阅读说明：本技术 显示面板、数据处理装置 (Display panel and data processing device ) 是由 山崎舜平 尾坂晴惠 于 2020-02-12 设计创作，主要内容包括：提供一种显示面板。该显示面板包括显示区域、绝缘膜以及密封膜,显示区域包括像素,像素包括显示元件及颜色转换层。另外,绝缘膜覆盖显示元件,密封膜在与绝缘膜间具有夹持颜色转换层的区域,密封膜在显示区域的外侧具有与绝缘膜接触的区域。显示元件包括第一层、第二层、第三层及第四层。第一层包含第一材料及第二材料,第二层包含第三材料,第三层包含发光性材料及第四材料,第四层包含第五材料及第六材料,第一材料具有-5.7eV以上且-5.4eV以下的HOMO能级,第二材料具有受体性,第三材料具有比第一材料低的HOMO能级,第四材料具有比第三材料低的HOMO能级,第五材料具有-6.0eV以上的HOMO能级,第六材料为碱金属或碱土金属的有机配合物。(A display panel is provided. The display panel includes a display region, an insulating film, and a sealing film, the display region includes pixels, and the pixels include display elements and color conversion layers. The insulating film covers the display element, has a region sandwiching the color conversion layer between the sealing film and the insulating film, and has a region in contact with the insulating film outside the display region. The display element includes a first layer, a second layer, a third layer, and a fourth layer. The light-emitting device includes a first layer including a first material and a second material, a second layer including a third material, a third layer including a light-emitting material and a fourth material, and a fourth layer including a fifth material and a sixth material, wherein the first material has a HOMO level of-5.7 eV or more and-5.4 eV or less, the second material has acceptor properties, the third material has a HOMO level lower than that of the first material, the fourth material has a HOMO level lower than that of the third material, the fifth material has a HOMO level of-6.0 eV or more, and the sixth material is an organic complex of an alkali metal or an alkaline earth metal.)

1. A display panel, comprising:

a display area;

an insulating film; and

a sealing film is arranged on the outer side of the sealing film,

wherein the display area includes first pixels,

the first pixel comprises a first display element and a first color conversion layer,

the first color conversion layer has a region overlapping the first display element,

the first color conversion layer converts the first light into a second light,

the second light has a spectrum containing light having a longer wavelength than the first light in a higher proportion than the first light,

the insulating film covers the first display element,

the sealing film has a region sandwiching the first color conversion layer between the sealing film and the insulating film,

the sealing film has a region in contact with the insulating film on an outer side of the display region,

the first display element emits the first light,

the first display element includes a first layer, a second layer, a third layer, and a fourth layer,

the third layer is sandwiched between the second layer and the fourth layer,

the second layer is sandwiched between the first layer and the third layer,

the first layer comprises a first material and a second material,

the second layer comprises a third material that is,

the third layer contains a light-emitting material and a fourth material,

the fourth layer comprises a fifth material and a sixth material,

The first material has a HOMO level of-5.7 eV or more and-5.4 eV or less,

the second material has a receptor character,

the third material has a lower HOMO level than the first material,

the fourth material has a lower HOMO level than the third material,

the fifth material has a HOMO level of-6.0 eV or more,

and, the sixth material is an organic complex of an alkali metal or an organic complex of an alkaline earth metal.

2. The display panel according to claim 1, wherein,

wherein the electric field strength [ V/cm ] of the fifth material]Has an electron mobility of 1X 10 at a square root of 600^-7cm²5 × 10 at a rate of more than Vs^-5cm²Vs or less.

3. The display panel according to claim 1 or 2,

wherein the first color conversion layer comprises quantum dots and a light transmissive resin.

4. The display panel according to any one of claims 1 to 3,

wherein the first light is blue light.

5. The display panel according to any one of claims 1 to 4,

wherein the first display element comprises a first light-emitting unit, a second light-emitting unit and an intermediate layer,

the intermediate layer has a region sandwiched between the first light emitting unit and the second light emitting unit,

the intermediate layer supplies holes to one of the first light-emitting unit and the second light-emitting unit and electrons to the other,

The first light-emitting unit emits blue light,

and the second light emitting unit emits blue light.

6. The display panel according to any one of claims 1 to 5, further comprising a functional layer,

wherein the functional layer has a region overlapping the display element,

the functional layer comprises a first pixel circuit,

the functional layer has an opening portion formed therein,

the first pixel includes the first pixel circuit,

and the first pixel circuit is electrically connected to the first display element in the opening portion.

7. The display panel according to any one of claims 1 to 6,

wherein the display area comprises second pixels and third pixels,

the first pixel displays a red color,

the second pixel displays a green color,

the second pixel comprises a second color conversion layer,

the third pixel displays a blue color,

the first color conversion layer converts blue light to red,

and the second color conversion layer converts the blue light to green light.

8. A data processing apparatus comprising:

one or more of a keyboard, a hardware button, a pointing device, a touch sensor, an illuminance sensor, a camera device, a voice input device, a sight line input device, and a gesture detection device; and

The display panel of any one of claims 1 to 7.

Technical Field

One embodiment of the present invention relates to a display panel, a data processing device, or a semiconductor device.

Note that one embodiment of the present invention is not limited to the above-described technical field. The technical field of one embodiment of the invention disclosed in this specification and the like relates to an object, a method, or a manufacturing method. In addition, one embodiment of the present invention relates to a process (process), a machine (machine), a product (manufacture), or a composition (machine). Thus, more specifically, examples of the technical field of one embodiment of the present invention disclosed in the present specification include a semiconductor device, a display device, a light-emitting device, a power storage device, a memory device, a method for driving these devices, and a method for manufacturing these devices.

Background

In recent years, light-emitting devices (organic EL elements) using organic compounds and utilizing Electroluminescence (EL) have been actively put into practical use. In the basic structure of these light-emitting devices, an organic compound layer (EL layer) containing a light-emitting substance is sandwiched between a pair of electrodes. By applying a voltage to the element, carriers are injected, and light emission from the light-emitting substance can be obtained by utilizing the recombination energy of the carriers.

Since such a light emitting device is a self-light emitting type light emitting device, there are advantages in higher visibility, no need for a backlight, and the like when used for a pixel of a display device compared with a liquid crystal. Therefore, the light emitting device is suitable for a flat panel display element. In addition, a display using such a light emitting device can be manufactured to be thin and light, which is also a great advantage. Further, a very high speed response is one of the characteristics of the light emitting device.

Further, since the light emitting layer of such a light emitting device can be continuously formed in two dimensions, surface emission can be obtained. This is a feature that is difficult to obtain in a point light source represented by an incandescent lamp or an LED or a line light source represented by a fluorescent lamp, and therefore, the light emitting device has a high utility value as a surface light source applicable to illumination or the like.

As described above, although displays or lighting devices using light-emitting devices are applied to various electronic devices, research and development are actively conducted to obtain light-emitting devices having higher efficiency and longer life.

Patent document 1 discloses a structure in which a hole-transporting material having a HOMO (Highest Occupied Molecular Orbital) level between the HOMO level of the first hole injection layer and the HOMO level of the host material is provided between the first hole transport layer in contact with the hole injection layer and the light-emitting layer.

The characteristics of the light emitting device are remarkably improved, but it is not enough to respond to high demands for various characteristics such as efficiency and durability.

[ Prior Art document ]

[ patent document ]

[ patent document 1] International publication No. 2011/065136 pamphlet

Disclosure of Invention

Technical problem to be solved by the invention

An object of one embodiment of the present invention is to provide a novel display panel with high convenience and reliability. Another object of one embodiment of the present invention is to provide a novel data processing device with high convenience and reliability. Another object of one embodiment of the present invention is to provide a novel display panel, a novel data processing device, or a novel semiconductor device.

Note that the description of these objects does not hinder the existence of other objects. It is not necessary for one embodiment of the invention to achieve all of the above objectives. Objects other than those mentioned above will become apparent from the description of the specification, drawings, claims, and the like, and objects other than those mentioned above can be extracted from the description.

Means for solving the problems

(1) One embodiment of the present invention is a display panel including a display region, an insulating film, and a sealing film.

The display area comprises a first pixel, and the first pixel comprises a first display element and a first color conversion layer.

The first color conversion layer has a region overlapping with the first display element, and converts the first light into second light having a spectrum containing light having a longer wavelength than the first light at a higher ratio than the first light.

The insulating film 573 covers the first display element, the sealing film has a region sandwiching the first color conversion layer between the sealing film and the insulating film, and the sealing film has a region in contact with the insulating film outside the display region.

The first display element emits first light, and the first display element includes a first layer, a second layer, a third layer, and a fourth layer.

The third layer is sandwiched between the second layer and the fourth layer, and the second layer is sandwiched between the first layer and the third layer.

The first layer includes a first material and a second material, the second layer includes a third material, and the third layer includes a light-emitting material and a fourth material. In addition, the fourth layer includes a fifth material and a sixth material.

The first material has a HOMO level of-5.7 eV or more and-5.4 eV or less, and the second material has acceptor properties.

The third material has a lower HOMO level than the first material and the fourth material has a lower HOMO level than the third material.

The fifth material has a HOMO level of-6.0 eV or more, and the sixth material is an organic complex of an alkali metal or an organic complex of an alkaline earth metal.

(2) One embodiment of the present invention is an electric field strength [ V/cm ] of the fifth material]Has an electron mobility of 1X 10 at a square root of 600^-7cm²5 × 10 at a rate of more than Vs^-5cm²The display panel of less than Vs.

This can suppress the deterioration of display quality after the start of use. In addition, a decrease in color reproducibility occurring after the start of use can be suppressed. In addition, a decrease in luminance occurring after the start of use can be suppressed. In addition, the entry of impurities from the outside, which cause a decrease in characteristics, can be suppressed. In addition, a vivid color can be displayed. In addition, high productivity can be achieved. As a result, a novel display panel excellent in convenience and reliability can be provided.

(3) One embodiment of the present invention is the display panel described above, wherein the first color conversion layer includes quantum dots and a light-transmitting resin.

Thereby, the spectral width of the second light h2 can be narrowed. In addition, light with a narrow half width of the spectrum can be used. In addition, a color with high chroma can be displayed. In addition, aggregation of quantum dots can be prevented. As a result, a novel display panel excellent in convenience and reliability can be provided.

(4) One embodiment of the present invention is the display panel described above, wherein the first light is blue light.

Thereby, blue light can be converted into green light. In addition, blue light may be converted to red light. In addition, the blue light may be converted into light having a longer wavelength than the blue light. As a result, a novel display panel excellent in convenience and reliability can be provided.

(5) One embodiment of the present invention is the display panel in which the first display element includes a first light-emitting unit, a second light-emitting unit, and an intermediate layer.

The intermediate layer includes a region sandwiched between the first light emitting unit and the second light emitting unit, and has a function of supplying holes to one of the first light emitting unit and the second light emitting unit and supplying electrons to the other.

The first light emitting unit and the second light emitting unit both emit blue light.

This can improve the light emission efficiency. Further, power consumption can be reduced. As a result, a novel display panel excellent in convenience and reliability can be provided.

(6) One embodiment of the present invention is the display panel described above including the functional layer 520.

The functional layer has a region overlapping with the display element, and includes a first pixel circuit and has an opening portion.

The first pixel includes a first pixel circuit electrically connected to the first display element in the opening portion.

Thereby, the operation of the display element can be controlled. As a result, a novel display panel excellent in convenience and reliability can be provided.

(7) One embodiment of the present invention is a display panel in which the display region 231 includes second pixels and third pixels.

The first pixel displays red.

The second pixel displays green, and the second pixel includes a second color conversion layer.

The third pixel displays blue.

The first color conversion layer converts blue light to red and the second color conversion layer converts blue light to green light.

Thereby, a full color image can be displayed. In addition, the degree of decrease in luminance of the display element occurring after the start of use can be made substantially the same in a plurality of pixels displaying different colors from each other. In addition, the degree of deterioration of the display element due to use can be made substantially the same. In addition, a decrease in color reproducibility occurring after the start of use can be suppressed. As a result, a novel display panel excellent in convenience and reliability can be provided.

(8) One embodiment of the present invention is a data processing device including one or more of a keyboard, a hardware button, a pointing device, a touch sensor, an illuminance sensor, an imaging device, a voice input device, a line-of-sight input device, and a posture detection device, and the display panel.

In the drawings of the present specification, the components are classified according to their functions and are shown as block diagrams of independent blocks, but in practice, it is difficult to completely divide the components according to their functions, and one component has a plurality of functions.

In this specification, the names of the source and the drain of the transistor are interchanged according to the polarity of the transistor and the level of the potential applied to each terminal. In general, in an n-channel transistor, a terminal to which a low potential is applied is referred to as a source, and a terminal to which a high potential is applied is referred to as a drain. In the p-channel transistor, a terminal to which a low potential is applied is referred to as a drain, and a terminal to which a high potential is applied is referred to as a source. In this specification, although the connection relationship of the transistors is described assuming that the source and the drain are fixed in some cases for convenience, in reality, the names of the source and the drain are interchanged with each other in accordance with the above potential relationship.

In this specification, a source of a transistor refers to a source region serving as part of a semiconductor film of an active layer or a source electrode connected to the semiconductor film. Similarly, the drain of the transistor is a drain region of a part of the semiconductor film or a drain electrode connected to the semiconductor film. The gate refers to a gate electrode.

In this specification, a state in which transistors are connected in series refers to, for example, a state in which only one of a source and a drain of a first transistor is connected to only one of a source and a drain of a second transistor. In addition, the state in which the transistors are connected in parallel refers to a state in which one of a source and a drain of the first transistor is connected to one of a source and a drain of the second transistor and the other of the source and the drain of the first transistor is connected to the other of the source and the drain of the second transistor.

In this specification, connection means electrical connection, and corresponds to a state in which current, voltage, or potential can be supplied or transmitted. Therefore, the connection state does not necessarily have to be a state of direct connection, but includes, in its category, a state of indirect connection through a circuit element such as a wiring, a resistor, a diode, or a transistor, which can supply or transmit a current, a voltage, or a potential.

Even when independent components are connected to each other in a circuit diagram in this specification, in reality, one conductive film also has functions of a plurality of components, for example, a part of a wiring is used as an electrode. The scope of connection in this specification includes a case where one conductive film also has a function of a plurality of components.

In addition, in this specification, one of a first electrode and a second electrode of a transistor is a source electrode, and the other is a drain electrode.

Effects of the invention

According to one embodiment of the present invention, a novel display panel with high convenience and reliability can be provided. In addition, a novel data processing apparatus with good convenience and reliability can be provided. In addition, a novel display panel, a novel data processing device, or a novel semiconductor device can be provided.

Note that the description of these effects does not hinder the existence of other effects. One embodiment of the present invention does not necessarily have all the effects described above. The effects other than the above can be naturally understood and derived from the description of the specification, the drawings, the claims, and the like.

Brief description of the drawings

Fig. 1A to 1C are views illustrating a structure of a display panel according to an embodiment.

Fig. 2A and 2B are diagrams illustrating a structure of a display panel according to an embodiment.

Fig. 3A and 3B are views illustrating a structure of a display panel according to an embodiment.

Fig. 4A and 4B are views illustrating a structure of a display panel according to an embodiment.

Fig. 5A and 5B are diagrams illustrating a structure of a display element of a display panel according to an embodiment.

Fig. 6 is a block diagram illustrating a structure of a display panel according to an embodiment.

Fig. 7A to 7D are diagrams illustrating a structure of a display device according to an embodiment.

Fig. 8 is a block diagram illustrating the structure of an input-output device according to an embodiment.

Fig. 9A to 9C are a block diagram and a perspective view illustrating the structure of a data processing apparatus according to an embodiment.

Fig. 10A and 10B are flowcharts illustrating a driving method of a data processing apparatus according to an embodiment.

Fig. 11A to 11C are diagrams illustrating a driving method of a data processing apparatus according to an embodiment.

Fig. 12A to 12E are diagrams illustrating the structure of a data processing apparatus according to an embodiment.

Fig. 13A to 13E are diagrams illustrating the structure of a data processing apparatus according to an embodiment.

Fig. 14A and 14B are diagrams illustrating the structure of a data processing apparatus according to an embodiment.

Fig. 15 is a diagram illustrating an electronic device.

Modes for carrying out the invention

A display panel according to one embodiment of the present invention includes a display region, an insulating film, and a sealing film. The display region includes a pixel including a display element and a color conversion layer having a region overlapping the display element, the color conversion layer converting a first light into a second light. The second light has a spectrum containing light with a longer wavelength than the first light h1 in a higher proportion than the first light h 1. The insulating film covers the display element, the sealing film has a region sandwiching the color conversion layer between the sealing film and the insulating film, and the sealing film has a region contacting the insulating film outside the display region. The display element emits a first light, and includes a first layer, a second layer, a third layer, and a fourth layer, the third layer being sandwiched between the first layer and the fourth layer, and the second layer being sandwiched between the first layer and the third layer. The first layer includes a first material and a second material, the second layer includes a third material, the third layer includes a light-emitting material and a fourth material, the fourth layer includes a fifth material and a sixth material, the first material has a HOMO level of-5.7 eV or more and-5.4 eV or less, the second material has acceptor, the third material has a HOMO level lower than that of the first material, the fourth material HOST has a HOMO level lower than that of the third material, and the sixth material is an organic complex of an alkali metal or an organic complex of an alkaline earth metal.

This can suppress the deterioration of display quality after the start of use. In addition, a decrease in color reproducibility occurring after the start of use can be suppressed. In addition, a decrease in luminance occurring after the start of use can be suppressed. In addition, the entry of impurities from the outside, which cause a decrease in characteristics, can be suppressed. In addition, a vivid color can be displayed. In addition, high productivity can be achieved. As a result, a novel display panel excellent in convenience and reliability can be provided.

The embodiments are described in detail with reference to the drawings. Note that the present invention is not limited to the following description, and those skilled in the art can easily understand that the mode and details thereof can be changed into various forms without departing from the spirit and scope of the present invention. Therefore, the present invention should not be construed as being limited to the description of the embodiments shown below. Note that in the following description of the present invention, the same reference numerals are used in common in different drawings to denote the same portions or portions having the same functions, and repetitive description thereof will be omitted.

(embodiment mode 1)

In this embodiment, a structure of a display panel according to an embodiment of the present invention will be described with reference to fig. 1 to 5.

Fig. 1 is a diagram illustrating a structure of a display panel according to an embodiment of the present invention. Fig. 1A is a plan view of a display panel according to an embodiment of the present invention, and fig. 1B and 1C are views illustrating a part of fig. 1A.

Fig. 2 is a diagram illustrating a structure of a display panel according to an embodiment of the present invention. Fig. 2A is a cross-sectional view taken along the cut-off lines X1-X2, X3-X4, and X9-X10 in fig. 1A, and fig. 2B is a circuit diagram illustrating the structure of the pixel circuit 530(i, j).

Fig. 3 is a diagram illustrating a structure of a display panel according to an embodiment of the present invention. Fig. 3A is a cross-sectional view of the pixel 702(i, j) of fig. 1A, and fig. 3B is a cross-sectional view illustrating a portion of fig. 3A.

Fig. 4 is a diagram illustrating a structure of a display panel according to an embodiment of the present invention. Fig. 4A is a sectional view taken along the cut lines X1-X2 and X3-X4 in fig. 1A, and fig. 4B is a sectional view illustrating a portion of fig. 4A.

Fig. 5 is a diagram illustrating a structure of a display panel according to an embodiment of the present invention. Fig. 5A and 5B are cross-sectional views showing the structure of the element 550(i, j).

Note that in this specification, a variable taking a value of an integer of 1 or more is sometimes used for a symbol. For example, (p) including a variable p having a value of an integer of 1 or more may be used to designate a part of a symbol of at most any one of p constituent elements. For example, (m, n) including a variable m and a variable n each having a value of an integer of 1 or more may be used to designate a part of a symbol of at most any one of m × n components.

< structural example 1 of display Panel 700 >

The display panel described in this embodiment includes the display region 231, the insulating film 573, and the sealing film 574 (see fig. 1A and 2A).

Example 1 of Structure of display region 231

The display area 231 includes a pixel 702(i, j).

Example 1 of Structure of Pixel 702(i, j)

The pixel 702(i, j) includes a display element 550(i, j) and a color conversion layer cc (j) (see fig. 2A and 3A).

Structure example 1 of color conversion layer CC (j)

The color conversion layer cc (j) has a region overlapping with the display element 550(i, j) (see fig. 2A and 3A).

The color conversion layer cc (j) has the function of converting the first light h1 into the second light h 2. The second light h2 has a spectrum containing light with a longer wavelength than the first light h1 in a higher proportion than the first light h 1.

(structural example 1 of insulating film 573)

The insulating film 573 covers the display elements 550(i, j).

Structure example 1 of sealing film 574

The sealing film 574 has a region where the color conversion layer cc (j) is sandwiched between the sealing film 573 (see fig. 3A).

The sealing film 574 has a region in contact with the insulating film 573 outside the display region 231 (see fig. 4A). For example, a film with low moisture permeability may be used for the sealing film 574 and the insulating film 573. Specifically, silicon nitride can be used for the sealing film 574 and the insulating film 573. In addition, a region where the sealing film 574 contacts the insulating film 573 may be formed outside the display region 231.

Example 1 of Structure of display 550(i, j)

The display element 550(i, j) emits the first light h1 (refer to fig. 5A). For example, the electrode 551(i, j), the electrode 552, and the layer 553(j) containing a light-emitting material can be used for the display element 550(i, j).

In addition, the first display element 550(i, j) includes the layer 111, the layer 112, the layer 113, and the layer 114. Note that the layer 111, the layer 112, the layer 113, and the layer 114 can be formed by a known film formation method. For example, the film can be formed by a vacuum evaporation method or a printing method. Specifically, the film can be formed by a resistance heating vacuum evaporation method, an ink jet method, or the like.

Layer 113 is sandwiched between layer 112 and layer 114. Layer 112 is sandwiched between layer 111 and layer 113.

Layer 111 includes material HT1 and material AM.

Layer 112 comprises material HT 2.

The layer 113 includes a light-emitting material EM and a material HOST.

Layer 114 includes material ET and material OMC.

[ Material HT1]

The material HT1 has a HOMO level above-5.7 eV and below-5.4 eV. For example, a hole-transporting material having a hole-transporting property is preferable, and a material having any one of a carbazole skeleton, a dibenzofuran skeleton, a dibenzothiophene skeleton, and an anthracene skeleton can be used for the material HT. In addition, an aromatic amine having a substituent containing a dibenzofuran ring or a dibenzothiophene ring, an aromatic monoamine having a naphthalene ring, or an aromatic monoamine in which 9-fluorenyl group is bonded to nitrogen of the amine through arylene group may be used for the material HT. This facilitates hole injection into the layer 112.

Specific examples of compounds that can be used for the material HT1 include N- (4-biphenyl) -6, N-diphenylbenzo [ b ] naphtho [1, 2-d ] furan-8-amine (abbreviated as BnfABP), N-bis (4-biphenyl) -6-phenylbenzo [ b ] naphtho [1, 2-d ] furan-8-amine (abbreviated as BBABnf), 4 '-bis (6-phenylbenzo [ b ] naphtho [1, 2-d ] furan-8-yl-4' -phenyltriphenylamine (abbreviated as BnfBB1BP), N-bis (4-biphenyl) benzo [ b ] naphtho [1, 2-d ] furan-6-amine (abbreviated as BBABnf (6)), N-bis (4-biphenyl) benzo [ b ] naphtho [1, 2-d ] furan-8-amine (abbreviated as BBABnf (8)), N-bis (4-biphenyl) benzo [ b ] naphtho [2, 3-d ] furan-4-amine (abbreviated as BBABnf (II) (4)), N-bis [4- (dibenzofuran-4-yl) phenyl ] -4-amino-p-terphenyl (abbreviated as DBfBB1TP), N- [4- (dibenzothiophene-4-yl) phenyl ] -N-phenyl-4-benzidine (abbreviated as ThBA1BP), 4- (2-naphthyl) -4 ', 4' -diphenyltriphenylamine (abbreviated as BBA beta NB), 4- [4- (2-naphthyl) phenyl ] -4 ', 4' -diphenyltriphenylamine (abbreviated as BBA beta NBi), 4, 4 '-diphenyl-4' - (6; 1 '-binaphthyl-2-yl) triphenylamine (abbreviated as BBA. alpha. Nbeta. NB), 4' -diphenyl-4 '- (7; 1' -binaphthyl-2-yl) triphenylamine (abbreviated as BBA. alpha. Nbeta. NB-03), 4 '-diphenyl-4' - (7-phenyl) naphthyl-2-yl triphenylamine (abbreviated as BBAP. beta. NB-03), 4 '-diphenyl-4' - (6; 2 '-binaphthyl-2-yl) triphenylamine (abbreviated as BBA (. beta. N2) B), 4' -diphenyl-4 '- (7; 2' -binaphthyl-2-yl) triphenylamine (abbreviated as BBA (. beta. N2) B-03), 4, 4 '-diphenyl-4' - (4; 2 '-binaphthyl-1-yl) triphenylamine (abbreviated as BBA. beta. Nalpha NB), 4' -diphenyl-4 '- (5; 2' -binaphthyl-1-yl) triphenylamine (abbreviated as BBA. beta. Nalpha NB-02), 4- (4-biphenyl) -4 '- (2-naphthyl) -4' -phenyltriphenylamine (abbreviated as TPBiA. beta. NB), 4- (3-biphenyl) -4 '- [4- (2-naphthyl) phenyl ] -4' -phenyltriphenylamine (abbreviated as mTPBiA. beta. NBi), 4- (4-biphenyl) -4 '- [4- (2-naphthyl) phenyl ] -4' -phenyltriphenylamine (abbreviated as TPBiA. beta. NBi), 4-phenyl-4 ' - (1-naphthyl) triphenylamine (abbreviation: α NBA1BP), 4 ' -bis (1-naphthyl) triphenylamine (abbreviation: α NBB1BP), 4 ' -diphenyl-4 "- [4 ' - (carbazol-9-yl) biphenyl-4-yl ] triphenylamine (abbreviation: YGTBi1BP), 4 ' - [4- (3-phenyl-9H-carbazol-9-yl) phenyl ] tris (1, 1 ' -biphenyl-4-yl) amine (abbreviation: YGTBi1BP-02), 4-diphenyl-4 ' - (2-naphthyl) -4" - {9- (4-biphenyl) carbazole) } triphenylamine (abbreviation: YGTBi β NB), N- [4- (9-phenyl-9H-carbazol-3-yl) phenyl ] -N- [4- (1-naphthyl) phenyl ] -9,9' -spirobi [ 9H-fluorene ] -2-amine (abbreviation: PCBNBSF), N-bis (4-biphenyl) -9,9' -spirobis [ 9H-fluorene ] -2-amine (abbreviation: BBASF), N-bis ([1, 1 '-biphenyl ] -4-yl) -9,9' -spirobi [ 9H-fluorene ] -4-amine (abbreviation: BBASF (4)), N- (1, 1 '-biphenyl-2-yl) -N- (9, 9-dimethyl-9H-fluoren-2-yl) -9,9' -spirobi (9H-fluoren) -4-amine (abbreviation: oFBiSF), N- (4-biphenyl) -N- (dibenzofuran-4-yl) -9, 9-dimethyl-9H-fluoren-2-amine (abbreviation: FrBiF), N- [4- (1-naphthyl) phenyl ] -N- [3- (6-phenyldibenzofuran-4-yl) phenyl ] -1-naphthylamine (abbreviation: mPDBfBNBN), 4-phenyl-4' - (9-phenylfluoren-9-yl) triphenylamine (abbreviation: BPAFLP), 4-phenyl-3' - (9-phenylfluoren-9-yl) triphenylamine (abbreviation: mBPAFLP), 4-phenyl-4' - [4- (9-phenylfluoren-9-yl) phenyl ] triphenylamine (abbreviation: BPAFLBi), 4-phenyl-4' - (9-phenyl-9H-carbazol-3-yl) triphenylamine (abbreviation: PCBA1BP), 4' -diphenyl-4 "- (9-phenyl-9H-carbazol-3-yl) triphenylamine (abbreviation: PCBBi1BP), 4- (1-naphthyl) -4' - (9-phenyl-9H-carbazol-3-yl) triphenylamine (abbreviation: PCBANB), 4' -bis (1-naphthyl) -4 "- (9-phenyl-9H-carbazol-3-yl) triphenylamine (abbreviation: PCBNBB), N-phenyl-N- [4- (9-phenyl-9H-carbazol-3-yl) phenyl ] spiro-9, 9' -bifluorene-2-amine (abbreviation: PCBASF), N- (1, 1' -biphenyl-4-yl) -9, 9-dimethyl-N- [4- (9-phenyl-9H-carbazol-3-yl) phenyl ] -9H-fluoren-2-amine (abbreviation: PCBBiF), and the like.

[ Material AM ]

The material AM has acceptor properties. For example, an organic compound having an electron-withdrawing group (particularly, a halogen group such as a fluorine group or a cyano group) or the like may be used for the material AM, and a substance exhibiting electron-accepting property to the material HT1 may be appropriately selected. Examples of such organic compounds include 7,7,8, 8-tetracyano-2, 3,5, 6-tetrafluoroquinodimethane (abbreviated as F4-TCNQ), chloranil, 2,3,6,7,10, 11-hexacyan-1, 4,5,8,9, 12-hexaazatriphenylene (abbreviated as HAT-CN), 1,3,4,5,7, 8-hexafluorotetracyano (hexafluorotetracyano) -naphthoquinodimethane (abbreviated as F6-TCNNQ), and 2- (7-dicyanomethylene-1, 3,4,5, 6, 8,9, 10-octafluoro-7H-pyrene-2-ylidene) malononitrile. In particular, a compound in which an electron-withdrawing group is bonded to a fused aromatic ring having a plurality of hetero atoms, such as HAT-CN, is thermally stable, and is therefore preferable. Further, the [3] axis ene derivative including an electron-withdrawing group (particularly, a halogen group such as a fluoro group, a cyano group) is particularly preferable because it has a very high electron-accepting property, and specifically, there may be mentioned: α, α ', α ″ -1, 2, 3-cycloakatriylidene (ylidene) tris [ 4-cyano-2, 3,5, 6-tetrafluorophenylacetonitrile ], α ', α ″ -1, 2, 3-cyclopropyltriylidene tris [2, 6-dichloro-3, 5-difluoro-4- (trifluoromethyl) phenylacetonitrile ], α ', α ″ -1, 2, 3-cycloakyltris [2, 3,4,5, 6-pentafluorophenylacetonitrile ], and the like.

[ Material HT2]

HT2 has a lower HOMO energy level than the material HT 1. For example, a material appropriately selected from the above-described compounds shown as compounds that can be used for the material HT1 can be used for HT 2.

[ Material HOST ]

Material HOST has a lower HOMO energy level than material HT 2.

For example, various carrier transport materials such as an electron transport material, a hole transport material, and the above TADF material can be used for the material HOST. Note that as specific examples of the hole-transporting material, the electron-transporting material, and the like, one or more of the materials described in this specification or known materials can be used as appropriate.

[ luminescent Material EM ]

For example, a substance that emits fluorescence (fluorescent substance), a substance that emits phosphorescence (phosphorescent substance), a Thermally Activated Delayed Fluorescence (TADF) material that exhibits Thermally activated delayed fluorescence, other substances, and the like may be used for the light emitting material EM.

[ Material ET ]

The material ET has a HOMO level of-6.0 eV or more. Furthermore, the electric field strength [ V/cm ] of the material ET]Has an electron mobility of 1X 10 at a square root of 600^-7cm²5 × 10 at a rate of more than Vs^-5cm²Vs or less.

For example, a compound having an anthracene skeleton can be used for the material ET, and more preferably includes an anthracene skeleton and a heterocyclic skeleton. Further, as the heterocyclic skeleton, a nitrogen-containing five-membered ring skeleton is preferably used. As the nitrogen-containing five-membered ring skeleton, a nitrogen-containing five-membered ring skeleton containing two hetero atoms in the ring such as a pyrazole ring, an imidazole ring, an oxazole ring, and a thiazole ring is particularly preferable.

[ Material OMC ]

The material OMC is an organic complex of an alkali metal or an organic complex of an alkaline earth metal. For example, an organic complex of lithium is preferable, and 8-hydroxyquinoline-lithium (abbreviated as Liq) is particularly preferable.

Note that anions are sometimes generated in a layer located on the side closer to the layer 114 than the layer 113. In addition, after the start of use, the display element 550(i, j) may be deteriorated by an anion. In addition, the luminance of the display element 550(i, j) may decrease.

This can suppress the deterioration of the display quality after the start of use. In addition, a decrease in color reproducibility after the start of use can be suppressed. In addition, a decrease in luminance after the start of use can be suppressed. In addition, the entry of impurities from the outside, which cause a decrease in characteristics, can be suppressed. In addition, a vivid color can be displayed. In addition, high productivity can be achieved. As a result, a novel display panel excellent in convenience and reliability can be provided.

Example of Structure of color conversion layer CC (j) 2

The color conversion layer cc (j) includes quantum dots and a light-transmitting resin (see fig. 3A). For example, the quantum dots may be covered with a resin that has light transmittance and does not generate gas. In addition, a resin polymerized with the quantum dot may be used. In addition, a photosensitive polymer covering the quantum dot may be used. By using a photosensitive polymer, a fine color conversion layer cc (j) can be formed.

Thereby, the spectral width of the second light h2 can be narrowed. In addition, light with a narrow half width of the spectrum can be used. In addition, a color with high chroma can be emitted. In addition, aggregation of quantum dots can be prevented. As a result, a novel functional panel excellent in convenience and reliability can be provided.

Example 2 of Structure of display element 550(i, j)

The display element 550(i, j) emits blue light as the first light h 1.

Thereby, blue light can be converted into green light. In addition, blue light may be converted to red light. In addition, the blue light may be converted into light having a longer wavelength than the blue light. As a result, a novel display panel excellent in convenience and reliability can be provided.

Example 3 of Structure of display element 550(i, j)

The display element 550(i, j) includes a light-emitting cell 103a, a light-emitting cell 103B, and an intermediate layer 104 (see fig. 5B).

The intermediate layer 104 includes a region sandwiched between the light emitting cells 103a and 103 b. The intermediate layer 104 supplies holes to one of the light-emitting cells 103a and 103b and electrons to the other.

Both the light emitting unit 103a and the light emitting unit 103b emit blue light.

This can improve the light emission efficiency. In addition, power consumption can be reduced. As a result, a novel display panel excellent in convenience and reliability can be provided.

< structural example 2 of display Panel 700 >

The display panel described in this embodiment mode includes a functional layer 520.

Structural example 1 of functional layer 520

The functional layer 520 has a region overlapping with the display element 550(i, j).

The functional layer 520 includes a pixel circuit 530(i, j). In addition, the functional layer 520 includes an opening 591A.

Example 1 of Structure of Pixel 702(i, j)

The pixel 702(i, j) includes a pixel circuit 530(i, j).

Example 1 of Structure of Pixel Circuit 530(i, j)

The pixel circuit 530(i, j) is electrically connected to the first display element 550(i, j) in the opening portion 591A.

Thereby, the operation of the display element can be controlled. As a result, a novel display panel excellent in convenience and reliability can be provided.

Example 2 of Structure of display region 231

The display region 231 includes a pixel 702(i, j +1) and a pixel 702(i, j + 2).

The pixel 702(i, j) displays red.

The pixel 702(i, j +1) displays green. In addition, the pixel 702(i, j +1) includes a second color conversion layer CC (j + 1).

The pixel 702(i, j +2) displays blue.

The color conversion layer cc (j) converts the blue light into red.

The color conversion layer CC (j +1) converts the blue light into green light.

Thereby, a full color image can be displayed. In addition, the degree of decrease in luminance of the display element occurring after the start of use can be made substantially the same in a plurality of pixels displaying different colors from each other. In addition, the degree of deterioration of the display element due to use can be made substantially the same. In addition, a decrease in color reproducibility occurring after the start of use can be suppressed. As a result, a novel display panel excellent in convenience and reliability can be provided.

Example 2 of Structure of Pixel Circuit 530(i, j)

The pixel circuit 530(i, j) includes a transistor M, a node N1(i, j), a switch SW21, a capacitor C21, a capacitor C22, and a switch SW22 (see fig. 2B).

The transistor M includes a first electrode electrically connected to the display element 550(i, j) and a second electrode electrically connected to the conductive film ANO.

The node N1(i, j) is electrically connected to the gate electrode of the transistor M. The display element 550(i, j) performs display in accordance with the potential VN.

The switch SW21 includes a first terminal electrically connected to the node N1(i, j) and a second terminal electrically connected to the conductive film. For example, the signal line S1(j) may be used as a conductive film. The switch SW21 has a function of switching between a conductive state and a non-conductive state in accordance with a selection signal, for example.

The capacitor C21 includes a first electrode electrically connected to the node N1(i, j) and a second electrode electrically connected to the conductive film. For example, the conductive film ANO may be used as the conductive film.

The capacitor C22 includes a first electrode electrically connected to the node N1(i, j) and a second electrode electrically connected to a first terminal of the switch SW 22.

Switch SW22 includes a first terminal electrically connected to the conductive film. For example, the signal line S2(j) may be used as a conductive film. The switch SW22 has a function of switching between a conductive state and a non-conductive state in accordance with, for example, a second selection signal.

In addition, switch SW22 may be changed from a non-conductive state to a conductive state when switch SW21 is in a non-conductive state. Alternatively, switch SW22 may be changed from a conductive state to a non-conductive state when switch SW21 is in the non-conductive state.

Thus, the potential of the node N1(i, j) can be controlled using the switch SW21 and the switch SW 22. Alternatively, the potential of the node N1(i, j) may be controlled using the switch SW21, and the potential of the node N1(i, j) may be changed using the switch SW 22. Alternatively, a varying potential may be supplied to the display element 550(i, j). Further, display can be performed according to the changed potential. Alternatively, the display of the display element 550(i, j) may be changed. Alternatively, the operation of the display element 550(i, j) may be emphasized. Alternatively, the response speed of the display element 550(i, j) may be increased. As a result, a novel display panel with excellent convenience and reliability can be provided.

Example 3 of Structure of Pixel Circuit 530(i, j)

For example, a bottom gate transistor, a top gate transistor, or the like can be used for the pixel circuit 530(i, j). In particular, a transistor may be used as a switch.

Example of transistor Structure

The transistor includes a semiconductor film 508, a conductive film 504, a conductive film 512A, and a conductive film 512B (see fig. 3B).

The semiconductor film 508 includes a region 508A electrically connected to the conductive film 512A and a region 508B electrically connected to the conductive film 512B. Semiconductor film 508 includes region 508C between region 508A and region 508B.

The conductive film 504 has a region overlapping with the region 508C, and the conductive film 504 functions as a gate electrode.

The insulating film 506 has a region sandwiched between the semiconductor film 508 and the conductive film 504. The insulating film 506 has a function as a gate insulating film.

The conductive film 512A has one of a source electrode function and a drain electrode function, and the conductive film 512B has the other of the source electrode function and the drain electrode function.

In addition, the conductive film 524 can be used for a transistor. The conductive film 524 has a region where the semiconductor film 508 is interposed between the conductive film 504 and the conductive film. The conductive film 524 functions as a second gate electrode.

In the step of forming a semiconductor film for a transistor of a pixel circuit, a semiconductor film for a transistor of a driver circuit can be formed.

Example 1 of Structure of semiconductor film 508

For example, a semiconductor containing a group 14 element can be used for the semiconductor film 508. Specifically, a semiconductor containing silicon can be used for the semiconductor film 508.

[ hydrogenated amorphous silicon ]

For example, hydrogenated amorphous silicon can be used for the semiconductor film 508. Alternatively, microcrystalline silicon or the like can be used for the semiconductor film 508. Thus, for example, a display panel with less display unevenness than a display panel using polycrystalline silicon for the semiconductor film 508 can be provided. Alternatively, the display panel can be easily increased in size.

[ polysilicon ]

For example, polysilicon can be used for semiconductor film 508. Thus, for example, higher field-effect mobility can be achieved than in a transistor in which hydrogenated amorphous silicon is used for the semiconductor film 508. Alternatively, for example, higher driving capability can be achieved than a transistor using hydrogenated amorphous silicon for the semiconductor film 508. Alternatively, for example, a higher pixel opening ratio than a transistor using hydrogenated amorphous silicon for the semiconductor film 508 can be achieved.

Alternatively, for example, higher reliability can be achieved than a transistor using hydrogenated amorphous silicon for the semiconductor film 508.

Alternatively, for example, a transistor can be manufactured at a lower temperature than a transistor using single crystal silicon.

Alternatively, a semiconductor film for a transistor of a driver circuit and a semiconductor film for a transistor of a pixel circuit can be formed in the same step. Alternatively, the driver circuit may be formed over the same substrate as the substrate over which the pixel circuit is formed. Alternatively, the number of members constituting the electronic apparatus can be reduced.

[ silicon Single Crystal ]

For example, single crystal silicon can be used for semiconductor film 508. Thus, for example, higher definition can be achieved than in a display panel in which hydrogenated amorphous silicon is used for the semiconductor film 508. Alternatively, for example, a display panel with less display unevenness compared to a display panel using polycrystalline silicon for the semiconductor film 508 can be provided. Alternatively, for example, smart glasses or a head-mounted display may be provided.

Example 2 of Structure of semiconductor film 508

For example, a metal oxide can be used for the semiconductor film 508. Thus, the time for which the pixel circuit can hold an image signal can be extended as compared with a pixel circuit using a transistor in which amorphous silicon is used for a semiconductor film. Specifically, it is possible to suppress the occurrence of flicker and supply the selection signal at a frequency lower than 30Hz, preferably lower than 1Hz, more preferably lower than 1 time/minute. As a result, fatigue of the user of the data processing apparatus can be reduced. In addition, power consumption for driving can be reduced.

For example, a transistor using an oxide semiconductor can be used. Specifically, an oxide semiconductor containing indium or an oxide semiconductor containing indium, gallium, and zinc can be used for the semiconductor film.

For example, a transistor having a smaller leakage current in an off state than a transistor using amorphous silicon for a semiconductor film can be used. Specifically, a transistor in which an oxide semiconductor is used for a semiconductor film can be used as a switch or the like. Thus, the potential of the floating node can be held for a long time as compared with a circuit using a transistor using amorphous silicon for a switch.

For example, a film with a thickness of 25nm containing indium, gallium, and zinc can be used as the semiconductor film 508.

For example, a conductive film in which a film containing tantalum and nitrogen and having a thickness of 10nm and a film containing copper and having a thickness of 300nm are stacked can be used as the conductive film 504. Further, the film containing copper includes a region where the film containing tantalum and nitrogen is sandwiched between it and the insulating film 506.

For example, a stacked film of a film containing silicon and nitrogen and having a thickness of 400nm and a film containing silicon, oxygen, and nitrogen and having a thickness of 200nm may be used for the insulating film 506. The film containing silicon and nitrogen includes a region where the film containing silicon, oxygen, and nitrogen is interposed between the film and the semiconductor film 508.

For example, a conductive film in which a film with a thickness of 50nm containing tungsten, a film with a thickness of 400nm containing aluminum, and a film with a thickness of 100nm containing titanium are sequentially stacked can be used as the conductive film 512A or the conductive film 512B. Further, the film containing tungsten includes a region in contact with the semiconductor film 508.

This can suppress flicker. In addition, power consumption can be reduced. In addition, a moving image with fast motion can be smoothly displayed. In addition, a photograph or the like can be displayed with rich gray scales. As a result, a novel display panel with excellent convenience and reliability can be provided.

Here, for example, a production line of a bottom-gate transistor including amorphous silicon as a semiconductor can be easily modified to a production line of a bottom-gate transistor including an oxide semiconductor as a semiconductor. In addition, for example, a production line of a top gate type transistor including polycrystalline silicon as a semiconductor can be easily modified to a production line of a top gate type transistor including an oxide semiconductor as a semiconductor. Either of the above modifications can effectively utilize the existing production line.

Example 3 of Structure of semiconductor film 508

For example, a compound semiconductor can be used for a semiconductor of a transistor. Specifically, a semiconductor containing gallium arsenide may be used.

For example, an organic semiconductor can be used for a semiconductor of a transistor. Specifically, an organic semiconductor containing polyacene or graphene can be used for the semiconductor film.

Examples of capacitor structures

The capacitor includes one conductive film, the other conductive film, and an insulating film. The insulating film includes a region sandwiched between one conductive film and the other conductive film.

For example, the conductive film 504, the conductive film 512A, and the insulating film 506 can be used for a capacitor.

Example 2 of Structure of functional layer 520

The functional layer 520 includes an insulating film 521, an insulating film 518, an insulating film 516, an insulating film 506, an insulating film 501C, and the like (see fig. 3A).

The insulating film 521 includes a region sandwiched between the pixel circuit 530(i, j) and the display element 550(i, j).

The insulating film 518 includes a region sandwiched between the insulating film 521 and the insulating film 501C.

The insulating film 516 includes a region sandwiched between the insulating film 518 and the insulating film 501C.

The insulating film 506 includes a region sandwiched between the insulating film 516 and the insulating film 501C.

[ insulating film 521]

For example, an insulating inorganic material, an insulating organic material, or an insulating composite material including an inorganic material and an organic material may be used for the insulating film 521.

Specifically, an inorganic oxide film, an inorganic nitride film, an inorganic oxynitride film, or the like, or a stacked material in which a plurality of materials selected from these materials are stacked may be used for the insulating film 521.

For example, a silicon oxide film, a silicon nitride film, a silicon oxynitride film, an aluminum oxide film, or the like, or a film including a stacked material in which a plurality of materials selected from these materials are stacked can be used for the insulating film 521. The silicon nitride film is a dense film and has an excellent function of suppressing diffusion of impurities.

For example, polyester, polyolefin, polyamide, polyimide, polycarbonate, polysiloxane, acrylic resin, or the like, or a laminate or composite material of a plurality of resins selected from the above resins, or the like can be used for the insulating film 521. In addition, a material having photosensitivity may be used. Thus, for example, steps due to various structures overlapping with the insulating film 521 can be planarized by the insulating film 521.

Polyimide has better characteristics such as thermal stability, insulation property, toughness, low dielectric constant, low thermal expansion coefficient, and chemical resistance than other organic materials. Thus, polyimide is particularly preferably used for the insulating film 521 and the like.

For example, a film formed using a material having photosensitivity may be used for the insulating film 521. Specifically, a film formed using photosensitive polyimide, photosensitive acrylic resin, or the like can be used for the insulating film 521.

[ insulating film 518]

For example, a material that can be used for the insulating film 521 can be used for the insulating film 518.

For example, a material capable of suppressing diffusion of oxygen, hydrogen, water, an alkali metal, an alkaline earth metal, or the like can be used for the insulating film 518. Specifically, a nitride insulating film may be used for the insulating film 518. For example, silicon nitride, silicon oxynitride, aluminum nitride, aluminum oxynitride, or the like can be used for the insulating film 518. This can prevent impurities from diffusing into the semiconductor film of the transistor.

[ structural example 1 of insulating film 516 ]

For example, a material that can be used for the insulating film 521 can be used for the insulating film 516.

Specifically, a film whose manufacturing method is different from that of the insulating film 518 can be used for the insulating film 516.

[ insulating film 506]

For example, a material that can be used for the insulating film 521 can be used for the insulating film 506.

Specifically, a film including a silicon oxide film, a silicon oxynitride film, a silicon nitride oxide film, a silicon nitride film, an aluminum oxide film, a hafnium oxide film, an yttrium oxide film, a zirconium oxide film, a gallium oxide film, a tantalum oxide film, a magnesium oxide film, a lanthanum oxide film, a cerium oxide film, or a neodymium oxide film can be used for the insulating film 506.

[ insulating film 501D ]

The insulating film 501D includes a region sandwiched between the insulating film 501C and the insulating film 516.

For example, a material that can be used for the insulating film 506 can be used for the insulating film 501D.

[ insulating film 501C ]

For example, a material that can be used for the insulating film 521 can be used for the insulating film 501C. Specifically, a material containing silicon and oxygen can be used for the insulating film 501C. This can suppress diffusion of impurities into the pixel circuit, the display element, and the like.

Example of Structure of functional layer 520

The functional layer 520 includes a conductive film, a wiring, and a terminal. A material having conductivity can be used for a wiring, an electrode, a terminal, a conductive film, and the like.

Wiring, etc

For example, an inorganic conductive material, an organic conductive material, a metal, a conductive ceramic, or the like can be used for the wiring or the like.

Specifically, a metal element selected from aluminum, gold, platinum, silver, copper, chromium, tantalum, titanium, molybdenum, tungsten, nickel, iron, cobalt, palladium, or manganese, or the like can be used for the wiring or the like. Alternatively, an alloy containing the above metal element or the like may be used for wiring or the like. In particular, alloys of copper and manganese are suitable for microfabrication by wet etching.

Specifically, the wiring and the like may have a two-layer structure in which a titanium film is stacked over an aluminum film; a two-layer structure in which a titanium film is laminated on a titanium nitride film; a two-layer structure of a tungsten film is laminated on the titanium nitride film; a two-layer structure in which a tungsten film is laminated on a tantalum nitride film or a tungsten nitride film; a three-layer structure in which a titanium film, an aluminum film on the titanium film, and a titanium film thereon are laminated, and the like.

Specifically, conductive oxides such as indium oxide, indium tin oxide, indium zinc oxide, and gallium-added zinc oxide can be used for wiring and the like.

Specifically, a film containing graphene or graphite can be used for wiring or the like.

For example, a film containing graphene oxide may be formed, and then the film containing graphene may be formed by reducing the film containing graphene oxide. Examples of the reduction method include a method using heating and a method using a reducing agent.

For example, a film containing metal nanowires can be used for wiring and the like. Specifically, metal nanowires containing silver may be used.

Specifically, a conductive polymer can be used for wiring or the like.

Further, the terminal 519B may be electrically connected to the flexible printed circuit board FPC1 using, for example, the conductive material ACF1 (see fig. 2A). Specifically, the terminal 519B may be electrically connected to the flexible printed circuit board FPC1 using the conductive material CP.

< structural example 3 of display Panel 700 >

The display panel 700 includes a substrate 510, a substrate 770, and a sealant 705 (see fig. 3A).

Substrate 510, substrate 770

A material having light transmittance may be used for the substrate 510 or the substrate 770.

For example, a flexible substrate may be used for the base material 510 or the base material 770. Thereby, a display panel having flexibility can be provided.

For example, a material having a thickness of 0.7mm or less and 0.1mm or more can be used. Specifically, a material polished to a thickness of about 0.1mm can be used. Thereby, the weight can be reduced.

Further, a glass substrate of the sixth generation (1500mm × 1850mm), the seventh generation (1870mm × 2200mm), the eighth generation (2200mm × 2400mm), the ninth generation (2400mm × 2800mm), the tenth generation (2950mm × 3400mm), or the like can be used for the substrate 510 or the substrate 770. Thereby, a large-sized display device can be manufactured.

An organic material, an inorganic material, or a composite material in which an organic material and an inorganic material are mixed, or the like can be used for the substrate 510 or the substrate 770.

For example, inorganic materials such as glass, ceramics, and metals can be used. Specifically, alkali-free glass, soda lime glass, potash lime glass, crystal glass, aluminosilicate glass, tempered glass, chemically tempered glass, quartz, sapphire, or the like can be used for the substrate 510 or the substrate 770. Alternatively, aluminosilicate glass, tempered glass, chemically tempered glass, sapphire, or the like may be suitably used for the substrate 510 or the substrate 770 disposed on the side close to the user in the display panel. This can prevent damage or damage to the display panel during use.

Specifically, an inorganic oxide film, an inorganic nitride film, an inorganic oxynitride film, or the like can be used. For example, a silicon oxide film, a silicon nitride film, a silicon oxynitride film, an aluminum oxide film, or the like can be used. Stainless steel, aluminum, or the like may be used for the substrate 510 or the substrate 770.

For example, a single crystal semiconductor substrate or a polycrystalline semiconductor substrate made of silicon or silicon carbide, a compound semiconductor substrate such as silicon germanium, or an SOI substrate can be used for the base material 510 or the base material 770. Thus, a semiconductor element can be formed over the substrate 510 or the substrate 770.

For example, an organic material such as a resin, a resin film, or a plastic can be used for the substrate 510 or the substrate 770. Specifically, a material containing polyester, polyolefin, polyamide (nylon, aramid, or the like), polyimide, polycarbonate, polyurethane, acrylic resin, epoxy resin, or a resin having a siloxane bond such as silicone or the like can be used for the substrate 510 or the substrate 770. For example, a resin film, a resin plate, a laminate, or the like containing the above-mentioned resin can be used. Thereby, the weight can be reduced. Alternatively, for example, the frequency of occurrence of damage or the like due to dropping can be reduced.

Specifically, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), Polyethersulfone (PES), cycloolefin polymer (COP), cycloolefin copolymer (COC), or the like can be used for the substrate 510 or the substrate 770.

For example, a composite material in which a film of a metal plate, a thin plate-like glass plate, an inorganic material, or the like is bonded to a resin film or the like can be used for the substrate 510 or the substrate 770. For example, a composite material in which a fibrous or particulate metal, glass, an inorganic material, or the like is dispersed in a resin can be used as the substrate 510 or the substrate 770. For example, a composite material in which a fibrous or particulate resin, an organic material, or the like is dispersed in an inorganic material can be used as the substrate 510 or the substrate 770.

In addition, a single layer of a material or a material in which a plurality of layers are stacked may be used for the base 510 or the base 770. For example, a material in which an insulating film or the like is stacked may be used. Specifically, a material in which one or more films selected from a silicon oxide layer, a silicon nitride layer, a silicon oxynitride layer, and the like are stacked can be used. This can prevent diffusion of impurities contained in the base material, for example. Alternatively, diffusion of impurities contained in the glass or resin can be prevented. Alternatively, diffusion of impurities penetrating through the resin can be prevented.

In addition, paper, wood, or the like may be used for the substrate 510 or the substrate 770.

For example, a material having heat resistance that can withstand heat treatment in the manufacturing process may be used for the base material 510 or the base material 770. Specifically, a material having resistance to heating in a manufacturing process for directly forming a transistor, a capacitor, or the like can be used for the base 510 or the base 770.

For example, an insulating film, a transistor, a capacitor, or the like is formed over a process substrate which is resistant to heating in a manufacturing process, and the formed insulating film, transistor, capacitor, or the like is transferred to the base material 510 or the base material 770. Thus, for example, an insulating film, a transistor, a capacitor, or the like can be formed over a substrate having flexibility.

Sealing agent 705

The sealant 705 includes a region sandwiched between the functional layer 520 and the substrate 770, and has a function of bonding the functional layer 520 and the substrate 770 (see fig. 3A).

An inorganic material, an organic material, or a composite material of an inorganic material and an organic material, or the like may be used for the sealant 705.

For example, an organic material such as a hot melt resin or a cured resin may be used for the sealant 705.

For example, an organic material such as a reaction curable adhesive, a photocurable adhesive, a thermosetting adhesive, or/and an anaerobic adhesive may be used for the sealant 705.

Specifically, an adhesive containing an epoxy resin, an acrylic resin, a silicone resin, a phenol resin, a polyimide resin, an imide resin, a PVC (polyvinyl chloride) resin, a PVB (polyvinyl butyral) resin, an EVA (ethylene vinyl acetate) resin, or the like can be used for the sealant 705.

< structural example 4 of display Panel 700 >

The display panel 700 includes a color conversion layer cc (j), a light shielding film BM, a structure KB1, a functional film 770P, and the like.

Color conversion layer CC (j)

The color conversion layer cc (j) has a region sandwiched between the substrate 770 and the display element 550(i, j). For example, the color conversion layer cc (j) may be formed using photolithography. In addition, a color conversion layer CC (j +1) different from the color conversion layer CC (j) may be formed at a position adjacent to the color conversion layer CC (j). Thereby, a fine color conversion layer cc (j) can be formed.

For example, a material that emits light having a wavelength longer than that of the incident light may be used for the color conversion layer cc (j). For example, a material that absorbs blue light or ultraviolet rays to convert into green light emission, a material that absorbs blue light or ultraviolet rays to convert into red light emission, or a material that absorbs ultraviolet rays to convert into blue light emission may be used for the color conversion layer. In particular, quantum dots with a diameter of several nm can be used for the color conversion layer cc (j). In addition, perovskite may be used for the color conversion layer cc (j). Thereby, light having a spectrum of half width and half width can be emitted. Alternatively, light with high chroma may be emitted.

For example, a single film or a stacked film in which a plurality of films are stacked may be used for the color conversion layer cc (j). Specifically, a laminated film in which a film that can be formed by a method in which the display element 550(i, j) is less likely to be damaged and a dense film with few defects can be stacked can be used for the color conversion layer cc (j). This can suppress diffusion of impurities into the display element 550(i, j). Alternatively, the reliability of the display element 550(i, j) can be improved.

Light shielding film BM

The light shielding film BM includes an opening in a region overlapping with the pixel 702(i, j). For example, a dark material may be used for the light shielding film BM. Thereby, the display contrast can be improved.

Structure KB1

The structure KB1 has a region sandwiched between the functional layer 520 and the substrate 770. The structure KB1 has a function of providing a predetermined gap between the functional layer 520 and the substrate 770.

Functional film 770P

The functional film 770P includes a region overlapping with the display element 550(i, j).

For example, an antireflection film, a polarizing film, a phase difference film, a light diffusion film, a light condensing film, or the like can be used as the functional film 770P.

For example, an antireflection film having a thickness of 1 μm or less may be used for the functional film 770P. Specifically, a laminated film in which 3 or more layers, preferably 5 or more layers, and more preferably 15 or more layers of dielectric materials are laminated can be used for the functional film 770P. Therefore, the reflectance can be suppressed to 0.5% or less, preferably 0.08% or less.

For example, a circular polarizing film may be used for the functional film 770P.

Further, an antistatic film for preventing adhesion of dust, a water-repellent film for preventing adhesion of dirt, an oil-repellent film for preventing adhesion of dirt, an antireflection film (anti-reflection film), an antiglare film (non-glafefilm), a hard coat film for preventing damage during use, a self-repairing film for repairing the damage generated, and the like can be used for the functional film 770P.

< structural example 5 of display Panel 700 >

The display panel 700 includes an insulating film 528, an insulating film 573, and a sealing film 574 (see fig. 3A).

Insulating film 528

The insulating film 528 has a region sandwiched between the functional layer 520 and the substrate 770, and the insulating film 528 includes an opening in a region overlapping with the display element 550(i, j) (see fig. 3A).

For example, a material that can be used for the insulating film 521 may be used for the insulating film 528. Specifically, a silicon oxide film, a film containing acrylic resin, a film containing polyimide, or the like can be used for the insulating film 528.

Insulating film 573

The insulating film 573 has a region where the display element 550(i, j) is sandwiched between the functional layer 520 (see fig. 3A).

For example, a single film or a stacked film in which a plurality of films are stacked may be used for the insulating film 573. Specifically, a stacked film in which the insulating film 573A which can be formed by a method in which the display element 550(i, j) is less likely to be damaged and the insulating film 573B which has fewer defects and is dense can be stacked can be used for the insulating film 573. This can suppress diffusion of impurities into the display element 550(i, j). Alternatively, the reliability of the display element 550(i, j) can be improved.

Sealing film 574

For example, a material that can be used for the insulating film 521 can be used for the sealing film 574. A stacked film in which a resin 574A having light permeability and a film 574B having low moisture permeability are stacked may be used as the sealing film 574 (see fig. 4A). Further, a resin which does not generate gas may be used as the resin 574A having light transmittance. Specifically, silicon nitride can be used for the film 574B with low moisture permeability.

For example, the insulating film 521 can be formed by a sputtering method. Specifically, the insulating film 521 can be formed at a temperature of not lower than room temperature and not higher than 100 ℃.

Example of Structure of display element 550(i, j)

An element that controls the emission of light may be used for the display element 550(i, j). For example, a light-emitting element can be used for the display element 550(i, j).

Specifically, an organic electroluminescent element, an inorganic electroluminescent element, a light-emitting diode, a QDLED (quantum dot light-emitting diode), or the like can be used as the display element 550(i, j) (see fig. 3A).

For example, the layer 553(j) containing a light emitting material may be used for the display element 550(i, j).

Example 3 of Structure of layer 553(j) containing light-emitting Material

For example, a stacked material stacked so as to emit blue light or ultraviolet light may be used for the layer 553(j) including a light-emitting material. Further, a layer which converts blue light or ultraviolet light to light of another color phase and the layer 553(j) containing a light-emitting material may be stacked. This allows conversion from blue light to light of a predetermined hue, for example. Alternatively, pixels displaying different hues may be arranged without separately manufacturing the layer 553(j) including a light-emitting material.

Example 4 of Structure of layer 553(j) containing light-emitting Material

For example, a light-emitting unit may be used for the layer 553(j) containing a light-emitting material. The light-emitting unit has a region in which electrons injected from one side recombine with holes injected from the other side. In addition, the light-emitting unit includes a light-emitting material that emits energy generated by recombination of electrons and holes as light.

For example, a plurality of light-emitting cells and an intermediate layer may be used as the layer 553(j) containing a light-emitting material. The intermediate layer has a region sandwiched between the two light emitting cells. The intermediate layer has a charge generation region and has a function of supplying holes to the light emitting cells disposed on the cathode side and supplying electrons to the light emitting cells disposed on the anode side. In addition, a structure having a plurality of light-emitting cells and an intermediate layer is sometimes referred to as a tandem light-emitting element.

This can improve the current efficiency of light emission. Alternatively, the density of current flowing through the light-emitting element can be reduced at the same luminance. Alternatively, the reliability of the light-emitting element can be improved.

For example, a light-emitting unit including a material which emits light of one hue and a light-emitting unit including a material which emits light of another hue may be stacked and used for the layer 553(j) including a light-emitting material. Alternatively, a light-emitting unit including a material which emits light of one hue and a light-emitting unit including a material which emits light of the same hue may be stacked and used for the layer 553(j) including a light-emitting material. Specifically, two light-emitting units including a material that emits blue light may be stacked and used.

In addition, for example, a high molecular compound (oligomer, dendrimer, polymer, or the like), a medium molecular compound (a compound between a low molecule and a high molecule: a molecular weight of 400 or more and 4000 or less), or the like can be used for the layer 553(j) containing a light-emitting material.

Electrodes 551(i, j) and 552

For example, a material that can be used for wiring or the like may be used for the electrode 551(i, j) or the electrode 552. Specifically, a material having transparency to visible light may be used for the electrode 551(i, j) or the electrode 552.

For example, a conductive oxide or a conductive oxide containing indium, indium oxide, indium tin oxide, indium zinc oxide, zinc oxide to which gallium is added, or the like can be used. Alternatively, a metal film that is thin enough to transmit light may be used. Alternatively, a material having transparency to visible light may be used.

For example, a metal film which transmits a part of light and reflects another part of light may be used as the electrode 551(i, j) or the electrode 552. For example, the distance between the electrode 551(i, j) and the electrode 552 is adjusted by using the layer 553(j) containing a light-emitting material or the like.

Thus, a micro resonator structure can be provided in the display element 550(i, j). Alternatively, light of a predetermined wavelength can be extracted more efficiently than other light. Alternatively, light having a narrow half width of the spectrum can be extracted. Alternatively, light of a vivid color can be extracted.

For example, a film that efficiently reflects light can be used for the electrode 551(i, j) or the electrode 552. Specifically, a material containing silver, palladium, or the like, or a material containing silver, copper, or the like can be used for the metal film.

The electrode 551(i, j) is electrically connected to the pixel circuit 530(i, j) in the opening 591A (see fig. 3A). The electrode 551(i, j) overlaps with, for example, an opening formed in the insulating film 528, and the insulating film 528 is provided on the edge of the electrode 551(i, j).

This prevents short-circuiting between the electrodes 551(i, j) and 552.

Example 2 of Structure of display region 231

The display region 231 has a plurality of pixels. For example, a plurality of pixels having colors different from each other in display hue may be used for the display region 231.

This makes it possible to perform additive color mixing or subtractive color mixing of colors displayed by the plurality of pixels. Further, colors of hues that cannot be displayed by the respective pixels can be displayed.

Note that in the case where a plurality of pixels capable of displaying colors having mutually different hues are used for color mixing, each pixel may be referred to as a sub-pixel instead. In addition, a plurality of subpixels may be referred to as a pixel.

For example, the pixel 702(i, j) may be referred to as a sub-pixel, and the pixel 702(i, j), the pixel 702(i, j +1), and the pixel 702(i, j +2) may be referred to as a pixel 703(i, k) in one group (see fig. 1C).

Specifically, a group of a sub-pixel for displaying blue, a sub-pixel for displaying green, and a sub-pixel for displaying red may be used as the pixel 703(i, k). Further, a group of a sub pixel which displays cyan, a sub pixel which displays magenta, and a sub pixel which displays yellow may be used as the pixel 703(i, k).

For example, a sub-pixel for displaying white or the like may be added to the group and used as a pixel.

Example 3 of Structure of display region 231

The display region 231 includes a pixel 702(i, j), a pixel 702(i, j +1), and a pixel 702(i, j +2) (see fig. 1C).

The pixel 702(i, j) displays blue having a chromaticity x of 0.120 or more and 0.170 or less and a chromaticity y of 0.020 or more and less than 0.060 on the CIE1931 chromaticity coordinate.

The pixel 702(i, j +1) displays green having a chromaticity x of 0.130 or more and 0.250 or less and a chromaticity y of more than 0.710 and 0.810 or less on the CIE1931 chromaticity coordinates.

The pixel 702(i, j +2) displays red having a chromaticity x of greater than 0.680 and 0.720 or less and a chromaticity y of 0.260 or more and 0.320 or less on the CIE1931 chromaticity coordinates.

The pixel 702(i, j), the pixel 702(i, j +1), and the pixel 702(i, j +2) are provided such that the area ratio of the color gamut of the bt.2020-2 standard on the CIE chromaticity diagram is 80% or more or the coverage ratio of the color gamut is 75% or more. The area ratio is preferably 90% or more or the coverage is preferably 85% or more.

Thus, a display having a very wide color gamut satisfying the International RecommendationITU-RBT.2020-2 standard can be performed. Alternatively, extremely high resolution display can be performed.

Note that this embodiment mode can be combined with other embodiment modes shown in this specification as appropriate.

(embodiment mode 2)

In this embodiment, a structure of a display panel according to an embodiment of the present invention will be described with reference to fig. 6.

Fig. 6 is a diagram illustrating a structure of a display panel according to an embodiment of the present invention.

< structural example 1 of display Panel 700 >

The display panel 700 described in this embodiment includes the display region 231 (see fig. 6).

Example 1 of Structure of display region 231

The display region 231 includes one group of pixels 702(i, 1) to 702(i, n), another group of pixels 702(1, j) to 702(m, j), a scan line G1(i), and a signal line S1(j) (see fig. 6). Note that i is an integer of 1 or more and m or less, j is an integer of 1 or more and n or less, and m and n are integers of 1 or more.

Although not shown, the display region 231 includes the conductive film VCOM2 and the conductive film ANO.

A group of pixels 702(i, 1) to 702(i, n) is arranged in a row direction (a direction indicated by an arrow R1 in the drawing), and a group of pixels 702(i, 1) to 702(i, n) includes the pixel 702(i, j).

Another group of pixels 702(1, j) to 702(m, j) is arranged in a column direction (a direction indicated by an arrow C1 in the drawing) intersecting the row direction, and the another group of pixels 702(1, j) to 702(m, j) includes the pixels 702(i, j).

The scanning line G1(i) is electrically connected to a group of pixels 702(i, 1) to 702(i, n) arranged in the row direction.

The signal line S1(j) is electrically connected to the other group of pixels 702(1, j) to 702(m, j) arranged in the column direction.

Thereby, image data can be supplied to a plurality of pixels. As a result, a novel display panel excellent in convenience and reliability can be provided.

Example 2 of Structure of display region 231

The display region 231 includes a plurality of pixels of 600 or more per 1 inch. The plurality of pixels includes a pixel 702(i, j).

Example 3 of Structure of display region 231

The display region 231 has a plurality of pixels in a matrix. For example, the display region 231 has 7600 or more pixels in the row direction and 4300 or more pixels in the column direction. Specifically, there are 7680 pixels in the row direction and 4320 pixels in the column direction.

Thereby, a clear image can be displayed. As a result, a novel display panel excellent in convenience and reliability can be provided.

< structural example 2 of display Panel 700 >

The display panel 700 described in this embodiment includes one or more driver circuits. For example, the driver circuit GD and the driver circuit SD (see fig. 6) may be included.

Drive circuit GDA and drive circuit GDB

The driver circuit GDA and the driver circuit GDB may be used as the driver circuit GD. For example, the driver circuits GDA and GDB have a function of supplying a selection signal in accordance with the control signal SP.

Specifically, the driver circuits GDA and GDB have a function of supplying a selection signal to one scan line at a frequency of 30Hz or more, preferably 60Hz or more, in response to the control signal SP. Thereby, a moving image can be smoothly displayed.

In addition, the driving circuit GDA and the circuit GDB have a function of supplying a selection signal to one scan line at a frequency lower than 30Hz, preferably lower than 1Hz, and more preferably lower than 1 time/minute in accordance with the control signal SP. Thereby, a still image with flicker suppressed can be displayed.

For example, when a plurality of driver circuits are included, the frequency at which the driver circuit GDA supplies the selection signal may be made different from the frequency at which the driver circuit GDB supplies the selection signal. Specifically, the selection signal may be supplied to the other area displaying the moving image at a higher frequency than the frequency at which the selection signal is supplied to the one area displaying the still image. Thus, a still image with flicker suppressed can be displayed in one region, and a moving image can be smoothly displayed in the other region.

Here, the frame frequency may be variable. For example, the display may be performed at a frame frequency of 1Hz to 120 Hz. In addition, display can be performed at a frame frequency of 120Hz in a progressive scanning manner.

For example, a bottom gate transistor, a top gate transistor, or the like may be used for the driver circuit GD. Specifically, the transistor MD may be used for the drive circuit GD (refer to fig. 4).

For example, the semiconductor film for the transistor of the driver circuit GD may be formed in the step of forming the semiconductor film for the transistor of the pixel circuit 530(i, j).

Drive circuit SD

The drive circuit SD has a function of generating an image signal from the data V11 and a function of supplying the image signal to a pixel circuit electrically connected to one display element (see fig. 6).

For example, various kinds of sequential circuits such as a shift register can be used for the driver circuit SD.

For example, an integrated circuit formed on a silicon substrate may be used for the driving circuit SD.

For example, the integrated circuit can be connected to the terminal by a COG (chip on glass) method or a COF (chip on film) method. Specifically, the integrated circuit can be connected to the terminal using an anisotropic conductive film.

Note that this embodiment mode can be combined with other embodiment modes shown in this specification as appropriate.

(embodiment mode 3)

In this embodiment, a structure of a display device according to an embodiment of the present invention will be described with reference to fig. 7.

Fig. 7 is a diagram illustrating a structure of a display device according to an embodiment of the present invention. Fig. 7A is a block diagram of a display device according to an embodiment of the present invention, and fig. 7B to 7D are projection views illustrating an external appearance of the display device according to an embodiment of the present invention.

< example of Structure of display device >

The display device described in this embodiment includes a display panel 700 and a control unit 238 (see fig. 7A).

Example of configuration of control unit 238 1

The control unit 238 is supplied with image data VI and control data CI. For example, a clock signal or a timing signal or the like may be used to control the data CI.

The control unit 238 generates data V11 from the image data VI and generates a control signal SP from the control data CI. Further, the control section 238 supplies data V11 and a control signal SP.

For example, the data V11 includes a gray scale of 8 bits or more, and preferably includes a gray scale of 12 bits or more. In addition, for example, a clock signal, a start pulse, or the like of a shift register serving as a driver circuit may be used for the control signal SP.

< example 2 of configuration of control unit 238 >

For example, the decompression circuit 234 and the image processing circuit 235 may be used for the control unit 238.

Decompression circuit 234

The decompression circuit 234 has a function of decompressing the image data VI supplied in a compressed state. The decompression circuit 234 includes a storage section. The storage unit has a function of storing the decompressed image data, for example.

Image processing circuit 235

The image processing circuit 235 includes, for example, a storage area. The storage area has a function of storing data in the image data VI, for example.

The image processing circuit 235 has a function of correcting the image data VI according to a predetermined characteristic curve to generate data V11 and a function of supplying data V11, for example.

Display Panel Structure example 1

The display panel 700 is supplied with data V11 and a control signal SP. For example, the display panel 700 includes a driving circuit. Specifically, the display panel 700 described in embodiment 1 or embodiment 2 can be used.

Drive circuit

The driving circuit operates according to the control signal SP. By using the control signal SP, the operations of the plurality of driving circuits can be synchronized.

For example, the driver circuits GDA (1), GDA (2), GDB (1), and GDB (2) may be used for the display panel. The driver circuits GDA (1), GDA (2), GDB (1), and GDB (2) have a function of being supplied with the control signal SP and supplying the selection signal.

For example, the driver circuits SDA (1), SDA (2), SDB (1), SDB (2), SDC (1), and SDC (1) may be used for the display panel. In addition, the driving circuit SDA (1), the driving circuit SDA (2), the driving circuit SDB (1), the driving circuit SDB (2), the driving circuit SDC (1), and the driving circuit SDC (1) may be supplied with the control signal SP and the data V11 and supply an image signal.

Example of the Structure of the Pixel 702(i, j)

The pixel 702(i, j) is displayed according to the data V11.

Thereby, image data can be displayed by the display element. As a result, a novel display device excellent in convenience and reliability can be provided. In addition, for example, a television receiving system (see fig. 7B), an image display (see fig. 7C), a notebook computer (see fig. 7D), or the like can be provided.

Display Panel Structure example 2

For example, the control circuit 233 may be used for the display panel 700. Specifically, the control circuit 233 formed over a rigid substrate can be used for the display panel 700. In addition, the control circuit 233 formed on the rigid substrate may be electrically connected to the control portion 238 using a flexible printed circuit board.

Control circuit 233

The control circuit 233 has a function of generating and supplying a control signal SP. For example, a clock signal, a timing signal, or the like may be used for the control signal SP. Specifically, a timing controller may be used for the control circuit 233.

Note that this embodiment mode can be combined with other embodiment modes shown in this specification as appropriate.

(embodiment mode 4)

In this embodiment, a configuration of an input/output device according to an embodiment of the present invention will be described with reference to fig. 8.

Fig. 8 is a block diagram illustrating a configuration of an input/output device according to an embodiment of the present invention.

< example 1 of configuration of input/output device >

The input/output device described in this embodiment includes an input unit 240 and a display unit 230 (see fig. 8).

Display section 230

The display portion 230 includes a display panel. For example, the display panel 700 described in embodiment 1 or embodiment 2 can be used for the display unit 230. The configuration including the input unit 240 and the display unit 230 may be referred to as an input/output panel 700 TP.

Example 1 of input Unit 240 Structure

The input section 240 includes a detection region 241. The input unit 240 has a function of detecting an object approaching the detection region 241.

The detection region 241 includes a region overlapping with the pixel 702(i, j).

Thus, it is possible to detect an object approaching the region overlapping the display section while displaying image data using the display section. Alternatively, a finger or the like near the display portion may be used as the pointing object input position data. Alternatively, the position data may be associated with the image data displayed on the display unit. As a result, a novel input/output device excellent in convenience and reliability can be provided.

Example 1 of Structure of detection region 241

The detection region 241 includes, for example, one or more detectors.

The detection region 241 includes one group of detectors 802(g, 1) to 802(g, q), and another group of detectors 802(1, h) to 802(p, h). g is an integer of 1 or more and p or less, h is an integer of 1 or more and q or less, and p and q are integers of 1 or more.

A group of detectors 802(g, 1) to 802(g, q) includes the detector 802(g, h) and is arranged in the row direction (the direction indicated by an arrow R2 in the drawing). Note that the direction indicated by the arrow R2 may be the same as or different from the direction indicated by the arrow R1.

Another group of detectors 802(1, h) to 802(p, h) includes detectors 802(g, h) and is arranged in a column direction (a direction indicated by an arrow C2 in the drawing) intersecting with the row direction.

Detector

The detector has the function of detecting an approaching indicator. For example, a finger or a stylus or the like may be used as the pointer. For example, a metal sheet or coil, etc. may be used for the stylus pen.

Specifically, a capacitance type proximity sensor, an electromagnetic induction type proximity sensor, an optical type proximity sensor, a resistance type proximity sensor, or the like can be used for the detector.

In addition, a plurality of types of detectors may be combined. For example, a detector for detecting a finger and a detector for detecting a stylus may be used in combination.

Therefore, the type of the indicator can be identified. Alternatively, different instructions may be associated with the detection data depending on the type of indicator identified. Specifically, in the case where it is determined that the finger is used as the pointer, the detection data may be associated with the gesture. Alternatively, in the case where it is determined that the stylus pen is used as the pointer, the detection data may be associated with the drawing processing.

In particular, the fingers may be detected using capacitive, pressure sensitive or optical proximity sensors. Alternatively, the stylus may be detected using an electromagnetic induction or optical proximity sensor.

Example 2 of input Unit 240 Structure

The input section 240 may include an oscillation circuit OSC and a detection circuit DC (refer to fig. 8).

The oscillation circuit OSC supplies the search signal to the detector 802(g, h). For example, a rectangular wave, a saw wave, a triangular wave, a sine wave, or the like may be used as the search signal.

The detector 802(g, h) generates and supplies a detection signal that varies according to the distance from the pointer near the detector 802(g, h) and the search signal.

The detection circuit DC supplies input data in dependence on the detection signal.

Thereby, the distance from the approaching indicator to the detection region 241 can be detected. Further, the closest position of the pointing object within the detection region 241 may be detected.

Note that this embodiment mode can be combined with other embodiment modes shown in this specification as appropriate.

(embodiment 5)

In this embodiment, a configuration of a data processing apparatus according to an embodiment of the present invention will be described with reference to fig. 9 to 11.

Fig. 9A is a block diagram illustrating a configuration of a data processing apparatus according to an embodiment of the present invention. Fig. 9B and 9C are perspective views illustrating an example of the external appearance of the data processing apparatus.

Fig. 10 is a flowchart illustrating a procedure according to an embodiment of the present invention. Fig. 10A is a flowchart for explaining main processing of a program according to an embodiment of the present invention, and fig. 10B is a flowchart for explaining interrupt processing.

Fig. 11 is a diagram illustrating a procedure according to an embodiment of the present invention. Fig. 11A is a flowchart for explaining interrupt processing of a program according to an embodiment of the present invention. Fig. 11B is a schematic diagram illustrating the operation of the data processing apparatus. Fig. 11C is a sequence diagram illustrating an operation of the data processing apparatus according to the embodiment of the present invention.

< example 1 of the configuration of data processing apparatus >

The data processing apparatus described in this embodiment includes an arithmetic unit 210 and an input/output unit 220 (see fig. 9A). The input/output device 220 is electrically connected to the arithmetic device 210. The data processing apparatus 200 may include a housing (see fig. 9B and 9C).

Example 1 of configuration of arithmetic device 210

The arithmetic device 210 is supplied with input data II or detection data DS. The arithmetic device 210 generates control data CI and image data VI from the input data II or the detection data DS, and supplies the control data CI and the image data VI.

The arithmetic device 210 includes an arithmetic unit 211 and a storage unit 212. In addition, the computing device 210 includes a transmission channel 214 and an input/output interface 215.

The transmission channel 214 is electrically connected to the arithmetic section 211, the storage section 212, and the input/output interface 215.

[ arithmetic section 211 ]

The arithmetic unit 211 has a function of executing a program, for example.

Storage section 212

The storage unit 212 has a function of storing, for example, a program executed by the arithmetic unit 211, initial data, setting data, an image, and the like.

Specifically, the storage portion 212 may use a hard disk, a flash memory, a memory including a transistor including an oxide semiconductor, or the like.

I/O interface 215 and transfer channel 214

The input-output interface 215 includes a terminal or wiring having a function of supplying and receiving data. For example, it may be electrically connected to the transmission channel 214. In addition, it may be electrically connected to the input-output device 220.

The transmission channel 214 includes wiring having a function of supplying and being supplied with data. For example, the input/output interface 215 may be electrically connected. The operation unit 211, the storage unit 212, or the input/output interface 215 may be electrically connected.

Example of configuration of input/output device 220

The input/output device 220 supplies input data II and detection data DS. The input/output device 220 is supplied with control data CI and image data VI (see fig. 9A).

For example, a scan code of a keyboard, position data, operation data of a button, audio data, image data, or the like may be used as the input data II. Alternatively, for example, illuminance data, posture data, acceleration data, orientation data, pressure data, temperature data, humidity data, or the like of the usage environment of the data processing device 200 may be used as the detection data DS.

For example, a signal that controls luminance when the image data VI is displayed, a signal that controls chroma when the image data VI is displayed, or a signal that controls hue when the image data VI is displayed may be used as the control data CI. Alternatively, a signal that changes a part of the display of the image data VI may be used as the control data CI.

The input/output device 220 includes a display unit 230, an input unit 240, and a detection unit 250. For example, the input-output device described in embodiment 4 can be used as the input-output device 220. The input/output device 220 may further include a communication unit 290.

Example of Structure of display section 230

The display unit 230 displays the image data VI according to the control data CI.

The display unit 230 includes a control unit 238, a drive circuit GD, a drive circuit SD, and a display panel 700 (see fig. 7). For example, the display device described in embodiment 3 can be used for the display portion 230.

Example of the configuration of the input section 240

The input unit 240 generates input data II. For example, the input section 240 has a function of supplying the position data P1.

For example, various human-machine interfaces and the like can be used for the input unit 240 (see fig. 9A). Specifically, a keyboard, a mouse, a touch sensor, a microphone, a camera, or the like may be used for the input section 240.

In addition, a touch sensor having an area overlapping the display portion 230 may be used. An input/output device including the display portion 230 and a touch sensor having an area overlapping the display portion 230 may be referred to as a touch panel or a touch screen.

For example, the user can make various gestures (clicking, dragging, sliding, or pinching, etc.) using a finger touching the touch panel as a pointer.

For example, the arithmetic device 210 analyzes data such as the position and trajectory of a finger touching the touch panel, and when the analysis result satisfies a predetermined condition, it can be said that a predetermined gesture is supplied thereto. Thus, the user can use the gesture to supply a predetermined operation instruction preset to be associated with a predetermined gesture.

For example, the user may provide a "scroll instruction" that changes the display position of the image data with a gesture that moves a finger contacting the touch panel along the touch panel.

The user can supply a "drag instruction" for extracting the display guide panel NP at the end of the display area 231 by using a gesture of moving a finger in contact with the end of the display area 231 (refer to fig. 9C). Further, the user can supply a "scrolling instruction" of an index image (index image) IND, a part of another page, or a thumbnail image (thumbnail image) TN of another page displayed in a specified order on the guide panel NP using a gesture that moves a position where a finger is pressed hard. Further, the instruction may be supplied using pressure that presses the finger hard. Thus, pages of the electronic book terminal can be turned as if a paper book is turned. Further, a specified page can be searched for from the thumbnail image TN or the index image IND.

Example of Structure of detection section 250

The detection unit 250 generates detection data DS. For example, the detection unit 250 has a function of detecting the illuminance of the use environment of the data processing device 200 and a function of supplying illuminance data.

The detection unit 250 has a function of detecting the surrounding state and supplying detection data. Specifically, illuminance data, attitude data, acceleration data, orientation data, pressure data, temperature data, humidity data, or the like may be supplied.

For example, a photodetector, an attitude detector, an acceleration sensor, an orientation sensor, a GPS (Global positioning System) signal receiving circuit, a pressure sensitive switch, a pressure sensor, a temperature sensor, a humidity sensor, a camera, or the like can be used for the detection section 250.

Communication section 290

The communication section 290 has a function of supplying data to the network and acquiring data from the network.

Frame body

The housing has a function of accommodating the input/output device 220 or the arithmetic device 210. Alternatively, the housing has a function of supporting the display unit 230 or the arithmetic device 210.

Thereby, control data can be generated from the input data or the detection data. Alternatively, the image data may be displayed based on the input data or the detection data. Alternatively, the data processing apparatus may operate in an environment where the data processing apparatus is used by detecting the intensity of light received by the housing of the data processing apparatus. Alternatively, the user of the data processing apparatus may select the display method. As a result, a novel data processing device excellent in convenience and reliability can be provided.

Note that the above-described constituent elements may not be clearly distinguished from each other, and one structure may be used as another structure or include a part of another structure. For example, a touch panel provided with a touch sensor so as to overlap with a display panel is used as both a display portion and an input portion.

Example 2 of configuration of arithmetic device 210

The arithmetic device 210 includes an artificial intelligence unit 213 (see fig. 9A).

The artificial intelligence part 213 is supplied with the input data II or the detection data DS, and the artificial intelligence part 213 deduces the control data CI from the input data II or the detection data DS. Further, the artificial intelligence part 213 supplies the control data CI.

This makes it possible to generate control data CI that can be displayed in a perceptually appropriate manner. Alternatively, a perceptually appropriate display may be made. Alternatively, the control data CI capable of comfortable display may be generated. Alternatively, a comfortable feeling display can be performed. As a result, a novel data processing device excellent in convenience and reliability can be provided.

[ Natural language processing on input data II ]

Specifically, the artificial intelligence unit 213 may extract one feature from the entire input data II by performing natural language processing on the input data II. For example, the artificial intelligence unit 213 may extract emotion included in the input data II as a feature by deducing the emotion. Further, it can be inferred that a color, a pattern, a font, or the like suitable for the feature is empirically perceived. The artificial intelligence unit 213 may generate data specifying the color, pattern, or font of the character and data specifying the color or pattern of the background, and use the data as the control data CI.

Specifically, the artificial intelligence unit 213 performs natural language processing on the input data II to extract a part of the words included in the input data II. For example, the artificial intelligence unit 213 may extract expressions including grammar errors, fact misunderstandings, emotions, and the like. The artificial intelligence unit 213 generates control data CI for displaying the extracted color, pattern, font, or the like of one portion as being different from that of another portion.

[ image processing on input data II ]

Specifically, the artificial intelligence unit 213 may extract one feature from the input data II by performing image processing on the input data II. For example, the artificial intelligence unit 213 may infer the shooting age, whether the input data II is indoors or outdoors, whether the data II is daytime or nighttime, and the like, and use these as features. Further, it is possible to infer a color tone empirically suitable for the feature and generate control data CI for using the color tone for display. Specifically, data specifying a color (for example, full color, black and white, or sepia, etc.) for gradation expression may be used as the control data CI.

Specifically, the artificial intelligence unit 213 performs image processing on the input data II to extract a part of the image included in the input data II. For example, control data CI that displays a boundary between a part of the extracted image and another part of the image may be generated. Specifically, control data CI displaying a rectangle surrounding a part of the extracted image may be generated.

[ inference using detection data DS ]

Specifically, the artificial intelligence unit 213 may generate the inference RI using the detection data DS. Alternatively, the control data CI may be generated based on the inference RI for comfortable use by a user of the data processing apparatus 200.

Specifically, the artificial intelligence unit 213 can generate control data CI for adjusting the display brightness according to the illuminance of the environment, and can provide comfortable brightness. Alternatively, the artificial intelligence unit 213 may generate control data CI for adjusting the volume in accordance with noise in the environment, and may set the volume to a comfortable volume.

In addition, a clock signal, a timing signal, or the like supplied to the control section 238 included in the display section 230 may be used as the control data CI. Alternatively, a clock signal, a timing signal, or the like supplied to the control section 248 included in the input section 240 may be used as the control data CI.

Construction example of data processing apparatus 2

Another configuration of a data processing apparatus according to an embodiment of the present invention will be described with reference to fig. 10A and 10B.

Procedure(s)

A program according to an embodiment of the present invention includes the following steps (see fig. 10A).

[ first step ]

In the first step, the setting is initialized (see fig. 10A (S1)).

For example, predetermined image data to be displayed at the time of startup, a predetermined mode for displaying the image data, and data specifying a predetermined display method for displaying the image data are acquired from the storage unit 212. Specifically, one still image data or other moving image data may be used for the predetermined image data. Further, the first mode or the second mode may be used for a predetermined mode.

[ second step ]

In the second step, interrupt processing is permitted (see fig. 10A (S2)). The arithmetic device for which interrupt processing is permitted can perform interrupt processing simultaneously with main processing. The arithmetic device that returns from the interrupt processing to the main processing can reflect the result obtained by the interrupt processing to the main processing.

The counter may be set to a value other than the initial value when the counter is set to the initial value and the arithmetic device is caused to perform the interrupt processing. Thus, interrupt processing can be executed at any time after the program is started.

[ third step ]

In the third step, the image data is displayed using the predetermined mode or the predetermined display method selected in the first step or the interrupt processing (refer to fig. 10A (S3)). Note that the predetermined mode specifies a mode for displaying data, and the predetermined display method specifies a method for displaying image data. Furthermore, the image data VI may be used as the displayed data, for example.

For example, one method of displaying image data VI may be associated with the first mode. Alternatively, other methods of displaying the image data VI may be associated with the second mode. Thereby, the display method can be selected according to the selected mode.

First mode

Specifically, a method of supplying a selection signal to one scanning line at a frequency of 30Hz or more, preferably 60Hz or more, and displaying the signal in accordance with the selection signal may be associated with the first mode.

For example, by supplying the selection signal at a frequency of 30Hz or more, preferably 60Hz or more, a moving image can be smoothly displayed.

For example, by updating the image at a frequency of 30Hz or more, preferably 60Hz or more, it is possible to display an image that smoothly changes with the user's operation on the data processing device 200 being operated by the user.

Second mode

Specifically, a method of supplying a selection signal to one scanning line at a frequency lower than 30Hz, preferably lower than 1Hz, more preferably lower than 1 time/minute, and performing display according to the selection signal may be associated with the second mode.

By supplying the selection signal at a frequency lower than 30Hz, preferably lower than 1Hz, more preferably lower than 1 time/minute, a display in which flicker is suppressed can be performed. Further, power consumption can be reduced.

For example, when the data processing device 200 is used for a timepiece, the display may be updated at a frequency of 1 time/second or 1 time/minute.

Here, for example, when a light-emitting element is used as a display element, image data can be displayed by causing the light-emitting element to emit light in a pulse shape. Specifically, the organic EL element can emit light in a pulse shape and display by its afterglow. Since the organic EL element has excellent frequency characteristics, the driving time of the light emitting element can be shortened to reduce power consumption in some cases. Alternatively, since heat generation of the light-emitting element is suppressed, deterioration of the light-emitting element may be reduced.

[ fourth step ]

In the fourth step, the fifth step is entered when the end instruction is supplied, and the third step is entered when the end instruction is not supplied (refer to fig. 10A (S4)).

For example, the determination may be made in accordance with an end instruction supplied in the interrupt processing.

[ fifth step ]

In the fifth step, the operation is ended (see fig. 10A (S5)).

Interruption handling

The interrupt processing includes the following sixth to eighth steps (see fig. 10B).

[ sixth step ]

In the sixth step, for example, the illuminance of the use environment of the data processing device 200 is detected by the use detection unit 250 (see fig. 10B (S6)). In addition, the color temperature or chromaticity of the ambient light may be detected instead of the illuminance of the environment.

[ seventh step ]

In the seventh step, a display method is determined based on the detected illuminance data (see fig. 10B (S7)). For example, the display brightness is set to be not excessively dark or excessively bright.

When the color temperature of the ambient light or the chromaticity of the ambient light is detected in the sixth step, the display color may also be adjusted.

[ eighth step ]

In the eighth step, the interrupt processing is ended (see fig. 10B (S8)).

< example 3 of the configuration of data processing apparatus >

Another configuration of a data processing device according to an embodiment of the present invention will be described with reference to fig. 11.

Fig. 11A is a flowchart illustrating a procedure according to an embodiment of the present invention. Fig. 11A is a flowchart for explaining an interrupt process different from the interrupt process shown in fig. 10B.

The structural example 3 of the data processing apparatus is different from the interrupt processing described with reference to fig. 10B in that the interrupt processing includes a step of changing the mode according to a predetermined event that is supplied. Here, the difference will be described in detail, and the above description will be applied to a portion where the same structure as the above structure can be used.

Interruption handling

The interrupt processing includes the following sixth to eighth steps (refer to fig. 11A).

[ sixth step ]

In the sixth step, the seventh step is entered when a predetermined event is supplied; the eighth step is entered when the predetermined event is not supplied (refer to fig. 11A (U6)). For example, whether or not a predetermined event is supplied during a predetermined period may be used as a condition. Specifically, the predetermined period may be a period longer than 0 second and equal to or less than 5 seconds, equal to or less than 1 second, or equal to or less than 0.5 seconds, preferably equal to or less than 0.1 seconds.

[ seventh step ]

In the seventh step, the mode is changed (refer to fig. 11A (U7)). Specifically, when the first mode is selected previously, the second mode is selected; when the second mode is previously selected, the first mode is selected.

For example, the display mode of a partial region of the display portion 230 may be changed. Specifically, the display mode of a region in which one driver circuit of the display portion 230 including the driver circuits GDA, GDB, and GDC supplies a selection signal can be changed (see fig. 11B).

For example, when a predetermined event is supplied to the input portion 240 in a region overlapping with a region where the selection signal is supplied from the driver circuit GDB, the display mode of the region where the selection signal is supplied from the driver circuit GDB may be changed (see fig. 11B and 11C). Specifically, the frequency of the selection signal supplied by the drive circuit GDB can be changed according to an event (e.g., "click (tap)") supplied to the touch panel using a finger or the like.

The signal GCLK is a clock signal for controlling the operation of the driving circuit GDB, and the signals PWC1 and PWC2 are pulse width control signals for controlling the operation of the driving circuit GDB. The drive circuit GDB supplies a selection signal to the scan line G1(m +1) to the scan line G1(2m) in accordance with the signal GCLK, the signal PWC1, the signal PWC2, and the like.

Thus, for example, when the selection signal is not supplied to the driver circuits GDA and GDC, the selection signal can be supplied to the driver circuit GDB. Alternatively, the display of the region to which the selection signal is supplied by the driver circuit GDB may be updated without changing the display of the region to which the selection signal is supplied by the driver circuit GDA and the driver circuit GDC. Alternatively, the power consumed by the drive circuit can be reduced.

[ eighth step ]

In the eighth step, the interrupt processing is ended (see fig. 11A (U8)). Further, the interrupt processing may be repeated while the main processing is performed.

Scheduled events

For example, an event such as "click" or "drag" provided with a pointing device such as a mouse, an event such as "click", "drag", or "slide" provided to the touch panel using a finger or the like as a pointer, or the like can be used.

For example, the parameters of the instructions associated with the predetermined event may be supplied with the position of the slider indicated by the indicator, the speed of the slide, the speed of the drag, and the like.

For example, a preset threshold may be compared with the data detected by the detection unit 250, and the comparison result may be used for an event.

Specifically, a pressure-sensitive detector or the like that is in contact with a button or the like provided so as to be able to be pushed into the housing may be used for the detection section 250.

Instructions associated with predetermined events

For example, the end instruction may be associated with a predetermined event.

For example, a "page turn instruction" to switch displayed one image data to other image data may be associated with a predetermined event. In addition, a parameter that decides a page turning speed or the like used when the "page turning instruction" is executed may be supplied using a predetermined event.

For example, a "scroll instruction" or the like that moves the display position of a part of one image data being displayed and displays other parts consecutive to the part may be associated with a predetermined event. Further, a parameter that decides the speed of the movement display or the like used when the "scroll instruction" is executed may be supplied using a predetermined event.

For example, an instruction to set a display method, an instruction to generate image data, or the like may be associated with a predetermined event. Furthermore, a parameter that determines the brightness of the generated image may be associated with a predetermined event. Further, the parameter of the luminance of the generated image may be determined based on the luminance of the environment detected by the detection unit 250.

For example, an instruction to acquire data transmitted using a push service by the communication unit 290 or the like may be associated with a predetermined event.

Further, the presence or absence of the acquisition eligibility data may be determined using the position data detected by the detection unit 250. Specifically, when the user is in a predetermined classroom, school, conference room, enterprise, house, or the like, the user can be determined to be eligible to acquire data. Thus, for example, a teaching material transmitted in a classroom such as a school or a university can be received, and the data processing device 200 can be used as a textbook or the like (see fig. 9C). Alternatively, the material transmitted to a conference room of an enterprise or the like may be received and used as conference material.

Note that this embodiment mode can be combined with other embodiment modes shown in this specification as appropriate.

(embodiment mode 6)

In this embodiment, a configuration of a data processing device according to an embodiment of the present invention will be described with reference to fig. 12 to 14.

Fig. 12 to 14 are diagrams illustrating a configuration of a data processing device according to an embodiment of the present invention. Fig. 12A is a block diagram of the data processing apparatus, and fig. 12B to 12E are perspective views illustrating the configuration of the data processing apparatus. Fig. 13A to 13E are perspective views illustrating the configuration of the data processing device. Fig. 14A and 14B are perspective views illustrating the configuration of the data processing device.

< data processing apparatus >

The data processing device 5200B described in this embodiment includes an arithmetic device 5210 and an input/output device 5220 (see fig. 12A).

The arithmetic device 5210 has a function of being supplied with operation data, and has a function of supplying image data in accordance with the operation data.

The input/output device 5220 includes a display unit 5230, an input unit 5240, a detection unit 5250, and a communication unit 5290, and has a function of supplying operation data and a function of supplying image data. Further, the input/output device 5220 has a function of supplying detection data, a function of supplying communication data, and a function of being supplied with communication data.

The input portion 5240 has a function of supplying operation data. For example, the input unit 5240 supplies operation data in accordance with an operation by a user of the data processing device 5200B.

Specifically, a keyboard, a hardware button, a pointing device, a touch sensor, an illuminance sensor, an imaging device, a voice input device, a line-of-sight input device, a posture detection device, or the like can be used for the input unit 5240.

The display portion 5230 includes a display panel and has a function of displaying image data. For example, the display panel described in embodiment 1 or embodiment 2 can be used for the display portion 5230.

The detection portion 5250 has a function of supplying detection data. For example, the function of supplying the test data using the environment around the test data processing device is provided.

Specifically, an illuminance sensor, an imaging device, a posture detection device, a pressure sensor, a human body induction sensor, or the like may be used for the detection portion 5250.

The communication part 5290 has a function of supplying and being supplied with communication data. For example, it has a function of connecting with other electronic devices or a communication network in wireless communication or wired communication. Specifically, the functions include wireless lan communication, telephone communication, and short-range wireless communication.

Example of configuration of data processing apparatus 1

For example, a column or the like that is cylindrical along the outer shape can be used for the display portion 5230 (see fig. 12B). In addition, the display device has a function of changing a display method according to illuminance of a use environment. Further, the display device has a function of detecting the presence of a person to change the display content. Thus, for example, it may be provided on a post of a building. Alternatively, an advertisement or guide or the like can be displayed. Alternatively, it can be used for digital signage and the like.

Example of configuration of data processing apparatus 2

For example, the image processing apparatus has a function of generating image data based on a trajectory of a pointer used by a user (see fig. 12C). Specifically, a display panel having a diagonal length of 20 inches or more, preferably 40 inches or more, and more preferably 55 inches or more can be used. Alternatively, a plurality of display panels may be arranged to serve as one display region. Alternatively, a plurality of display panels may be arranged to be used as a multi-screen display panel. Therefore, it can be used for, for example, an electronic blackboard, an electronic message board, a digital signage, and the like.

Example of configuration of data processing apparatus 3

Data can be received from another device and displayed on the display portion 5230 (see fig. 12D). Furthermore, several options may be displayed. In addition, the user can select several items from the selection items and return them to the data originator. In addition, for example, there is a function of changing a display method according to illuminance of a use environment. This can reduce power consumption of the smart watch, for example. In addition, for example, the image may be displayed on the smart watch so that the smart watch can be suitably used even in an environment where the outside light is strong such as outdoors on a sunny day.

Example of configuration of data processing apparatus 4

The display unit 5230 has a curved surface that is gently curved along the side surface of the housing, for example (see fig. 12E). Alternatively, the display portion 5230 includes a display panel having a function of displaying on, for example, a front surface, a side surface, a top surface, and a back surface thereof. This makes it possible to display data not only on the front surface of the mobile phone but also on the side surface, the top surface, and the back surface, for example.

Example of configuration of data processing apparatus 5

For example, data may be received from the internet and displayed on the display portion 5230 (see fig. 13A). The generated notification can be confirmed on the display unit 5230. In addition, the created notification may be transmitted to other devices. Further, for example, there is a function of changing a display method according to illuminance of a use environment. Therefore, the power consumption of the smart phone can be reduced. Further, for example, an image may be displayed on a smartphone in such a manner that the smartphone can be suitably used even in an environment of outdoor light intensity on a sunny day or the like.

Example of configuration of data processing apparatus 6

A remote controller may be used as the input portion 5240 (see fig. 13B). Further, for example, data may be received from a broadcasting station or the internet and displayed on the display portion 5230. In addition, the user can be imaged using the detection unit 5250. In addition, an image of the user may be transmitted. In addition, the user's viewing history can be acquired and provided to the cloud service. Also, the recommendation data may be acquired from the cloud service and displayed on the display unit 5230. Further, a program or a moving image may be displayed according to the recommendation data. In addition, for example, there is a function of changing a display method according to illuminance of a use environment. Thus, the image is displayed on the television system so that the television system can be used appropriately even in an environment where the outside light incident indoors is strong on a clear day.

Example of configuration of data processing apparatus 7

For example, a teaching material may be received from the internet and displayed on the display unit 5230 (see fig. 13C). Further, the report may be input using the input 5240 and sent to the internet. In addition, the correction result or evaluation of the report may be acquired from the cloud service and displayed on the display portion 5230. In addition, an appropriate teaching material can be selected and displayed according to the evaluation.

For example, an image signal may be received from another data processing apparatus and displayed on the display portion 5230. In addition, the display portion 5230 may be leaned against a stand or the like and the display portion 5230 may be used as a sub-display. Thus, for example, it is possible to display an image on a tablet computer so that the tablet computer can be used appropriately even in an environment where the external light is strong such as outdoors on a sunny day.

Example of configuration of data processing apparatus 8

The data processing device includes, for example, a plurality of display units 5230 (see fig. 13D). For example, an image captured by the detection unit 5250 may be displayed on the display unit 5230. Further, the captured image may be displayed on the detection section. In addition, the input unit 5240 can be used to modify the captured image. Further, characters may be added to the photographed image. In addition, it may be sent to the internet. In addition, the camera has a function of changing the shooting condition according to the illuminance of the use environment. Thus, for example, the subject can be displayed on the digital camera so that the image can be appropriately seen even in an environment of outdoor light intensity on a clear day.

Example of configuration of data processing apparatus 9

For example, the other data processing apparatus may be controlled by using the other data processing apparatus as a slave (slave) and using the data processing apparatus of the present embodiment as a master (master) (see fig. 13E). Further, for example, a part of the image data may be displayed on the display portion 5230 and another part of the image data may be displayed on a display portion of another data processing apparatus. Further, an image signal may be supplied. Further, data written from an input unit of another data processing apparatus can be acquired using the communication unit 5290. Thus, for example, a portable personal computer can be used to utilize a larger display area.

Example of configuration of data processing apparatus 10

The data processing device includes, for example, a detection unit 5250 (see fig. 14A) for detecting acceleration or orientation. In addition, the detection portion 5250 can supply data of the position of the user or the direction in which the user is facing. The data processing device may generate the right-eye image data and the left-eye image data according to the position of the user or the direction in which the user is facing. The display unit 5230 includes a right-eye display region and a left-eye display region. Thus, for example, a virtual reality space image that can provide a realistic sensation can be displayed on the goggle type data processing device.

Example of configuration of data processing apparatus 11

The data processing device includes, for example, an imaging device and a detection unit 5250 (see fig. 14B) for detecting acceleration or orientation. In addition, the detection portion 5250 can supply data of the position of the user or the direction in which the user is facing. Further, the data processing device may generate image data according to the position of the user or the direction in which the user is facing. Thus, for example, data can be added to a real scene and displayed. In addition, the image of the augmented real space may be displayed on the glasses type data processing device.

Example of Structure of electronic device that can use display Panel

An example of an electronic device capable of using the display panel 700 is described with reference to fig. 15.

The display panel 700 can be mounted on a display portion of a TV device 7000 (television receiving device), a smart watch 7010, a smart phone 7020, a digital camera 7030, a glasses-type information terminal 7040, a notebook-type PC (personal computer) 7050, a PC7060, a game machine 7070, or the like.

By using the display panel 700 for the display portions of the TV device 7000, the smart watch 7010, the smartphone 7020, the digital camera 7030, the glasses-type information terminal 7040, the notebook-type PC7050, the PC7060, the game machine 7070, and the like, a high-definition image can be displayed. Thus, the user can see a realistic image.

Note that this embodiment mode can be combined with other embodiment modes shown in this specification as appropriate.

For example, in the present specification and the like, when it is explicitly described that "X is connected to Y", the following cases are disclosed in the present specification and the like: the case where X and Y are electrically connected; the case where X and Y are functionally linked; and X is directly linked to Y. Therefore, the connection relationship is not limited to a predetermined connection relationship such as the connection relationship shown in the drawings or the description, and a connection relationship other than the connection relationship shown in the drawings or the description is also disclosed in the drawings or the description.

Here, X and Y are objects (for example, devices, elements, circuits, wirings, electrodes, terminals, conductive films, layers, and the like).

Examples of the case where X and Y are directly connected include a case where an element capable of electrically connecting X and Y (for example, a switch, a transistor, a capacitor, an inductor, a resistor, a diode, a display element, a light-emitting element, a load, and the like) is not connected between X and Y, and a case where X and Y are not connected through an element capable of electrically connecting X and Y (for example, a switch, a transistor, a capacitor, an inductor, a resistor, a diode, a display element, a light-emitting element, a load, and the like).

As an example of the case where X and Y are electrically connected, one or more elements (for example, a switch, a transistor, a capacitor, an inductor, a resistor, a diode, a display element, a light-emitting element, a load, or the like) capable of electrically connecting X and Y may be connected between X and Y. In addition, the switch has the function of controlling opening and closing. In other words, the switch has a function of controlling whether or not to allow a current to flow by controlling the switch to be in a conductive state (on state) or a non-conductive state (off state). Alternatively, the switch has a function of selecting and switching a current path. In addition, the case where X and Y are electrically connected includes the case where X and Y are directly connected.

As an example of the case where X and Y are functionally connected, one or more circuits (for example, a logic circuit (an inverter, a NAND circuit, a NOR circuit, or the like), a signal conversion circuit (a DA conversion circuit, an AD conversion circuit, a γ (gamma) correction circuit, or the like), a potential level conversion circuit (a power supply circuit (a voltage boosting circuit, a voltage dropping circuit, or the like), a level converter circuit that changes a potential level of a signal, or the like), a voltage source, a current source, a switching circuit, an amplification circuit (a circuit that can increase a signal amplitude, a current amount, or the like, an operational amplifier, a differential amplification circuit, a source follower circuit, a buffer circuit, or the like), a signal generation circuit, a memory circuit, a control circuit, or the like) that can functionally connect X and Y may be connected between X and Y. Note that, for example, even if other circuits are interposed between X and Y, when a signal output from X is transmitted to Y, it can be said that X and Y are functionally connected. The case where X and Y are functionally connected includes the case where X and Y are directly connected and the case where X and Y are electrically connected.

In addition, when it is explicitly described that "X is electrically connected to Y", the following is disclosed in the present specification and the like: a case where X and Y are electrically connected (in other words, a case where X and Y are connected with another element or another circuit interposed therebetween); a case where X and Y are functionally connected (in other words, a case where X and Y are functionally connected with another circuit interposed therebetween); and X and Y are directly connected (in other words, X and Y are connected without interposing another element or another circuit). In other words, when explicitly described as "electrically connected", it means that the same contents as those explicitly described as "connected" only are included in the contents disclosed in this specification and the like.

Note that, for example, in the case where the source (or the first terminal or the like) of the transistor is electrically connected to X through Z1 (or not through Z1), the drain (or the second terminal or the like) of the transistor is electrically connected to Y through Z2 (or not through Z2), and in the case where the source (or the first terminal or the like) of the transistor is directly connected to a part of Z1, another part of Z1 is directly connected to X, the drain (or the second terminal or the like) of the transistor is directly connected to a part of Z2, and another part of Z2 is directly connected to Y, the following can be expressed.

For example, "X, Y, the source (or the first terminal, etc.) of the transistor, and the drain (or the second terminal, etc.) of the transistor are electrically connected to each other, and X, the source (or the first terminal, etc.) of the transistor, the drain (or the second terminal, etc.) of the transistor, and Y are electrically connected in this order". Alternatively, the expression "a source (or a first terminal or the like) of a transistor is electrically connected to X, a drain (or a second terminal or the like) of the transistor is electrically connected to Y, and X, the source (or the first terminal or the like) of the transistor, the drain (or the second terminal or the like) of the transistor, and Y are sequentially electrically connected" may be used. Alternatively, it can be said that "X is electrically connected to Y via a source (or a first terminal or the like) and a drain (or a second terminal or the like) of the transistor, and X, the source (or the first terminal or the like) of the transistor, the drain (or the second terminal or the like) of the transistor, and Y are provided to be connected to each other in this order". By defining the order of connection in the circuit configuration by using the same expression method as in this example, the source (or the first terminal or the like) and the drain (or the second terminal or the like) of the transistor can be distinguished from each other to determine the technical range.

In addition, as another expression method, for example, the "source (or a first terminal or the like) of the transistor is electrically connected to X at least through a first connection path which does not have a second connection path through the transistor between the source (or the first terminal or the like) of the transistor and the drain (or the second terminal or the like) of the transistor", the "first connection path" is a path through Z1, the "drain (or the second terminal or the like) of the transistor is electrically connected to Y at least through a third connection path which does not have the" second connection path ", and the" third connection path "is a path through Z2" may be expressed. Alternatively, the word "the source (or the first terminal or the like) of the transistor is electrically connected to X at least through Z1 on a first connection path having no second connection path having a connection path passing through the transistor, the drain (or the second terminal or the like) of the transistor is electrically connected to Y at least on a third connection path having no second connection path through Z2". Alternatively, the term "the source (or the first terminal or the like) of the transistor is electrically connected to X through Z1 via at least a first electrical path, the first electrical path does not have a second electrical path, the second electrical path is an electrical path from the source (or the first terminal or the like) of the transistor to the drain (or the second terminal or the like) of the transistor, the drain (or the second terminal or the like) of the transistor is electrically connected to Y through Z2 via at least a third electrical path, the third electrical path does not have a fourth electrical path, and the fourth electrical path is an electrical path from the drain (or the second terminal or the like) of the transistor to the source (or the first terminal or the like) of the transistor". By defining a connection path in a circuit configuration by using the same expression method as those of these examples, the source (or first terminal or the like) and the drain (or second terminal or the like) of the transistor can be distinguished to determine the technical range.

Note that this expression method is an example, and is not limited to the above expression method. Here, X, Y, Z1 and Z2 are objects (e.g., devices, elements, circuits, wirings, electrodes, terminals, conductive films, layers, and the like).

Even if the circuit diagram shows that the individual components are electrically connected to each other, one component may have a function of a plurality of components. For example, when a part of the wiring is used as an electrode, one conductive film functions as both the wiring and the electrode. Therefore, the term "electrically connected" in the present specification also includes a case where one conductive film has a function of a plurality of components.

[ description of symbols ]

And (3) ANO: conductive film, BM: light shielding film, CC: color conversion layer, CI: control data, DS: detection data, G1: scan line, GCLK: signal, II: input data, IND: index image, NP: guide panel, P1: position data, PWC 1: signal, PWC 2: signal, S1: signal line, SP: control signal, TN: thumbnail image, VI: image information, V11: data, VCOM 2: conductive film, 103 a: light-emitting unit, 103 b: light-emitting unit, 104: intermediate layer, 111: layer, 112: layer, 113: layer, 114: layer, 200: data processing apparatus, 210: arithmetic device, 211: calculation unit, 212: storage unit, 213: artificial intelligence unit, 214: transmission channel, 215: input/output interface, 220: input/output device, 230: display unit, 231: display area, 233: control circuit, 234: decompression circuit, 235: image processing circuit, 238: control unit, 240: input unit, 241: detection area, 248: control unit, 250: detection unit, 290: communication unit, 400: molecular weight, 501C: insulating film, 501D: insulating film, 504: conductive film, 506: insulating film, 508: semiconductor film, 508A: region, 508B: region, 508C: region, 510: base material, 512A: conductive film, 512B: conductive film, 516: insulating film, 518: insulating film, 519B: terminal, 520: functional layer, 521: insulating film, 524: conductive film, 528: insulating film, 530: pixel circuit, 550: display element, 551: electrode, 552: electrode, 553: layer, 573: insulating film, 573A: insulating film, 573B: insulating film, 574: sealing film, 574A: resin, 574B: membrane, 591A: opening, 700: display panel, 700 TP: input/output panel, 702: pixel, 703: pixel, 705: sealant, 770: substrate, 770P: functional film, 802: detector, 5200B: data processing device, 5210: arithmetic device, 5220: input/output device, 5230: display unit, 5240: input unit, 5250: detection unit, 5290: communication unit, 7000: TV apparatus, 7010: smart watch, 7020: smart phone, 7030: digital camera, 7040: glasses type information terminal, 7050: PC, 7060: PC, 7070: a game machine.