阅读说明：本技术 显示装置及显示装置的制作方法 (Display device and manufacturing method thereof ) 是由 郑自可 于 2020-05-12 设计创作，主要内容包括：本揭示提供一种显示装置及显示装置的制作方法,所述显示装置的制作方法包括：提供显示面板,显示面板包括相对设置的阵列基板和彩膜基板,显示面板还包括显示区、外界光透射区以及围绕所述外界光透射区的非透光区,在阵列基板远离彩膜基板一侧的与非透光区对应的位置处用丝网印刷的方法涂布遮光材料；将下偏光片贴合于阵列基板远离彩膜基板的一侧；将背光模组贴合于所述下偏光片远离阵列基板的一侧,使得遮光材料涂布闭合且均匀,以此改善点胶涂布导致的摄像孔变形以及漏光的现象。(The present disclosure provides a display device and a method of manufacturing the display device, the method of manufacturing the display device including: providing a display panel, wherein the display panel comprises an array substrate and a color film substrate which are oppositely arranged, the display panel also comprises a display area, an external light transmission area and a non-light transmission area surrounding the external light transmission area, and a shading material is coated at the position, corresponding to the non-light transmission area, of one side, far away from the color film substrate, of the array substrate by a screen printing method; attaching the lower polarizer to one side of the array substrate, which is far away from the color film substrate; the backlight module is attached to one side, far away from the array substrate, of the lower polarizer, so that the light shielding material is coated in a closed and uniform mode, and the phenomena of deformation of a camera hole and light leakage caused by glue dispensing coating are improved.)

1. A method for manufacturing a display device, comprising:

providing a display panel, wherein the display panel comprises an array substrate and a color film substrate which are arranged oppositely, the display panel also comprises a display area, an external light transmission area and a non-light transmission area surrounding the external light transmission area, and a shading material is coated at the position, corresponding to the non-light transmission area, of one side, far away from the color film substrate, of the array substrate by a screen printing method;

attaching a lower polarizer to one side of the array substrate, which is far away from the color film substrate; and

and attaching a backlight module to one side of the lower polarizer, which is far away from the array substrate.

2. The method of manufacturing a display device according to claim 1, further comprising: and before the lower polarizer is attached, checking the coating effect of the shading material, and if the shading material overflows to the outer side of the non-light-transmitting area, removing the shading material and coating again.

3. The method of manufacturing a display device according to claim 1, wherein the external light transmission region is circular, and a through hole having a circular cross-sectional shape is provided in the lower polarized light, the through hole being provided coaxially with the external light transmission region.

4. The method of claim 3, wherein the step of attaching the lower polarizer comprises:

acquiring the position of the axis of the external light transmission area through a camera device;

aligning the position of the axis of the lower polarizer through hole with the axis of the ambient light transmission zone;

and attaching the lower polarizer to one side of the array substrate, which is far away from the color film substrate.

5. The method of manufacturing a display device according to claim 4, further comprising: and attaching an upper polaroid to one side of the color film substrate, which is far away from the lower polaroid, and attaching a cover plate to one side of the upper polaroid, which is far away from the color film substrate.

6. The method of manufacturing a display device according to claim 5, wherein the upper polarizer is provided with a through hole, and an orthographic projection area of the through hole of the upper polarizer on the array substrate coincides with an orthographic projection area of the through hole of the lower polarizer on the array substrate.

7. The method of claim 3, wherein the opaque region is annular and the size of the through hole of the bottom polarizer is larger than the size of the opaque region.

8. The method of claim 7, wherein the outer diameter of the opaque region is between 1.8mm and 2.2 mm.

9. The method of claim 8, wherein the diameter of the inner circle of the opaque region is between 1.3mm and 1.7 mm.

10. A display device, comprising:

the display panel comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are arranged oppositely, the liquid crystal layer is arranged between the array substrate and the color film substrate, the display panel also comprises a display area, an external light transmission area and a non-light transmission area surrounding the external light transmission area, and a shading material is arranged at a position, corresponding to the non-light transmission area, on one side of the array substrate, away from the color film substrate;

the lower polarizer is attached to one side of the array substrate, which is far away from the color film substrate; and

the backlight module is attached to one side, away from the array substrate, of the lower polarizer;

the external light transmission area is circular, a through hole with a circular cross section is arranged on the lower polarizer, and the through hole and the external light transmission area are coaxially arranged.

Technical Field

The invention relates to the technical field of display, in particular to a display device and a manufacturing method of the display device.

Background

With the development of display technologies, people have a higher pursuit for a full-screen, and the full-screen technology with high screen occupation ratio, larger effective display area and more brilliant display effect gradually becomes the mainstream. After bang screen and water droplet screen, release again on the market and dig the hole screen, realize comprehensive screen display effect through the design of trompil in the display panel face promptly, when keeping the complete visual effect of fuselage, can settle leading camera lens and other sensitization components and parts better.

In the design of the inner blind hole of the existing display panel, when the polaroid and the display panel are assembled, the shading material is coated at the opening of the polaroid, however, due to the reasons of insufficient coating precision, irregular dispensing and the like, the shading material is easily coated on the external light transmission area of the display panel, so that the camera shooting hole is deformed, or the coated shading material is not closed, and the bad phenomena of light leakage and the like of the inner blind hole of the display panel are caused.

Disclosure of Invention

The embodiment of the disclosure provides a display device and a manufacturing method of the display device, which are used for solving the problems of deformation of a camera hole or light leakage caused by insufficient coating precision and irregular dispensing in the existing display panel manufacturing process.

The embodiment of the disclosure provides a manufacturing method of a display device, which includes:

providing a display panel, wherein the display panel comprises an array substrate and a color film substrate which are arranged oppositely, the display panel also comprises a display area, an external light transmission area and a non-light transmission area surrounding the external light transmission area, and a shading material is coated at the position, corresponding to the non-light transmission area, of one side, far away from the color film substrate, of the array substrate by a screen printing method;

attaching a lower polarizer to one side of the array substrate, which is far away from the color film substrate; and

and attaching a backlight module to one side of the lower polarizer, which is far away from the array substrate.

According to an embodiment of the present disclosure, the method further comprises: and before the lower polarizer is attached, checking the coating effect of the shading material, and if the shading material overflows to the outer side of the non-light-transmitting area, removing the shading material and coating again.

According to an embodiment of the present disclosure, the external light transmission region has a circular cross-sectional shape, and the lower polarized light is provided with a through hole having a circular cross-sectional shape, the through hole being disposed coaxially with the external light transmission region.

According to an embodiment of the present disclosure, the step of attaching the lower polarizer includes:

acquiring the position of the axis of the external light transmission area through a camera device;

aligning the position of the axis of the lower polarizer through hole with the axis of the ambient light transmission zone;

and attaching the lower polarizer to one side of the array substrate, which is far away from the color film substrate.

According to an embodiment of the present disclosure, the method further comprises: and attaching an upper polaroid to one side of the color film substrate, which is far away from the lower polaroid, and attaching a cover plate to one side of the upper polaroid, which is far away from the color film.

According to an embodiment of the present disclosure, the upper polarizer is provided with a through hole, and an orthogonal projection area of the through hole of the upper polarizer on the array substrate coincides with an orthogonal projection area of the through hole of the lower polarizer on the array substrate.

According to an embodiment of the present disclosure, the opaque region is annular, and a size of the through hole of the lower polarizer is larger than a size of the opaque region.

According to an embodiment of the present disclosure, the outer diameter of the opaque region ranges from 1.8mm to 2.2 mm.

According to an embodiment of the present disclosure, a diameter of the inner ring of the opaque region ranges from 1.3mm to 1.7 mm.

The embodiment of the present disclosure further provides a display device, including:

the display panel comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are arranged oppositely, the liquid crystal layer is arranged between the array substrate and the color film substrate, the display panel also comprises a display area, an external light transmission area and a non-light transmission area surrounding the external light transmission area, and a shading material is arranged on one side of the array substrate, which is far away from the color film substrate, and the non-light transmission area;

the lower polarizer is attached to one side of the array substrate, which is far away from the color film substrate; and

the backlight module is attached to one side, away from the array substrate, of the lower polarizer;

the external light transmission area is circular, a through hole with a circular cross section is arranged on the lower polarizer, and the through hole and the external light transmission area are coaxially arranged.

The beneficial effects of the disclosed embodiment are as follows: according to the embodiment of the invention, the shading material is coated at the position, corresponding to the non-light-transmitting area, of the side, away from the color film substrate, of the array substrate through a screen printing method, and then the lower polarizer is attached to the side, away from the color film substrate, of the array substrate, so that the shading material is coated in a closed and uniform manner, and the phenomena of deformation of a camera hole and light leakage caused by dispensing coating are improved.

Drawings

In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some of the disclosed embodiments, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic flow chart illustrating a method for manufacturing a display device according to an embodiment of the disclosure;

FIG. 2 is a schematic plan view of a display device;

FIG. 3 is a schematic cross-sectional view taken along A-A of the display device of FIG. 2;

FIG. 4 is a schematic plan view of a display panel;

fig. 5 is a schematic plan view of a side of the array substrate away from the color filter substrate.

Detailed Description

The following description of the various embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the disclosure may be practiced. Directional phrases used in this disclosure, such as [ upper ], [ lower ], [ front ], [ back ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., refer only to the directions of the attached drawings. Accordingly, the directional terms used are used for the purpose of illustration and understanding of the present disclosure, and are not used to limit the present disclosure. In the drawings, elements having similar structures are denoted by the same reference numerals.

The present disclosure is further described with reference to the following drawings and detailed description.

Fig. 1 is a flowchart illustrating a manufacturing method of a display device according to an embodiment of the present disclosure, fig. 2 is a schematic plan view illustrating the display device, fig. 3 is a schematic cross-sectional structure along a-a direction of the display device in fig. 2, fig. 4 is a schematic plan view illustrating a display panel, and fig. 5 is a schematic plan view illustrating a side of an array substrate away from a color filter substrate.

As shown in fig. 1, a method for manufacturing a display device according to an embodiment of the present disclosure includes:

step S10: providing a display panel 10, wherein the display panel 10 comprises an array substrate 101 and a color filter substrate 102 which are oppositely arranged, and a liquid crystal layer 103 arranged between the array substrate 101 and the color filter substrate 102, the display panel 10 further comprises a display area 104, an external light transmission area 105 and a non-light-transmitting area 106 surrounding the external light transmission area 105, and a light shielding material 107 is coated on the non-light-transmitting area 106 by a screen printing method;

step S20: attaching a lower polarizer 11 to one side of the array substrate 101, which is far away from the color film substrate 102; and

step S30: attaching the backlight module 12 to a side of the lower polarizer 11 away from the array substrate 101.

Specifically, in step S10, the display panel 10 includes a color filter substrate 102, an array substrate 101, and a liquid crystal layer 103 located between the color filter substrate 102 and the array substrate 101, where the color filter substrate 102 and the array substrate 101 are arranged oppositely, a display area 104 of the display panel 10 is used for performing a display function, and the display panel 10 further includes a non-display area located around the display area 104. The external light-transmitting area 105 of the display panel 10 is used to provide a path for external light to enter the built-in camera under the screen of the display panel 10, and the non-light-transmitting area 106 is used to coat the light-shielding material to shield the openings of the lower polarizer 11 and the backlight module 12, so as to prevent light leakage.

In the embodiment of the present disclosure, the light shielding material 107 is black ink. In some embodiments, the light shielding material 107 may also be other light shielding materials such as light shielding glue, and the same light shielding effect as that of the black ink can also be achieved, which is not limited herein.

The process of coating the light shielding material in step S10 specifically includes: step S101: aligning the hollow pattern of the screen printing device with the non-light-transmitting area 106 of the display panel 10; step S102: placing a shading material on a screen plate of a screen printing device, and coating the shading material from one side to the other side of the screen plate along the horizontal direction by using a scraper. Thereby completing the coating of the light-shielding material.

In the embodiment of the disclosure, the color filter substrate 102 and the array substrate 103 on two sides of the display panel 10 are not provided with openings, so as to ensure the integrity of the display panel 10. In some embodiments, the display panel 10 may also adopt a hole-digging structure, and the method for manufacturing the display panel provided in the embodiments of the present disclosure is also applicable, and is not limited herein.

In the embodiment of the present disclosure, the external light transmission region 105 is circular, the lower polarizer 11 is provided with a first through hole 111 having a cross-sectional shape along the plane direction of the display panel 10, the first through hole 111 is coaxial with the external light transmission region 105, and the first through hole 111 is used for providing a path for the external light to pass through. The non-transmission region 106 is annular, and as shown in fig. 5, the size of the first through hole 111 of the lower polarizer 11 is larger than that of the non-transmission region 106. Of course, in some embodiments, the ambient light transmissive region 105 may be disposed in any other shape as required, and may also be disposed in the upper left corner of the display panel shown in fig. 2, or in any other position of the display panel, which is not limited herein.

Specifically, the outer diameter of the non-light-transmitting area 106 is 1.8mm to 2.2mm, the inner diameter of the non-light-transmitting area 106 is 1.3mm to 1.7mm, and the diameter of the first through hole 111 is larger than the outer diameter of the non-light-transmitting area 106.

Further, in step S20, the step of attaching the lower polarizer 11 includes: step S201: acquiring the position of the axis of the ambient light transmission 102 through a camera device; step S202: aligning the axis of the first through hole 111 of the lower polarizer 11 with the position of the axis of the external light-transmitting zone 105; step S203: and attaching the lower polarized light 11 to one side of the array substrate 101 away from the color film substrate 102. Therefore, the first through hole 111 of the lower polarizer 11 is ensured to be coaxially aligned with the external light transmission area 105, and light leakage of the first through hole 111 and positional deviation of the camera are prevented.

In the embodiment of the present disclosure, before the polarizing plate 11 is attached in step S20, the coating effect of the light shielding material may be checked, and if the light shielding material overflows to the outside of the non-light-transmitting region 106, the light shielding material may be removed, and the process of screen printing and coating the light shielding material in step S10 may be performed again to ensure the completeness and uniformity of the coating of the light shielding material, so as to prevent the phenomenon of light leakage caused by the deformation of the camera hole or the unclosed light shielding material due to the overflow of the light shielding material to the external light-transmitting region 105. In addition, before the lower polarizer 11 is attached, the coating and the inspection of the shading material can also be carried out on the defects in time, so that the damage to the lower polarizer 11 is reduced, and the maintenance difficulty and the production cost are reduced.

In the embodiment of the present disclosure, in step S30, the backlight module 12 is attached to the side of the lower polarizer 11 away from the array substrate 101, and the backlight module 12 is also provided with the second through hole 121 for providing a light propagation path and preventing a camera, so that the attaching method of the backlight module 12 may be the same as the step of attaching the lower polarizer 11, and is not repeated here.

In the embodiment of the disclosure, after the backlight module 12 is attached, the upper polarizer 13 may be attached to one side of the color film substrate 102 away from the lower polarizer 11, and then the cover plate 14 may be attached to one side of the upper polarizer 13 away from the color film substrate 102. As shown in fig. 3, the upper polarizer 13 is provided with a third through hole 131, an orthographic projection area of the third through hole 131 on the array substrate 101 coincides with an orthographic projection area of the first through hole 111 of the lower polarizer 11 on the array substrate 101, and a method of attaching the third through hole 131 is substantially the same as that of attaching the lower polarizer 11, and details thereof are omitted here.

The beneficial effects of the disclosed embodiment are as follows: according to the manufacturing method of the display device, the position, corresponding to the non-light-transmitting area, of the side, away from the color film substrate, of the array substrate is coated with the light shielding material through the screen printing method, and then the lower polarizer is attached to the side, coated with the light shielding material, of the array substrate, so that the light shielding material is coated in a closed and uniform mode, and the phenomena of deformation of a camera hole and light leakage caused by dispensing coating are improved.

The embodiment of the present disclosure further provides a display device, which is described in detail below with reference to fig. 2 to 5. The display device includes a display panel 10, a lower polarizer 11, a backlight module 12, an upper polarizer 13 and a cover plate 14.

Specifically, the display panel 10 includes an array substrate 101, a color filter substrate 102 and a liquid crystal layer 103 disposed between the array substrate 101 and the color filter substrate 102, the display panel 10 further includes a display area 104, an external light transmission area 105 and a non-light-transmission area 106 surrounding the external light transmission area 105, the non-light-transmission area 106 is provided with a light-shielding material 107, the lower polarizer 11 is attached to one side of the array substrate 101 away from the color filter substrate 102, the upper polarizer 13 is attached to one side of the color filter substrate away from the lower polarizer 11, and the backlight module 12 is attached to one side of the lower polarizer 11 away from the array substrate 101.

In the embodiment of the present disclosure, the external light transmission region 105 is circular, the circular through holes having the same cross-sectional shape as the external light transmission region 105 are formed in the lower polarizer 11 and the upper polarizer 13, the circular through holes are coaxially disposed with the external light transmission region 105, and the circular through holes are also coaxially disposed with the external light transmission region 105 and are formed in the backlight module 12 for placing the camera module and providing a path for external light to pass through. By coating the shading material at the position, corresponding to the non-light-transmitting area 106, of the side, away from the color film substrate 102, of the array substrate 101 by adopting a screen printing method, the shading material is coated, closed and uniformly distributed, so that the problems of deformation of a camera hole and light leakage of an external light-transmitting area are solved.

In summary, although the present disclosure has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present disclosure, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, so that the scope of the present disclosure is defined by the appended claims.