Display panel
阅读说明:本技术 一种显示面板 (Display panel ) 是由 许传志 谢正芳 张露 吴勇 于 2020-07-30 设计创作,主要内容包括:本发明实施方式涉及显示技术领域,公开了一种显示面板,包括:位于所述非显示区的电源信号走线;所述电源信号走线包括:用于连接所述像素单元的主体走线部、分别位于所述主体走线部两端的第一走线部和第二走线部,以及第三走线部,所述第三走线部一端电连接所述主体走线部,另一端用于接入第三电源电压信号;其中,所述第三走线部与所述主体走线部的连接点,位于所述第一走线部与所述主体走线部的连接点和所述第二走线部与所述主体走线部的连接点之间。能够提升显示面板电源电压的均一性,改善显示面板的显示效果。(The embodiment of the invention relates to the technical field of display, and discloses a display panel, which comprises: the power supply signal routing is positioned in the non-display area; the power signal routing includes: the pixel unit comprises a main body routing part, a first routing part, a second routing part and a third routing part, wherein the main body routing part is used for connecting the pixel unit, the first routing part and the second routing part are respectively positioned at two ends of the main body routing part, one end of the third routing part is electrically connected with the main body routing part, and the other end of the third routing part is used for accessing a third power supply voltage signal; wherein a connection point of the third routing portion with the body routing portion is located between a connection point of the first routing portion with the body routing portion and a connection point of the second routing portion with the body routing portion. The uniformity of the power supply voltage of the display panel can be improved, and the display effect of the display panel is improved.)
1. A display panel, comprising: the display device comprises a display area, a non-display area surrounding the display area, and a power signal wire positioned in the non-display area; the power supply signal routing is used for providing power supply voltage signals for the pixel units of the display area;
the power signal routing includes: the main body routing part is used for connecting the pixel units, and the first routing part and the second routing part are respectively positioned at two ends of the main body routing part, and the routing directions of the first routing part and the second routing part are different from the routing direction of the main body routing part;
one end of the first wiring part is electrically connected with the main body wiring part, and the other end of the first wiring part is used for accessing a first power supply voltage signal;
one end of the second wiring part is electrically connected with the main body wiring part, and the other end of the second wiring part is used for accessing a second power supply voltage signal;
the power signal routing further comprises: one end of the third wiring part is electrically connected with the main body wiring part, and the other end of the third wiring part is used for accessing a third power supply voltage signal; wherein a connection point of the third routing portion with the body routing portion is located between a connection point of the first routing portion with the body routing portion and a connection point of the second routing portion with the body routing portion.
2. The display panel of claim 1, wherein a connection point of the first routing portion to the body routing portion and a connection point of the third routing portion to the body routing portion are a first distance apart;
a second distance is kept between the connection point of the second routing part and the main body routing part and the connection point of the third routing part and the main body routing part;
a ratio of the first distance to the second distance is between 3/7 and 7/3;
preferably, the first distance and the second distance are the same.
3. The display panel of claim 1, wherein the power signal trace further comprises: a connecting portion; the other end of the third wire routing part is connected with the first wire routing part and/or the second wire routing part through the connecting part.
4. The display panel according to claim 3, characterized in that the display panel further comprises: a first power supply pad, a second power supply pad, and a third power supply pad positioned in the non-display area; the third power supply pad is located between the first power supply pad and the second power supply pad;
the other end of the first wire routing part is electrically connected with the first power supply pad, and the other end of the second wire routing part is electrically connected with the second power supply pad;
the other end of the third wire routing part is also electrically connected with the third power supply pad.
5. The display panel according to claim 1, characterized in that the display panel further comprises: a first power supply pad, a second power supply pad, and a third power supply pad positioned in the non-display area; the third power supply pad is located between the first power supply pad and the second power supply pad;
the other end of the first wire routing part is electrically connected with the first power supply pad, and the other end of the second wire routing part is electrically connected with the second power supply pad;
the other end of the third wire routing part is electrically connected with the third power supply pad.
6. The display panel according to claim 5, characterized in that the display panel further comprises: a fourth power supply pad between the first power supply pad and the second power supply pad;
the other end of the third wire routing part is also electrically connected with the fourth power supply pad.
7. The display panel according to claim 1, wherein the third wire portion is provided in plurality.
8. The display panel of claim 7, wherein the power signal trace further comprises: a connecting portion; the other ends of the plurality of third wire routing parts are electrically connected to the first wire routing parts and/or the second wire routing parts through the same connecting part.
9. The display panel according to claim 8, characterized in that the display panel further comprises: a first power supply pad, a second power supply pad, and a plurality of fifth power supply pads located in the non-display area; the fifth power supply pad is located between the first power supply pad and the second power supply pad;
the other end of the first wire routing part is electrically connected with the first power supply pad, and the other end of the second wire routing part is electrically connected with the second power supply pad;
the other end of at least part of the third routing parts is also connected with the fifth power supply pad, wherein each of the third routing parts in the at least part of the third routing parts is correspondingly connected with one fifth power supply pad.
10. The display panel according to claim 1, characterized in that the display panel further comprises: the first routing part and the second routing part are positioned on two sides of the chip bonding pad area; the main body wiring part is positioned between the display area and the chip bonding pad area;
the third wiring part penetrates through the chip bonding pad area and is connected with the main body wiring part.
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display panel.
Background
In recent years, Organic Light-Emitting diodes (OLEDs) have become very popular flat display products at home and abroad because OLED displays have the characteristics of self-luminescence, wide viewing angle, short reaction time, high luminous efficiency, wide color gamut, low operating voltage, thin panel, large-sized and bendable panel, simple manufacturing process, and the like, and also have the potential of low cost.
However, the inventors found that at least the following problems exist in the prior art: in the OLED display panel, the power signal wires are connected to the screen body on two sides of the lower frame of the power signal wires, and the power voltage of the area close to the power supply position of the power signal is higher than that of the area far away from the power supply position, which is called power voltage Drop (IR Drop), and the IR Drop can cause current difference of different areas of the display panel and influence the display effect of the display panel.
Disclosure of Invention
Embodiments of the present invention provide a display panel, which improves the uniformity of the power voltage of the display panel and improves the display effect of the display panel.
To solve the above technical problem, an embodiment of the present invention provides a display panel including: the display device comprises a display area, a non-display area surrounding the display area, and a power signal wire positioned in the non-display area; the power supply signal routing is used for providing power supply voltage signals for the pixel units of the display area; the power signal routing includes: the main body routing part is used for connecting the pixel units, and the first routing part and the second routing part are respectively positioned at two ends of the main body routing part, and the routing directions of the first routing part and the second routing part are different from the routing direction of the main body routing part; one end of the first wiring part is electrically connected with the main body wiring part, and the other end of the first wiring part is used for accessing a first power supply voltage signal; one end of the second wiring part is electrically connected with the main body wiring part, and the other end of the second wiring part is used for accessing a second power supply voltage signal; the power signal routing further comprises: one end of the third wiring part is electrically connected with the main body wiring part, and the other end of the third wiring part is used for accessing a third power supply voltage signal; wherein a connection point of the third routing portion with the body routing portion is located between a connection point of the first routing portion with the body routing portion and a connection point of the second routing portion with the body routing portion.
In addition, a first distance is kept between a connecting point of the first routing part and the main body routing part and a connecting point of the third routing part and the main body routing part; a second distance is kept between the connection point of the second routing part and the main body routing part and the connection point of the third routing part and the main body routing part; a ratio of the first distance to the second distance is between 3/7 and 7/3;
preferably, the first distance and the second distance are the same.
In addition, the power signal routing further comprises: a connecting portion; the other end of the third wire routing part is connected with the first wire routing part and/or the second wire routing part through the connecting part.
In addition, the display panel further includes: a first power supply pad, a second power supply pad, and a third power supply pad positioned in the non-display area; the third power supply pad is located between the first power supply pad and the second power supply pad; the other end of the first wire routing part is electrically connected with the first power supply pad, and the other end of the second wire routing part is electrically connected with the second power supply pad; the other end of the third wire routing part is also electrically connected with the third power supply pad.
In addition, the display panel further includes: a first power supply pad, a second power supply pad, and a third power supply pad positioned in the non-display area; the third power supply pad is located between the first power supply pad and the second power supply pad; the other end of the first wire routing part is electrically connected with the first power supply pad, and the other end of the second wire routing part is electrically connected with the second power supply pad; the other end of the third wire routing part is electrically connected with the third power supply pad.
In addition, the display panel further includes: a fourth power supply pad between the first power supply pad and the second power supply pad; the other end of the third wire routing part is also electrically connected with the fourth power supply pad.
In addition, the third routing portion is provided with a plurality of.
In addition, the power signal routing further comprises: a connecting portion; the other ends of the plurality of third wire routing parts are electrically connected to the first wire routing parts and/or the second wire routing parts through the same connecting part.
In addition, the display panel further includes: a first power supply pad, a second power supply pad, and a plurality of fifth power supply pads located in the non-display area; the fifth power supply pad is located between the first power supply pad and the second power supply pad; the other end of the first wire routing part is electrically connected with the first power supply pad, and the other end of the second wire routing part is electrically connected with the second power supply pad; the other end of at least part of the third routing parts is also connected with the fifth power supply pad, wherein each of the third routing parts in the at least part of the third routing parts is correspondingly connected with one fifth power supply pad.
In addition, the display panel further includes: the first routing part and the second routing part are positioned on two sides of the chip bonding pad area; the main body wiring part is positioned between the display area and the chip bonding pad area; the third wiring part penetrates through the chip bonding pad area and is connected with the main body wiring part.
Compared with the prior art, the embodiment of the invention provides a display panel, which comprises: the display device comprises a display area, a non-display area surrounding the display area and power signal wiring positioned in the non-display area; the power supply signal wiring is used for providing power supply voltage signals for the pixel units of the display area; the power signal routing includes: the pixel unit comprises a main body routing part used for connecting the pixel units, a first routing part and a second routing part which are respectively positioned at two ends of the main body routing part, wherein the routing directions of the first routing part and the second routing part are different from the routing direction of the main body routing part; one end of the first wiring part is electrically connected with the main body wiring part, and the other end of the first wiring part is used for accessing a first power supply voltage signal; one end of the second wiring part is electrically connected with the main body wiring part, and the other end of the second wiring part is used for accessing a second power supply voltage signal; the power signal routing further comprises: one end of the third wiring part is electrically connected with the main body wiring part, and the other end of the third wiring part is used for accessing a third power supply voltage signal; wherein a connection point of the third routing portion and the main body routing portion is located between a connection point of the first routing portion and the main body routing portion and a connection point of the second routing portion and the main body routing portion. The first wire routing part and the second wire routing part are used for providing power supply voltage signals, and the first power supply voltage signals and the second power supply voltage signals are input to the two ends of the main body wire routing part, so that the power supply voltage signals are provided for the pixel units of the display area; because the main body routing part providing a power supply voltage signal for the display area is connected with the pixel unit and has a larger load, the power supply voltage close to two ends of the main body routing part is higher than the power supply voltage at the middle position of the main body routing part, so that the current difference of different areas of the display panel can be caused, and the display effect of the display panel is influenced; the power signal routing in this embodiment further includes: and the third wire routing part is positioned between the connection point of the first wire routing part and the main body wire routing part and the connection point of the second wire routing part and the main body wire routing part, namely, a third power supply voltage signal is input from the middle part of the main body wire routing part, so that the difference between the voltage at two ends of the main body wire routing part and the voltage at the middle part of the main body wire routing part can be reduced, the uniformity of the power supply voltage in the display panel is improved, and the display effect of the display panel is improved.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present invention;
fig. 2 is another structural schematic diagram of a display panel according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a display panel according to a second embodiment of the present invention;
fig. 4 is another structural schematic diagram of a display panel according to a second embodiment of the present invention;
FIG. 5 is a schematic diagram of a display panel according to a third embodiment of the present invention;
fig. 6 is another schematic structural diagram of a display panel according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display panel according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a display panel, and a schematic structural view of the display panel in this embodiment is shown in fig. 1 and 2, and includes: the display device comprises a
The power signal routing includes: the pixel structure comprises a main body
Specifically, a first
The power signal routing further comprises: one end of the third
The power signal routing in this embodiment further includes: since the
It is worth mentioning that the display panel further includes: a chip
Specifically, as shown in fig. 1, the display panel further includes: a
As shown in fig. 1, the main body
Further, a first distance is provided between a connection point of the
Preferably, the first distance and the second distance are the same. The
Further, the power signal routing further comprises: a connecting portion; the other end of the third
Specifically, the connection portion is located in a gap between the chip signal input pad group and the chip signal output pad group. In one implementation, the other end of the third
In another implementation manner, the other end of the third
In still another implementation manner, as shown in fig. 1, the other end of the third
Further, as shown in fig. 2, the display panel further includes: a first
Specifically, the first
It should be noted that, in the present embodiment, the main
Compared with the prior art, the embodiment of the invention provides a display panel, wherein a first wire walking part 11 and a second wire walking part 12 for providing a power supply voltage signal are arranged at two ends of a main body wire walking part 10, and the first wire walking part 11 and the second wire walking part 12 input the first power supply voltage signal and the second power supply voltage signal to two ends of the main body wire walking part 10 so as to provide the power supply voltage signal for pixel units of a display area 01; because the main body wire routing part 10 providing a power supply voltage signal for the display area 01 is connected with the pixel unit, and the load is larger, the power supply voltage close to two ends of the main body wire routing part 10 is higher than the power supply voltage at the middle position of the main body wire routing part 10, which can cause the current difference of different areas of the display panel and influence the display effect of the display panel; the power signal routing in this embodiment further includes: since the third routing portion 13 is located between the connection point of the third routing portion 13 and the main body routing portion 10 and the connection point of the second routing portion 12 and the main body routing portion 10, that is, a third power supply voltage signal is input from the middle portion of the main body routing portion 10, the difference between the voltage at both ends of the main body routing portion 10 and the voltage at the middle portion of the main body routing portion 10 can be reduced, the uniformity of the power supply voltage in the display panel can be improved, and the display effect of the display panel can be improved.
A second embodiment of the present invention relates to a display panel, and a schematic configuration diagram of the present embodiment is shown in fig. 3, and the second embodiment is substantially the same as the first embodiment except that the other end of the
Fig. 3 shows a schematic structural diagram of the present embodiment, and the display panel further includes: a first
Specifically, the first
Further, as shown in fig. 4, the display panel further includes: a fourth power supply pad 24 between the first
Specifically, the fourth power supply pad 24 is provided by a pad of the
Preferably, in this scheme, the lengths of the traces from the third power source pad 23 to the
Compared with the prior art, the display panel provided in the embodiment of the invention provides another structural style of the
A third embodiment of the present invention relates to a display panel, and a schematic structural view of the display panel in this embodiment is shown in fig. 5 to 7, and the third embodiment is an improvement of the first embodiment, and is mainly improved in that a plurality of
The plurality of
Preferably, the power signal trace further includes: a connecting portion; the other ends of the plurality of third wire traces 13 are electrically connected to the first wire traces 11 and/or the second wire traces 12 through the same connecting portion.
Specifically, in one implementation, the other ends of the plurality of third wire traces 13 are connected to the
In another implementation manner, the other ends of the plurality of third
In still another implementation, as shown in fig. 5, the other ends of the plurality of third wire traces 13 are connected to the
In the present embodiment, three structural patterns in which the plurality of
In addition, as shown in fig. 6, the display panel further includes: a first
Specifically, the first
It is worth noting that as shown in fig. 7, the other end of each
Compared with the prior art, the embodiment of the invention provides the display panel, the plurality of third
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
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