Display panel and display device

Patent metadata

Field	Value
Publication number	US-11569326-B2
Application number	US-201916591261-A
Country	US
Kind code	B2
Filing date	Oct 2, 2019
Priority date	Apr 29, 2019
Publication date	Jan 31, 2023
Grant date	Jan 31, 2023

Abstract

Disclosed are a display panel and display device. The display panel includes: a sensor setting area and a display area around the sensor setting area, where the sensor setting area includes at least one photosensitive element setting area and each of the at least one photosensitive element setting area is the same.

First claim

What is claimed is:

1. A display panel, comprising:
a sensor setting area and a display area around the sensor setting area;
wherein the sensor setting area comprises photosensitive element setting areas, and each of the photosensitive element setting areas has a same light transmittance;
wherein the sensor setting areas further comprises an auxiliary display area; and
wherein the display area is provided with first light-emitting units, and the auxiliary display area is provided with second light-emitting units;
wherein the display panel further comprises: a touch electrode layer;
wherein the touch electrode layer comprises a plurality of sub-touch electrodes, and each of the plurality of sub-touch electrodes is provided with a hollow pattern in the sensor setting area; and at least part of the photosensitive element setting areas are disposed within a hollow area of the hollow pattern.

2. The display panel of claim 1 , wherein each of the photosensitive element setting areas has a same film layer parameter.

3. The display panel of claim 1 , wherein both the first light-emitting units and the second light-emitting units are organic light-emitting units; and
wherein an arrangement density of the first light-emitting units in the display area is greater than an arrangement density of the second light-emitting units in the sensor setting area.

4. The display panel of claim 1 , wherein the first light-emitting units are organic light-emitting units, and the second light-emitting units are micro-LEDs; and
wherein an arrangement density of the first light-emitting units in the display area is equal to an arrangement density of the second light-emitting units in the sensor setting area.

5. The display panel of claim 1 , wherein at least part of the photosensitive element setting areas are further disposed within an interval between adjacent sub-touch electrodes.

6. The display panel of claim 1 , wherein vertical projections of the plurality of sub-touch electrodes on a first base substrate are all located within the auxiliary display area; and
wherein a gap between adjacent sub-touch electrodes is disposed in an area in which no second light-emitting unit is disposed in the auxiliary display area.

7. The display panel of claim 1 , wherein the auxiliary display area is covered by vertical projections of the plurality of sub-touch electrodes on a first base substrate; and
a gap between adjacent sub-touch electrodes is disposed in an area of the sensor setting area except the photosensitive element setting area areas.

8. The display panel of claim 1 , further comprising: a first base substrate and support pillars disposed on one side of the first base substrate;
wherein one part of the support pillars are disposed in an area of the sensor setting area except the photosensitive element setting areas.

9. The display panel of claim 8 , wherein the auxiliary display area is further provided with a plurality of signal traces, wherein the plurality of signal traces comprise first signal lines extending in a first direction and second signal lines extending in a second direction, wherein first direction is intersected with the second direction cross; and
the support pillars are disposed at positions where the first signal lines and the second signal lines are intersected.

10. The display panel of claim 8 , wherein at least part of the second light-emitting units are provided with the support pillars; and
the support pillars do not overlap with a light-emitting area of each of the second light-emitting units.

11. The display panel of claim 10 , wherein each of the second light-emitting units comprises a first color light-emitting unit, a second color light-emitting unit and a third color light-emitting unit; and
the support pillars are disposed in at least one of the first color light-emitting unit, the second color light-emitting unit or the third color light-emitting unit in each of at least part of the second light-emitting unit.

12. The display panel of claim 8 , wherein another part of the support pillars are disposed in the display area; and
wherein an arrangement density C 1 of the one part of the support pillars in the sensor setting area is the same as an arrangement density C 2 of the another part of the support pillars in the display area.

13. The display panel of claim 1 , wherein the display area comprises first touch electrode structures, and the sensor setting area comprises second touch electrode structures, wherein the first touch electrode structures and the second touch electrode structures are disposed at different film layers, and
the first touch electrode structures are configured to detect a touch position within the display area, and the second touch electrode structures are configured to detect a touch position within the sensor setting area.

14. The display panel of claim 13 , wherein the first touch electrode structures are mutual-capacitive touch electrode structures, and the second touch electrode structures comprise self-capacitive touch electrode blocks, wherein
the sensor setting area is completely covered by the self-capacitive touch electrode blocks.

15. The display panel of claim 14 , further comprising a first base substrate, and a display layer and an encapsulation layer stacked on one side of the first base substrate, wherein the display layer comprises at least one display electrode layer, and
the self-capacitive touch electrode blocks and one of the at least one display electrode layer are disposed at a same layer.

16. The display panel of claim 15 , wherein the mutual-capacitive touch electrode structures are disposed on one side of the encapsulation layer facing away from the first base substrate.

17. The display panel of claim 15 , further comprising: a second base substrate, wherein the second base substrate is disposed on one side of the encapsulation layer facing away from the first base substrate, and the mutual-capacitive touch electrode structures are disposed between the second base substrate and the encapsulation layer.

18. A display device, comprising: a display panel; and
a sensor module, which is disposed in a sensor setting area;
wherein the display panel comprises:
the sensor setting area and a display area around the sensor setting area;
wherein the sensor setting area comprises photosensitive element setting areas, and each of the photosensitive element setting areas has a same light transmittance;
wherein the sensor setting areas further comprises an auxiliary display area;
wherein the display area is provided with first tight-emitting units, and the auxiliary display area is provided with second light-emitting units;
wherein the display panel further comprises: a touch electrode layer;
wherein the touch electrode layer comprises a plurality of sub-touch electrodes, and each of the plurality of sub-touch electrodes is provided with a hollow pattern in the sensor setting area; and at least part of the photosensitive element setting areas are disposed within a hollow are of the hollow pattern.

19. A display panel, comprising:
a sensor setting area and a display area around the sensor setting area;
wherein the sensor setting area comprises a photosensitive element setting area, and the photosensitive element setting area has a same light transmittance;
wherein the sensor setting areas further comprises an auxiliary display area;
wherein the display area is provided with first light-emitting units, and the auxiliary display area is provided with second li

Assignees

• Wuhan Tianma Micro Electronics Co Ltd

Inventors

• Cai Min
• Fei Rili
• Ma Yufang
• Ma Yangzhao
• Zhou Ruiyuan
• Xia Zhiqiang
• Chen Yingjie

Classifications

• H01L27/1218

  Electricity · mapped topic

• H01L27/3269 Primary

  Electricity · mapped topic

• G06F3/0447

  Position sensing using the local deformation of sensor cells · CPC title

• H01L27/323

  Electricity · mapped topic

• H01L27/3234

  Electricity · mapped topic