IP Library › Granted Patent US 12,443,079
Granted Patent B2
US 12,443,079 · App. 18/428,784 · Granted Oct 14, 2025

Display apparatus and array substrate

Inventors: Jingwei Hou (Beijing, CN); Jingyi Xu (Beijing, CN); Yanwei Ren (Beijing, CN); Wenlong Zhang (Beijing, CN); Yanan Yu (Beijing, CN); Lei Jia (Beijing, CN); Yanhao Sun (Beijing, CN); Guolei Zhi (Beijing, CN)
Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.; BOE TECHNOLOGY GROUP CO., LTD.
G02F1/136254G02F1/13338G02F1/134318G02F1/134363G02F1/136209G02F1/1368G06F3/0412G02F1/133388
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Quick Facts
Patent No.
US 12,443,079
App. No.
18/428,784
Granted
Oct 14, 2025
Kind
B2
Abstract

An array substrate of a display device includes a pixel electrode layer on a substrate, which includes active pixel electrodes in an active display region; outermost active pixel electrodes include a first active pixel electrode including a first pixel electrode edge and a second pixel electrode edge; in a first direction, the first pixel electrode edge is between the second pixel electrode edge and a frame region. One of the array substrate and an opposite substrate of the display device includes a common electrode layer including a first extended common electrode which includes a first extended portion extending beyond the first active pixel electrode; a first extended portion edge of the first extended portion and a first substrate edge of the substrate respectively extend in a second direction; in the first direction, the first extended portion edge is located between the first substrate edge and the first pixel electrode edge.

Claims (64)

1. A display device, comprising an active display region and a frame region outside the active display region, and comprising an array substrate and an opposite substrate provided opposite to each other, wherein

the array substrate comprises a substrate and a pixel electrode layer provided on the substrate, the pixel electrode layer comprises a plurality of active pixel electrodes located in the active display region; outermost active pixel electrodes of the plurality of active pixel electrodes comprise a first active pixel electrode, the first active pixel electrode comprises a first pixel electrode edge and a second pixel electrode edge arranged in a first direction and each extending in a second direction; in the first direction, the first pixel electrode edge is located between the second pixel electrode edge and the frame region, and the first direction and the second direction intersect each other;

one of the array substrate and the opposite substrate comprises a common electrode layer; the common electrode layer comprises a first extended common electrode of block-shaped, an orthographic projection of the first extended common electrode on the substrate partially overlaps with an orthographic projection of the first active pixel electrode on the substrate; the first extended common electrode comprises a first extended portion extending beyond the first active pixel electrode, the first extended portion has a first extended portion edge extending in the second direction, the substrate has a first substrate edge extending in the second direction; and in the first direction, the first extended portion edge is located between the first substrate edge and the first pixel electrode edge;

the common electrode layer comprises a plurality of sub common electrodes spaced apart from each other, the first extended common electrode is one of outermost sub common electrodes among the plurality of sub common electrodes, and an area of the first extended common electrode is larger than an area of another sub common electrode other than the outermost sub common electrodes;

the plurality of sub common electrodes are multiplexed as touch electrodes; and

the first extended common electrode is an integral structure;

the frame region comprises a first frame region, a second frame region, a third frame region and a fourth frame region which are sequentially arranged in a clockwise direction, the fourth frame region is provided with a data driving circuit electrically connected to data lines; and

in the first direction, a distance from the first extended portion edge that is located in the second frame region to the first active pixel electrode is greater than a distance from the first extended portion edge that is located in the fourth frame region to the first active pixel electrode; and

the common electrode layer further comprises a second extended common electrode extending into an outside of the active display region, the first extended common electrode corresponds to one of the first frame region and the third frame region, the second extended common electrode corresponds to one of the second frame region and the fourth frame region.

2. The display device according to claim 1 , wherein

in the first direction, a length of the first extended portion is greater than or equal to ⅓ of a length of the first active pixel electrode; and

a ratio of an area of the first extended portion to an area of the first extended common electrode is not greater than 1%.

3. The display device according to claim 1 , wherein

the array substrate has a protrusion portion beyond the opposite substrate, and the protrusion portion is located in the fourth frame region; and

the first extended portion is located in at least one of the first frame region to the fourth frame region.

4. The display device according to claim 3 , wherein

in the first direction, a ratio of a length of the first extended portion to a length of the first active pixel electrode is greater than or equal to 1.

5. The display device according to claim 3 , wherein

the first extended portion is located in the second frame region and/or the fourth frame region; and

in the first direction, a ratio of a length of the first extended portion to a length of the first active pixel electrode is greater than or equal to ⅓ and less than or equal to ½.

6. The display device according to claim 1 , wherein the pixel electrode layer further comprises a plurality of dummy pixel electrodes spaced apart from the plurality of active pixel electrodes, and the plurality of dummy pixel electrodes are located in the frame region.

7. The display device according to claim 6 , wherein the plurality of dummy pixel electrodes comprise a first dummy pixel electrode, and an orthographic projection of the first dummy pixel electrode on the substrate at least partially overlaps with an orthographic projection of the first extended portion on the substrate; and in the first direction, the first extended portion edge is located between the first dummy pixel electrode and the first substrate edge.

8. The display device according to claim 7 , wherein

an edge of the first dummy pixel electrode closest to the first extended portion edge and extending in the second direction is a first dummy pixel electrode edge, and the first dummy pixel electrode edge comprises a first end portion and a second end portion;

the first dummy pixel electrode edge comprises a connection line between the first end portion and the second end portion, and the connection line is parallel to the first extended portion edge.

9. The display device according to claim 6 , wherein

the frame region further comprises a light-transmitting region, and at least a partial edge of the light-transmitting region is surrounded by the active display region;

the plurality of active pixel electrodes comprise a plurality of second active pixel electrodes arranged closest to the light-transmitting region and along a circumferential direction of the light-transmitting region; each of the plurality of second active pixel electrodes comprises a third pixel electrode edge and a fourth pixel electrode edge arranged in the first direction and each extending in the second direction; and in the first direction, the third pixel electrode edge is located between the fourth pixel electrode edge and the light-transmitting region;

an orthographic projection of the second extended common electrode on the substrate partially overlaps with an orthographic projection of each of the plurality of second active pixel electrodes on the substrate; the second extended common electrode comprises a second extended portion extending beyond each of the plurality of second active pixel electrodes, and the second extended portion comprises a plurality of sub extended portions respectively corresponding to the plurality of second active pixel electrodes; and

each of the plurality of sub extended portions has a first sub extended portion edge extending in the second direction; and in the first direction, the first sub extended portion edge is located between the light-transmitting region and the third pixel electrode edge.

10. The display device according to claim 9 , wherein extension directions of first sub extended portion edges of two of the plurality of sub extended portions provided adjacently along the circumferential direction of the light-transmitting region are different from each other.

11. The display device according to claim 9 , wherein first sub extended portion edges of at least two of the plurality of sub extended portions are arranged in a staggered manner in the first direction.

12. The display device according to claim 9 , wherein

the plurality of dummy pixel electrodes further comprise a plurality of second dummy pixel electrodes located between the plurality of second active pixel electrodes and the light-transmitting region in the first direction; and

orthographic projections of the plurality of second dummy pixel electrodes on the substrate at least partially overlap with orthographic projections of the plurality of sub extended portions of the second extended portion on the substrate.

13. The display device according to claim 12 , wherein first sub extended portion edges of the plurality of sub extended portions are located between the plurality of second dummy pixel electrodes and the light-transmitting region.

14. The display device according to claim 6 , wherein the array substrate further comprises a plurality of switching elements on the substrate and spaced apart from each other, the plurality of switching elements comprise a plurality of first switching elements, and the plurality of first switching elements are electrically connected to the plurality of active pixel electrodes, respectively.

15. The display device according to claim 14 , wherein the plurality of switching elements further comprise a plurality of second switching elements, and orthographic projections of the plurality of second switching elements on the substrate at least partially overlap with orthographic projections of the plurality of dummy pixel electrodes on the substrate, respectively.

16. The display device according to claim 1 , further comprising a ground line surrounding the active display region, wherein a line width of the ground line is less than or equal to 50 microns.

17. The display device according to claim 9 , wherein

one of the array substrate and the opposite substrate comprises a black matrix layer, and the black matrix layer blocks the first extended portion of the first extended common electrode and the second extended portion of the second extended common electrode;

the display device further comprises an annular sealant connecting the array substrate and the opposite substrate, and the black matrix layer has an annular groove at the sealant; and

the groove is filled with a filter material.

18. A display device, comprising an active display region and a frame region outside the active display region, and comprising an array substrate and an opposite substrate provided opposite to each other,

wherein the array substrate comprises a substrate and a pixel electrode layer provided on the substrate, the pixel electrode layer comprises a plurality of active pixel electrodes located in the active display region;

one of the array substrate and the opposite substrate comprises a common electrode layer; the common electrode layer comprises an extended common electrode of block-shaped, an orthographic projection of the extended common electrode on the substrate partially overlaps with an orthographic projection of the active pixel electrode on the substrate;

the frame region further comprises a light-transmitting region, and at least a partial edge of the light-transmitting region is surrounded by the active display region;

the plurality of active pixel electrodes are arranged closest to the light-transmitting region and along a circumferential direction of the light-transmitting region; each of the plurality of active pixel electrodes comprises two pixel electrode edges arranged in a first direction and each extending in a second direction; and in the first direction, one of the two pixel electrode edges is located between the other one of the pixel electrode edges and the light-transmitting region;

the common electrode layer comprises an extended common electrode, an orthographic projection of the extended common electrode on the substrate partially overlaps with an orthographic projection of each of the plurality of active pixel electrodes on the substrate; the extended common electrode comprises an extended portion extending beyond each of the plurality of active pixel electrodes, and the extended portion comprises a plurality of sub extended portions respectively corresponding to the plurality of active pixel electrodes; and

each of the plurality of sub extended portions has a first sub extended portion edge extending in the second direction; and in the first direction, the first sub extended portion edge is located between the light-transmitting region and the one of the pixel electrode edges;

the common electrode layer further comprises a plurality of sub common electrodes spaced apart from each other, the extended common electrode is one of outermost sub common electrodes among the plurality of sub common electrodes, the plurality of sub common electrodes are multiplexed as touch electrodes; and

the extended common electrode is an integral structure;

the extended common electrode comprises a first extended common electrode, the frame region comprises a first frame region, a second frame region, a third frame region and a fourth frame region which are sequentially arranged in a clockwise direction, and the first extended common electrode corresponds to one of the first frame region and the third frame region, the fourth frame region is provided with a data driving circuit electrically connected to data lines; and

in the first direction, a distance from the first extended portion edge that is located in the second frame region to the first active pixel electrode is greater than a distance from the first extended portion edge that is located in the fourth frame region to the first active pixel electrode; and

the common electrode layer further comprises a second extended common electrode extending into an outside of the active display region, the first extended common electrode corresponds to one of the first frame region and the third frame region, the second extended common electrode corresponds to one of the second frame region and the fourth frame region.

19. An array substrate, comprising an active display region and a frame region outside the active display region, wherein

the array substrate comprises a substrate and a pixel electrode layer provided on the substrate, the pixel electrode layer comprises a plurality of active pixel electrodes located in the active display region; outermost active pixel electrodes of the plurality of active pixel electrodes comprise a first active pixel electrode, the first active pixel electrode comprises a first pixel electrode edge and a second pixel electrode edge arranged in a first direction and each extending in a second direction; and in the first direction, the first pixel electrode edge is located between the second pixel electrode edge and the frame region, and the first direction and the second direction intersect each other;

the array substrate comprises a common electrode layer, the common electrode layer comprises a first extended common electrode of block-shaped; an orthographic projection of the first extended common electrode on the substrate partially overlaps with an orthographic projection of the first active pixel electrode on the substrate; the first extended common electrode comprises a first extended portion extending beyond the first active pixel electrode, the first extended portion has a first extended portion edge extending in the second direction, the substrate has a first substrate edge extending in the second direction; and in the first direction, the first extended portion edge is located between the first substrate edge and the first pixel electrode edge; and

the common electrode layer comprises a plurality of sub common electrodes spaced apart from each other, the first extended common electrode is one of outermost sub common electrodes among the plurality of sub common electrodes, and an area of the first extended common electrode is larger than an area of another sub common electrode other than the outermost sub common electrodes;

the plurality of sub common electrodes are multiplexed as touch electrodes; and

the first extended common electrode is an integral structure;

the frame region comprises a first frame region, a second frame region, a third frame region and a fourth frame region which are sequentially arranged in a clockwise direction, and the first extended common electrode corresponds to one of the first frame region and the third frame region, the fourth frame region is provided with a data driving circuit electrically connected to data lines; and

in the first direction, a distance from the first extended portion edge that is located in the second frame region to the first active pixel electrode is greater than a distance from the first extended portion edge that is located in the fourth frame region to the first active pixel electrode; and

the common electrode layer further comprises a second extended common electrode extending into an outside of the active display region, the first extended common electrode corresponds to one of the first frame region and the third frame region, the second extended common electrode corresponds to one of the second frame region and the fourth frame region.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2024
From: HOU, JINGWEI; XU, JINGYI; REN, YANWEI; ZHANG, WENLONG; YU, YANAN; JIA, LEI; SUN, YANHAO; ZHI, GUOLEI
To: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.; BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 066322/0780 →
Priority Claims (1)
CN 202011008217.9 · Sep 23, 2020 · national
Continuity (2)
Continuation 17789612
Related Publication 20240210772A1 · Jun 27, 2024
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