US 12,393,086 B2
Display substrate, display panel, and display device
Zepeng Sun, Beijing (CN); Xianglei Qin, Beijing (CN); Jinshuai Duan, Beijing (CN); Yong Zhang, Beijing (CN); Xiaojuan Wu, Beijing (CN); Limin Zhang, Beijing (CN); Zhilong Duan, Beijing (CN); Zhiqiang Yu, Beijing (CN); Liangzhen Tang, Beijing (CN); Honggui Jin, Beijing (CN); Ruomei Bian, Beijing (CN); Zhaohu Yu, Beijing (CN); Xing Xu, Beijing (CN); Wulin Zhang, Beijing (CN); and Xiaofeng Yin, Beijing (CN)
Assigned to Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 18/560,412
Filed by Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed May 14, 2021, PCT No. PCT/CN2021/093771
§ 371(c)(1), (2) Date Nov. 13, 2023,
PCT Pub. No. WO2022/236798, PCT Pub. Date Nov. 17, 2022.
Prior Publication US 2024/0248359 A1, Jul. 25, 2024
Int. Cl. G02F 1/1362 (2006.01); G02F 1/1368 (2006.01)
CPC G02F 1/136286 (2013.01) [G02F 1/136209 (2013.01); G02F 1/136227 (2013.01); G02F 1/1368 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a base substrate, comprising a display region and a peripheral region outside the display region;
a first electrode layer, which is located on a side of the base substrate and comprises a plurality of first signal lines extending from the display region to the peripheral region;
a first insulation layer, which is located on a side of the first electrode layer facing away from the base substrate and comprises a plurality of first via holes penetrating a thickness of the first insulation layer, wherein an orthographic projection of at least one first via hole of the plurality of first via holes on the base substrate falls within an orthographic projection of at least one first signal line of the plurality of first signal lines on the base substrate;
a second electrode layer, which is located on a side of the first insulation layer facing away from the first electrode layer and comprises a plurality of first connection electrodes located in the display region, wherein at least one first connection electrode of the plurality of first connection electrodes is connected to the at least one first signal line through the at least one first via hole, the at least one first connection electrode covers a first portion of the at least one first via hole, the at least one first connection electrode does not cover a second portion of the at least one first via hole, and the orthographic projection of the at least one first via hole on the base substrate is partially overlapped with an orthographic projection of the at least one first connection electrode on the base substrate;
a second insulation layer, which is located on a side of the second electrode layer facing away from the first insulation layer, wherein the second insulation layer covers the second portion of the at least one first via hole, and the second insulation layer comprises a plurality of second via holes penetrating a thickness of the second insulation layer; wherein an orthographic projection of at least one second via hole of the plurality of second via holes on the base substrate falls within the orthographic projection of the at least one first connection electrode on the base substrate, the orthographic projection of the at least one second via hole on the base substrate and the orthographic projection of the at least one first via hole on the base substrate are arranged in a staggered manner, at least a portion of the orthographic projection of the at least one second via hole on the base substrate does not fall within the orthographic projection of the at least one first via hole on the base substrate, and at least a portion of the orthographic projection of the at least one first via hole on the base substrate is not covered by the orthographic projection of the at least one second via hole on the base substrate; and
a third electrode layer, which is located on a side of the second insulation layer facing away from the second electrode layer and comprises a plurality of first electrodes located in the display region, wherein at least one first electrode of the plurality of first electrodes is electrically connected to the at least one first connection electrode through the at least one second via hole.