US 12,293,035 B2
Touch substrate, touch panel and touch display device
Chao Zeng, Beijing (CN); Shouqiang Zhang, Beijing (CN); Rui Wang, Beijing (CN); Weishu Wen, Beijing (CN); Xinghua Cui, Beijing (CN); and Yifan Liu, Beijing (CN)
Assigned to CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., Chongqing (CN); and BOE TECHNOLOGY GROUP CO., LTD, Beijing (CN)
Appl. No. 18/262,091
Filed by Chongqing BOE Display Technology Co., Ltd., Chongqing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed May 17, 2022, PCT No. PCT/CN2022/093340
§ 371(c)(1), (2) Date Jul. 19, 2023,
PCT Pub. No. WO2023/220925, PCT Pub. Date Nov. 23, 2023.
Prior Publication US 2024/0393897 A1, Nov. 28, 2024
Int. Cl. G06F 3/041 (2006.01)
CPC G06F 3/04164 (2019.05) 19 Claims
OG exemplary drawing
 
1. A touch substrate having a touch region and a peripheral region located on at least one side of the touch region; wherein
the touch substrate comprises a first layer wiring group and a second layer wiring group that are located in the peripheral region; the first layer wiring group includes a plurality of first wirings, the second layer wiring group includes a plurality of second wirings, and a square resistance of a first wiring is greater than a square resistance of a second wiring; wherein
the peripheral region includes a first wiring region and a second wiring region, and at least a portion of the first wiring region is farther from the touch region than the second wiring region; the first wiring region is provided with at least one first-type touch lead therein, each first-type touch lead includes a first wiring in the plurality of first wirings and a second wiring in the plurality of second wirings that are connected to each other, and orthographic projections of the first wiring and the second wiring of the first-type touch lead on the touch substrate are overlapped; the second wiring region is provided with at least one second-type touch lead therein, and each second-type touch lead includes a second wiring in the plurality of second wirings or a first wiring in the plurality of first wirings; and a length of the first-type touch lead is greater than a length of the second-type touch lead.