US 11,907,467 B2
Touch sensor and display apparatus
Wenxiao Niu, Beijing (CN); Hengzhen Liang, Beijing (CN); Qing Gong, Beijing (CN); and Shiheng Mu, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/427,423
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Mar. 19, 2020, PCT No. PCT/CN2020/080190
§ 371(c)(1), (2) Date Jul. 30, 2021,
PCT Pub. No. WO2021/184294, PCT Pub. Date Sep. 23, 2021.
Prior Publication US 2022/0317850 A1, Oct. 6, 2022
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); H10K 59/40 (2023.01); H10K 59/131 (2023.01)
CPC G06F 3/04164 (2019.05) [G06F 3/0412 (2013.01); G06F 3/0446 (2019.05); H10K 59/131 (2023.02); H10K 59/40 (2023.02); G06F 2203/04111 (2013.01); G06F 2203/04112 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A touch sensor, comprising: a first opening region, a plurality of first touch electrodes and a plurality of second touch electrodes,
wherein a center of the first opening region and a center of the touch sensor do not coincide;
the plurality of first touch electrodes respectively extend along a first direction, and at least one of the plurality of first touch electrodes comprises a plurality of first touch sub-electrodes arranged side by side in the first direction and electrically connected with each other;
the plurality of second touch electrodes respectively extend along a second direction intersecting with the first direction, and at least one of the plurality of second touch electrodes comprises a plurality of second touch sub-electrodes arranged side by side in the second direction and electrically connected with each other;
the plurality of first touch electrodes are arranged side by side along the second direction, and the plurality of second touch electrodes are arranged side by side along the first direction; and
the plurality of first touch sub-electrodes and the plurality of second touch sub-electrodes together at least partially surround the first opening region;
the touch sensor has a first region, a second region and a third region which are sequentially laid out in the second direction,
the first opening region is positioned in the second region; and
an area of a first touch sub-electrode in the first region is less than that of a first touch sub-electrode in the third region, or an area of a second touch sub-electrode in the first region is less than that of a second touch sub-electrode in the third region;
the at least one of the plurality of second touch electrodes is separated into a first electrode portion and a second electrode portion by the second region;
the first electrode portion is positioned in the first region, and the second electrode portion is positioned in the third region; and
a maximum size of the first electrode portion in the second direction is less than a maximum size of the second electrode portion in the second direction.