US 12,474,807 B2
Touch control substrate, display panel, and electronic device
Shun Zhang, Beijing (CN); Yu Wang, Beijing (CN); Fuqiang Yang, Beijing (CN); Chang Luo, Beijing (CN); Yi Zhang, Beijing (CN); Yang Zeng, Beijing (CN); and Tianci Chen, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 18/029,426
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Mar. 4, 2022, PCT No. PCT/CN2022/079293
§ 371(c)(1), (2) Date Dec. 4, 2023,
PCT Pub. No. WO2023/273388, PCT Pub. Date Jan. 5, 2023.
Claims priority of application No. 202110736095.3 (CN), filed on Jun. 30, 2021.
Prior Publication US 2024/0012525 A1, Jan. 11, 2024
Int. Cl. G06F 3/044 (2006.01)
CPC G06F 3/0446 (2019.05) [G06F 3/0445 (2019.05); G06F 2203/04111 (2013.01); G06F 2203/04112 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A touch control substrate, comprising:
a base substrate; and
a plurality of first touch control electrodes and a plurality of second touch control electrodes, located on the base substrate,
wherein the plurality of first touch control electrodes are arranged in a first direction, each of the plurality of first touch control electrodes is extended in a second direction different from the first direction, the plurality of second touch control electrodes are arranged in the second direction and each of the plurality of second touch control electrodes is extended in the first direction;
each of the plurality of first touch control electrodes comprises a plurality of first touch control sub-electrodes and at least one first connecting electrode; the plurality of first touch control sub-electrodes are arranged in the second direction; each of at least one first connecting electrode is located between two adjacent first touch control sub-electrodes in the second direction, to electrically connect the two adjacent first touch control sub-electrodes;
each of the plurality of second touch control electrodes comprises a plurality of second touch control sub-electrodes and at least one second connecting electrode; the plurality of second touch control sub-electrodes are arranged in the first direction; each of the at least one second connecting electrode is located between two adjacent second touch control sub-electrodes in the first direction, to electrically connect the two adjacent second touch control sub-electrodes;
the plurality of second touch control sub-electrodes and the at least one second connecting electrode are located in different conductive layers relative to the base substrate, respectively;
each of the at least one second connecting electrode comprises at least one connecting sub-electrode, and two ends of each of the at least one connecting sub-electrode are connected to the two adjacent second touch control sub-electrodes, respectively;
an orthographic projection of each of the at least one connecting sub-electrode on the base substrate overlaps an orthographic projection of one of the plurality of first touch control sub-electrodes on the base substrate;
each of the at least one connecting sub-electrode comprises at least one first fold line portion and at least one second fold line portion;
a fold line shape of the first fold line portion is an approximate V shape, and a fold line shape of the second fold line portion is an approximate V shape; and an opening of the fold line shape of the first fold line portion and an opening of the fold line shape of the second fold line portion are faced to each other along the second direction,
wherein each of the at least one connecting sub-electrode comprises a first contact portion, a second contact portion, and a plurality of connecting portions;
the first contact portion and the second contact portion serve as two ends of the connecting sub-electrode, respectively, and are connected to the two adjacent second touch control sub-electrodes;
the plurality of connecting portions are located between the first contact portion and the second contact portion and arranged in the second direction, and two ends of each of the plurality of connecting portions are connected to the first contact portion and the second contact portion, respectively;
the plurality of connecting portions comprise a first connecting portion and a second connecting portion; and the first connecting portion comprises the first fold line portion, and the second connecting portion comprises the second fold line portion,
wherein the first contact portion, the second contact portion, and the plurality of connecting portions of each of the at least one connecting sub-electrode are disposed in a same layer, one end of the first connecting portion and one end of the second connecting portion are connected together by the first contact portion, and an other end of the first connecting portion and an other end of the second connecting portion are connected together by the second contact portion.