US 12,254,158 B2
Touch layer and touch display apparatus
Liqing Jiang, Beijing (CN); Guiyu Zhang, Beijing (CN); Qiang Wang, Beijing (CN); Shuai Liu, Beijing (CN); and Shukui Yang, Beijing (CN)
Assigned to CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., Chongqing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 18/248,170
Filed by Chongqing BOE Display Technology Co., Ltd., Chongqing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Apr. 8, 2022, PCT No. PCT/CN2022/085948
§ 371(c)(1), (2) Date Apr. 6, 2023,
PCT Pub. No. WO2023/193261, PCT Pub. Date Oct. 12, 2023.
Prior Publication US 2024/0370127 A1, Nov. 7, 2024
Int. Cl. G06F 3/044 (2006.01)
CPC G06F 3/0446 (2019.05) [G06F 3/0445 (2019.05)] 20 Claims
OG exemplary drawing
 
1. A touch layer, comprising:
a first conductive pattern layer including a plurality of electrode blocks that are arranged in a first direction, a second touch electrode strip extending along a second direction, and at least one connecting pattern, wherein the first direction intersects the second direction; the second touch electrode strip passes a space between two adjacent electrode blocks in the plurality of electrode blocks and is insulated from the two adjacent electrode blocks; a connecting pattern in the at least one connecting pattern is located between the two adjacent electrode blocks and is insulated from the second touch electrode strip;
a second conductive pattern layer, wherein the second conductive pattern layer and the first conductive pattern layer are stacked, and the second conductive pattern layer includes at least one bridge group; the plurality of electrode blocks and the at least one connecting pattern are electrically connected by the at least one bridge group, so as to form a first touch electrode strip; the two adjacent electrode blocks and the connecting pattern are electrically connected by a bridge group in the at least one bridge group, and the bridge group includes a plurality of connecting bridges; and
an insulation layer extending between the first conductive pattern layer and the second conductive pattern layer, wherein the insulation layer is provided therein with a plurality of first openings and a plurality of second openings;
wherein an electrode block in the two adjacent electrode blocks is electrically connected to the connecting pattern through at least one connecting bridge in the bridge group, a connecting bridge in the at least one connecting bridge is electrically connected to the electrode block at at least one first opening in the insulation layer and is electrically connected to the connecting pattern at at least one second opening in the insulation layer;
wherein the connecting pattern includes: a first edge, a second edge a third edge and a fourth edge that are sequentially connected end to end, wherein the first edge and the third edge are opposite in the second direction, and the second edge and the fourth edge are opposite in the first direction;
at least one of the first edge, the second edge, the third edge and the fourth edge is in a shape of a polyline, and an edge in the shape of the polyline is a polyline-shaped edge.