US 12,135,856 B2
Touch electrode structure and display device
Yuanyuan Li, Beijing (CN); and Meizhu Zheng, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/914,487
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Sep. 10, 2021, PCT No. PCT/CN2021/117745
§ 371(c)(1), (2) Date Sep. 26, 2022,
PCT Pub. No. WO2022/078136, PCT Pub. Date Apr. 21, 2022.
Claims priority of application No. 202011085458.3 (CN), filed on Oct. 12, 2020.
Prior Publication US 2023/0109974 A1, Apr. 13, 2023
Int. Cl. G06F 3/044 (2006.01); G02F 1/1333 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/0446 (2019.05) [G02F 1/13338 (2013.01); G06F 3/0412 (2013.01); G06F 3/0445 (2019.05); G06F 2203/04111 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display device, comprising:
a touch electrode structure
a display panel;
a cover plate;
a polarizer; and
a first adhesive layer, located between the cover plate and the polarizer,
wherein the touch electrode structure is located between the display panel and the cover plate, the touch electrode structure comprises: a plurality of first touch electrodes, arranged along a first direction, and each of the plurality of first touch electrodes extending along a second direction; and a plurality of second touch electrodes, arranged along the second direction, each of the plurality of second touch electrodes extending along the first direction, each of the first touch electrodes comprises a plurality of first touch electrode blocks and a bridge structure, the plurality of first touch electrode blocks are arranged along the second direction, and the bridge structure is located between two adjacent ones of the plurality of first touch electrode blocks,
each of the plurality of first touch electrode blocks comprises a plurality of first openings, each of the plurality of first openings comprises a first body portion and first extending portions located at two ends of the first body portion, the first body portion extends approximately along the second direction and the first extending portions extends approximately along the first direction,
the display device further comprises:
a transparent substrate;
a second adhesive layer, located between the transparent substrate and the display panel; and
a third adhesive layer, located between the transparent substrate and the touch electrode structure,
wherein the touch electrode structure is bonded to the transparent substrate through the third adhesive layer, and the transparent substrate is located on a side of the touch electrode structure away from the polarizer and bonded to the display panel through the second adhesive layer,
each of the plurality of first touch electrode blocks comprises a bridge portion, and the bridge structure is connected with two bridge portions of two adjacent ones of the plurality of first touch electrode blocks in the second direction, respectively,
an included angle between a tangent of each point on an outer edge of the bridge portion and the second direction is greater than 60 degrees.