US 12,242,687 B2
Touch display device and display system
Zewen Li, Beijing (CN); Wenxiao Niu, Beijing (CN); Hengzhen Liang, Beijing (CN); Xu Lu, Beijing (CN); Lianbin Liu, Beijing (CN); Zhiqiang Wang, Beijing (CN); Rendong Li, Beijing (CN); and Yu Wang, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD, Beijing (CN)
Appl. No. 18/273,277
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Nov. 19, 2021, PCT No. PCT/CN2021/131697
§ 371(c)(1), (2) Date Jul. 20, 2023,
PCT Pub. No. WO2022/193707, PCT Pub. Date Sep. 22, 2022.
Claims priority of application No. 202110286297.2 (CN), filed on Mar. 17, 2021.
Prior Publication US 2024/0310940 A1, Sep. 19, 2024
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); H05K 1/18 (2006.01)
CPC G06F 3/0416 (2013.01) [G06F 3/0412 (2013.01); G06F 3/0446 (2019.05); H05K 1/189 (2013.01); G06F 2203/04102 (2013.01); H05K 2201/10128 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A touch display device, comprising:
a touch display substrate, provided with a display region and a non-display region provided adjacent to the display region, wherein the non-display region is provided with a display bonding region and a touch bonding region; and
a flexible circuit board, provided with a touch signal line, a touch chip and a display signal line, wherein the touch signal line is connected with the touch chip, the flexible circuit board is bound with the touch display substrate in the display bonding region and the touch bonding region, the touch chip is connected to the touch bonding region through the touch signal line, and the display signal line is connected to the display bonding region;
wherein the touch chip, the touch signal line and the touch bonding region are provided on a same side of the display signal line;
wherein the flexible circuit board is configured as a two-layer board, the two-layer board at least comprises a first function layer, a second function layer, and a substrate layer provided between the first function layer and the second function layer, the display signal line is provided on the first function layer, and the touch signal line is provided on the second function layer.