US 12,321,070 B2
Display substrate and display device
Dandan Miao, Beijing (CN); Wenming Ren, Beijing (CN); and Ran Zhang, Beijing (CN)
Assigned to Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/425,985
Filed by Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Feb. 5, 2021, PCT No. PCT/CN2021/075391
§ 371(c)(1), (2) Date Jul. 1, 2022,
PCT Pub. No. WO2021/164574, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 202010097936.6 (CN), filed on Feb. 18, 2020.
Prior Publication US 2025/0044655 A1, Feb. 6, 2025
Int. Cl. G02F 1/1362 (2006.01)
CPC G02F 1/136254 (2021.01) [G02F 1/136286 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display substrate, comprising a test area, the test area comprises a plurality of signal lines coupled with signal lines in a display area of the display substrate, the plurality of signal lines are divided into a plurality of groups, wherein,
each group of signal lines in at least a portion of the groups are coupled through a plurality of shorting bars, and each shorting bar is coupled with a same group of signal lines,
wherein the plurality of signal lines are disposed in a same layer, the plurality of shorting bars are disposed in a same layer,
the display substrate further comprises an interlayer insulating layer and conductive parts, the interlayer insulating layer is located between the signal lines and the shorting bars, the conductive parts correspond to the signal lines, the shorting bars are located between the signal lines and the conductive parts, and each of the conductive parts is coupled with the shorting bars coupled to the same group of signal lines and the corresponding signal line through via holes penetrating through the interlayer insulating layer and the shorting bars.