US 12,484,392 B2
Display substrate and manufacture method thereof, display device
Jie Dai, Beijing (CN); Pengfei Yu, Beijing (CN); Lu Bai, Beijing (CN); Xiaofeng Jiang, Beijing (CN); Hao Zhang, Beijing (CN); Siyu Wang, Beijing (CN); Huijuan Yang, Beijing (CN); and Xin Zhang, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing (CN)
Appl. No. 17/425,007
Filed by CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Mar. 12, 2021, PCT No. PCT/CN2021/080498
§ 371(c)(1), (2) Date Jul. 22, 2021,
PCT Pub. No. WO2021/218447, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 202010366290.7 (CN), filed on Apr. 30, 2020.
Prior Publication US 2022/0320236 A1, Oct. 6, 2022
Int. Cl. H01L 27/32 (2006.01); H10K 59/131 (2023.01); H10K 59/80 (2023.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 59/873 (2023.02); H10K 59/1201 (2023.02); H10K 59/122 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display substrate, comprising a display region and a peripheral region at a periphery of the display region, wherein the peripheral region comprises a first scan driving circuit and a second scan driving circuit that are on a first side of the display region, the first scan driving circuit is on a side of the second scan driving circuit close to the display region, the peripheral region further comprises a binding region on a second side, which is adjacent to the first side, of the display region, and the binding region comprises a plurality of contact pads, and the plurality of contact pads are configured to be connected with power lines;
the peripheral region comprises an organic insulation layer, the organic insulation layer at least partially covers the first scan driving circuit and at least partially covers the second scan driving circuit, and comprises a first groove that is partially in a strip shape and extends substantially along a first direction to expose a portion between the first scan driving circuit and the second scan driving circuit, and
the first groove also extends from the first side to the second side and extends substantially along a second direction on the second side, and the second direction is different from intersects the first direction;
the display substrate further comprises a base substrate, wherein the first scan driving circuit, the second scan driving circuit, and the organic insulation layer are on the base substrate,
the display substrate further comprises a first power line of the power lines on the base substrate and in the peripheral region, and the first power line of the power lines comprises a first portion extending in the first direction and a second portion extending in the second direction on the second side, and
in a direction perpendicular to the base substrate, the first groove at least partially overlaps with the first portion of the first power line of the power lines, the organic insulation layer further comprises a blocking wall at an edge of the first portion of the first power line of the power lines along the second direction, the first groove is disconnected at the blocking wall, and the blocking wall covers the edge of the first portion of the first power line of the power lines along the second direction.