US 12,171,124 B2
Display substrate and preparation method thereof, and display apparatus
Bo Zhang, Beijing (CN); Zhiwen Chu, Beijing (CN); Rong Wang, Beijing (CN); and Zhenhua Zhang, Beijing (CN)
Assigned to Beijing BOE Technology Development Co., Ltd., Beijing (CN); and Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN)
Appl. No. 17/417,775
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Sep. 10, 2020, PCT No. PCT/CN2020/114556
§ 371(c)(1), (2) Date Jun. 24, 2021,
PCT Pub. No. WO2022/051994, PCT Pub. Date Mar. 17, 2022.
Prior Publication US 2022/0344448 A1, Oct. 27, 2022
Int. Cl. H10K 59/131 (2023.01); H10K 59/12 (2023.01)
CPC H10K 59/1315 (2023.02) [H10K 59/1201 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a display region and an edge region located around the display region; the edge region comprises a composite insulating layer disposed on a substrate, a power line disposed on the composite insulating layer and an isolation dam disposed on the power line, wherein the isolation dam is provided with auxiliary power lines, and an auxiliary power line located at a side of the isolation dam adjacent to the display region and an auxiliary power line located at a side of the isolation dam away from the display region are connected on the power line.