US 12,219,834 B2
Display substrate and preparation method therefor, and display apparatus
Xueyan Tian, Beijing (CN); Chengjie Qin, Beijing (CN); Jianchao Zhu, Beijing (CN); Dengyun Chen, Beijing (CN); and Liangjian Li, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/763,659
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed May 12, 2021, PCT No. PCT/CN2021/093421
§ 371(c)(1), (2) Date Mar. 25, 2022,
PCT Pub. No. WO2021/238658, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 202010466036.4 (CN), filed on May 28, 2020.
Prior Publication US 2022/0336567 A1, Oct. 20, 2022
Int. Cl. H01L 27/32 (2006.01); H10K 50/86 (2023.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 50/86 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02)] 17 Claims
OG exemplary drawing
 
1. A display substrate comprising a display region and a binding region located on one side of the display region, wherein
the display region comprises a display structure layer, a protective layer provided on the display structure layer and a reflective layer provided on the protective layer, and the display structure layer comprises a drive structure layer, a light-emitting structure layer and an encapsulating structure layer stacked on a base;
the binding region comprises a binding structure layer, a protective layer provided on the binding structure layer at one side of the binding region close to the display region, and a reflective layer provided on the protective layer, and the binding structure layer comprises a lead wire structure layer provided on the base, a binding pad provided on the lead wire structure layer and an inorganic encapsulating layer; and
the protective layer is formed using a first open mask and a first opening is provided in the protective layer, the first opening being located on one side of the binding region away from the display region and the first opening exposing the binding pad.