US 12,238,999 B2
Display substrate, display panel and display apparatus
Ke Liu, Beijing (CN); Ling Shi, Beijing (CN); Yipeng Chen, Beijing (CN); Lang Liu, Beijing (CN); Zhenhua Zhang, Beijing (CN); and Xuewei Tian, Beijing (CN)
Assigned to Chengdu BOE Optoelectronis Technology Co., Ltd., Chengdu (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/629,360
Filed by CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Chengdu (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Feb. 7, 2021, PCT No. PCT/CN2021/075844
§ 371(c)(1), (2) Date Jan. 21, 2022,
PCT Pub. No. WO2022/165807, PCT Pub. Date Aug. 11, 2022.
Prior Publication US 2023/0165097 A1, May 25, 2023
Int. Cl. H10K 59/35 (2023.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01)
CPC H10K 59/353 (2023.02) [H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H10K 59/131 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising a first display region and a second display region, a light transmittance of the first display region being greater than a light transmittance of the second display region, wherein the display substrate comprises:
a base substrate;
a plurality of sub-pixels arranged on the base substrate and located in the first display region, the sub-pixels located in the first display region comprising a first pixel driving circuit and a first light-emitting device, the first pixel driving circuit being electrically connected to the first light-emitting device and configured to drive the first light-emitting device to emit light; and
a plurality of sub-pixels arranged on the base substrate and located in the second display region, the sub-pixels located in the second display region comprising a second pixel driving circuit and a second light-emitting device, the second pixel driving circuit being electrically connected to the second light-emitting device and configured to drive the second light-emitting device to emit light,
wherein the plurality of sub-pixels located in the first display region comprise a plurality of sub-pixel groups, each of the plurality of sub-pixel groups comprises a first sub-pixel and a second sub-pixel, the first pixel driving circuit comprises a first sub-pixel driving circuit and a second sub-pixel driving circuit, the first sub-pixel driving circuit is configured to drive the first light-emitting device of the first sub-pixel to emit light, and the second sub-pixel driving circuit is configured to drive the first light-emitting device of the second sub-pixel to emit light, the first sub-pixel driving circuit comprises at least a first reset transistor, the second sub-pixel driving circuit comprises at least a second reset transistor, and the first reset transistor of the first sub-pixel driving circuit and the second reset transistor of the second sub-pixel driving circuit are at least partially shared with each other.