US 12,238,969 B2
Display substrate, method for manufacturing the same, and display device
Tongshang Su, Beijing (CN); Bin Zhou, Beijing (CN); Jun Cheng, Beijing (CN); Qinghe Wang, Beijing (CN); Yongchao Huang, Beijing (CN); Dacheng Zhang, Beijing (CN); and Liangchen Yan, Beijing (CN)
Assigned to Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/615,835
Filed by Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Feb. 26, 2021, PCT No. PCT/CN2021/078126
§ 371(c)(1), (2) Date Dec. 2, 2021,
PCT Pub. No. WO2022/178827, PCT Pub. Date Sep. 1, 2022.
Prior Publication US 2023/0200128 A1, Jun. 22, 2023
Int. Cl. H10K 59/121 (2023.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 71/00 (2023.01)
CPC H10K 59/1213 (2023.02) [H10K 59/1201 (2023.02); H10K 59/122 (2023.02); H10K 59/353 (2023.02); H10K 71/00 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising a drive circuit layer disposed on a base substrate and a light emitting structure layer disposed on a side of the drive circuit layer away from the base substrate, wherein the light emitting structure layer comprises an anode, an organic light emitting layer, a cathode, and an auxiliary electrode, the organic light emitting layer is respectively connected to the anode and the cathode, and the cathode is connected to the auxiliary electrode; in a plane perpendicular to the display substrate, the auxiliary electrode comprises a first auxiliary electrode and a second auxiliary electrode disposed on a side of the first auxiliary electrode away from the base substrate; in a plane parallel to the display substrate, a shape of the first auxiliary electrode and the second auxiliary electrode comprises a polygon provided with a groove; two edges of the first auxiliary electrode and the second auxiliary electrode extending along a first direction are each provided with a first groove depressed towards an inside of the auxiliary electrode along a second direction, and the first direction and the second direction intersect with each other; wherein that the cathode is connected to the auxiliary electrode comprises: the cathode covers a side surface of the second auxiliary electrode and a surface of a side, adjacent to the base substrate, of a portion of the second auxiliary electrode which protrudes from the first auxiliary electrode.