The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2026
Filed:
Apr. 21, 2021
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Qinghe Wang, Beijing, CN;
Bin Zhou, Beijing, CN;
Tongshang Su, Beijing, CN;
Dacheng Zhang, Beijing, CN;
Jun Wang, Beijing, CN;
Ning Liu, Beijing, CN;
Yongchao Huang, Beijing, CN;
Jun Cheng, Beijing, CN;
Liangchen Yan, Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A display substrate including a drive-circuit layer and a light-emitting structure layer, a preparation method thereof, and a display device, the light-emitting structure layer includes an anode, a pixel definition layer, an organic light-emitting layer and a cathode, and an auxiliary electrode and an organic light-emitting block, arranged sequentially, the pixel definition layer includes an anode opening exposing the anode and an electrode opening exposing the auxiliary electrode, the organic light-emitting block is separated from the organic light-emitting layer, the auxiliary electrode includes the first, second and third auxiliary electrodes arranged sequentially; the cathode includes a first horizontal lapping part lapping with the first auxiliary electrode and a second sidewall lapping part lapping with the second auxiliary electrode, the thickness of the second sidewall lapping part in the direction parallel to the substrate is greater than that of the first horizontal lapping part in the direction perpendicular to the substrate.