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:
Nov. 19, 2024
Filed:
Aug. 20, 2020
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Shi Sun, Beijing, CN;
Xuewu Xie, Beijing, CN;
Yu Ai, Beijing, CN;
Bowen Liu, Beijing, CN;
Hao Liu, Beijing, CN;
Yubao Kong, Beijing, CN;
Ameng Zhang, Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A display substrate, a preparation method and a repair method thereof, and a display apparatus. The display substrate includes a driver circuit layer and an emissive structure layer overlappingly disposed on a base, the driver circuit layer including a drive transistor, an auxiliary cathode wire and a repair electrode, an anode of the emissive structure layer being connected to a drain electrode of the drive transistor, a cathode of the emissive structure layer being connected to the auxiliary cathode wire, and the repair electrode being configured so as to connect the drain electrode of the drive transistor and the auxiliary cathode wire when repairing a bright spot defect.