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:
Dec. 28, 2021
Filed:
Jan. 29, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Optoelectronics Technology Co., Ltd., Anhui, CN;
Kui Gong, Beijing, CN;
Xianxue Duan, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Anhui, CN;
Abstract
The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The method includes: forming a pixel definition layer transitional pattern on a base substrate, the pixel definition layer transitional pattern being provided at a lateral surface with an undercut; forming a common layer, which is broken at the undercut, on the base substrate; removing the undercut to obtain a pattern of a pixel definition layer; and forming a cathode on the base substrate.