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:
Apr. 20, 2021
Filed:
May. 24, 2018
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Feng Zhang, Beijing, CN;
Wenqu Liu, Beijing, CN;
Zhijun Lv, Beijing, CN;
Liwen Dong, Beijing, CN;
Shizheng Zhang, Beijing, CN;
Ning Dang, Beijing, CN;
Assignee:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/56 (2006.01); H01L 51/52 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3246 (2013.01); H01L 51/0026 (2013.01); H01L 51/0096 (2013.01); H01L 51/5206 (2013.01); H01L 51/56 (2013.01); H01L 51/5012 (2013.01);
Abstract
The present disclosure provides a method for manufacturing an OLED display substrate, including a step of forming a pattern of a pixel definition layer on a substrate through a patterning process. A bottom wall of the pixel definition layer is formed on the substrate, a top wall of the pixel definition layer is arranged parallel to the bottom wall, and a side wall of the pixel definition layer is angled relative to the top wall at an acute angle.