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:
Aug. 10, 2021
Filed:
May. 28, 2019
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Yu Xiao, Beijing, CN;
Jingyang Li, Beijing, CN;
Guohua Zhang, Beijing, CN;
Dong Wang, Beijing, CN;
Yongzhi Song, Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A mask and a method for manufacturing a display substrate are provided. The mask includes a transparent substrate and a light shielding layer on the transparent substrate. The light shielding layer include a first opening pattern, and the transparent substrate includes a first region, where an orthographic projection of the first region onto the light shielding layer overlaps the first opening pattern, and a light converging structure is provided at least part of a marginal region of the first region, and is constructed in such a manner that light incident on the at least part of the marginal region converges to a central region of the first opening pattern.