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. 27, 2021
Filed:
Jun. 28, 2018
Applicants:
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Assignees:
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C23C 14/04 (2006.01); H01L 27/32 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0011 (2013.01); C23C 14/042 (2013.01); H01L 27/3246 (2013.01); H01L 51/001 (2013.01); H01L 51/56 (2013.01); H01L 2227/323 (2013.01);
Abstract
A mask plate, an OLED display substrate, a display device and a manufacturing method thereof are provided. The mask plate includes: a mask plate body and a first blocking wall arranged on the mask plate body, where the mask plate body is provided with a plurality of openings, the plurality of openings are arranged in a matrix; the first blocking wall is arranged to close to the plurality of openings, and at least one part of the first blocking wall is arranged between two adjacent rows or adjacent columns of openings.