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.

Date of Patent:
Sep. 19, 2023

Filed:

May. 08, 2020
Applicant:

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Qian Yang, Beijing, CN;

Lujiang Huangfu, Beijing, CN;

Libin Liu, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/56 (2006.01); H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 71/00 (2023.01); G03F 1/00 (2012.01); G03F 1/38 (2012.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
H10K 59/122 (2023.02); G03F 1/00 (2013.01); G03F 1/38 (2013.01); H10K 59/351 (2023.02); H10K 59/352 (2023.02); H10K 59/353 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02);
Abstract

Provided are an array substrate and a manufacturing method therefor, a display device, and a mask plate. The array substrate includes a pixel defining layer having a first opening, a second opening, and a third opening passing through the pixel defining layer. Every two of the first to third openings are adjacent to each other. The pixel defining layer includes first to third opening denning portions. At least one of the ratio of the slope angle of a portion of the first opening defining portion located between the first opening and the second opening to the slope angle of the third opening defining portion, and the ratio of the slope angle of a portion of the second opening defining portion located between the first opening and the second opening to the slope angle of the third opening defining portion is from 0.8 to 1.25.


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