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:
Nov. 26, 2024
Filed:
Aug. 20, 2020
Applicants:
Hefei Boe Joint Technology Co.,ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventor:
Wenbin Jia, Beijing, CN;
Assignees:
Hefei BOE Joint Technology Co., Ltd., Anhui, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
H10K 71/13 (2023.01); H10K 59/122 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 59/122 (2023.02); H10K 71/00 (2023.02); H10K 71/135 (2023.02);
Abstract
A display substrate and a manufacturing method thereof, a display device, and an inkjet printing method. The display substrate comprises a base substrate. A pixel definition layer is provided at the base substrate. The pixel definition layer is provided with a pixel area for accommodating print drops. A stepped hole having a step shape is formed in the pixel area. The stepped hole comprises at least two steps. A barrier wall is provided inside the stepped hole to separate the adjacent steps.