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. 26, 2022
Filed:
Sep. 23, 2019
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Hubei, CN;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5253 (2013.01); H01L 23/564 (2013.01); H01L 2251/301 (2013.01);
Abstract
An organic light-emitting diode (OLED) display panel includes a substrate including a display area and a non-display area. At least a retaining wall is disposed on the non-display area and is configured to protrude outward from a surface of the substrate. A plurality of first grooves are provided on the retaining wall. The first grooves are arranged in at least two rows, and the first grooves in adjacent two of the rows are alternately arranged.