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:
May. 18, 2021
Filed:
Aug. 28, 2019
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Wuhan, CN;
Inventor:
Jiajia Sun, Wuhan, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/56 (2006.01); H01L 51/00 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5225 (2013.01); H01L 51/5253 (2013.01); H01L 51/56 (2013.01); H01L 27/3244 (2013.01); H01L 51/0021 (2013.01); H01L 51/0097 (2013.01);
Abstract
A display panel and a mask plate are provided. The display panel includes a base substrate, a thin film transistor substrate disposed on the base substrate, a light-emitting layer disposed on the thin film transistor substrate, a cathode layer disposed on the light-emitting layer, a covering layer and a protective layer laminated on the cathode layer, and an encapsulation layer disposed on the protective layer. Wherein, the cathode layer is provided with a through hole penetrating the cathode layer, and the through hole is filled with a transparent layer.