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:
Dec. 06, 2022
Filed:
May. 09, 2019
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Shuilang Dong, Beijing, CN;
Da Lu, Beijing, CN;
Qingzhao Liu, Beijing, CN;
Guoqiang Wang, Beijing, CN;
Zhanfeng Cao, Beijing, CN;
Jiushi Wang, Beijing, CN;
Assignee:
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02B 1/111 (2015.01); G02B 1/113 (2015.01);
U.S. Cl.
CPC ...
G02B 5/3058 (2013.01); G02B 1/111 (2013.01); G02B 1/113 (2013.01);
Abstract
The present disclosure provides a polarizing device and a method for preparing the same, a display substrate, and a display device. The polarizing device includes: a base substrate, a metal wire grid, and an anti-reflection layer, in which the metal wire grid is arranged on the base substrate, the anti-reflection layer is arranged on the surface of the metal wire grid away from the base substrate, and the anti-reflection layer is a carbon film layer.