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. 20, 2025
Filed:
Jun. 02, 2022
Applicant:
Wuhan China Star Optoelectronics Technology Co., Ltd., Hubei, CN;
Inventors:
Wenlong Ye, Hubei, CN;
Wei Cheng, Hubei, CN;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); G02F 1/1334 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1323 (2013.01); G02F 1/13345 (2021.01); G02F 1/133531 (2021.01); G02F 1/134309 (2013.01);
Abstract
A privacy film and a display device are provided. The privacy film includes a first polarizer, a first electrode layer, a dimming liquid crystal layer, a second electrode layer, and a second polarizer. The first polarizer, the first electrode layer, the dimming liquid crystal layer, the second electrode layer, and the second polarizer are stacked in sequence, so that multi-angle privacy protection can be achieved.