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. 19, 2024
Filed:
Nov. 09, 2023
Applicant:
Auo Corporation, Hsinchu, TW;
Inventors:
Min-Hsuan Chiu, Hsinchu, TW;
Wei-Ming Cheng, Hsinchu, TW;
Assignee:
AUO Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/137 (2006.01); G02F 1/1335 (2006.01); G02F 1/1347 (2006.01);
U.S. Cl.
CPC ...
G02F 1/137 (2013.01); G02F 1/133531 (2021.01); G02F 1/1347 (2013.01);
Abstract
An anti-peeping display device including a display panel and a viewing angle control module, which are stacked, is provided. The viewing angle control module includes a first polarization layer, a first liquid crystal layer, a second polarization layer, a second liquid crystal layer and a third polarization layer that are sequentially stacked. The phase retardations of the first liquid crystal layer and the second liquid crystal layer are within 700 nm to 1200 nm.