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.

Date of Patent:
Jul. 15, 2025

Filed:

Feb. 24, 2023
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Akihide Haruyama, Suwa, JP;

Yusuke Komuro, Azumino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/139 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02F 1/1337 (2006.01); G02F 1/1347 (2006.01); G02F 1/137 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1393 (2013.01); G02F 1/133528 (2013.01); G02F 1/13363 (2013.01); G02F 1/133638 (2021.01); G02F 1/1337 (2013.01); G02F 1/13471 (2013.01); G02F 1/13712 (2021.01);
Abstract

A liquid crystal device includes a liquid crystal panel including a first liquid crystal layer, a first polarizing plate provided on a light incidence side of the liquid crystal panel, a second polarizing plate provided on a light emission side of the liquid crystal panel, a first phase difference adjusting element arranged between the first polarizing plate and the liquid crystal panel and including a second liquid crystal layer, a second phase difference adjusting element arranged between the liquid crystal panel and the second polarizing plate and including a third liquid crystal layer, and a control unit configured to control a phase difference of the second liquid crystal layer and a phase difference of the third liquid crystal layer.


Find Patent Forward Citations

Loading…