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:
Feb. 07, 2023

Filed:

Mar. 19, 2019
Applicant:

Sony Corporation, Tokyo, JP;

Inventor:

Tsuyoshi Okazaki, Kanagawa, JP;

Assignee:

SONY CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1343 (2006.01); G02F 1/1337 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/134309 (2013.01); G02F 1/1337 (2013.01); G02F 1/133526 (2013.01); G02F 1/134336 (2013.01); G02F 2203/01 (2013.01); G02F 2203/02 (2013.01);
Abstract

A liquid crystal display device includes a plurality of pixels, each pixel includes a first electrode, a second electrode opposed to the first electrode, and a liquid crystal layer between the second electrode and the first electrode; a first region in each of the plurality of pixels having a first optical path length between the first electrode and the second electrode; a second region in each of the plurality of pixels having a second optical path length between the first electrode and the second electrode, the second optical path length being shorter than the first optical path length, the second region has the liquid crystal layer equal in thickness to the liquid crystal layer in the first region; and an optical path length adjusting layer between the liquid crystal layer and the first electrode in the first region.


Find Patent Forward Citations

Loading…