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:
Jan. 28, 2025

Filed:

Feb. 16, 2024
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Kojiro Ikeda, Tokyo, JP;

Takeo Koito, Tokyo, JP;

Tae Kurokawa, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1347 (2006.01); G02F 1/1337 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1347 (2013.01); G02F 1/133773 (2021.01); G02F 1/134309 (2013.01);
Abstract

A liquid crystal light control device includes a plurality of liquid crystal cells arranged in a stack. Each of the plurality of liquid crystal cells includes a first substrate and a second substrate opposite the first substrate, a first electrode and a second electrode both of which have a strip pattern arranged on at least one of the first substrate and the second substrate, a first alignment film on the first substrate and a second alignment film on the second substrate, and a liquid crystal layer between the first substrate and the second substrate. The strip pattern is arranged alternately with the first electrode and the second electrode, an alignment direction of the first alignment film is aligned with a direction of extension of the strip pattern, and an alignment direction of the second alignment film is arranged intersecting the alignment direction of the first alignment film.


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