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:
May. 30, 2023

Filed:

Feb. 04, 2020
Applicant:

Sony Group Corporation, Tokyo, JP;

Inventors:

Toyokazu Takahashi, Tokyo, JP;

Shinya Ootani, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1341 (2006.01); G02F 1/1333 (2006.01); G02F 1/1339 (2006.01); G02F 1/1347 (2006.01); G02F 1/137 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1341 (2013.01); G02F 1/1339 (2013.01); G02F 1/1347 (2013.01); G02F 1/13725 (2013.01); G02F 1/133302 (2021.01);
Abstract

Liquid crystal is prevented from leaking out into a terminal hole in a liquid crystal injection process, and the productivity of a liquid crystal light control device is improved. A liquid crystal light control device according to the present technology includes a plurality of liquid crystal layers, terminals provided for respective electrodes disposed to face each other across the liquid crystal layers, and terminal holes formed above the terminals, and an injection mark of a liquid crystal for the liquid crystal layer is formed on a back face side which is a face on a side opposite to a face that has been opened by the terminal hole.


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