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:
Mar. 22, 2022

Filed:

Jul. 10, 2020
Applicant:

Toppan Printing Co., Ltd., Taito-ku, JP;

Inventor:

Kaori Morinaga, Taito-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/137 (2006.01); G02B 1/14 (2015.01); G02F 1/133 (2006.01); G02F 1/1334 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/137 (2013.01); G02B 1/14 (2015.01); G02F 1/1334 (2013.01); G02F 1/13306 (2013.01); G02F 1/13439 (2013.01); G02F 1/134309 (2013.01); G02F 1/13345 (2021.01); G02F 2201/503 (2013.01);
Abstract

A light control sheet including a light transmissive resin substrate, and a light control layer formed on the light transmissive resin substrate. The light control layer includes a liquid crystal layer and a pair of electrode layers that sandwich the liquid crystal layer. The light transmissive resin substrate includes a light transmissive resin sheet and a surface-treated layer that has a barrier property, the light transmissive resin sheet has a first surface that faces the light control layer and a second surface opposite to the first surface, and the surface-treated layer is formed on at least one of the first surface and the second surface.


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