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.
Patent No.:
Date of Patent:
Oct. 28, 2025
Filed:
May. 01, 2023
Applicant:
Toppan Inc., Taito-ku, JP;
Inventor:
Taisuke Enya, Taito-ku, JP;
Assignee:
TOPPAN Inc., Taito-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1334 (2006.01); G02F 1/1333 (2006.01); G02F 1/1339 (2006.01); G02F 1/137 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1334 (2013.01); G02F 1/133365 (2013.01); G02F 1/13392 (2013.01); G02F 1/13775 (2021.01); G02F 1/133502 (2013.01); G02F 1/13398 (2021.01); G02F 1/13439 (2013.01);
Abstract
A light control sheet including a first transparent electrode layer, a second transparent electrode layer, a light control layer formed between the first transparent electrode layer and the second transparent electrode layer, the light control layer including a transparent polymer layer having voids filled with a liquid crystal composition including liquid crystal molecules, and spacers formed in the light control layer and including polymethyl methacrylate.