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:
Oct. 29, 2024

Filed:

Jun. 22, 2022
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Wataru Hoshino, Kanagawa, JP;

Naoyoshi Yamada, Kanagawa, JP;

Shinichi Yoshinari, Kanagawa, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); C09K 19/38 (2006.01); C09K 19/56 (2006.01); C09K 19/60 (2006.01); G02F 1/13 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3016 (2013.01); C09K 19/3852 (2013.01); C09K 19/56 (2013.01); C09K 19/601 (2013.01); G02F 1/1323 (2013.01); G02F 2202/043 (2013.01);
Abstract

Provided is an optical laminate used for a viewing angle control system, and an image display device, including a light absorption anisotropic layer formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, a first adjacent layer in contact with one surface of the light absorption anisotropic layer, and a second adjacent layer in contact with a surface of the light absorption anisotropic layer opposite to the one surface, in which a content of the dichroic substance is 7.0% by mass or greater, an angle θs between a transmittance central axis of the light absorption anisotropic layer and a surface of the light absorption anisotropic layer in a normal direction is in a range of 5° to 60°, and both refractive indices n1 and n2 of the first and second adjacent layers, respectively, are in a range of 1.46 to 1.72.


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