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:
Sep. 23, 2025

Filed:

Dec. 04, 2023
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Naoya Nishimura, Kanagawa, JP;

Shinya Watanabe, Kanagawa, JP;

Fumitake Mitobe, Kanagawa, JP;

Shinichi Yoshinari, Kanagawa, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02B 1/11 (2015.01); G02B 1/12 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3016 (2013.01); G02B 1/11 (2013.01); G02B 1/12 (2013.01); G02F 1/133502 (2013.01);
Abstract

An optical film that, when being used in an image display device, it is possible to suppress a change in redness with respect to an original image in images reflected in surroundings, a manufacturing method of a light absorption anisotropic layer, and an image display device. The optical film includes a light absorption anisotropic layer which contains a liquid crystalline compound and a dichroic substance, in which an angle θ between a transmittance central axis of the light absorption anisotropic layer and a normal direction of a surface of the light absorption anisotropic layer is 0° or more and 45° or less, and a haze value of the optical film is more than 1% and 20% or less.


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