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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.:

US 12552992 B1

PDFFull Text
Date of Patent:
Feb. 17, 2026

Filed:

Mar. 15, 2023

Optical laminate and image display device

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventor:

Yoshinori Maeda, Kanagawa, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorneys:

Edwards Neils LLC

Jean C. Edwards, Esq.

Primary Examiner:

Ramsey Zacharia

Int. Cl.
CPC ...
C09K 19/56 (2006.01); C09K 19/38 (2006.01); C09K 19/60 (2006.01); G02B 5/30 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
C09K 19/56 (2013.01); C09K 19/3857 (2013.01); C09K 19/601 (2013.01); G02B 5/3016 (2013.01); G02F 1/133528 (2013.01); G02F 1/133638 (2021.01); G02F 2202/08 (2013.01); G02F 2413/01 (2013.01); H10K 59/8791 (2023.02);
Abstract

Provided is an optical laminate that has excellent uniformity and is capable of suppressing a change in tint of reflected light during black display in a case where the optical laminate is used for an image display device, and an image display device formed of the optical laminate. The optical laminate includes a light absorption anisotropic layer containing a dichroic substance, a photo-alignment film, and a base material in order, in which the photo-alignment film contains a specific compound having a refractive index of 1.55 to 1.70, and the base material has a glass transition temperature of 150° C. or higher.

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Maeda, Yoshinori. (2026). Optical laminate and image display device (U.S. Patent No. 12552992). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12552992

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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