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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 10620481 B1

PDFFull Text
Date of Patent:
Apr. 14, 2020

Filed:

Apr. 19, 2018

Optical alignment film composition, optical alignment film, optical laminate, and image display device

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Taku Wakita, Kanagawa, JP;

Ayako Muramatsu, Kanagawa, JP;

Chie Moriya, Kanagawa, JP;

Yoshiaki Takada, Kanagawa, JP;

Makoto Ishiguro, Kanagawa, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorneys:

Edwards Neils LLC

Jean C. Edwards, Esq.

Primary Examiner:

Ruiyun Zhang

Int. Cl.
CPC ...
G02F 1/1337 (2006.01); C08K 5/101 (2006.01); C08F 120/32 (2006.01); C09D 183/06 (2006.01); G02B 5/30 (2006.01); C09D 133/14 (2006.01); C09D 4/00 (2006.01); C08F 8/14 (2006.01); C08F 222/10 (2006.01); C08L 101/02 (2006.01); G02F 1/1335 (2006.01); C08G 77/14 (2006.01); G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133711 (2013.01); C08F 8/14 (2013.01); C08F 120/32 (2013.01); C08F 222/10 (2013.01); C08K 5/101 (2013.01); C08L 101/02 (2013.01); C09D 4/00 (2013.01); C09D 133/14 (2013.01); C09D 183/06 (2013.01); G02B 5/3016 (2013.01); G02F 1/133528 (2013.01); G02F 1/133788 (2013.01); C08G 77/14 (2013.01); G02F 1/13363 (2013.01); G02F 2001/133715 (2013.01); G02F 2001/133726 (2013.01); G02F 2202/28 (2013.01); Y10T 428/10 (2015.01); Y10T 428/1005 (2015.01); Y10T 428/1036 (2015.01);
Abstract

According to the invention, provided are an optical alignment film composition with which an optical alignment film having excellent aligning properties can be produced, and an optical alignment film, an optical laminate, and an image display device produced using the optical alignment film composition. An optical alignment film composition according to the invention contains a polymer A which has a constitutional unit a1 including a cinnamate group and a low-molecular-weight compound B which has a cinnamate group and has a lower molecular weight than the polymer A.

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