IDiyas

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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 10649124 B1

PDFFull Text
Date of Patent:
May. 12, 2020

Filed:

Jul. 14, 2016

Composition including compound having mesogenic group, polymer and optically anisotropic body obtained by polymerizing polymerizable composition, and phase difference film

Applicant:

Dic Corporation, Tokyo, JP;

Inventors:

Mika Takasaki, Kita-adachi-gun, JP;

Masahiro Horiguchi, Kita-adachi-gun, JP;

Yasuhiro Kuwana, Kita-adachi-gun, JP;

Assignee:

DIC CORPORATION, Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

James C Jones

Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 5/30 (2006.01); C08F 2/48 (2006.01); C09K 19/34 (2006.01); C09K 19/54 (2006.01); C08F 222/10 (2006.01); C09K 19/20 (2006.01); C08F 220/36 (2006.01); C09K 19/02 (2006.01); C08F 226/06 (2006.01); C08F 220/30 (2006.01); G02F 1/13363 (2006.01); C09K 19/04 (2006.01); C08F 220/10 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); C08F 2/48 (2013.01); C08F 220/30 (2013.01); C08F 220/36 (2013.01); C08F 222/1006 (2013.01); C08F 226/06 (2013.01); C09K 19/02 (2013.01); C09K 19/2007 (2013.01); C09K 19/3491 (2013.01); C09K 19/3497 (2013.01); C09K 19/54 (2013.01); C09K 19/542 (2013.01); G02B 5/30 (2013.01); G02F 1/13363 (2013.01); C08F 220/10 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/2078 (2013.01); C09K 2019/3408 (2013.01); C09K 2019/3433 (2013.01); G02F 2001/133637 (2013.01);
Abstract

A polymerizable composition of the present invention has favorable solubility, and an optically anisotropic body using the polymerizable composition is unlikely to discolor and is excellent in heat resistance and light resistance. The problem to be solved by the present invention is to provide a polymer obtained by polymerizing the polymerizable composition and an optically anisotropic body using the polymer. The present invention relates to a polymerizable composition which includes a compound having at least one mesogenic group and satisfying an expression represented by Expression (1), and which satisfies an expression represented by Expression (2).0.5≤YI/Δ≤500  Expression (2)

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