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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 9676686 B1

PDFFull Text
Date of Patent:
Jun. 13, 2017

Filed:

Jan. 13, 2016

Liquid crystal composition containing nitrogen-containing cyclic compound and liquid crystal display device

Applicants:

Jnc Corporation, Tokyo, JP;

Jnc Petrochemical Corporation, Tokyo, JP;

Inventors:

Yasuyuki Gotoh, Tokyo, JP;

Kazuo Okumura, Chiba, JP;

Assignees:

JNC CORPORATION, Tokyo, JP;

JNC PETROCHEMICAL CORPORATION, Tokyo, JP;

Attorney:

Jianq Chyun IP Office

Primary Examiner:

Geraldina Visconti

Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C07C 13/28 (2006.01); C09K 19/34 (2006.01); C09K 19/30 (2006.01); C07D 207/12 (2006.01); C07D 223/08 (2006.01); C07D 207/14 (2006.01); C07D 223/12 (2006.01); C07D 403/12 (2006.01); C07D 405/14 (2006.01); C07D 403/14 (2006.01); C09K 19/32 (2006.01); C09K 19/04 (2006.01); C09K 19/18 (2006.01);
U.S. Cl.
CPC ...
C07C 13/28 (2013.01); C07D 207/12 (2013.01); C07D 207/14 (2013.01); C07D 223/08 (2013.01); C07D 223/12 (2013.01); C07D 403/12 (2013.01); C07D 403/14 (2013.01); C07D 405/14 (2013.01); C09K 19/3003 (2013.01); C09K 19/3066 (2013.01); C09K 19/3068 (2013.01); C09K 19/32 (2013.01); C09K 19/3402 (2013.01); C09K 19/3483 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/181 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3019 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/3042 (2013.01); C09K 2019/3077 (2013.01); C09K 2019/3083 (2013.01); C09K 2019/3422 (2013.01); C09K 2019/3425 (2013.01);
Abstract

The disclosure shows a liquid crystal composition that contains a compound having an effect of preventing photolysis of the liquid crystal composition and having high solubility in the liquid crystal composition, and that satisfies at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large positive or negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light or heat, and a suitable elastic constant, etc. and so on. The disclosure shows a liquid crystal composition that contains a compound having the following azolidine ring (Q-1) or azepane ring (Q-2), a liquid crystal display device and so on.

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