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:
Jul. 25, 2017

Filed:

Jun. 09, 2014
Applicants:

Jnc Corporation, Tokyo, JP;

Jnc Petrochemical Corporation, Tokyo, JP;

Inventors:

Eriko Kurihara, Chiba, JP;

Masayuki Saito, Chiba, JP;

Yoshimasa Furusato, Chiba, JP;

Kenji Hirata, Chiba, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/34 (2006.01); C07C 25/18 (2006.01); C09K 19/12 (2006.01); C09K 19/30 (2006.01); C07C 43/29 (2006.01); C07D 309/06 (2006.01); C07D 319/06 (2006.01); C09K 19/54 (2006.01); C07C 43/225 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3402 (2013.01); C07C 25/18 (2013.01); C07C 43/225 (2013.01); C07C 43/29 (2013.01); C07D 309/06 (2013.01); C07D 319/06 (2013.01); C09K 19/12 (2013.01); C09K 19/3003 (2013.01); C09K 19/542 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/124 (2013.01); C09K 2019/3025 (2013.01); C09K 2019/3422 (2013.01); C09K 2019/548 (2013.01);
Abstract

A liquid crystal composition having a suitable balance regarding at least one or two of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, small viscosity, suitable optical anisotropy, large positive dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat or a large elastic constant; and an AM device having a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio or a long service life. The composition has positive dielectric anisotropy and contains a specific compound having high stability to ultraviolet light as a first component, and a liquid crystal display device includes the composition.


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