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:
May. 26, 2020

Filed:

Mar. 12, 2018
Applicants:

Jnc Corporation, Tokyo, JP;

Jnc Petrochemical Corporation, Tokyo, JP;

Inventors:

Ayako Mori, Ichihara, JP;

Hiroyuki Tanaka, Ichihara, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/34 (2006.01); C07D 307/91 (2006.01); C07D 407/12 (2006.01); C07D 407/10 (2006.01); C07D 403/10 (2006.01); C07D 401/10 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3405 (2013.01); C07D 307/91 (2013.01); C07D 401/10 (2013.01); C07D 403/10 (2013.01); C07D 407/10 (2013.01); C07D 407/12 (2013.01); C09K 2019/3408 (2013.01); C09K 2019/3422 (2013.01); C09K 2019/3425 (2013.01);
Abstract

Provided are liquid crystal compounds satisfying at least one of physical properties such as high stability to heat or light, a high clearing point (or high maximum temperature), low minimum temperature of a liquid crystal phase, small viscosity, large optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and good compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. The compound is represented by formula (1):


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