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.:
Date of Patent:
Jun. 18, 2019
Filed:
Sep. 28, 2017
Jnc Corporation, Tokyo, JP;
Jnc Petrochemical Corporation, Tokyo, JP;
Hiroyuki Tanaka, Chiba, JP;
JNC CORPORATION, Tokyo, JP;
JNC PETROCHEMICAL CORPORATION, Tokyo, JP;
Abstract
Provided are a liquid crystal compound 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. A compound is represented by formula (1): wherein, Rand Rare alkyl having 1 to 15 carbons; A, A, Aand Aare 1,4-cyclohexylene and 1,4-phenylene; Z, Z, Zand Zare a single bond; Y, Yand Yare fluorine; and a, b, c and d are 0 or 1, and a sum of a, b, c and d is an integer from 0 to 3, or the like.