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:
Aug. 18, 2015
Filed:
Sep. 27, 2010
Junichi Yamashita, Chiba, JP;
Masahide Kobayashi, Chiba, JP;
Sayaka Fujimori, Chiba, JP;
JNC CORPORATION, Tokyo, JP;
JNC PETROCHEMICAL CORPORATION, Tokyo, JP;
Abstract
The invention provides a liquid crystal compound having general physical properties necessary for the liquid crystal compound, namely, stability to heat, light and so forth, a small viscosity, a refractive index anisotropy having a suitable magnitude value, a dielectric anisotropy having a suitable magnitude value, steep electrooptical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; a compound represented by formula (i): wherein, for example, Rand Rare alkyl having 1 to 8 carbons or alkenyl having 2 to 8 carbons; ring Ais trans-1,4-cyclohexylene or 1,4-phenylene; ring Ais trans-1,4-cyclohexylene or 2,3-difluoro-1,4-phenylene; Qand Qare fluorine or chlorine; and h is 0, 1 or 2.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile