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:
Apr. 14, 2009
Filed:
Feb. 15, 2006
Masayuki Saito, Chiba, JP;
Yoshitaka Tomi, Chiba, JP;
Masayuki Saito, Chiba, JP;
Yoshitaka Tomi, Chiba, JP;
Chisso Corporation, Osaka, JP;
Chisso Petrochemical Corporation, Tokyo, JP;
Abstract
A liquid crystal composition containing at least one compound represented by formula (1) as a first component and at least one compound selected from the group of compounds represented by formulas (2) and (3), but not containing a compound represented by formula (4), and having a negative dielectric anisotropy: wherein Ris alkyl or alkenyl; Ris alkyl or alkoxy; Ris alkyl or alkoxymethyl; Ris alkyl; Ris alkyl, alkenyl or alkoxy; Aand Aare independently 1,4-cyclohexylene or 1,4-phenylene; Ais 1,4-cyclohexylene, 1,4-phenylene or 2-fluoro-1,4-phenylene; Zis a single bond or —COO—; and n is 0 or 1.