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. 03, 2014
Filed:
Mar. 09, 2012
Applicants:
Chun-chih Wang, Taichung, TW;
Chin-yen Chang, Pingtung County, TW;
Yu-ying Hsieh, Kaohsiung, TW;
Inventors:
Assignee:
Daxin Materials Corporation, Taichung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 19/12 (2006.01); C09K 19/32 (2006.01); C09K 19/30 (2006.01); C07C 25/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid crystal compound with high optical anisotropy is provided. The liquid crystal compound is represented by formula (I), wherein each of R1 and R2 represents an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms; the alkyl group and the alkenyl group are unsubstituted or substituted by —O—, —CO—, or —COO— groups; each of X, X, X, and Xrepresents hydrogen or fluorine, and at least one of X, X, X, and Xis fluorine; m is 1, 2, or 3; n is 0, 1, or 2, and 2≦m+n≦3.