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:
Sep. 24, 2013
Filed:
Oct. 18, 2010
Applicants:
Chih-lung Chin, Taoyuan County, TW;
Hui-fang Tseng, Fengyuan, TW;
Wan-chi Chen, Taoyuan County, TW;
Chun-ming Wu, Banqiao, TW;
Kung-lung Cheng, Hsinchu, TW;
Inventors:
Chih-Lung Chin, Taoyuan County, TW;
Hui-Fang Tseng, Fengyuan, TW;
Wan-Chi Chen, Taoyuan County, TW;
Chun-Ming Wu, Banqiao, TW;
Kung-Lung Cheng, Hsinchu, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu County, TW;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/54 (2006.01); C09K 19/52 (2006.01); C07D 493/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A chiral compound of formula (I) or (II) is provided, wherein each of Rand Rindependently, is hydrogen, hydroxyl, halogen, amino, nitrile, Calkyl, or Calkoxyl. A liquid crystal composition comprising 80-99.5 parts by weight of a liquid crystal host; and 0.5-20 parts by weight of the chiral compound as described above is also provided.