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:
Jul. 02, 2013
Filed:
May. 08, 2009
Applicants:
Yasuhiro Haseba, Chiba, JP;
Kohki Sago, Chiba, JP;
Takafumi Kuninobu, Chiba, JP;
Inventors:
Assignees:
JNC Corporation, Tokyo, JP;
JNC Petrochemical Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/34 (2006.01); C09K 19/12 (2006.01); C09K 19/32 (2006.01); C09K 19/30 (2006.01); C09K 19/20 (2006.01); C09K 19/38 (2006.01); C09K 19/54 (2006.01); G02F 1/133 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid crystal medium having a wide temperature range of a liquid crystal phase, a large optical anisotropy, and a large dielectric anisotropy and having an optically isotropic liquid crystal phase is provided. The liquid crystal medium is characterized by containing a liquid crystal compound having a pyrimidine ring and a linking group —CFO— and a chiral dopant, and exhibiting an optically isotropic liquid crystal phase.