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. 03, 2001
Filed:
May. 28, 1999
Applicant:
Inventors:
Tomoyuki Kondo, Chiba, JP;
Kazutoshi Miyazawa, Chiba, JP;
Hiroyuki Takeuchi, Chiba, JP;
Shuichi Matsui, Chiba, JP;
Yasusuke Hisatsune, Chiba, JP;
Fusayuki Takeshita, Chiba, JP;
Etsuo Nakagawa, Chiba, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/912 ; C09K 1/906 ; C09K 1/934 ; C07C 1/908 ; C07C 4/100 ;
U.S. Cl.
CPC ...
C09K 1/912 ; C09K 1/906 ; C09K 1/934 ; C07C 1/908 ; C07C 4/100 ;
Abstract
Liquid crystalline compounds are provided which have an extremely high voltage holding ratio, altered only slightly by change of temperature, and which have a low threshold voltage and a high &Dgr;n. Also provided are liquid crystal compositions containing the liquid crystalline compound; and liquid crystal display devices containing the liquid crystal composition. The liquid crystalline compound is expressed by the general formula (1)