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. 28, 1998
Filed:
Oct. 11, 1996
Masataka Yamashita, Chigasaki, JP;
Kazuharu Katagiri, Tama, JP;
Masahiro Terada, Hadano, JP;
Shosei Mori, Hiratsuka, JP;
Syuji Yamada, Atsugi, JP;
Hiroshi Mizuno, Zama, JP;
Ikuo Nakazawa, Atsugi, JP;
Koji Noguchi, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid crystal composition comprises at least three compounds represented by formulae (A), (B) and (C), respectively as in Claim 1. The compound of the formula (A) has an indan skeleton, the compound of the formula (B) has a quinoxaline skeleton, and the compound of the formula (C) has a pyrimidine skeleton or a benzothiazole skeleton and a terminal cyclic group comprising a cyclohexyl group or a phenyl group. The liquid crystal composition is effective in improving a display quality and drive characteristics of a liquid crystal device using the composition when the liquid crystal device is continuously driven for a long time.