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:
Feb. 14, 1995
Filed:
Nov. 23, 1992
Kenji Shingo, Atsugi, JP;
Masahiro Terada, Atsugi, JP;
Toshiharu Uchimi, Atsugi, JP;
Akio Yoshida, Chigasaki, JP;
Takeshi Togano, Yokohama, JP;
Masanobu Asaoka, Yokohama, JP;
Takashi Iwaki, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A ferroelectric chiral smectic liquid crystal composition is provided with a fast response speed and a less temperature dependency of the response speed by containing at least one mesomorphic compound represented by the formula (1) below: ##STR1## wherein R.sub.1 denotes an alkyl group having 1-16 carbon atoms and capable of having a substituent; R.sub.2 denotes an alkyl group, alkoxy group, alkoxycarbonyl group, acyloxy group or alkoxycarbonyloxy group each having 1-16 carbon atoms and capable of having a substituent; and ##STR2## respectively denotes ##STR3## each capable of having a substituent.