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. 29, 1992
Filed:
Oct. 04, 1990
Applicant:
Inventors:
Mitsuhiro Koden, Nara, JP;
Tomoaki Kuratate, Nara, JP;
Fumiaki Funada, Yamatokoriyama, JP;
Kazuhiko Sakaguchi, Toyonaka, JP;
Tohru Kitamura, Kyoto, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229961 ; 25229966 ; 359103 ;
Abstract
An improved ferroelectric liquid crystal device comprising a pair of substrates each provided with voltage applying means, at least one of the substrates having an orientation control layer, and a ferroelectric liquid crystal layer disposed between the pair of substrates, the ferroelectric liquid crystal layer comprising specific .gamma.-lactone derivatives, which is useful as a liquid crystal shutter, liquid crystal display device or the like.