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:
Nov. 11, 1986
Filed:
Jul. 27, 1984
Applicant:
Inventors:
Mitsuru Kano, Furukawa, JP;
Yoshinori Kato, Furukawa, JP;
Yoshimi Kamijo, Furukawa, JP;
Masahiro Hatano, Sendai-shi, Miyagi-ken, JP;
Assignees:
Alps Electric Co., Ltd, both of, JP;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229965 ; 25229901 ; 25229963 ; 25229964 ; 25229967 ; 3503 / ;
Abstract
A liquid crystal composition which comprises a liquid crystal compound having a smectic C phase and an optically active substance, both of said liquid crystal compound and optically active substance being compounds having an ester type bond in the molecular structure, and which has a lowered transition temperature region for the smectic C phase, is chemically stable and stable for use in field effect type liquid crystal display elements etc.