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.
Type:
Grant
Filed:
July 27, 1984
Date of Patent:
November 11, 1986
Assignees:
Alps Electric Co., Ltd, Masahiro Hatano