Patent Number: 8,877,302

Title: Liquid crystal composition, liquid crystal element, and liquid crystal display device

Abstract: Provided is a novel liquid crystal composition that can be used for a variety of liquid crystal devices. The novel liquid crystal composition exhibits a blue phase and includes a binaphthyl compound represented by a general formula (G1) as a chiral agent. In the general formula (G1), Ar.sup.2 represents any of an aryl group having 6 to 12 carbon atoms and a cycloalkyl group having 3 to 12 carbon atoms; n is 0 to 3; and one of R and R.sup.1 represents a substituent represented by a general formula (G2) and the other represents hydrogen. In the general formula (G2), Ar.sup.1 represents any of an aryl group having 6 to 12 carbon atoms and a cycloalkyl group having 3 to 12 carbon atoms; and k is 1 to 3. ##STR00001##

Inventors: Kato; Momoko (Kanagawa, JP), Ishitani; Tetsuji (Kanagawa, JP), Kawata; Yuko (Kanagawa, JP), Niikura; Yasuhiro (Kanagawa, JP)

Assignee: Semiconductor Energy Laboratory Co., Ltd.

International Classification: C09K 19/54 (20060101); C09K 19/52 (20060101); C07C 43/20 (20060101)

Expiration Date: 2019-11-04 0:00:00