Chiral smectic liquid crystal compound, chain polymeric liquid crystal copolymer compound, their polymeric liquid crystal composition, a polymeric liquid crystal device which uses them, and apparatus and method which uses the same

摘要

A chain polymeric liquid crystal compound having a structure expressed by the following general formula [I] as a flexible spacer and a chain polymeric liquid crystal copolymer compound, a polymeric liquid crystal composition containing at least one of their compounds and at least any one of a polymeric compound, a polymeric liquid crystal compound, a low molecular weight liquid crystal compound and a low molecular weight liquid crystal compound, a polymeric liquid crystal device which uses the same, and an apparatus and a method which use the polymeric liquid crystal device: <IMAGE> General Formula [I] (where X is -O-, -O-CH2-CH2-, -O-CH2-, <IMAGE> <IMAGE> Y is -(CH2)n- (n=1 to 18), Z is a halogen atom, an alkyl group or an alkoxy group, and * is an asymmetric carbon atom).