Main-chain polymeric liquid crystal compound, main-chain polymeric liquid crystal copolymer compound, their polymeric liquid crystal composition, a polymeric liquid crystal device which uses them, and apparatus and method which use 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: 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).