Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same

摘要

A ferroelectric chiral smectic liquid crystal composition, comprising at least one optically active compound represented by the following formula (I): <IMAGE> (I) wherein R1 denotes a linear alkyl group having 1-14 carbon atoms; R2 denotes a linear or branched alkyl group having 1-14 carbon atoms capable of having a subtituent; and X1 denotes a single bond, <IMAGE> and at least one compound represented by the following formula (II): <IMAGE> (II) wherein R3 denotes a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; R4 denotes a linear alkyl group having 1-10 carbon atoms; X2 denotes a single bond, <IMAGE> <IMAGE> <IMAGE> <IMAGE> <IMAGE>