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 compound represented by the following formula (I): <CHEM> wherein R1 and R2 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent; X1 and X2 respectively denote a single bond, -O-, -O @-, -@O- or -O @O-; Y1 denotes -CH2O- or -OCH2-; and m and n are respectively 1 or 2; and at least one compound represented by the following formula (II): <CHEM> wherein R3 denotes a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent; X3 denotes a single bond, -O- or - @O-; Z denotes a single bond or - @O-; <CHEM> denotes <CHEM> and p is an integer of 1 - 12. o