A mesomorphic compound of the formula (I) and an optically active compound of formula (II) are suitable as a component for a liquid crystal composition providing improved response characteristics and having an improved helical pitch at a cholesteric phase or a chiral smectic C phase. The above liquid crystal composition is useful as an element of a liquid crystal device providing a good display characteristics including a gradation display.
式(I)的介形化合物和式(II)的光学活性化合物适合用作液晶组合物的成分,该液晶组合物可提供更好的响应特性,并在胆甾相或手性 Smectic C 相上具有更好的螺旋间距。上述液晶组合物可用作液晶装置的元件,提供良好的显示特性,包括渐变显示。
A mesomorphic compound of the formula (I) according to Claim 1 and an optically active compound of the formula (II) according to Claim 2 are suitable as a component for a liquid crystal composition providing improved response characteristics and having an improved helical pitch at a cholesteric phase or a chiral smectic C phase. The above liquid crystal composition is useful as an element of a liquid crystal device providing a good display characteristics including a gradation display.