An optically active compound of the formula (I) according to Claim 1 is suitable as a component for a liquid crystal composition providing improved response speed. The optically active compound of the formula (I) is characterized by having a fluorine-substituted optically active cite and
group connected by 1 - 6 methylene group. The above liquid crystal composition is useful as an element of a liquid crystal device and a display apparatus providing a good display characteristics.
根据权利要求 1 所述的式(I)光学活性化合物可用作液晶组合物的成分,从而提高响应速度。式(I)的光学活性化合物的特征是具有
氟取代的光学活性引物和
基团由 1 - 6 个亚甲基连接。上述液晶组合物可用作液晶装置和显示设备的元件,提供良好的显示特性。