A mesomorphic compound of the formula (I) according to Claim 1 characterized by having at least two ether groups between alkylene groups in a specific alkoxy perfluoroalkyl terminal group is suitable as a component for a liquid crystal composition providing improved response characteristics and a high contrast. A liquid crystal device is constituted by disposing the liquid crystal composition between a pair of substrates. The liquid crystal device is used as a display panel constituting a liquid crystal apparatus providing good display characteristics.
根据权利要求 1 所述的式(I)的介晶化合物,其特征是在特定的烷氧基
全氟烷基末端基团的亚烷基之间至少有两个醚基,适合作为液晶组合物的组分,提供更好的响应特性和高对比度。通过将液晶组合物置于一对基板之间,可构成液晶装置。该液晶装置用作构成液晶设备的显示面板,具有良好的显示特性。