申请人:Canon Kabushiki Kaisha
公开号:US05462694A1
公开(公告)日:1995-10-31
A mesomorphic compound of the formula (I) according to claim 1 characterized by having at least one cyclic group selected from .beta. class including, e.g., thiazole-2,5-diyl, benzoxazole-2,5-diyl, indan-2,5-diyl, and quinoxaline-2,6-diyl and also having a linkage of Y.sup.1 (CH.sub.2).sub.m Y.sup.2, where Y.sup.1 and Y.sup.2 are --CH.sub.2 --, --O--, --COO-- or --OCO-- and m is 1-16, is suitable as a component for a liquid crystal composition providing improved response characteristics. 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,具有公式(I)的介向化合物的特征在于至少具有选择自β类的至少一个环状基团,例如噻唑-2,5-二基苯并噁唑-2,5-二基茚-2,5-二基和喹噁啉-2,6-二基,并且还具有Y1(CH2)mY2的连接,其中Y1和Y2是--CH2--,--O--,--COO--或--OCO--,而m为1-16,适用于液晶组分,提供改进的响应特性。通过在一对基板之间放置液晶组分构成液晶装置。该液晶装置用作显示面板,构成提供良好显示特性的液晶装置。