申请人:Chisso Corporation
公开号:US06045720A1
公开(公告)日:2000-04-04
A compound expressed by the following formula (1) and a liquid crystalline composition with using it are provided: ##STR1## wherein, either one of rings A, B and C denotes ##STR2## remaining two of them denote each independently ##STR3## R denotes an alkyl group or an alkoxy group with 4-16 carbon atoms, R* denotes ##STR4## in which, R.sub.1 denotes CH.sub.3, CF.sub.3, CH.sub.2 F or CHF.sub.2, R.sub.2 denotes an alkyl group with 1-10 carbon atoms and m denotes 2-12. The said compound exhibits a ferroelectric liquid crystalline phase and an antiferroelectric liquid crystalline phase by itself.
提供以下公式(1)表示的化合物和使用它的液晶组合物:其中,环A、B和C中的任意一个表示,其余两个分别表示,R表示具有4-16个碳原子的烷基或烷氧基,R*表示其中,R1表示CH3、CF3、CH2 F或CHF2,R2表示具有1-10个碳原子的烷基,m表示2-12。该化合物本身表现出铁电液晶相和反铁电液晶相。