A compound suitable as a low viscosity additive compound for use in liquid crystal materials useful in electro-optical display devices has a formula:
wherein A is selected from:
and B is selected from:
where R1 is selected from alkyl, alkoxy, alkylcarbonyloxy and alkoxycarbonyloxy; and R2 is alkyl; and where
is a benzene ring;
is a cyclohexane ring, which is in the trans-configuration if di-substituted; and
is a bicyclo (2,2,2) octane ring.
一种适用于电子光学显示设备中液晶材料的低粘度添加剂化合物具有以下式子: 其中 A 选自: B 选自: 其中 R1 选自烷基、烷氧基、烷基羰氧基和烷氧基羰氧基;R2 是烷基;其中是苯环;是
环己烷环,如果是二取代环,则处于反式构型;是双环 (2,2,2)
辛烷环。