FLÜSSIGKRISTALLINES MEDIUM

摘要

A liquid crystal medium based on a mixture of polar compounds with positive dielectric anisotropy also contains a triscyclohexylene- substituted fluorine compound. A liquid crystal medium based on a mixture of polar compounds with positive dielectric anisotropy also contains a triscyclohexylene-substituted fluorine compound of formula (I). R1 = optionally halogenated 1-15C alkyl or alkoxy optionally with one or more CH2 groups replaced by -C-triple bond-C-, -CH:CH-, -O-, -CO-O- or -O-CO- such that O atoms are non-adjacent; X = F, Cl, CN or 1-6C halogenated alkyl, alkenyl, alkoxy or alkenyloxy; and L1 and L2 = H or F