Ferroelectric liquid crystal mixture

摘要

A ferroelectric liquid crystal mixture which does not lower the conventional transition temperature to the ferroelectric phase (60 DEG C. or above), which maintains the Sa phase within a suitable temperature range, and which is useful for reducing the cone angle is disclosed. The ferroelectric liquid crystal mixture contains at least one of the compounds represented by the following general formulae 1 to 3, and exhibits a Sa/Sc phase transition temperature of 60 DEG C. or more and a cone angle of 47 degree or less atsome temperature between 15 DEG C. and 35 DEG C.: Formula 1: <IMAGE> Formula 2: <IMAGE> Formula 3: <IMAGE>