Flüssigkristallverbindung, Zusammensetzung und Vorrichtung

摘要

A mesomorphic compound represented by the following formula (I): wherein R1, R2 and R3 independently denote methyl group or a mesomorphic residual group, at least one of R1, R2 and R3 being a mesomorphic residual group having an optically active group of the formula below as a terminal flexible group: wherein R4 is an alkyl group having 1 - 12 carbon atoms; n is an integer of 0 - 10; m is an integer of 1 - 10; and L is an integer of 1 - 100. The mesomorphic compound is usable for constituting a liquid crystal composition and a liquid crystal device having a large picture area and capable of showing an improved switching characteristic and a good impact resistance.