Liquid crystal composition

摘要

A liquid crystal composition which comprises of at least one compound selected from each of the following groups of compound: the first group which consists of compounds expressed as the structural formulas, <IMAGE> and <IMAGE> the second group which consists of compounds expressed as the structural formulas, <IMAGE> and <IMAGE> the third group which consists of compounds expressed as the structural formulas, <IMAGE> <IMAGE> and <IMAGE> the fourth group which consists of compounds expressed as the structural formulas, <IMAGE> <IMAGE> and <IMAGE> and the fifth group which consists of compounds expressed as the structural formula, <IMAGE> wherein groups R1 to R19 are all straight-chain, alkyl groups expressed as CnH2n+1 (n=1 DIFFERENCE 7).