Liquid crystal medium and multi-bottle system for twisted nematic LCD

摘要

Liquid crystal (LC) mixture contains at least two 4-cyano-3-fluorophenyl 4-n-alkyl- or 4-(trans-4-n-alkyl-cyclohexyl)-benzoates of formula (I), at least two 1-alkyl- or 1-n-alkoxy-4-(trans-4-n-alkyl-cyclohexyl)-cyclohexane or -benzene compounds of formula (II), at least two trans-4-(trans-4-n-alkyl-cyclohexyl)-cyclohexyl 4-n-alkyl-cyclohexanecarboxylates of formula (III) and at least two 4,4'-bis(trans-4-n-alkyl-cyclohexyl)-biphenyls of formula (IV): Where R1 = linear 2-7 carbon (C) alkyl; R2 and R4-7 = linear 2-5 C alkyl; R3 = linear 1-5 C alkyl or alkoxy; n = 0 or 1; L = hydrogen (H) or fluorine (F). Also claimed are multi-bottle systems containing this LC medium.