摘要:
A liquid crystal compound containing an optically active group, suitable for use in a display mode utilizing ferroelectric liquid crystals, and a composition containing the same are provided, which compound is an optically active compound expressed by the general formula wherein X represents an alkyl group or an alkoxy group each having 1 to 18 carbon atoms and R * represents an optically active group.
摘要:
Biphenyl compounds which may be used as components of chiral smectic liquid crystal compositions. have the formula: wherein X represents F, Cℓ, Br, CN or H; and when X represents F, Cℓ, Br or Cn, one of R¹ and R² is a C₄-C₁₈ alkyl group having a methyl branch and the other is a C₁-C₂₀ alkyl group, or, when X represents H, one of R¹ and R² represents an alkyl group having a methyl branch of the formula: (wherein n represents an integer of 3 or more) and the ohter of n¹ and n² represents a C₁-C₂₀ alkyl group.
摘要:
A compound useful as a component constituting ferroelectric liquid crystal display elements and a liquid crystal composition containing the same are provided, which compound is expressed by the formula wherein R represents a linear or branched chain alkyl group of 1 to 20 carbon atoms and R* represents an optically active alkyl group, alkoxy group, alkoxyalkyl group, alkoxyalkoxy group, alkanoyloxyalkyl group, alkanoyloxyalkoxy group, halogenated alkyl group or halogenated alkoxy group each of 2 to 20 carbon atoms.
摘要:
3-Substituted biphenyl compound useful as components of chiral liquid crystal compositions (which compositions may be used for light-switching elements including ferroelectric liquid crystals) have the formula in which one of R¹ and R² is a C₄-C₁₈ alkyl group having a methyl branch and the other is a C₂-C₁₈ alkyl group; X is a fluorine, chlorine or bromine atom or a cyano group; and ℓ is 0 or 1.