摘要:
The present invention is characterized by a smectic liquid crystal compound represented by the following formula: wherein R is selected from alkyl and alkoxy groups; m and n are natural numbers: and R * is an optically active group containing an asymmetric carbon atom, and a liquid crystal composition containing said compound as a component. This compound is excellent in optical stability and high-speed response.
摘要:
The present invention is characterized by a smectic liquid crystal compound represented by the following formula: wherein R is selected from alkyl and alkoxy groups;
m and n are natural numbers: and R * is an optically active group containing an asymmetric carbon atom, and a liquid crystal composition containing said compound as a component. This compound is excellent in optical stability and high-speed response.
摘要:
A novel optically active liquid crystal compound and a liquid crystal composition containing the same are provided, which compound is expressed by the formula wherein R 1 is alkyl or alkoxy of 4 - 18 C; R 2 is alkyl, alkoxy, acyl or alkoxymethyl of 4 - 18C; but either one of R 1 or R 2 is an optically active group; either one of X 1 or X 2 is halogen atom and the other is H; m and n each are 0 or 1 and m+n is 0 or 1.
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 ferroelectric liquid crystal compound having superior properties and a chiral smectic liquid crystal composition are provided, which ferroelectric liquid crystal is expressed by the formula wherein R represents an alkyl group of 2-18C; A, -COO- or -OCO-; ℓ and m each, 1 or 2 but f + m = 2 or 3; n, an integer of 2-8; and symbol * , an asymmetric carbon atom.