Halogen-containing heterocyclic compound and liquid crystal composition
申请人:Chisso Corporation
公开号:US04765924A1
公开(公告)日:1988-08-23
A novel liquid crystalline, halogen-containing heterocyclic compound having a characteristic that even when its S.sub.c * phase is supercooled, no other smectic phases appear, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 and R.sub.2 each represent an alkyl group of 2 to 18 carbon atoms; X represents --N.dbd. or --CH.dbd.; Y represents F or Cl; n represents an integer of 0 to 10; and a symbol * represents an asymmetric carbon atom.
Ferroelectric pyridine compounds and liquid crystal compositions containing them
申请人:Chisso Corporation
公开号:EP0228303A1
公开(公告)日:1987-07-08
Ferroelectric pyridine compounds suitable for use as liquid crystals for display modes utilizing ferroelectric properties have the formula:
in which n is 0 or an integer of from 1 to 8; R, is a C2-C18 alkyl group; and R2 is a C1-C18 alkyl group.
Halogen-containing heterocyclic compounds and liquid crystal compositions containing them
申请人:Chisso Corporation
公开号:EP0233706A2
公开(公告)日:1987-08-26
Liquid crystalline, halogen-containing heterocyclic compounds, useful in liquid crystal composition have the formula:
in which R₁ and R₂ and each represent a C₂-C₁₈ alkyl group, X is -N= or =CH=; Y is F or Cℓ; n is 0 or an integer of l to l0; and the symbol* indicates an asymmetric carbon atom.