Nematic liquid crystal compounds of the formula: ##SPC1## Wherein X can be hydrogen, alkyl (R-), alkoxy (RO-), acyloxy ##EQU1## or alkylcarbonato ##EQU2## wherein R is an alkyl group of 1-10 carbon atoms, have positive dielectric anisotropy and are useful in electro-optic cells which comprise a thin liquid crystal layer between two closely spaced parallel electrodes.
Ester derivatives of 4-fluorophenol and liquid crystal compositions containing same
申请人:Chisso Corporation
公开号:EP0034350A1
公开(公告)日:1981-08-26
Novel fluorine-containing organic compounds having a positive dielectric anisotropy, useful as component(s) of liquid crystal compositions, and liquid crystal compositions containing the same are provided. The compounds have the general formula
wherein Z is
R, and R3both are 1 - 10C alkyl or alkoxy; R2 is H or 1 - 10C alkyl; and R4 is 1 - 10C alkyl.
提供了具有正介电常数各向异性、可用作液晶组合物成分的新型含氟有机化合物,以及含有这些化合物的液晶组合物。这些化合物具有通式
其中 Z 是
R和R3均为1-10C烷基或烷氧基;R2为H或1-10C烷基;R4为1-10C烷基。