申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US06004478A1
公开(公告)日:1999-12-21
A silacyclohexane compound of the formulas (I) ##STR1## wherein R represents an organic residue, ##STR2## represents an unsubstituted or substituted silicon-containing cyclohexylene group or a 1,4-cyclohexylene group, ##STR3## represents an unsubstituted or substituted phenylene, an unsubstituted or substituted silicon-containing cyclohexylene group or trans-4-sila-1,4-cyclohexylene group, or a 1,4-cyclohexylene group provided that at least one of these residues represents a silicon-containing cyclohexylene group, j, k and l are, respectively, 0 or 1, L.sub.1 and L.sub.2, respectively, represent H or F, m and n are, respectively, 0, 1 or 2 provided that m+n=2, 3 or 4, and X represents H, F or Cl. A liquid crystal composition comprising the silacyclohexane compound of the above formula is also described, along with a liquid crystal device comprising the composition.
化学式(I)的硅环己烷化合物##STR1##其中R代表有机残基,##STR2##代表未取代或取代的含硅环己基团或1,4-环己基团,##STR3##代表未取代或取代的苯基、未取代或取代的含硅环己基团或反-4-硅-1,4-环己基团,或1,4-环己基团,其中至少一个这些残基代表含硅环己基团,j、k和l分别为0或1,L.sub.1和L.sub.2分别代表H或F,m和n分别为0、1或2,但要求m+n=2、3或4,X代表H、F或Cl。还描述了包括上述化学式的硅环己烷化合物的液晶组合物,以及包括该组合物的液晶器件。