摘要:
A novel liquid crystal compound useful as a component of liquid crystal compositions and a liquid crystal composition containing the same are provided, which compound is a phenoxypropanol ester derivative expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group or an alkoxy group each of 1 to 15 carbon atoms, F atom, Cl atom or CN group, but either one of R.sup.1 and R.sup.2 is necessarily said alkyl group or alkoxy group: A represents ##STR2## and B represents ##STR3##
摘要:
A novel 1,4-dipyrimidinylbenzene derivative which is useful as a component constituting a liquid crystal composition which is superior in properties and also physically and chemically stable, as a material for liquid crystal display elements, and a liquid crystal composition containing the same are provided, which derivative is expressed by the formula ##STR1## wherein X represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms, methylthio group or cyano group and Y represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.
摘要:
A compound which, when added as a component to other components, raises the N-I point of the resulting liquid crystal composition and nevertheless affords only a relatively small rise in viscosity of the composition, and a liquid crystal composition containing the same are provided, which compound is a 1-(trans-4'-alkylcyclohexyl)-2-4"-[trans-4"'-(trans-4""-alkylcyclohexyl)cyclohexylphenyl]ethane expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group of 1 to 10 carbon atoms.
摘要:
A novel pyrimidine derivative which, when used as a component of a liquid crystal composition, is useful for driving a liquid crystal cell containing the composition at low voltages, and a liquid crystal composition containing the same are provided, which pyrimidine derivative is expressed by the formula ##STR1## wherein n represents an integer of 0 or 1; R represents an alkyl or alkoxy group of 1 to 10 carbon atoms; and X.sub.1, X.sub.2 and X.sub.3 each represent hydrogen atom, F, Cl or Br as halogeno group, cyano group or trifluoromethyl group and at least one of X.sub.1, X.sub.2 and X.sub.3 is trifluoromethyl group.
摘要翻译:一种新颖的嘧啶衍生物,当用作液晶组合物的组分时,可用于驱动含有低电压的组合物的液晶盒,并且提供含有该组合物的液晶组合物,哪种嘧啶衍生物由 式其中n表示0或1的整数; R表示1〜10个碳原子的烷基或烷氧基; X 1,X 2,X 3各自表示氢原子,F,Cl或Br作为卤代基,氰基或三氟甲基,X 1,X 2和X 3中的至少一个为三氟甲基。
摘要:
Novel compounds which, when used as a components of liquid crystal compositions, have good compatibility with other components and also have large values of dielectric anisotropy and optical anisotropy, and liquid crystal compositions containing the same are provided, which compounds are 4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzoate expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 10 carbon atoms or --(CH.sub.2).sub.m --O--(CH.sub.2).sub.p --CH.sub.3 wherein m and p each represent an integer of 0 to 8 and m+p.ltoreq.8, and X represents a halogen atom.
摘要:
A novel compound usable as a component constituting liquid crystal materials having a positive dielectric anisotropy value and a liquid crystal composition containing the same are provided, which compound is an alcohol derivative expressed by the general formula ##STR1## wherein R.sup.1 represents a hydroxyalkyl group of 1 to 10 carbon atoms having hydroxyl group at the end or an intermediate position thereof; R.sup.2 represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms or --C.tbd.N; and ##STR2## represents ##STR3## and when R.sup.2 represents --C.tbd.N, ##STR4## represents ##STR5##
摘要翻译:提供了可用作构成具有正介电各向异性值的液晶材料的组分的新化合物和含有该组合物的液晶组合物,该化合物是由通式(I)表示的醇衍生物,其中R 1表示羟基烷基 在其末端或中间位置具有羟基的1至10个碳原子的基团; R 2表示碳原子数1〜10的烷基或烷氧基或碳原子数3以下的烷氧基; 而代表,当R2代表-C 3BOND N时,代表
摘要:
Novel liquid crystal compounds having a large positive dielectric anisotropy value and also a low viscosity and a good stability to heat, light, air and water, and liquid crystal compositions containing the same are provided, which compounds are fluorobenzene derivatives expressed by the general formula ##STR1## wherein n represents 1 or 2, X represents CN or COCH.sub.3, and R represents hydrogen atom or an alkyl group or an alkoxy group each of 1 to 15 carbon atoms.
摘要:
A novel organic compound usable as a component of liquid crystal compositions having a positive value of dielectric anisotropy and a liquid crystal composition usable as a material for liquid-crystalline display devices operated under a low driving voltage are provided which compound is a benzoic acid ester derivative expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 10 carbons and X represents ##STR2##
摘要:
A novel ester compound exhibiting liquid crystal phases within a broad temperature range and having a low viscosity and a high compatibility with liquid crystal compounds, and a liquid crystal composition containing the same are provided, which ester compound is expressed by the formula ##STR1## wherein X represents F or Cl; Y and Z each represent H, F or Cl and when either one of Y or Z is H, the other is F or Cl and further when X is Cl, Y and Z are not both Cl; --A-- represents a member selected from the group consisting of ##STR2## and R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.
摘要:
Novel liquid crystal compounds having superior properties and liquid crystal compositions containing the same are provided, which compounds are expressed by the general formula ##STR1## wherein R.sub.1 represents an alkyl group or an alkoxy group, each having 1 to 10 carbon atoms and R.sub.2 represents cyano group or an alkyl group having 1 to 10 carbon atoms.