Fluorophenylcyclohexane derivative
    12.
    发明授权
    Fluorophenylcyclohexane derivative 失效
    氟苯基环己烷衍生物

    公开(公告)号:US4855076A

    公开(公告)日:1989-08-08

    申请号:US907092

    申请日:1986-09-15

    CPC分类号: C07C255/00 C09K19/3068

    摘要: A novel fluorophenylcyclohexane derivative useful as a component of liquid crystal compositions used for liquid crystal display elements, and a liquid crystal composition containing the same are provided, which fluorophenylcyclohexane derivative is expressed by the formula ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 10 carbon atoms; R.sup.2 represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; a.sup.1 represents a hydrogen atom and a.sup.2 represents a fluorine atom; A represents a 1,4-phenylene group; l and m each represent an integer of 0, 1 or 2 or 3; and a value of (l+m) is 2 or 3.

    摘要翻译: 提供了用作液晶显示元件用液晶组合物成分的新型氟苯基环己烷衍生物和含有该氟代苯基环己烷衍生物的液晶组合物,其中,R 1表示1〜 10个碳原子; R2表示1〜10个碳原子的烷基或烷氧基; a1表示氢原子,a2表示氟原子。 A表示1,4-亚苯基; l和m各自表示0,1或2或3的整数; (l + m)的值为2或3。

    Cyclohexane derivative
    13.
    发明授权
    Cyclohexane derivative 失效
    环己烷衍生物

    公开(公告)号:US4695398A

    公开(公告)日:1987-09-22

    申请号:US838630

    申请日:1986-03-12

    CPC分类号: C09K19/3003 C07C25/18

    摘要: A compound which, when used as a component of a liquid crystal composition, has an effectiveness of notably reducing the viscosity and the operating voltage of the resulting liquid crystal composition, and a liquid crystal composition containing the same are provided, which compound is a cyclohexane derivative expressed by the formula ##STR1## wherein R represents hydrogen atom or an alkyl group of 1 to 10 carbon atoms.

    摘要翻译: 当用作液晶组合物的组分时,具有显着降低所得液晶组合物的粘度和操作电压的效果的化合物,并且提供含有该液晶组合物的液晶组合物,该化合物是环己烷 由式表示的衍生物,其中R表示氢原子或1-10个碳原子的烷基。

    Ester compound
    16.
    发明授权
    Ester compound 失效
    酯化合物

    公开(公告)号:US4696759A

    公开(公告)日:1987-09-29

    申请号:US859801

    申请日:1986-05-05

    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.

    摘要翻译: 一种在宽温度范围内显示液晶相并具有低粘度和与液晶化合物的高相溶性的新型酯化合物和含有该酯化合物的液晶组合物,其中该化合物由下式表示:其中 X表示F或Cl; Y和Z各自表示H,F或Cl,当Y或Z中的任一个为H时,另一个为F或Cl,并且当X为Cl时,Y和Z不同时为Cl; -A-表示选自 + TR 的成员,R表示 各自为1〜10个碳原子的烷基或烷氧基。

    2-cyano-4-halogenophenyl substituted-benzoates
    17.
    发明授权
    2-cyano-4-halogenophenyl substituted-benzoates 失效
    2-氰基-4-卤代苯基取代的苯甲酸酯

    公开(公告)号:US4659501A

    公开(公告)日:1987-04-21

    申请号:US692166

    申请日:1985-01-17

    摘要: Novel liquid crystal compounds, 2-cyano-4-halogenophenyl substituted-benzoates suitable as a component constituting a liquid crystal composition which exhibits a negative dielectric anisotropy, and a liquid crystal composition containing the same are provided, which benzoates are expressed by the formula ##STR1## wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; ##STR2## represents ##STR3## or ##STR4## X and Y each represents H or a halogen atom of F or Cl and at least one of X and Y is necessarily H; and Z represents a halogen atom of F, Cl or Br.

    摘要翻译: 提供适合作为构成具有负介电各向异性的液晶组合物的组分的2-氰基-4-卤代苯基取代的苯甲酸酯和含有它们的液晶组合物的新型液晶化合物,其中苯甲酸酯由式 其中R表示1〜10个碳原子的烷基或烷氧基; 表示,X和Y各自表示H或F或Cl的卤素原子,X和Y中的至少一个必须为H; Z表示F,Cl或Br的卤素原子。

    Ester derivative having a positive dielectric anisotropy
    18.
    发明授权
    Ester derivative having a positive dielectric anisotropy 失效
    具有正介电各向异性的酯衍生物

    公开(公告)号:US4659500A

    公开(公告)日:1987-04-21

    申请号:US774945

    申请日:1985-09-11

    摘要: A novel ester derivative affording a positive large dielectric anisotropy value (.DELTA..epsilon.) of liquid crystal compositions and also reducing the optical anisotropy value (.DELTA.n) thereof when the derivative is contained therein, and a liquid crystal composition containing the ester derivative are provided, which ester derivative is expressed by the formula ##STR1## wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms and X represents F or Cl.

    摘要翻译: 提供液晶组合物的正大介电各向异性值(DELTAε),并且当其中含有衍生物时还降低其光学各向异性值(DELTA n)的新型酯衍生物和含有酯衍生物的液晶组合物, 该酯衍生物由下式表示:其中R表示1-10个碳原子的烷基或烷氧基,X表示F或Cl。

    2-cyano-4-halogenophenyl esters
    20.
    发明授权
    2-cyano-4-halogenophenyl esters 失效
    2-氰基-4-卤代苯基酯

    公开(公告)号:US4603018A

    公开(公告)日:1986-07-29

    申请号:US530786

    申请日:1983-09-09

    摘要: New compounds useful as constituents of liquid crystal compositions exhibiting a negative dielectric anisotropy are provided, which are 2-cyano-4-halogenophenyl esters expressed by the general formula ##STR1## wherein R represents hydrogen atom or an alkyl group or an alkoxy group of 1 to 10 carbon atoms; ##STR2## each represent either one of ##STR3## l, m and n each represent 0 or 1 and the total of l+m+n is 1, 2 or 3; X represents F or Cl; and Y and Z each represent hydrogen atom or F or Cl.

    摘要翻译: 提供了作为表现出负介电各向异性的液晶组合物成分的新化合物,它们是由通式(I)表示的2-氰基-4-卤代苯基酯,其中R表示氢原子或烷基或烷氧基 1〜10个碳原子的基团; 每个代表 1,m和n各自表示0或1,并且l + m + n的总和为1,2或3; X表示F或Cl; Y和Z各自表示氢原子或F或Cl。