Cyclohexane derivatives, liquid-crystal composition, and liquid-crystal display element
    2.
    发明授权
    Cyclohexane derivatives, liquid-crystal composition, and liquid-crystal display element 失效
    环己烷衍生物,液晶组合物和液晶显示元件

    公开(公告)号:US06168839A

    公开(公告)日:2001-01-02

    申请号:US09331428

    申请日:1999-06-21

    IPC分类号: C09K1930

    摘要: Novel liquid crystalline compounds which have a wide temperature range of liquid crystal phase, are excellent in miscibility with other liquid crystalline compounds, have a low viscosity, are low in toxicity, and are safe; liquid crystal compositions comprising the liquid crystalline compound; and liquid crystal display devices fabricated by using the composition are provided; and the compounds are cyclohexane derivatives expressed by the general formula (1) wherein R represents an alkylene chain having 2 to 10 carbon atoms in which alkylene chain ethylene group (—CH2CH2—) may be replaced by ethenylene group (—CH═CH—) or methylenoxy group (—OCH2—); and M represents COOH or CN group.

    摘要翻译: 具有液晶相温度范围宽的新型液晶化合物与其它液晶化合物的混溶性优异,粘度低,毒性低,安全; 包含液晶化合物的液晶组合物; 并提供使用该组合物制造的液晶显示装置; 并且所述化合物是由通式(1)表示的环己烷衍生物,其中R表示具有2-10个碳原子的亚烷基链,其中亚烷基链亚乙基(-CH 2 CH 2 - )可以被亚乙烯基(-CH = CH-)代替) 或亚甲氧基(-OCH 2 - ); M表示COOH或CN基。

    Terphenyl derivative, liquid crystal composition and liquid crystal display device
    3.
    发明授权
    Terphenyl derivative, liquid crystal composition and liquid crystal display device 有权
    三联苯衍生物,液晶组合物和液晶显示装置

    公开(公告)号:US06596349B2

    公开(公告)日:2003-07-22

    申请号:US09836315

    申请日:2001-04-18

    IPC分类号: C09K1912

    摘要: The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties with temperature change, high &Dgr;n, and good compatibility with other liquid crystal materials particularly under a low temperature; liquid crystal compositions containing these crystalline compounds; and liquid crystal display devices made using these liquid crystal compositions. The liquid crystalline compounds are terphenyl derivatives represented by general formula (1): wherein R represents a straight or branched alkyl group of 1-20 carbon atoms, and any methylene groups (—CH2—) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X is a halogen atom, —OCF3, —OCF2H, —CF3, —CF2H or —CFH2; Y1, Y2, Y3, Y4, Y5 and Y6 independently represents H or F, but at least two of Y1, Y2, Y3 and Y4 represent F; and any atom constituting these compounds may be substituted by its isotope.

    摘要翻译: 本发明提供具有高电压保持率和低阈值电压的液晶化合物,这些性质与温度变化的变化小,DELTAn高,与其他液晶材料的相容性特别好,在低温下; 含有这些结晶化合物的液晶组合物; 以及使用这些液晶组合物制成的液晶显示装置。 液晶化合物是由通式(1)表示的三联苯衍生物:其中R表示1-20个碳原子的直链或支链烷基,每个烷基中不相邻的任何亚甲基(-CH 2 - )可以是 被氧原子取代; X是卤素原子,-OCF 3,-OCF 2 H,-CF 3,-CF 2 H或-CFH 2; Y1,Y2,Y3,Y4,Y5和Y6独立地表示H或F,但Y1,Y2,Y3和Y4中的至少两个表示F; 并且构成这些化合物的任何原子可以被其同位素取代。

    Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
    6.
    发明授权
    Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element 有权
    三联苯衍生物,液晶组合物和液晶显示元件

    公开(公告)号:US06344247B1

    公开(公告)日:2002-02-05

    申请号:US09269287

    申请日:1999-03-25

    IPC分类号: C09K1912

    摘要: The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties depending on temperature change, high &Dgr;n, and good compatibility with other liquid crystal materials particularly under a low temperature; liquid crystal compositions containing these crystalline compounds; and liquid crystal display devices comprising these liquid crystal compositions. The liquid crystalline compounds are terphenyl derivatives represented by general formula (1): wherein R represents a straight or branched alkyl group of 1-20 carbon atoms, and any methylene groups (—CH2—) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X represents halogen atom, —OCF3, —OCF2H, —CF3, —CF2H or —CFH2; Y1, Y2, Y3, Y4, Y5 and Y6 independently represents H or F, but at least two of Y1, Y2, Y3 and Y4 represent F; and any atom constituting these compounds may be substituted by its isotope.

    摘要翻译: 本发明提供了具有高电压保持率和低阈值电压的液晶化合物,这些特性根据温度变化几乎没有变化,高DELTAn,以及与其它液晶材料,特别是在低温下的良好相容性; 含有这些结晶化合物的液晶组合物; 以及包含这些液晶组合物的液晶显示装置。 液晶化合物是由通式(1)表示的三联苯衍生物:其中R表示1-20个碳原子的直链或支链烷基,每个烷基中不相邻的任何亚甲基(-CH 2 - )可以是 被氧原子取代; X表示卤素原子,-OCF 3,-OCF 2 H,-CF 3,-CF 2 H或-CFH 2; Y1,Y2,Y3,Y4,Y5和Y6独立地表示H或F,但Y1,Y2,Y3和Y4中的至少两个表示F; 并且构成这些化合物的任何原子可以被其同位素取代。

    Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition
    8.
    发明授权
    Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition 有权
    嘧啶衍生物,包含该衍生物的液晶组合物和使用该组合物制造的液晶显示装置

    公开(公告)号:US06326065B1

    公开(公告)日:2001-12-04

    申请号:US09203671

    申请日:1998-12-01

    IPC分类号: C09K1930

    摘要: Liquid crystalline compounds having a comparatively high voltage holding ratio, high &Dgr;n and high &Dgr;&egr;, and excellent miscibility with known liquid crystalline compounds at low temperatures. The novel compounds have the formula (1) wherein R represents hydrogen atom or an alkyl group having 1 to 20 carbon atoms; n1 and n2 are independently 0, 1, or 2 provided that the sum of n1 and n2 is 1 or 2; ring A and ring B independently represent 1,4-phenylene, fluorine substituted 1,4-phenylene expressed by the formula (a) in the specification or 1,4-cyclohexylene provided that at least one of ring A and ring B is fluorine substituted 1,4-phenylene expressed by the formula (a); Za, Zb, and Zc independently represent single bond, —CH2CH2—, —COO—, —CF2O—, or —CH2CH2CH2CH2—; Q1, Q2, Q3, Q4, Q5, Q6, and Q7 independently represent hydrogen atom, a halogen atom, or methyl group provided that when at least one of Za, Zb, and Zc is —CH2CH2—, then Q2 is fluorine atom, and that when Za, Zb, and Zc are all single bonds, then Q1, Q2, Q3, Q4, Q5, Q6, and Q7 independently represent hydrogen atom or fluorine atom; Y represents hydrogen atom, a halogen atom, or a halogenated alkyl group having 1 to 5 carbon atoms; and each atom constituting this compound may be replaced by its isotope.

    摘要翻译: 具有比较高的电压保持率,高DELTAn和高DELTAepsi的液晶化合物,以及在低温下与已知液晶化合物的优异的混溶性。 新化合物具有式(1)其中R表示氢原子或具有1至20个碳原子的烷基; n1和n2独立地为0,1或2,条件是n1和n2的和为1或2; 环A和环B独立地表示说明书中所示的1,4-亚苯基,由式(a)表示的氟取代的1,4-亚苯基或1,4-亚环己基,条件是环A和环B中的至少一个为氟取代的 由式(a)表示的1,4-亚苯基; Za,Zb和Zc独立地表示单键,-CH2CH2-,-COO-,-CF2O-或-CH2CH2CH2CH2-; Q1,Q2,Q3,Q4,Q5,Q6和Q7独立地表示氢原子,卤素原子或甲基,条件是当Za,Zb和Zc中的至少一个是-CH 2 CH 2 - 时,则Q2是氟原子, 当Za,Zb和Zc都是单键时,Q1,Q2,Q3,Q4,Q5,Q6和Q7独立地表示氢原子或氟原子; Y表示氢原子,卤素原子或碳原子数1〜5的卤代烷基; 并且构成该化合物的每个原子可以被其同位素代替。

    Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements
    9.
    发明授权
    Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements 有权
    氟烷基化液晶化合物,液晶组合物和液晶显示元件

    公开(公告)号:US06254941B1

    公开(公告)日:2001-07-03

    申请号:US09269286

    申请日:1999-03-25

    IPC分类号: C09K1912

    摘要: The present invention provides liquid crystalline compounds having a very high voltage holding ratio, very little variation of these properties depending on temperature, high &Dgr;n, and good compatibility in the other liquid crystal materials particularly under a low temperature, liquid crystal compositions containing these crystalline compounds, and liquid crystal display devices constituted by using the liquid crystal compositions. The liquid crystalline compounds are represented by general formula (1): wherein R represents an alkyl, alkoxy or alkoxyalkyl group of 2-20 carbon atoms, and in each group, any 1-3 hydrogen atoms may be replaced by fluorine atoms; X shows an halogen atom or an alkyl group of 1-20 carbon atoms, any methylene groups (—CH2—) not adjacent each other in the alkyl group may be replaced by oxygen atoms, and any one or more hydrogen atoms in the alkyl group may be replaced by fluorine atoms; Z1, Z2 and Z3, each independently, represents —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2—, —(CH2)3O—, —O(CH2)3— or a covalent bond; Y1-Y16 each independently represent hydrogen atoms or fluorine atoms, but at least two represent fluorine atoms; m represents 0 or 1, and any atom constituting the compound may be replaced by an isotope thereof.

    摘要翻译: 本发明提供了具有非常高的电压保持率的液晶化合物,这些性质随温度变化很小,DELTAn高,在其它液晶材料中特别是在低温下具有良好的相容性,含有这些结晶化合物的液晶组合物 ,以及使用液晶组合物构成的液晶显示装置。 液晶化合物由通式(1)表示:其中R表示2-20个碳原子的烷基,烷氧基或烷氧基烷基,并且在每一组中,任何1-3个氢原子可被氟原子取代; X表示卤素原子或1-20个碳原子的烷基,烷基中不相邻的任何亚甲基(-CH 2 - )可以被氧原子取代,并且烷基中的任何一个或多个氢原子 可以被氟原子取代; Z 2,Z 2和Z 3各自独立地表示 - (CH 2)2 - , - (CH 2)4 - , - CH 2 O - , - OCH 2 - , - (CH 2)3 O-,-O ; Y1-Y16各自独立地表示氢原子或氟原子,但至少两个表示氟原子; m表示0或1,构成化合物的任何原子可以被其同位素代替。