Nematic liquid crystalline compounds
    46.
    发明授权
    Nematic liquid crystalline compounds 失效
    向列液晶化合物

    公开(公告)号:US4207252A

    公开(公告)日:1980-06-10

    申请号:US955351

    申请日:1978-10-27

    IPC分类号: C09K19/28 C07C153/11

    CPC分类号: C09K19/28

    摘要: A nematic liquid crystalline compound of the general formula ##STR1## wherein R.sub.1 represents a linear alkyl group containing 3 to 8 carbon atoms and R.sub.2 represents a linear alkyl g group containing 3 to 7 carbon atoms, or a cyano group, with the proviso that when R.sub.2 represents a linear alkyl group containing 3 carbon atoms, R.sub.1 does not represent a linear alkyl group containing 3 or 7 carbon atoms, and when R.sub.2 represents a cyano group, R.sub.1 does not represent a linear alkyl group containing 3 carbon atoms.

    摘要翻译: 一种通式为“IMAGE”的向列型液晶化合物,其中R 1表示含有3至8个碳原子的直链烷基,R 2表示含3至7个碳原子的直链烷基,或氰基,条件是当 R2表示含有3个碳原子的直链烷基,R1不表示含有3或7个碳原子的直链烷基,当R 2表示氰基时,R 1不表示含有3个碳原子的直链烷基。

    Nematic liquid crystal composition and bistable nematic liquid crystal display
    49.
    发明授权
    Nematic liquid crystal composition and bistable nematic liquid crystal display 失效
    向列型液晶组合物和双稳向列型液晶显示器

    公开(公告)号:US08252202B2

    公开(公告)日:2012-08-28

    申请号:US12451081

    申请日:2008-05-16

    摘要: A nematic liquid crystal composition of the present invention includes at least 20% by weight of one, or two or more compounds selected from compound group A; and 5 to 50% by weight of one, or two or more compounds selected from compound group B, wherein the relative proportions of the above-mentioned compounds used in the nematic liquid crystal composition is determined to simultaneously obtain the specific physical characteristics for the composition, and an anchoring breaking voltage Uλ/4 is less than or equal to 25 V when the product (Δn·d) of the refractive index anisotropy (Δn) at 20° C. and the thickness (d) is 140 nm and the liquid crystal composition is confined between two substrates for a bistable nematic liquid crystal display in which at least one of the substrates have a weak zenithal anchoring force.

    摘要翻译: 本发明的向列液晶组合物包含至少20重量%的选自化合物组A中的一种或两种或更多种化合物; 和5〜50重量%的选自化合物组B中的一种或两种以上的化合物,其中确定向列型液晶组合物中使用的上述化合物的相对比例,以同时获得组合物的具体物理特性 ,当在20℃下的折射率各向异性(&Dgr; n)的产品(&Dgr; n·d)和厚度(d)为140时,锚定断裂电压Uλ/ 4小于或等于25V 并且液晶组合物被限制在双稳态向列型液晶显示器的两个基板之间,其中至少一个基板具有弱的天顶锚定力。

    NEMATIC LIQUID CRYSTAL COMPOSITION AND BISTABLE NEMATIC LIQUID CRYSTAL DISPLAY
    50.
    发明申请
    NEMATIC LIQUID CRYSTAL COMPOSITION AND BISTABLE NEMATIC LIQUID CRYSTAL DISPLAY 失效
    NEMATIC液晶组合物和BISTABLE NEMATIC液晶显示器

    公开(公告)号:US20110211148A1

    公开(公告)日:2011-09-01

    申请号:US12451081

    申请日:2008-05-16

    摘要: A nematic liquid crystal composition of the present invention includes at least 20% by weight of one, or two or more compounds selected from compound group A; and 5 to 50% by weight of one, or two or more compounds selected from compound group B, wherein the relative proportions of the above-mentioned compounds used in the nematic liquid crystal composition is determined to simultaneously obtain the specific physical characteristics for the composition, and an anchoring breaking voltage Uλ/4 is less than or equal to 25 V when the product (Δn·d) of the refractive index anisotropy (Δn) at 20° C. and the thickness (d) is 140 nm and the liquid crystal composition is confined between two substrates for a bistable nematic liquid crystal display in which at least one of the substrates have a weak zenithal anchoring force.

    摘要翻译: 本发明的向列液晶组合物包含至少20重量%的选自化合物组A中的一种或两种或更多种化合物; 和5〜50重量%的选自化合物组B中的一种或两种以上的化合物,其中确定向列型液晶组合物中使用的上述化合物的相对比例,以同时获得组合物的具体物理特性 ,当在20℃下的折射率各向异性(&Dgr; n)的产品(&Dgr; n·d)和厚度(d)为140时,锚定断裂电压Uλ/ 4小于或等于25V 并且液晶组合物被限制在双稳态向列型液晶显示器的两个基板之间,其中至少一个基板具有弱的天顶锚定力。