Phenylbicyclohexanol ester derivative
    2.
    发明授权
    Phenylbicyclohexanol ester derivative 失效
    苯基双环己醇酯衍生物

    公开(公告)号:US5266235A

    公开(公告)日:1993-11-30

    申请号:US853273

    申请日:1992-03-18

    IPC分类号: C09K19/30 C07C67/02 C07C69/74

    CPC分类号: C09K19/3003 C09K19/3068

    摘要: A phenylbicyclohexanol ester derivative which is a nematic liquid crystal compound having a weakly positive dielectric anisotropy is disclosed. This compound has a high N-I point and yet a low .DELTA.n value. When mixed with other nematic liquid crystal compound(s), it can give a liquid crystal display cell material having excellent visual properties and high-temperature driving properties.

    摘要翻译: 公开了具有弱正介电各向异性的向列型液晶化合物的苯基双环己醇酯衍生物。 该化合物具有高的N-I点,并且具有低的DELTA n值。 当与其它向列液晶化合物混合时,可以得到具有优异视觉特性和高温驱动性能的液晶显示元件材料。

    Nematic liquid crystal composition and liquid crystal display element that used the composition
    3.
    发明授权
    Nematic liquid crystal composition and liquid crystal display element that used the composition 有权
    向列液晶组合物和使用该组合物的液晶显示元件

    公开(公告)号:US07718232B2

    公开(公告)日:2010-05-18

    申请号:US10540033

    申请日:2003-12-19

    IPC分类号: C09K19/32 C09K19/30 C09K19/12

    摘要: A nematic liquid crystal composition having a negative dielectric constant anisotropy, comprising one or more compounds selected from the compounds represented by (IA) and (IB) of 10-70% by mass, one or more compounds selected from the compounds represented by (IIA) to (IID) of 10-70% by mass, the total content of one or more compounds selected from the compounds represented by (IA) to (IID) being 35-80% by mass, and a compound represented by (III) of 20-65% by mass: wherein R1 to R14 each independently represents an alkyl group having 1 to 10 carbon atoms, etc.; Z1 to Z11 each independently represents a single bond, etc.; Z1 to Z6 and Z9 to Z11 each independently represents —CF2O—, etc.; l and m represent 0 or 1; rings A, B, C and D represent a trans-1,4-cyclohexylene group, etc.; and rings B, C and D represent a trans-1,4-cyclohexenylene group.

    摘要翻译: 一种具有负介电常数各向异性的向列型液晶组合物,其包含一种或多种选自(IA)和(IB)表示的化合物中的一种或多种化合物为10-70质量%的一种或多种选自(IIA )至(IID)为10-70质量%,选自(IA)至(IID)所示的化合物中的一种或多种化合物的总含量为35〜80质量%,和由(III)表示的化合物 为20〜65质量%:其中,R 1〜R 14各自独立地表示碳原子数1〜10的烷基等。 Z1至Z11各自独立地表示单键等; Z1至Z6和Z9至Z11各自独立地表示-CF2O-等; l和m表示0或1; 环A,B,C和D表示反式-1,4-亚环己基等; 环B,C和D表示反式-1,4-亚环己烯基。

    Nematic liquid crystal composition and bistable nematic liquid crystal display
    9.
    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
    10.
    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。