Nematic liquid crystalline compounds
    47.
    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
    48.
    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
    49.
    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。

    Nematic liquid crystal composition and liquid crystal display device using the same
    50.
    发明授权
    Nematic liquid crystal composition and liquid crystal display device using the same 有权
    向列液晶组合物和使用其的液晶显示装置

    公开(公告)号:US07198827B1

    公开(公告)日:2007-04-03

    申请号:US09787614

    申请日:1999-09-10

    IPC分类号: C09K19/32 C09K19/30

    摘要: A nematic liquid crystal composition comprising compounds of the general formulas (I-1) to (I-5) each having naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl and 1,2,3,4-tetrahydronaphthalene-2,6-diyl, and a liquid display device using the same. This nematic liquid crystal composition broadens the operating temperature range of liquid crystal display characteristics due to an improvement in co-solubility and storage at low temperature, thereby making it possible to improve a reduction in driving voltage and a change in temperature and to attain comparatively fast response characteristics for a predetermined driving voltage. Accordingly, the nematic liquid crystal composition is best suited for use as TN, STN, TFT, IPS, MVA, OCB, ECB, PC, PNLC, PDLC, PSCT or the like.

    摘要翻译: 一种向列液晶组合物,其包含具有萘-2,6-二基,十氢萘-2,6-二基和1,2,3,4-四氢萘基的通式(I-1)至(I-5)的化合物, 2,6-二基和使用其的液体显示装置。 该向列型液晶组合物由于在低温下的共溶性和储存性的改善而使液晶显示特性的工作温度范围变宽,从而可以提高驱动电压的降低和温度变化,并且能够相对较快地获得 预定驱动电压的响应特性。 因此,向列型液晶组合物最适合用作TN,STN,TFT,IPS,MVA,OCB,ECB,PC,PNLC,PDLC,PSCT等。