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    Liquid crystal composition and liquid crystal display device
    21.
    发明授权
    Liquid crystal composition and liquid crystal display device 有权
    液晶组成和液晶显示装置

    公开(公告)号：US07914860B2

    公开(公告)日：2011-03-29

    申请号：US12293542

    申请日：2007-03-05

    申请人： Hiroaki Fujita ,  Norikatsu Hattori

    发明人： Hiroaki Fujita ,  Norikatsu Hattori

    IPC分类号： C09K19/30 ,  C09K19/12

    CPC分类号： C09K19/12 ,  C09K19/44 ,  C09K2019/0407 ,  C09K2019/0411 ,  C09K2019/123 ,  G02F1/0045 ,  G02F2001/13712 ,  Y10T428/10

    摘要： A liquid crystal composition is provided that has a wide temperature range of a nematic phase, has a suitable optical anisotropy, has a large negative dielectric anisotropy and has a large specific resistance, and a liquid crystal composition is provided that can increase an optical anisotropy and has a low minimum temperature of a nematic phase, preferably −20° C. or less, while satisfying the aforementioned characteristics. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition of the invention has a negative dielectric anisotropy and contains a liquid crystal compound having terphenyl having one or two fluorines replacing hydrogen as a first component and a liquid crystal compound having phenylene having two halogens replacing hydrogens as a second component. The liquid crystal display device of the invention contains the liquid crystal composition.

    摘要翻译： 提供具有向列相的宽温度范围的液晶组合物，具有适当的光学各向异性，具有大的负介电各向异性并且具有大的电阻率，并且提供可以增加光学各向异性的液晶组合物， 具有低的向列相的最低温度，优选为-20℃以下，同时满足上述特性。 还提供了含有液晶组合物的液晶显示装置。 本发明的液晶组合物具有负的介电各向异性，并且含有具有取代氢作为第一组分的一或两个氟的三联苯的液晶化合物和具有替代氢作为第二组分的具有两个卤素的亚苯基的液晶化合物。 本发明的液晶显示装置含有液晶组合物。

    Liquid crystal composition and liquid crystal display device
    23.
    发明申请
    Liquid crystal composition and liquid crystal display device 失效
    液晶组成和液晶显示装置

    公开(公告)号：US20060118764A1

    公开(公告)日：2006-06-08

    申请号：US11293121

    申请日：2005-12-05

    申请人： Hiroaki Fujita ,  Norikatsu Hattori

    发明人： Hiroaki Fujita ,  Norikatsu Hattori

    IPC分类号： C09K19/30 ,  C09K19/52 ,  C09K19/12

    CPC分类号： C09K19/3048 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3066 ,  C09K2019/0407 ,  C09K2019/3027 ,  Y10T428/10

    摘要： A liquid crystal composition comprising as a first component at least two compounds selected from the group of compounds represented by formula (1), and having a negative dielectric anisotropy: wherein R1 is independently alkyl having 1 to 10 carbons or alkenyl having 2 to 10 carbons; R2 is independently alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, or alkoxy having 1 to 9 carbons; Z1 is independently a single bond, —C2H4—, —CH2O—, or —CH═CH—; ring A is independently 1,4-cyclohexylene or 1,4-phenylene; and n is independently 0 or 1.

    摘要翻译： 一种液晶组合物，其包含作为第一组分的至少两种选自式（1）表示的化合物的化合物，并具有负的介电各向异性：其中R 1独立地为具有1至10个的烷基 具有2至10个碳的碳或烯基; R 2独立地为具有1至10个碳的烷基，具有2至10个碳的烯基或具有1至9个碳的烷氧基; Z 1是独立的单键，-C 2 H 4 - ， - CH 2 O - 或 - -CH-CH-; 环A独立地为1,4-亚环己基或1,4-亚苯基; 且n独立地为0或1。

    Liquid crystal composition and liquid crystal display device
    24.
    发明授权
    Liquid crystal composition and liquid crystal display device 有权
    液晶组成和液晶显示装置

    公开(公告)号：US08366964B2

    公开(公告)日：2013-02-05

    申请号：US13073730

    申请日：2011-03-28

    申请人： Taketo Maeda ,  Norikatsu Hattori ,  Hiroaki Fujita

    发明人： Taketo Maeda ,  Norikatsu Hattori ,  Hiroaki Fujita

    IPC分类号： C09K19/00 ,  C09K19/06 ,  C09K19/30 ,  C09K19/52 ,  G02F1/13

    CPC分类号： C09K19/42 ,  C09K19/20 ,  C09K19/3066 ,  C09K2019/0466 ,  C09K2019/301 ,  Y10T428/10 ,  Y10T428/1036

    摘要： The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention provides a liquid crystal composition that has a nematic phase and includes a specific three-ring compound having a large dielectric anisotropy as a first component and a specific four-ring compound having a high maximum temperature and a large dielectric anisotropy as a second component, and a liquid crystal display device containing the composition.

    摘要翻译： 本发明提供一种液晶组合物，其满足以下特征中的至少一种：向列相的最高的最高温度，向列相的低的最低温度，小的粘度，适当的光学各向异性，大的介电各向异性， 大的电阻率，大的弹性常数，对紫外线的高稳定性和对热的高稳定性，或者对于至少两种特性适当地平衡; 并且提供具有短的响应时间，大的电压保持率，大的对比度，长的使用寿命等的AM装置。 本发明提供一种液晶组合物，其具有向列相，并且包括具有大的介电各向异性作为第一组分的特定三环化合物和具有高的最高温度和较大介电各向异性的特定的四环化合物作为第二组分 和含有该组合物的液晶显示装置。

    Liquid crystal composition and liquid crystal display device
    26.
    发明授权
    Liquid crystal composition and liquid crystal display device 有权
    液晶组成和液晶显示装置

    公开(公告)号：US07514128B2

    公开(公告)日：2009-04-07

    申请号：US11378802

    申请日：2006-03-16

    申请人： Hiroaki Fujita ,  Teru Shimada ,  Norikatsu Hattori

    发明人： Hiroaki Fujita ,  Teru Shimada ,  Norikatsu Hattori

    IPC分类号： C09K19/30 ,  C09K19/12 ,  C09K19/20

    CPC分类号： C09K19/3001 ,  C09K2019/0411 ,  C09K2019/3004 ,  C09K2019/3006 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3071 ,  C09K2019/3077 ,  Y10T428/10 ,  Y10T428/1036

    摘要： What are provided include a liquid crystal composition that satisfies many characteristics among the characteristics such as a wide temperature range of a nematic phase, a suitable optical anisotropy, a negatively large dielectric anisotropy, and a large specific resistance, a liquid crystal composition that satisfies the characteristics and simultaneously has a small optical anisotropy and a low minimum temperature of a nematic phase, and preferably approximately −20° C. or less, and a liquid crystal display device containing the composition. The liquid crystal composition has a negative dielectric anisotropy and contains a first component containing a liquid crystal compound containing, as one of the groups having a ring structure, a benzene ring having two hydrogens adjacent to each other replaced by fluorine and chlorine, and a second component containing a liquid crystal compound having a specific structure containing no halogen, and the liquid crystal display device contains the liquid crystal composition.

    摘要翻译： 提供的液晶组合物满足在向列相的宽温度范围，适当的光学各向异性，负的大的介电各向异性和大的电阻率等特性中的许多特性的液晶组合物， 特性，同时具有向列相的小的光学各向异性和低的最低温度，优选为约-20℃以下，以及含有该组合物的液晶显示装置。 液晶组合物具有负的介电各向异性，并且含有含有液晶化合物的第一组分，该液晶化合物作为具有环结构的基团之一，具有彼此相邻的两个氢被氟和氯取代的苯环，第二组分 含有不含卤素的特定结构的液晶化合物的组分，液晶显示装置含有液晶组合物。