利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

120 条记录 (耗时 0.034 秒)

    Difluoromethyl ether derivative and process for producing the same
    2.
    发明授权
    Difluoromethyl ether derivative and process for producing the same 有权
    二氟甲基醚衍生物及其制备方法

    公开(公告)号：US06605747B2

    公开(公告)日：2003-08-12

    申请号：US09925608

    申请日：2001-08-10

    申请人： Tomoyuki Kondo ,  Kouki Sagou ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondo ,  Kouki Sagou ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    IPC分类号： C07C4106

    CPC分类号： C09K19/3066 ,  C09K19/20 ,  C09K19/3402 ,  C09K19/3458 ,  C09K19/3469 ,  C09K19/3491 ,  C09K19/42 ,  C09K2019/0466 ,  C09K2019/3422 ,  Y10T428/10

    摘要： The present invention provides a difluoromethyl ether derivative which shows various suitable physical properties as a liquid crystal compound, a liquid crystal composition comprising the compound and a liquid crystal display element containing the composition, and also provides a simple and efficient process for producing the difluoromethyl ether derivative. According to the present invention, a process for producing a difluoromethyl ether derivative represented by Formula (1d): wherein the variables are defined in the specification, is characterized by using an &agr;&agr;-difluorocyclohexylidene derivative represented by Formula (1a): wherein R1, rings A1 and A2, Z1, Z2, k and l have the same meanings as defined in the specification, as a starting material.

    摘要翻译： 本发明提供一种二氟甲基醚衍生物，其显示出作为液晶化合物的各种合适的物理性质，包含该化合物的液晶组合物和含有该组合物的液晶显示元件，并且还提供了制备二氟甲基醚的简单有效的方法 衍生物。 根据本发明，由式（1d）表示的二氟甲基醚衍生物的制造方法，其特征在于，使用由式（1a）表示的αα-二氟亚环己基衍生物：其中，R1， A1和A2，Z1，Z2，k和l具有与说明书中定义的相同的含义作为起始材料。

    Substituted benzene derivative, liquid crystal composition, and liquid crystal display element
    6.
    发明授权
    Substituted benzene derivative, liquid crystal composition, and liquid crystal display element 有权
    取代苯衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US06579577B2

    公开(公告)日：2003-06-17

    申请号：US09917271

    申请日：2001-07-30

    申请人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1912

    CPC分类号： C07C17/12 ,  C07C17/263 ,  C07C17/35 ,  C07C25/18 ,  C07C43/225 ,  C09K19/14 ,  C09K19/20 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  Y10T428/10

    摘要： There is provided a liquid crystalline compound having a high voltage holding ratio which has a very small degree of temperature dependence, a low threshold voltage which has a very small degree of temperature dependence, a high &Dgr;n, and excellent miscibility with other liquid crystal materials at low temperature; a liquid crystal composition; and a liquid crystal display element, and the liquid crystalline compound is a substituted benzene derivative represented by general formula (1), where, R represents a straight chain or branched alkyl group having 1 to 20 carbon atoms in which each of optional and nonadjacent methylene groups (—CH2—) may be substituted by an oxygen atom; X represents a halogen atom, —CF3, —CF2H, —CFH2, —OCF3 or —OCF2H; each of Z1 and Z2 independently represents —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2— or a covalent bond, but Z1 and Z2 are not covalent bonds simultaneously; each of Y1, Y2, Y3, Y4, Y5, and Y6 independently represents H or F, but at least one of Y1, Y2, Y3, and Y4 represents F.

    摘要翻译： 提供了具有非常小的温度依赖性的高电压保持率的液晶化合物，具有非常小的温度依赖性的低阈值电压，高DELTAn和与其它液晶材料的优异的混溶性 低温; 液晶组合物; 和液晶显示元件，液晶化合物是通式（1）表示的取代苯衍生物，其中，R表示碳原子数1〜20的直链或支链烷基，其中任选的和不相邻的亚甲基 基团（-CH 2 - ）可以被氧原子取代; X表示卤素原子，-CF 3，-CF 2 H，-CFH 2，-OCF 3或-OCF 2 H; Z 1和Z 2各自独立地表示 - （CH 2）2 - ， - （CH 2）4 - ， - CH 2 O-，-OCH 2 - 或共价键，但Z 1和Z 2不同时为共价键; Y1，Y2，Y3，Y4，Y5和Y6各自独立地表示H或F，但Y1，Y2，Y3和Y4中的至少一个表示F.

    Terphenyl derivative, liquid crystal composition and liquid crystal display device
    7.
    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

    申请人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1912

    CPC分类号： C07C25/18 ,  C07C43/225 ,  C09K19/12 ,  Y10T428/10

    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。

    Liquid crystalline compound having difluoropropyleneoxy group as bonding group, liquid crystal composition and liquid crystal display element
    8.
    发明授权
    Liquid crystalline compound having difluoropropyleneoxy group as bonding group, liquid crystal composition and liquid crystal display element 有权
    具有二氟亚丙氧基作为键合基团的液晶化合物，液晶组合物和液晶显示元件

    公开(公告)号：US06544604B2

    公开(公告)日：2003-04-08

    申请号：US09925484

    申请日：2001-08-10

    申请人： Shuichi Matsui ,  Yasuyuki Sasada ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Katsuyuki Kawano ,  Yasuhiro Kubo ,  Etsuo Nakagawa ,  Mayumi Furuya

    发明人： Shuichi Matsui ,  Yasuyuki Sasada ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Katsuyuki Kawano ,  Yasuhiro Kubo ,  Etsuo Nakagawa ,  Mayumi Furuya

    IPC分类号： C09K1934

    CPC分类号： C09K19/46 ,  C09K19/20 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/42 ,  C09K19/44 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3027 ,  Y10T428/10

    摘要： The present invention provides a liquid crystalline compound having a difluoropropyleneoxy group as a bonding group, which is represented by Formula (1): wherein R1 and R2 each independently represent hydrogen, halogen, a cyano group or an alkyl group having 1 to 20 carbon atoms; rings A1 to A5 each independently represent a 1,4-cyclohexylene group, a 1,4-cyclohexenylene group or a 1,4-phenylene group; Z1 to Z4 each independently represent a single bond, —CH2CH2—, —CH2O—, —OCH2—, —COO—, —OCO—, —CH═CH—, —C≡C—, —CF2O— or —OCF2—; Y1, Y2, Y3 and Y4 each independently represent hydrogen or fluorine; and k, l, m and n each independently represent 0 or 1. This liquid crystalline compound has a large absolute value (|&Dgr;&egr;|) of a dielectric anisotropy and shows a relatively small refractive anisotropy. The present invention further provides a liquid crystal composition comprising this compound which makes it possible to drive display elements of various modes at a low voltage, and a liquid crystal display element containing this liquid crystal composition.

    摘要翻译： 本发明提供具有二氟亚丙氧基作为键合基团的液晶化合物，其由式（1）表示：其中R 1和R 2各自独立地表示氢，卤素，氰基或具有1至20个碳原子的烷基 ; 环A1至A5各自独立地表示1,4-亚环己基，1,4-亚环己基或1,4-亚苯基; Z 1至Z 4各自独立地表示单键，-CH 2 CH 2 - ， - CH 2 O - ， - OCH 2 - ， - COO - ， - OCO-， - CH = CH-，-C = C - ， - CF 2 O-或-OCF 2 - Y 1，Y 2，Y 3和Y 4各自独立地表示氢或氟; 并且k，l，m和n各自独立地表示0或1.该液晶化合物的介电各向异性的绝对值（| DELTAepsi |）大，折射率各向异性相对较小。 本发明还提供一种包含该化合物的液晶组合物，其可以驱动低电压的各种模式的显示元件，以及含有该液晶组合物的液晶显示元件。

    Fluoro-substituted alkyl ether compounds, liquid crystal compositions and liquid crystal display devices
    10.
    发明授权
    Fluoro-substituted alkyl ether compounds, liquid crystal compositions and liquid crystal display devices 失效
    氟取代烷基醚化合物，液晶组合物和液晶显示装置

    公开(公告)号：US6124005A

    公开(公告)日：2000-09-26

    申请号：US147387

    申请日：1998-12-14

    申请人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： G02F1/13 ,  C07C43/192 ,  C07C43/225 ,  C07C255/46 ,  C07C255/50 ,  C07C323/10 ,  C07D239/26 ,  C07D319/06 ,  C09K19/04 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C07C19/06

    CPC分类号： C09K19/3001 ,  C07C43/225 ,  C09K19/04 ,  C09K19/14 ,  C09K19/3028 ,  C09K19/42 ,  C09K19/46 ,  C07C2101/14 ,  C07C2101/16 ,  Y10T428/10

    摘要： Liquid crystalline compounds which have excellent compatibility with other liquid crystal materials, especially at low temperatures, high voltage holding ratio, low threshold voltage, their small temperature dependency, high .DELTA.n, and broad liquid phase temperature range, the compounds being represented by formula (1)Ra--A.sub.1 --Z.sub.1 --A.sub.2 --Z.sub.2 --(--A.sub.3 --Z.sub.3 --).sub.m --A.sub.0 --Rf (1)(wherein m is 0 or 1; A.sub.0, A.sub.1, A.sub.2 and A.sub.3 represent a six-membered ring, ring A.sub.0 is 1,4-phenylene which may be substituted with 1 to 3 of F and/or Cl, rings A.sub.1, A.sub.2 and A.sub.3, independently of one another, are selected from trans-1,4-cyclohexylene, 1,4-phenylene which may be substituted with one or more halogen atoms, cyclohexene-1,4-diyl or 1,3-dioxane-2,5-diyl; Z.sub.1, Z.sub.2 and Z.sub.3 represent a bridge between the rings and independently of one another, are selected from --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.4 --, --CH.sub.2 O--, --OCH.sub.2 -- bonds, one or more hydrogen atoms in these bonds being optionally substituted with a halogen atom, or a single bond (--); Rf represents --OCF.sub.2 CF.sub.2 H or --OCF.sub.2 CFHCF.sub.3 ; and Ra is a straight- or branched monovalent organic radical of 1 to 20 carbons); liquid crystal compositions comprising at least one of the compounds; and liquid crystal display devices composed of the compositions.

    摘要翻译： PCT No.PCT / JP97 / 01936 Sec。 371 1998年12月14日第 102（e）1998年12月14日日期PCT 1997年6月6日PCT公布。 公开号WO97 / 47576 日期1997年12月18日与其他液晶材料具有优异相容性的液晶化合物，特别是在低温下，高电压保持率，低阈值电压，低温依赖性，高DELTA n和宽液相温度范围，化合物 （1）Ra-A1-Z1-A2-Z2 - （ - A3-Z3-）m-A0-Rf（1）（其中m为0或1; A0，A1，A2和A3表示六 环A0是可被1至3个F和/或Cl取代的1,4-亚苯基，A1，A2和A3环，彼此独立地选自反式-1,4-亚环己基， 可被一个或多个卤素原子取代的1,4-亚苯基，环己烯-1,4-二基或1,3-二恶烷-2,5-二基; Z 1，Z 2和Z 3表示环之间的桥， 另一个选自 - （CH 2）2 - ， - （CH 2）4 - ， - CH 2 O - ， - OCH 2 - 键，这些键中的一个或多个氢原子任选被卤素原子或单键 - ）; Rf代表 目的-OCF2CF2H或-OCF2CFHCF3; 和Ra是1至20个碳的直链或支链一价有机基团）; 包含至少一种化合物的液晶组合物; 以及由该组合物构成的液晶显示装置。