Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices
    1.
    发明授权
    Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices 有权
    具有双(三氟甲基)苯环,液晶组合物和液晶显示装置的液晶化合物

    公开(公告)号:US06844032B2

    公开(公告)日:2005-01-18

    申请号:US10108712

    申请日:2002-03-29

    摘要: The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and proper optical anisotropy. A liquid crystal composition comprising the compound has large specific resistance and a large voltage holding ratio, and that the composition is useful for a liquid crystal display element. The compound (1) is represented by formula (1): RaA1—Z1)m—(A2—Z2n—A3—Z3—A4—Rb  (1) wherein Ra and Rb independently are alkyl having 1 to 20 carbons, any —CH2— in the alkyl may be replaced by —O—, —S—, —CH═CH—, or —C≡C—, and any hydrogen may be replaced by halogen; A1, A2, A3, and A4 independently are 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,3-dioxane-2,5-diyl, 1,4-phenylene, pyridine-2,5-diyl, pyrimidine-2,5-diyl, pyridazine-3,6-diyl, or 2,3-bis(trifluoromethyl)-1,4-phenylene, any hydrogen in these rings may be replaced by halogen, and at least one of A1, A2, A3, and A4 is 2,3-bis(trifluoromethyl)-1,4-phenylene; Z1, Z2 and Z3 independently are a single bond, —(CH2)2—, —(CF2)2—, —COO—, —OCO—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —CH═CH—, —CF═CF—, —C≡C—, —(CH2)4—, —(CH2)3O—, or —O(CH2)3—; m and n independently are 0 or 1.

    摘要翻译: 具有2,3-双(三氟甲基)-1,4-亚苯基的化合物(1)化学稳定且与其它液晶化合物具有优异的混溶性,具有大的和负的介电各向异性和适当的光学各向异性。 包含该化合物的液晶组合物具有大的电阻率和较大的电压保持率,并且该组合物可用于液晶显示元件。 化合物(1)由式(1)表示:其中R a和R b独立地是具有1至20个碳的烷基,该烷基中的任何-CH 2 - 可以被-O - , - S - , - CH = CH- ,或-C = C-,并且任何氢可以被卤素取代; A1,A2,A3和A4独立地为1,4-亚环己基,1,4-亚环己烯基,1,3-二恶烷-2,5-二基,1,4-亚苯基,吡啶-2,5-二基, 2,5-二基,哒嗪-3,6-二基或2,3-双(三氟甲基)-1,4-亚苯基,这些环中的任何氢可以被卤素取代,并且至少一个A1,A2, A3和A4是2,3-双(三氟甲基)-1,4-亚苯基; Z 1,Z 2和Z 3独立地是单键, - (CH 2)2 - , - (CF 2)2 - , - COO - , - OCO - , - CH 2 O - , - OCH 2 - , - CH = CH-,-CF = CF-,-C = C - , - (CH 2)4 - , - (CH 2)3 O-或-O(CH 2) m和n独立地为0或1。

    Silicon compound, liquid crystal composition and liquid crystal display
    2.
    发明授权
    Silicon compound, liquid crystal composition and liquid crystal display 失效
    硅化合物,液晶组合物和液晶显示器

    公开(公告)号:US06703083B2

    公开(公告)日:2004-03-09

    申请号:US10084854

    申请日:2002-02-28

    IPC分类号: C09K1934

    摘要: Silicon compounds having a low viscosity and a low threshold voltage and improved mutual solubility, a liquid crystal composition comprising the same and a liquid crystal display using the liquid crystal composition. The silicon compound is represented by formula (1): wherein Y1 is, for example, alkylene having 1 to 10 carbon atoms, Y2 is, for example, hydrogen, halogen, —CN, —C≡C—CN, or alkyl having 1 to 10 carbon atoms; A1, A2, A3, and A4 each are, for example, independently 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, or 1,4-phenylene; Z1, Z2 and Z3 each are independently a single bond, —(CH2)2—, —OCH2—, —CH2O—, —CH═CH—, —C≡C—, —(CH2)4—, —O(CH2)3—, —(CH2)3O—, —COO—, —OCO—, —OCF2—, or —CF2O—; and p and q each are independently 0 or 1.

    摘要翻译: 具有低粘度和低阈值电压和改善的互溶性的硅化合物,包含该硅化合物的液晶组合物和使用该液晶组合物的液晶显示器。 硅化合物由式(1)表示:其中Y 1为例如具有1至10个碳原子的亚烷基,Y 2为例如氢,卤素,-CN,-C = C- CN或具有1至10个碳原子的烷基; A 1,A 2,A 3和A 4各自独立地为1,4-亚环己基,1,4-亚环己烯基,1,4-亚苯基或1,4-亚环己基, 亚苯基; Z 1,Z 2和Z 3各自独立地为单键, - (CH 2)2 - , - OCH 2 - , - CH 2 O - , - CH = CH - , - C = CH2)4-,-O(CH2)3 - , - (CH2)3O-,-COO-,-OCO-,-OCF2-或-CF2O-; p和q各自独立地为0或1。

    Polymerizing binaphthalene derivatives
    3.
    发明授权
    Polymerizing binaphthalene derivatives 有权
    聚合二萘衍生物

    公开(公告)号:US07413782B2

    公开(公告)日:2008-08-19

    申请号:US11058038

    申请日:2005-02-14

    摘要: Provided are a polymerizing liquid-crystalline compound of formula (1). In formula (1), Q1 to Q4 each independently represent a formula (2), a hydrogen atom, a halogen atom, an alkyl group or the like; at least two of Q1 to Q4 are a formula (2) and may differ from each other. In formula (2), A independently represent a 1,4-cyclohexylene group, a 1,4-phenylene group or the like; X independently represents a single bond, an alkylene group or the like; Z represents a single bond, —COO—, —OCO— or the like; n indicates an integer of from 0 to 3; p represents any one polymerizing group of formulae (P1) to (P8); W represents a hydrogen atom, a halogen atom, an alkyl group or the like. When Q1 and Q2 are both hydrogen atoms and when Q3 and Q4 are both formula (2), then p must not be (P8).

    摘要翻译: 提供式(1)的聚合液晶化合物。 在式(1)中,Q 1至Q 4各自独立地表示式(2),氢原子,卤素原子,烷基等; Q 1至Q 4中的至少两个是式(2),并且可以彼此不同。 在式(2)中,A独立地表示1,4-亚环己基,1,4-亚苯基等; X独立地表示单键,亚烷基等; Z表示单键,-COO - , - OCO-等; n表示0〜3的整数, p表示式(P1)〜(P8)中的任一个聚合基团。 W表示氢原子,卤素原子,烷基等。 当Q 1和Q 2都是氢原子时,当Q 3和Q 4都是式(2) ),那么p不能是(P8)。

    Alkenylcyclohexane derivatives, liquid crystal composition and liquid
crystal display element
    4.
    发明授权
    Alkenylcyclohexane derivatives, liquid crystal composition and liquid crystal display element 失效
    烯基环己烷衍生物,液晶组合物和液晶显示元件

    公开(公告)号:US5776367A

    公开(公告)日:1998-07-07

    申请号:US666832

    申请日:1996-06-19

    摘要: A novel liquid crystalline compound having a low viscosity and a high elastic constant ratio and at the same time, a superior compatibility with other known liquid crystalline compounds, and a liquid crystal composition and a liquid crystal display element containing the novel compound, are provided. The compound is an alkenylcyclohexane derivative expressed by the formula (1): ##STR1## wherein R.sup.1 and R.sup.2 represent a linear or branched alkyl group of 1 to 15 carbon atoms or alkenyl group of 2 to 15 carbon atoms; at least one of R.sup.1 and R.sup.2 represents an alkenyl group; in these groups, one or more non-adjacent CH.sub.2 groups may be replaced by oxygen atom, sulfur atom or --C.tbd.C-- group; ring A.sup.1, ring A.sup.2 and ring A.sup.3 each independently represent 1,4-cyclohexylene group wherein one or more CH.sub.2 groups on the ring may be replaced by oxygen atom or sulfur atom, or 1,4-phenylene group wherein one or more CH groups on the ring may be replaced by nitrogen atom; Z.sup.1 and Z.sup.2 each independently represent --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --CH.dbd.CH--, --C.tbd.C-- or single bond; Z.sup.3 represents --(CH.sub.2).sub.4 --, --CH.dbd.CH--(CH.sub.2).sub.2 --, --CH.sub.2 --CH.dbd.CH--CH.sub.2 -- or --(CH.sub.2).sub.2 --CH.dbd.CH--; and m, n and i each independently represent 0 or 1.

    摘要翻译: 提供了具有低粘度和高弹性常数比的新型液晶化合物,同时与其它已知的液晶化合物具有优异的相容性,以及液晶组合物和含有该新化合物的液晶显示元件。 化合物是由式(1)表示的烯基环己烷衍生物:其中R1和R2表示碳原子数为1〜15的直链或支链烷基或碳原子数2〜15的烯基; R 1和R 2中的至少一个表示烯基; 在这些基团中,一个或多个不相邻的CH 2基团可以被氧原子,硫原子或-C 3 D C基团取代; 环A1,环A2和环A3各自独立地表示1,4-亚环己基,其中环上的一个或多个CH 2基团可以被氧原子或硫原子替代,或1,4-亚苯基,其中一个或多个CH基团在 该环可以被氮原子取代; Z 1和Z 2各自独立地表示-CH 2 CH 2 - , - CH 2 O - , - OCH 2 - , - CH = CH - , - C 3BOND C-或单键; Z 3表示 - (CH 2)4 - , - CH = CH-(CH 2)2 - , - CH 2 -CH = CH-CH 2 - 或 - (CH 2)2 -CH = CH-; m,n和i各自独立地表示0或1。

    Tercyclohexane, liquid-crystalline compound and liquid crystal
composition comprising same
    5.
    发明授权
    Tercyclohexane, liquid-crystalline compound and liquid crystal composition comprising same 失效
    三环己烷,液晶化合物和包含它们的液晶组合物

    公开(公告)号:US6030545A

    公开(公告)日:2000-02-29

    申请号:US663925

    申请日:1996-06-14

    摘要: The present invention provides a liquid-crystalline compound which has a reduced viscosity, a wide liquid crystal temperature range (high clearing point), a high chemical stability (extremely high specific resistance, high voltage holding ratio) and a high solubility with other liquid-crystalline compound(s) and preferably has a proper refractive index anisotropy. The present invention also provides a liquid crystal composition having excellent properties. The liquid-crystalline compound is represented by the following general formula (1): wherein R and R' each independently represents a C.sub.1-20 alkyl or halogenated alkyl group or a group obtained by replacing one or more --CH.sub.2 -- groups in the alkyl group by any of --O--, --S--, --CH.dbd.CH-- or --C.tbd.C--, provided that two or more --CH.sub.2 -- groups are not consecutively replaced by either --O-- or --S--; and Z.sub.1 and Z.sub.2 each independently represents a covalent bond or 1,2-ethylene group, provided that when both Z.sub.1 and Z.sub.2 are a covalent bond, R and R' are not straight-chain alkyl groups each having the same chain length.

    摘要翻译: 本发明提供一种液晶性化合物,其具有比较低的粘度,宽的液晶温度范围(高透明度),高化学稳定性(高电阻率,高电压保持率)和与其它液体 - 结晶化合物,并且优选具有适当的折射率各向异性。 本发明还提供具有优异性能的液晶组合物。 液晶化合物由以下通式(1)表示:其中R和R'各自独立地表示C1-20烷基或卤代烷基或通过置换烷基中的一个或多个-CH 2 - 基团而获得的基团 通过-O - , - S - , - CH = CH-或-CB 3 C - 中的任何基团,条件是两个或更多个-CH 2 - 基团不被-O-或-S-连续替代; 并且Z 1和Z 2各自独立地表示共价键或1,2-亚乙基,条件是当Z1和Z2均为共价键时,R和R'不是具有相同链长的直链烷基。

    Liquid crystalline compound replaced by fluorine containing group,
liquid crystal composition, and liquid crystal display device
    6.
    发明授权
    Liquid crystalline compound replaced by fluorine containing group, liquid crystal composition, and liquid crystal display device 失效
    由含氟基团,液晶组合物和液晶显示装置取代的液晶化合物

    公开(公告)号:US6013198A

    公开(公告)日:2000-01-11

    申请号:US921799

    申请日:1997-09-02

    摘要: Liquid crystalline compounds are disclosed which compounds are expressed by general formula (1) ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 10 carbon atoms, ring A represents 1,4-phenylene or 1,4-cyclohexylene, each of X.sub.1, X.sub.2, X.sub.3, and X.sub.4 independently represents hydrogen atom or fluorine atom, Y.sub.1 represents CF.sub.3 or OCF.sub.3, and each of m, n, and p is independently an integer of 1 or 0. The liquid crystalline compounds have a wide temperature. The liquid crystalline compounds have a wide temperature range of nematic phase, low viscosity, large positive .DELTA..epsilon., high chemical stability, high miscibility with other liquid crystalline compounds at low temperatures, small temperature dependency of viscosity and .DELTA..epsilon., extremely high specific resistance (high voltage holding ratio), and good UV stability, and are preferably used for TFT. Also, disclosed are liquid crystal compositions containing the liquid crystalline compounds mentioned above, and liquid crystal display devices using the liquid crystal composition.

    摘要翻译: 公开了液晶化合物,其中化合物由通式(1)表示,其中R 1表示具有1-10个碳原子的烷基,环A表示1,4-亚苯基或1,4-亚环己基,各自为X1,X2,X3 X 4独立地表示氢原子或氟原子,Y1表示CF 3或OCF 3,m,n和p各自独立地为1或0的整数。液晶化合物的温度宽。 液晶化合物具有宽的向列相温度范围,低粘度,大的正DELTAε,高化学稳定性,低温下与其它液晶化合物的高混溶性,粘度和DELTAε的温度依赖性低,电阻率极高( 高电压保持率),良好的紫外线稳定性,优选用于TFT。 此外,还公开了含有上述液晶化合物的液晶组合物和使用该液晶组合物的液晶显示装置。

    Polymerizing binaphthalene derivatives
    7.
    发明申请
    Polymerizing binaphthalene derivatives 有权
    聚合二萘衍生物

    公开(公告)号:US20050179005A1

    公开(公告)日:2005-08-18

    申请号:US11058038

    申请日:2005-02-14

    IPC分类号: C09K19/32 C09K19/38 C09K19/52

    摘要: Provided are a polymerizing liquid-crystalline compound of formula (1). In formula (1), Q1 to Q4 each independently represent a formula (2), a hydrogen atom, a halogen atom, an alkyl group or the like; at least two of Q1 to Q4 are a formula (2) and may differ from each other. In formula (2), A independently represent a 1,4-cyclohexylene group, a 1,4-phenylene group or the like; X independently represents a single bond, an alkylene group or the like; Z represents a single bond, —COO—, —OCO— or the like; n indicates an integer of from 0 to 3; p represents any one polymerizing group of formulae (P1) to (P8); W represents a hydrogen atom, a halogen atom, an alkyl group or the like. When Q1 and Q2 are both hydrogen atoms and when Q3 and Q4 are both formula (2), then p must not be (P8).

    摘要翻译: 提供式(1)的聚合液晶化合物。 在式(1)中,Q 1至Q 4各自独立地表示式(2),氢原子,卤素原子,烷基等; Q 1至Q 4中的至少两个是式(2),并且可以彼此不同。 在式(2)中,A独立地表示1,4-亚环己基,1,4-亚苯基等; X独立地表示单键,亚烷基等; Z表示单键,-COO - , - OCO-等; n表示0〜3的整数, p表示式(P1)〜(P8)中的任一个聚合基团。 W表示氢原子,卤素原子,烷基等。 当Q 1和Q 2都是氢原子时,当Q 3和Q 4都是式(2) ),那么p不能是(P8)。

    Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition
    8.
    发明授权
    Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition 有权
    二氟苯基衍生物,液晶化合物和液晶组合物

    公开(公告)号:US06458433B1

    公开(公告)日:2002-10-01

    申请号:US09331058

    申请日:1999-06-16

    IPC分类号: C09K1934

    摘要: Disclosed are liquid crystalline compounds which (i) are characterized in that the compounds have a wide temperature range in which the compounds exhibit a liquid crystal phase, are low in viscosity, and have a negative and large &Dgr;&egr;, (ii) are readily mixed with other various liquid crystal materials even at low temperatures, and (iii) are useful as component of liquid crystal compositions suitable both for TFT type display mode and IPS mode; and liquid crystal composition comprising the liquid crystalline compound; the compounds are expressed by the general formula (1) wherein R1 represents an alkyl group having 1 to 15 carbon atoms; ring A1, ring A2, and ring A3 independently represent trans-1,4-cyclohexylene group, trans-1,4-silacyclohexylene group, pyrimidine-2,5-diyl group, pyridine-2,5-diyl group, 1,3-dioxane-2,5-diyl group, tetrahydropyran-2,5-diyl group, 1,3-dithian-2,5-diyl group, or tetrahydrothiopyran-2,5-diyl group, or 1,4-phenylene group in which one or more hydrogen atoms on the six-membered ring may be replaced by a halogen atom; X1, X2, and X3 independently represent —(CH2)4—, —(CH2)3O—, —O(CH2)3—, or single bond; Y1 represents hydrogen atom or an alkyl group having 1 to 15 carbon atoms; m and n are independently 0 or 1; and any atom which constitutes this compound may be replaced by its isotope.

    摘要翻译: 本发明提供的液晶化合物,其特征在于化合物具有宽的温度范围,其中化合物表现出液晶相,粘度低,并且具有负的和大的DELTAepsi,(ii)容易与 其它各种液晶材料即使在低温下,也可用作液晶组合物,适用于TFT型显示模式和IPS模式; 以及包含所述液晶化合物的液晶组合物; 化合物由通式(1)表示,其中R 1表示具有1至15个碳原子的烷基; 环A1,环A2和环A3独立地表示反式-1,4-亚环己基,反-1,4-亚环己基,嘧啶-2,5-二基,吡啶-2,5-二基,1,3 四烷基-2,5-二基,四氢吡喃-2,5-二基,1,3-二噻烷-2,5-二基或四氢噻喃-2,5-二基,或1,4-亚苯基 六元环上的一个或多个氢原子可以被卤素原子取代; X1,X2和X3独立地表示 - (CH2)4-, - (CH2)3O-,-O(CH2)3-或单键; Y1表示氢原子或碳原子数1〜15的烷基。 m和n独立地为0或1; 并且构成该化合物的任何原子可以被其同位素代替。

    Fluoroalkenyl derivative and liquid crystal composition
    9.
    发明授权
    Fluoroalkenyl derivative and liquid crystal composition 失效
    氟烯基衍生物和液晶组合物

    公开(公告)号:US5989452A

    公开(公告)日:1999-11-23

    申请号:US51353

    申请日:1998-04-08

    CPC分类号: C09K19/04 C07C22/00 C07C22/08

    摘要: The present invention is to provide liquid crystalline compounds having a wide temperature range of a liquid crystal phase, low viscosity, and large ratio of elastic constants; liquid crystal compositions comprising the compound; and liquid crystal display devices comprising the composition; the liquid crystalline compounds being fluoroalkenyl derivatives expressed by the general formula (1) ##STR1## wherein A.sub.1, A.sub.2, A.sub.3, and A.sub.4 independently represent trans-1,4-cyclohexylene group or 1,4-phenylene group; Z.sub.1, Z.sub.2, and Z.sub.3 independently represent --(CH.sub.2).sub.2 --, --CH.dbd.CH--, --C.ident.C--, or a single bond; Q represents H or F; l is an integer of 1 to 5; m, n, and o are independently an integer of 0 to 5; p and q are independently an integer of 0 or 1; and each element which constitutes the derivatives may be an isotope of the element.

    摘要翻译: PCT No.PCT / JP96 / 02950 Sec。 371日期:1998年4月8日 102(e)1998年4月8日PCT PCT 1996年10月11日PCT公布。 出版物WO97 / 13738 日期1997年04月17日本发明提供具有液晶相的宽温度范围的液晶化合物,粘度低,弹性常数比大; 包含该化合物的液晶组合物; 和包含该组合物的液晶显示装置; 由通式(1)表示的氟烯基衍生物的液晶化合物,其中A1,A2,A3和A4独立地表示反式-1,4-亚环己基或1,4-亚苯基; Z 1,Z 2和Z 3独立地表示 - (CH 2)2 - , - CH = CH - , - C = C-或单键; Q表示H或F; l为1〜5的整数, m,n和o分别为0〜5的整数。 p和q独立地为0或1的整数; 并且构成衍生物的每个元素可以是元素的同位素。