Terphenyl derivative, liquid crystal composition and liquid crystal display device
    1.
    发明申请
    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:US20010038092A1

    公开(公告)日:2001-11-08

    申请号:US09836317

    申请日:2001-04-18

    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 nulln, 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): 1 wherein R represents a straight or branched alkyl group of 1-20 carbon atoms, and any methylene groups (nullCH2null) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X is a halogen atom, nullOCF3, nullOCF2H, nullCF3, nullCF2H or nullCFH2; 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。

    Alkenyl compound having a negative delta epsilon value, liquid crystal composition, and liquid crystal display device
    2.
    发明申请
    Alkenyl compound having a negative delta epsilon value, liquid crystal composition, and liquid crystal display device 有权
    具有负δε值的烯基化合物,液晶组合物和液晶显示装置

    公开(公告)号:US20040065866A1

    公开(公告)日:2004-04-08

    申请号:US10650765

    申请日:2003-08-29

    摘要: There are provided a liquid crystalline compound having a large negative nullnull, low viscosity, a large K33/K11 value, a small nullnull/nullL and mutually excellent solubility even at extremely low temperature; a liquid crystal composition prepared from a liquid crystalline compound; and a liquid crystal display device fabricated from such a liquid crystal composition. The liquid crystalline compound of the present invention is a liquid crystalline compound represented by the following general formula (1): 1 where, R1 represents hydrogen, fluorine, an alkyl group having 1 to 15 carbon atoms, or an alkenyl group having 2 to 15 carbon atoms; each of rings A1, A2, and A3 independently represents trans-1,4-cyclohexylene group, 1,4-cyclohexenylene group, trans-1,4-silacyclohexylene group, 1,4-phenylenegroup, 2,3-difluoro-1,4-phenylene group, 2-fluoro-1,4-phenylene group, 3-fluoro-1,4-phenylene group, pyrimidine-2,5-diyl group, pyridine-2,5-diyl group, 1,3-dioxane-2,5-diyl group, tetrahydropyrane-2,5-diyl group, 1,3-dithiane-2,5-diyl group, or tetrahydrothiopyrane-2,5-diyl group; X1 represents hydrogen or fluorine; Y1 represents hydrogen or an alkyl group having 1 to 15 carbon atoms; 1 represents an integer from 1 to 10; and each of m and n independently represents 0 or 1.

    摘要翻译: 提供了具有大的负三角锥,低粘度,大的K33 / K11值,小的三角/ epsilonL的液晶化合物,即使在极低的温度下也具有相互优异的溶解性; 由液晶化合物制备的液晶组合物; 以及由这种液晶组合物制造的液晶显示装置。 本发明的液晶性化合物是由以下通式(1)表示的液晶性化合物:其中,R 1表示氢,氟,碳原子数1〜15的烷基或具有2个 15个碳原子; 环A 1,A 2和A 3各自独立地表示反式-1,4-亚环己基,1,4-亚环己烯基,反-1,4-硅亚环己基,1,4-亚苯基 ,2,3-二氟-1,4-亚苯基,2-氟-1,4-亚苯基,3-氟-1,4-亚苯基,嘧啶-2,5-二基,吡啶-2,5 - 二基,1,3-二恶烷-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; X 1表示氢或氟; Y 1表示氢或碳原子数1〜15的烷基。 1表示1〜10的整数, m和n各自独立地表示0或1。

    Terphenyl derivative, liquid crystal composition and liquid crystal display device
    3.
    发明申请
    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:US20010038891A1

    公开(公告)日:2001-11-08

    申请号:US09836315

    申请日:2001-04-18

    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 An, 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): 1 wherein R represents a straight or branched alkyl group of 1-20 carbon atoms, and any methylene groups (nullCH2null) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X is a halogen atom, nullOCF3, nullOCF2H, nullCF3, nullCF2H or nullCFH2; 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: 本发明提供了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很小,高的An,以及与其他液晶材料的相容性,特别是在低温下; 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。

    Difluorovinyl compound, liquid crystal composition and liquid crystal display
    4.
    发明申请
    Difluorovinyl compound, liquid crystal composition and liquid crystal display 有权
    二氟乙烯基化合物,液晶组合物和液晶显示

    公开(公告)号:US20020033472A1

    公开(公告)日:2002-03-21

    申请号:US09899169

    申请日:2001-07-06

    摘要: Provided are a liquid crystalline compound having a wide liquid crystal phase temperature range, low viscosity, a large elastic constant ratio K33/K11 and excellent solubility at low temperature, a liquid crystal composition using the same and a liquid crystal display. Provided is a novel difluorovinyl compound is represented by Formula (1): 1 wherein Y1 represents H or a straight chain or branched alkyl group having 1 to 10 carbon atoms, and optional nullC2null in the above alkyl group may be replaced by nullOnull or nullCnullCHnull, but nullOnull is not adjacent to each other, and at least one H in Y1 may be substituted with halogen or a cyano group; A1, A2, A3 and A4 each independently represent 1,4-cyclohexenylene in which optional nullC2null which is not adjacent to each other may be replaced by nullOnull, 1,4-phenylene in which optional H may be substituted with halogen, and a single bond, in which at least two of A1, A2, A3 and A4 have the ring structure described above, and at least one of them is 1,4-cyclohexenylene in which nullC2null is replaced by nullOnull; Z1, Z2 and Z3 each independently represent a single bond, null(CH2)2null, nullCnullCHnull, null(CH2)4null, nullO(CH2)3null or null(CH2)3Onull; n represents 0 or an integer of 1 to 10, provided that when any of A1, A2, A3 and A4 is 1,4-phenylene, Z1, Z2 and Z3 are single bonds, and among them, when A1 is 1,3-dioxane-2,5-diyl and A2 is 1,4-phenylene and when A3 is 1,4-cyclohexylene and A4 is a single bond, Y1 is H, and n is not 0.

    摘要翻译: 本发明提供具有宽的液晶相温度范围,低粘度,大的弹性常数比K33 / K11和低温溶解度的液晶化合物,使用该溶液的液晶组合物和液晶显示器。 提供一种新的二氟乙烯基化合物由式(1)表示:其中Y 1表示H或具有1至10个碳原子的直链或支链烷基,并且上述烷基中任选的-C 2-可以被-O- 或-C = CH-,但-O-不彼此相邻,并且Y1中的至少一个H可以被卤素或氰基取代; A1,A2,A3和A4各自独立地表示1,4-亚环己烯,其中不相邻的任选的C 2-可以被-O-,1,4-亚苯基代替,其中任选的H可以被卤素 和单键,其中A1,A2,A3和A4中的至少两个具有上述环结构,并且其中至少一个是其中-C2-被-O-取代的1,4-亚环己烯基; Z 1,Z 2和Z 3各自独立地表示单键, - (CH 2)2 - , - C = CH - , - (CH 2)4 - , - O(CH 2)3 - 或 - (CH 2) n表示0或1〜10的整数,条件是当A1,A2,A3和A4中的任一个为1,4-亚苯基时,Z1,Z2和Z3为单键,其中,当A1为1,3- 二恶烷-2,5-二基,A2为1,4-亚苯基,当A3为1,4-亚环己基且A4为单键时,Y1为H,n为0。