Cyclic hydrocarbon derivative and liquid crystal composition containing
the same
    42.
    发明授权
    Cyclic hydrocarbon derivative and liquid crystal composition containing the same 失效
    环状烃衍生物和含有它们的液晶组合物

    公开(公告)号:US5536443A

    公开(公告)日:1996-07-16

    申请号:US429485

    申请日:1995-04-25

    摘要: A liquid crystal display comprising a compound of the formula ##STR1## wherein each of Y.sup.1 and Y.sup.2 is independently F, Cl, CN, OCN, SCN, OCF.sub.3, OCF.sub.2 H, OCF.sub.2 CF.sub.3, CF.sub.3, R, --OR, --COOR or --OCOR, wherein R is alkyl, alkenyl or alkoxyalkyl, provided that at least one of Y.sup.1 and Y.sup.2 is R, --OR, --COOR or --OCOR; each of Z, Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 is independently a single bond. CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.dbd.C--, --COO--, --OCO--, --CH.sub.2 O--, OCH.sub.2 --, --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.3 --O-- or --O--(CH.sub.2).sub.3 --: ring A is a group of formula (II): ##STR2## wherein each of X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, X.sup.9, and X.sup.10 is independently H or D, provided that at least one of them is D; each of rings K, L, J, M and N is independently trans-1,4-cyclohexylene, 1,4-cyclohexenylene, substituted trans-1,4-cyclohexylene, 1,4-phenylene, substituted 1,4-phenylene, 1,3-dioxane-2,6-diyl, pyrimidine-2,5-diyl, pyridine-2,5-diyl, pyrazine-2,5-diyl or a group of formula (III): ##STR3## wherein each of X.sup.11, X.sup.12, X.sup.13, X.sup.14, X.sup.15, X.sup.16, X.sup.17, X.sup.18, X.sup.19, and X.sup.20 is independently H or D, provided that at least one of them is D; in which the ring of formula (III) may be the same as or different from ring A; and k, l, m, and n each independently is 0 or 1, provided that the sum of k, l, m, and n is 0, 1 or 2. The compound is useful as an electro-optic liquid crystal display material.

    摘要翻译: 其中Y1和Y2各自独立地为F,Cl,CN,OCN,SCN,OCF3,OCF2H,OCF2CF3,CF3,R,-OR, -COOR或-OCOR,其中R是烷基,烯基或烷氧基烷基,条件是Y1和Y2中的至少一个是R,-OR,-COOR或-OCOR; Z,Z1,Z2,Z3和Z4各自独立地为单键。 CH 2 CH 2 - , - CH = CH - , - C = C - , - COO-, - OCO-, - CH 2 O - ,OCH 2 - , - (CH 2)4 - , - (CH 2)3 -O-或-O- CH 2)3 - :环A是式(II)的基团:其中X1,X2,X3,X4,X5,X6,X7,X8,X9和X10各自独立地为H或D ,条件是其中至少有一个是D; 环K,L,J,M和N各自独立地为反式-1,4-亚环己基,1,4-亚环己烯基,取代的反式-1,4-亚环己基,1,4-亚苯基,取代的1,4-亚苯基, (III)所示的基团:式(III)的化合物:其中R 1,R 2,R 3,R 3, 其中X11,X12,X13,X14,X15,X16,X17,X18,X19和X20各自独立地为H或D,条件是它们中的至少一个为D; 其中式(III)的环可以与环A相同或不同; 并且k,l,m和n各自独立地为0或1,条件是k,l,m和n的和为0,1或2.该化合物可用作电光液晶显示材料。

    Cyclic hydrocarbon derivative and liquid crystal composition containing
the same
    43.
    发明授权
    Cyclic hydrocarbon derivative and liquid crystal composition containing the same 失效
    环状烃衍生物和含有它们的液晶组合物

    公开(公告)号:US5474707A

    公开(公告)日:1995-12-12

    申请号:US278260

    申请日:1994-07-21

    摘要: A cyclic hydrocarbon derivative represented by formula (I): ##STR1## wherein each of Y.sup.1 and Y.sup.2 is independently F, Cl, CN, OCN, SCN, OCF.sub.3, OCF.sub.2 H, OCF.sub.2 CF.sub.3, CF.sub.3, R, --OR, --COOR or --OCOR, wherein R is alkyl, alkenyl or alkoxyalkyl, provided that at least one of Y.sup.1 and Y.sup.2 is R, --OR, --COOR or --OCOR; each of Z, Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 is independently a single bond, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --COO--, --OCO--, --CH.sub.2 O--, OCH.sub.2 --, --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.3 --O-- or --O--(CH.sub.2).sub.3 --; ring A is group of formula (II): ##STR2## wherein each of X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, X.sup.9, and X.sup.10 is independently H or D, provided that at least one of them is D; each of rings K, L, J, M and N is independently trans-1,4-cyclohexylene, 1,4-cyclohexenylene, substituted trans-1,4-cyclohexylene, 1,4-phenylene, substituted 1,4-phenylene, 1,3-dioxane-2,6-diyl, pyrimidine-2,5-diyl, pyridine-2,5-diyl, pyarazine-2,5-diyl or a group of formula (III): ##STR3## wherein each of X.sup.11, X.sup.12, X.sup.13, X.sup.14, X.sup.15, X.sup.16, X.sup.17, X.sup.18, X.sup.19, and X.sup.20 is independently H or D, provided that at least one of them is D; in which the ring of formula (III) may be the same as or different from ring A; and k, l, m, and n each independently is 0 or 1, provided that the sum of k, l, m, and n is 0, 1 or 2. The compound is useful as an electro-optic liquid crystal display material.

    摘要翻译: 由式(I)表示的环状烃衍生物:其中Y1和Y2各自独立地为F,Cl,CN,OCN,SCN,OCF3,OCF2H,OCF2CF3,CF3,R,-OR -COOR或-OCOR,其中R是烷基,烯基或烷氧基烷基,条件是Y1和Y2中的至少一个是R,-OR,-COOR或-OCOR; Z,Z 1,Z 2,Z 3和Z 4各自独立地为单键,-CH 2 CH 2 - , - CH = CH - , - C 3BOND C - , - COO - , - OCO-, - CH 2 O-,OCH 2 - CH2)4-, - (CH2)3-O-或-O-(CH2)3-; 环A是式(II)的基团:其中X 1,X 2,X 3,X 4,X 5,X 6,X 7,X 8,X 9和X 10各自独立地为H或D,条件是至少一个 他们是D 环K,L,J,M和N各自独立地为反式-1,4-亚环己基,1,4-亚环己烯基,取代的反式-1,4-亚环己基,1,4-亚苯基,取代的1,4-亚苯基, (III)的基团:式(III)的化合物:其中R 1,R 2,R 3,R 3, 其中X11,X12,X13,X14,X15,X16,X17,X18,X19和X20各自独立地为H或D,条件是它们中的至少一个为D; 其中式(III)的环可以与环A相同或不同; 并且k,l,m和n各自独立地为0或1,条件是k,l,m和n的和为0,1或2.该化合物可用作电光液晶显示材料。

    Phenylbicyclohexanol ester derivative
    45.
    发明授权
    Phenylbicyclohexanol ester derivative 失效
    苯基双环己醇酯衍生物

    公开(公告)号:US5266235A

    公开(公告)日:1993-11-30

    申请号:US853273

    申请日:1992-03-18

    IPC分类号: C09K19/30 C07C67/02 C07C69/74

    CPC分类号: C09K19/3003 C09K19/3068

    摘要: A phenylbicyclohexanol ester derivative which is a nematic liquid crystal compound having a weakly positive dielectric anisotropy is disclosed. This compound has a high N-I point and yet a low .DELTA.n value. When mixed with other nematic liquid crystal compound(s), it can give a liquid crystal display cell material having excellent visual properties and high-temperature driving properties.

    摘要翻译: 公开了具有弱正介电各向异性的向列型液晶化合物的苯基双环己醇酯衍生物。 该化合物具有高的N-I点,并且具有低的DELTA n值。 当与其它向列液晶化合物混合时,可以得到具有优异视觉特性和高温驱动性能的液晶显示元件材料。