Four- or five-ring liquid crystal compound having lateral fluorine, liquid crystal composition, and liquid crystal display device
    1.
    发明授权
    Four- or five-ring liquid crystal compound having lateral fluorine, liquid crystal composition, and liquid crystal display device 有权
    具有侧氟,液晶组合物和液晶显示装置的四环或五环液晶化合物

    公开(公告)号:US08187494B2

    公开(公告)日:2012-05-29

    申请号:US12676328

    申请日:2008-08-26

    摘要: The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, and a suitable elastic constant K33, and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K33, a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.

    摘要翻译: 本发明提供了一种对热,光等具有稳定性,向列相的宽温度范围,小粘度,适当的光学各向异性和合适的弹性常数K33的液晶化合物,并且还具有适当和负电介质 各向异性和与其它液晶化合物的良好相容性,以及对热,光等具有稳定性的液晶组合物,低粘度,大的光学各向异性,适合的和负的介电各向异性以及合适的弹性常数K33, 向列相的低阈值电压,高最高温度(向列相各向同相的相变温度)和向列相的低最低温度。 具有在侧面具有氟的具有特定结构的液晶化合物,并且还具有其中苯上的氢被氟取代的苯并且含有该化合物的液晶组合物。

    LIQUID CRYSTALLINE COMPOUND, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT
    2.
    发明申请
    LIQUID CRYSTALLINE COMPOUND, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT 有权
    液晶组合物,液晶组合物,液晶显示元件

    公开(公告)号:US20100073621A1

    公开(公告)日:2010-03-25

    申请号:US12524358

    申请日:2008-01-15

    申请人: Teru Shimada

    发明人: Teru Shimada

    IPC分类号: C09K19/02 C07C25/24 C09K19/30

    摘要: The invention provides a liquid crystal compound which has stability to heat, light and so forth, shows liquid crystal phases in a wide temperature range, and has a small viscosity, an appropriate optical anisotropy, a large dielectric anisotropy, and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition which has an appropriate optical anisotropy, an appropriate dielectric anisotropy, a low threshold voltage, and a high maximum temperature and a low minimum temperature of a nematic phase. The invention provides a liquid crystal display device which has a short response time, a small power consumption, a small driving voltage, and a large contrast, and can be used in a wide temperature range.The liquid crystal compound is a halogeno-benzene derivative having a trifluoropropenyl group or trifluoropropynyl group at a side chain, such as, for example, trans-4′-[3,5-difluoro-4-(3,3,3-trifluoropropenyl)phenyl]-trans-4-propylbicyclohexyl. The liquid crystal composition contains a compound which is this derivative. The liquid crystal display device uses this liquid crystal composition.

    摘要翻译: 本发明提供了一种对热,光等具有稳定性的液晶化合物,在宽的温度范围内显示出液晶相,并且具有小的粘度,适当的光学各向异性,大的介电各向异性以及与其它的优异的相容性 液晶化合物。 本发明提供了具有适当的光学各向异性,适当的介电各向异性,低阈值电压以及向列相的最高温度和低的最低温度的液晶组合物。 本发明提供一种液晶显示装置,其响应时间短,功耗小,驱动电压小,对比度大,可以在宽温度范围内使用。 液晶化合物是在侧链具有三氟丙烯基或三氟丙炔基的卤代苯衍生物,例如反式-4' - [3,5-二氟-4-(3,3,3-三氟丙烯基 )苯基] - 反式-4-丙基双环己基。 该液晶组合物含有作为该衍生物的化合物。 液晶显示装置使用该液晶组合物。

    CHLOROFLUOROBENZENE LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE
    3.
    发明申请
    CHLOROFLUOROBENZENE LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE 有权
    氯氟隆液晶化合物,液晶组合物和液晶显示装置

    公开(公告)号:US20090264683A1

    公开(公告)日:2009-10-22

    申请号:US12494172

    申请日:2009-06-29

    摘要: Such a liquid crystal compound is provided that has stability to heat, light and so forth, has a nematic phase in a wide temperature range, has a small viscosity, a suitable optical anisotropy, and suitable elastic constants K33 and K11 (K33: bend elastic constant, K11: splay elastic constant), and has suitable negative dielectric anisotropy and excellent compatibility with other liquid crystal compounds. A liquid crystal composition containing the liquid crystal compound, and a liquid crystal display device containing the liquid crystal composition are also provided.The liquid crystal compound is represented by one of formulas (a) to (d), the liquid crystal composition contains the liquid crystal compound, and the liquid crystal display device contains the liquid crystal composition: wherein Ra and Rb are independently linear alkyl or linear alkoxy, rings A1, A2, B and C are independently trans-1,4-cyclohexylene or 1,4-phenylene, Z11, Z12, Z2 and Z3 are independently a single bond or alkylene, and one of X1 and X2 is fluorine, and the other thereof is chlorine.

    摘要翻译: 这种液晶化合物具有对热,光等具有稳定性,在宽温度范围内具有向列相,具有小的粘度,适当的光学各向异性和适当的弹性常数K33和K11(K33:弯曲弹性 常数,K11:弹性弹性常数),具有合适的负介电各向异性,与其他液晶化合物的相容性好。 还提供了含有液晶化合物的液晶组合物和含有液晶组合物的液晶显示装置。 液晶化合物由式(a)〜(d)中的一种表示,液晶组成物含有液晶化合物,液晶显示装置含有液晶组成物:其中,Ra和Rb独立地为直链烷基或直链 烷氧基,环A1,A2,B和C独立地为反式-1,4-亚环己基或1,4-亚苯基,Z11,Z12,Z2和Z3独立地为单键或亚烷基,X1和X2之一为氟, 另一个是氯。

    Liquid crystal composition and liquid crystal display device
    4.
    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

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

    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。

    Cyclohexene derivative having alkenyl, liquid crystal composition and liquid crystal display device
    5.
    发明授权
    Cyclohexene derivative having alkenyl, liquid crystal composition and liquid crystal display device 有权
    具有烯基的环己烯衍生物,液晶组合物和液晶显示装置

    公开(公告)号:US07510749B2

    公开(公告)日:2009-03-31

    申请号:US11896836

    申请日:2007-09-06

    申请人: Teru Shimada

    发明人: Teru Shimada

    摘要: A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently hydrogen, alkyl having 1 to 10 carbons or alkenyl having 2 to 10 carbons, provided that in the alkyl, —CH2— may be replaced by —O—, but plural —O— are not adjacent to each other, and hydrogen may be replaced by fluorine; ring A1 and ring A2 are each independently trans-1,4-cyclohexylene or 1,4-phenylene, provided that one or two hydrogens of the 1,4-phenylene may be replaced by halogen, and in a 6-membered ring of these groups, one —CH2— or two —CH2— that are not adjacent to each other may be replaced by —O—, and one or two —CH═ may be replaced by —N═; Z1 and Z2 are each independently a single bond, —(CH2)2—, —(CH2)4—, —CH═CH—, —C≡—, —CH2O—, —OCH2—, —COO—, —OCO— or —OCF2—; l and m are each independently 0, 1 or 2, provided that l+m is 0, 1, 2 or 3; and n is an integer of from 0 to 6, provided that in —(CH2)n—, —CH2— may be replaced by —O—, but plural —O— are not adjacent to each other, and hydrogen may be replaced by fluorine.

    摘要翻译: 选自一组由式(a)表示的化合物的液晶化合物:其中R a和R b各自独立地为氢,具有1至10个碳的烷基或具有2至10个碳的烯基,条件是在烷基中,-CH 2 - 可以 被-O-代替,但是多个-O-不彼此相邻,并且氢可以被氟代替; 环A1和环A2各自独立地为反式-1,4-亚环己基或1,4-亚苯基,条件是1,4-亚苯基的一个或两个氢可被卤素取代,并且在这些的6-元环中 一个不相邻的-CH2-或两个-CH2-可以被-O-代替,一个或两个-CH-可以被-N取代; Z 1和Z 2各自独立地为单键, - (CH 2)2 - , - (CH 2)4 - , - CH-CH - , - C≡-, - CH 2 O - , - OCH 2 - , - COO-,-OCO- 或-OCF2-; l和m各自独立地为0,1或2,条件是l + m为0,1,2或3; 并且n为0至6的整数,条件是在 - (CH 2)n - , - CH 2 - 可以被-O-取代,但是多个-O-不彼此相邻,并且氢可以被 氟。

    Cyclohexene derivative having alkenyl, liquid crystal composition and liquid crystal display device
    6.
    发明申请
    Cyclohexene derivative having alkenyl, liquid crystal composition and liquid crystal display device 有权
    具有烯基的环己烯衍生物,液晶组合物和液晶显示装置

    公开(公告)号:US20080063814A1

    公开(公告)日:2008-03-13

    申请号:US11896836

    申请日:2007-09-06

    申请人: Teru Shimada

    发明人: Teru Shimada

    摘要: A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently hydrogen, alkyl having 1 to 10 carbons or alkenyl having 2 to 10 carbons, provided that in the alkyl, —CH2— may be replaced by —O—, but plural —O— are not adjacent to each other, and hydrogen may be replaced by fluorine; ring A1 and ring A2 are each independently trans-1,4-cyclohexylene or 1,4-phenylene, provided that one or two hydrogens of the 1,4-phenylene may be replaced by halogen, and in a 6-membered ring of these groups, one —CH2— or two —CH2— that are not adjacent to each other may be replaced by —O—, and one or two —CH═ may be replaced by —N═; Z1 and Z2 are each independently a single bond, —(CH2)2—, —(CH2)4—, —CH═CH—, —C≡—, —CH2O—, —OCH2—, —COO—, —OCO— or —OCF2—; l and m are each independently 0, 1 or 2, provided that l+m is 0, 1, 2 or 3; and n is an integer of from 0 to 6, provided that in —(CH2)n—, —CH2— may be replaced by —O—, but plural —O— are not adjacent to each other, and hydrogen may be replaced by fluorine.

    摘要翻译: 选自由式(a)表示的一组化合物的液晶化合物:其中Ra和Rb各自独立地为氢,具有1至10个碳的烷基或具有2至10个碳的烯基,条件是在烷基中,-CH 可以被-O-代替,但是多个-O-不彼此相邻,并且氢可以被氟代替; 环A 1和环A 2各自独立地是反式-1,4-亚环己基或1,4-亚苯基,条件是1,4-二亚苯基的一个或两个氢, 亚苯基可以被卤素取代,并且在这些基团的6元环中,彼此不相邻的一个-CH 2 - 或 - 两个-CH 2 - 可以被-O-取代,一个或两个-CH-可以被-N取代; Z 1和Z 2各自独立地为单键, - (CH 2)2 - , - ( CH 2 - , - CH 2 - , - CH-, - C≡-, - CH 2 O - , - OCH 2 -COO - , - OCO-或-OCF 2 - ; l和m各自独立地为0,1或2,条件是l + m为0,1,2或3; 并且n为0至6的整数,条件是在 - (CH 2 - ) - , - CH 2 - 通过-O-,但是多个-O-不彼此相邻,并且氢可以被氟代替。

    Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition using this and liquid crystal display device
    8.
    发明授权
    Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition using this and liquid crystal display device 有权
    具有负介电各向异性的液晶化合物,使用其的液晶组合物和液晶显示装置

    公开(公告)号:US08298632B2

    公开(公告)日:2012-10-30

    申请号:US13145344

    申请日:2010-01-27

    摘要: The invention provides a liquid crystal compound having a suitable value of refractive index anisotropy, a suitable value of dielectric anisotropy, steep characteristics electro-optic characteristics, a wide temperature range of a nematic phase and an excellent compatibility with other liquid crystal compounds, and a liquid crystal compounds especially having a wide temperature range of a nematic phase.A compound represented by formula (1). For example, R1 and R2 are each independently alkyl having 1 to 9 carbons or alkenyl having 2 to 9 carbons, alkoxy having 1 to 8 carbons or alkenyloxy having 2 to 8 carbons; Q1 and Q4 are each independently fluorine or chlorine; Q2 and Q3 are each independently hydrogen, fluorine or chlorine, and one of Q2 and Q3 is hydrogen; Z is —CH2 O— or —COO—; and h is 1 or 2.

    摘要翻译: 本发明提供了具有合适的折射率各向异性值,介电各向异性的适当值,陡峭特性电光特性,向列相的宽温度范围以及与其它液晶化合物的优异相容性的液晶化合物,以及 特别是具有向列相的宽温度范围的液晶化合物。 由式(1)表示的化合物。 例如,R 1和R 2各自独立地为具有1至9个碳的烷基或具有2至9个碳的烯基,具有1至8个碳的烷氧基或具有2至8个碳的烯氧基; Q1和Q4各自独立地为氟或氯; Q2和Q3各自独立地为氢,氟或氯,Q2和Q3中的一个为氢; Z是-CH 2 O-或-COO-; h为1或2。

    Liquid crystal composition and liquid crystal display device
    9.
    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:US07851032B2

    公开(公告)日:2010-12-14

    申请号:US12437212

    申请日:2009-05-07

    摘要: A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having especially negatively large dielectric anisotropy as the first component, a specific bicyclic compound having a small viscosity as the second component, a specific compound having a high maximum temperature as the third component, a specific compound having a negatively large dielectric anisotropy, a low minimum temperature as the fourth component. The liquid crystal composition has a negative dielectric anisotropy. The liquid crystal display device contains the liquid crystal composition.

    摘要翻译: 提供一种液晶组合物,其满足向列相的最高上限温度,向列相的低最低温度,小粘度,大光学各向异性,大介电各向异性,大介电常数各向异性等特性中的至少一种特性 大的电阻率,对紫外线的高稳定性和高的热稳定性,或者至少两个特性适当平衡。 提供了具有短的响应时间,大的电压保持率,大的对比度,长的使用寿命等的AM装置。 液晶组合物含有作为第一成分的具有特别不利的介电各向异性特别特殊的化合物,作为第二成分的粘度小的特定二环化合物,作为第三成分的最高温度的特定化合物,具有 负极大的介电各向异性,低的最低温度作为第四组分。 液晶组合物具有负的介电各向异性。 液晶显示装置含有液晶组合物。

    FOUR- OR FIVE-RING LIQUID CRYSTAL COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE
    10.
    发明申请
    FOUR- OR FIVE-RING LIQUID CRYSTAL COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE 有权
    具有横向氟,液晶组合物和液晶显示装置的四环或四环液晶化合物

    公开(公告)号:US20100309402A1

    公开(公告)日:2010-12-09

    申请号:US12676328

    申请日:2008-08-26

    摘要: The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, and a suitable elastic constant K33, and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K33, a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.

    摘要翻译: 本发明提供了一种对热,光等具有稳定性,向列相的宽温度范围,小粘度,适当的光学各向异性和合适的弹性常数K33的液晶化合物,并且还具有适当和负电介质 各向异性和与其它液晶化合物的良好相容性,以及对热,光等具有稳定性的液晶组合物,低粘度,大的光学各向异性,适合的和负的介电各向异性以及合适的弹性常数K33, 向列相的低阈值电压,高最高温度(向列相各向同相的相变温度)和向列相的低最低温度。 具有在侧面具有氟的具有特定结构的液晶化合物,并且还具有其中苯上的氢被氟取代的苯并且含有该化合物的液晶组合物。