Five-ring liquid crystal compound, liquid crystal composition and liquid crystal display device
    34.
    发明授权
    Five-ring liquid crystal compound, liquid crystal composition and liquid crystal display device 有权
    五环液晶复合物,液晶组合物和液晶显示装置

    公开(公告)号:US08470199B2

    公开(公告)日:2013-06-25

    申请号:US13376383

    申请日:2010-06-02

    摘要: The invention provides a liquid crystal compound having a high stability to heat, light or the like, a nematic phase in a wide temperature range, a small viscosity, a suitable optical anisotropy (especially, a relatively small optical anisotropy), a large elastic constant K33 and a suitable dielectric anisotropy (especially, a relatively large dielectric anisotropy), which is represented by formula (1-1). For example, R1 and R2 are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; the ring A1 and the ring A2 is 1,4-phenylene, 2-fluoro-1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene; and m and n are 0, 1, 2 or 3, and the sum of m and n is 3.

    摘要翻译: 本发明提供一种对热,光等具有高稳定性的液晶化合物,宽温度范围内的向列相,粘度小,光学各向异性特别好(特别是相对较小的光学各向异性),大的弹性常数 K33和由式(1-1)表示的合适的介电各向异性(特别是相对大的介电各向异性)。 例如,R 1和R 2是具有1至10个碳的烷基,具有2至10个碳的烯基或具有1至9个碳的烷氧基; 环A1和环A2是1,4-亚苯基,2-氟-1,4-亚苯基,3-氟-1,4-亚苯基或3,5-二氟-1,4-亚苯基; m和n分别为0,1,2或3,m和n之和为3。

    Four- or five-ring liquid crystal compound having lateral fluorine, liquid crystal composition, and liquid crystal display device
    35.
    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 crystal compound having negative dielectric anisotropy, liquid crystal composition and liquid crystal display device using the same
    38.
    发明授权
    Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition and liquid crystal display device using the same 有权
    具有负介电各向异性的液晶化合物,液晶组合物和使用其的液晶显示装置

    公开(公告)号:US09109157B2

    公开(公告)日:2015-08-18

    申请号:US13499292

    申请日:2010-09-27

    摘要: The invention provides a liquid crystal compound having general physical properties necessary for the liquid crystal compound, namely, stability to heat, light and so forth, a small viscosity, a refractive index anisotropy having a suitable magnitude value, a dielectric anisotropy having a suitable magnitude value, steep electrooptical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; a compound represented by formula (i): wherein, for example, R1 and R2 are alkyl having 1 to 8 carbons or alkenyl having 2 to 8 carbons; ring A1 is trans-1,4-cyclohexylene or 1,4-phenylene; ring A2 is trans-1,4-cyclohexylene or 2,3-difluoro-1,4-phenylene; Q1 and Q2 are fluorine or chlorine; and h is 0, 1 or 2.

    摘要翻译: 本发明提供了具有液晶化合物所需的一般物性的液晶化合物,即对热,光等的稳定性,粘度小,折射率各向异性具有合适的量值,具有合适幅度的介电各向异性 值,陡峭的电光特性,向列相的宽温度范围,以及与其它液晶化合物,特别是具有宽的向列相温度范围宽的液晶化合物的良好的相容性。 由式(ⅰ)表示的化合物:其中,例如,R 1和R 2为碳数1〜8的烷基或碳原子数为2〜8的烯基; 环A1为反式-1,4-亚环己基或1,4-亚苯基; 环A2是反式-1,4-亚环己基或2,3-二氟-1,4-亚苯基; Q1和Q2是氟或氯; h为0,1或2。

    Liquid crystal compound, liquid crystal composition and liquid crystal display device
    39.
    发明授权
    Liquid crystal compound, liquid crystal composition and liquid crystal display device 有权
    液晶复合物,液晶组合物和液晶显示装置

    公开(公告)号:US08580147B2

    公开(公告)日:2013-11-12

    申请号:US13496201

    申请日:2010-09-02

    摘要: A liquid crystal compound represented by formula (1-1). For example, R1 and R2 are independently hydrogen, alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons or alkenyloxy having 2 to 9 carbons; the ring A1 is trans-1,4-cyclohexylene, 1,4-cyclohexenylene, 1,3-dioxane-2,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl; L1 and L2 are independently hydrogen or fluorine, and at least one of them is fluorine; and Z1, Z2 and Z3 are independently a single bond, —(CH2)2—, —CH═CH—, —C≡C—, —CH2O—, —OCH2—, —COO— or —OCO—.

    摘要翻译: 由式(1-1)表示的液晶化合物。 例如,R 1和R 2独立地为氢,具有1至10个碳的烷基,具有2至10个碳的烯基,具有1至9个碳的烷氧基,具有2至9个碳的烷氧基烷基或具有2至9个碳的烯氧基; 环A1为反式-1,4-亚环己基,1,4-亚环己烯基,1,3-二恶烷-2,5-二基,嘧啶-2,5-二基或吡啶-2,5-二基。 L1和L2独立地是氢或氟,并且它们中的至少一个是氟; 并且Z 1,Z 2和Z 3独立地为单键, - (CH 2)2 - , - CH = CH - , - C = C - , - CH 2 O - , - OCH 2 - , - COO-或-OCO-。