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    • 1. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US08158219B2
    • 2012-04-17
    • US13060054
    • 2009-09-02
    • Norikatsu HattoriMasayuki SaitoSubaru KawasakiHiroaki Fujita
    • Norikatsu HattoriMasayuki SaitoSubaru KawasakiHiroaki Fujita
    • C09K19/34C09K19/30C09K19/12C09K19/20
    • C09K19/44C09K19/12C09K19/3003C09K19/3402C09K2019/0407C09K2019/3422Y10T428/10
    • The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition has negative dielectric anisotropy and includes a two-ring compound having a large negative dielectric anisotropy and having at least three fluorines at the lateral positions as a first component, a specific two-ring or three-ring compound having a pyran ring as a second component, a specific compound having a small viscosity as a third component and a specific compound having a large negative dielectric anisotropy as a fourth component, and the liquid crystal display device contains this composition.
    • 本发明提供一种液晶组合物,其满足以下特征中的至少一种:向列相的最高的最高温度,向列相的低最低温度,小粘度,适当的光学各向异性,大的负介电各向异性 ,比电阻大,对紫外线的稳定性高,对热的稳定性高,或者对于至少两种特性适当平衡; 并且提供一种具有短的响应时间,大的电压保持率,大的对比度,较长的使用寿命等的AM器件,其中液晶组合物具有负的介电各向异性,并且包括具有 具有大的负介电各向异性并且在侧面具有至少三个氟化物作为第一组分,具有吡喃环作为第二组分的特定的二环或三环化合物,具有小粘度的具体化合物作为第三组分 和具有大的负介电各向异性作为第四成分的具体化合物,并且液晶显示装置含有该组成。
    • 2. 发明申请
    • LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶组合物和液晶显示装置
    • US20110140040A1
    • 2011-06-16
    • US13060054
    • 2009-09-02
    • Norikatsu HattoriMasayuki SaitoSubaru KawasakiHiroaki Fujita
    • Norikatsu HattoriMasayuki SaitoSubaru KawasakiHiroaki Fujita
    • C09K19/34
    • C09K19/44C09K19/12C09K19/3003C09K19/3402C09K2019/0407C09K2019/3422Y10T428/10
    • The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition has negative dielectric anisotropy and includes a two-ring compound having a large negative dielectric anisotropy and having at least three fluorines at the lateral positions as a first component, a specific two-ring or three-ring compound having a pyran ring as a second component, a specific compound having a small viscosity as a third component and a specific compound having a large negative dielectric anisotropy as a fourth component, and the liquid crystal display device contains this composition.
    • 本发明提供一种液晶组合物,其满足以下特征中的至少一种:向列相的最高的最高温度,向列相的低最低温度,小粘度,适当的光学各向异性,大的负介电各向异性 ,比电阻大,对紫外线的稳定性高,对热的稳定性高,或者对于至少两种特性适当平衡; 并且提供一种具有短的响应时间,大的电压保持率,大的对比度,较长的使用寿命等的AM器件,其中液晶组合物具有负的介电各向异性,并且包括具有 具有大的负介电各向异性并且在侧面具有至少三个氟化物作为第一组分,具有吡喃环作为第二组分的特定的二环或三环化合物,具有小粘度的具体化合物作为第三组分 和具有大的负介电各向异性作为第四成分的具体化合物,并且液晶显示装置含有该组成。
    • 5. 发明授权
    • Chlorofluorobenzene liquid crystal compound, liquid crystal composition and liquid crystal display device
    • 氯氟苯液晶化合物,液晶组合物和液晶显示装置
    • US07695777B2
    • 2010-04-13
    • US11896765
    • 2007-09-05
    • Yasuyuki GotoTeru ShimadaHiroaki FujitaNorikatsu Hattori
    • Yasuyuki GotoTeru ShimadaHiroaki FujitaNorikatsu Hattori
    • C09K19/34C09K19/30C09K19/32C09K19/12C09K19/20C07C25/06C07C25/13
    • C09K19/3098C09K19/42C09K19/54C09K2019/0407C09K2019/0411C09K2019/123C09K2019/3009C09K2019/301C09K2019/3016C09K2019/3027Y10T428/10
    • A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons, alkenyl having 2 to 10 carbons, alkenyloxy having 2 to 9 carbons, fluoroalkyl having 1 to 10 carbons or fluoroalkoxy having 1 to 9 carbons; ring A1, ring A2 and ring A3 are each independently trans-1,4-cyclohexylene, trans-1,3-dioxane-2,5-diyl, trans-tetrahydropyran-2,5-diyl, 1,4-phenylene, 2-fluoro-1,4-phenylene, 2,3-difluoro-1,4-phenylene, 2,5-difluoro-1,4-phenylene, 2,6-difluoro-1,4-phenylene, pyridine-2,5-diyl, 6-fluoropyridine-2,5-diyl or pyridazine-2,5-diyl; Z1, Z2 and Z3 are each independently a single bond, —(CH2)2—, —CH═CH—, —C≡C—, —CH2O, —OCH2—, —COO—, —OCO—, —OCF2—, —CF2O—, —CH2CH2OCF2— or —CF2OCH2CH2—; l, m and n are each independently 0, 1 or 2, provided that l+m+n is 0, 1, 2 or 3; one of X1 and X2 is fluorine, and the other is chlorine; Q is and atoms comprising the compound each may be an isotope thereof.
    • 一种选自一组由式(a)表示的化合物的液晶化合物:其中R a和R b各自独立地为具有1至10个碳的烷基,具有1至9个碳的烷氧基,具有2至9个碳的烷氧基烷基,具有2至10个碳原子的烯基 碳数2〜9的烯氧基,碳原子数1〜10的氟烷基或碳原子数1〜9的氟代烷氧基; 环A1,环A2和环A3各自独立地为反式-1,4-亚环己基,反式-1,3-二恶烷-2,5-二基,反式 - 四氢吡喃-2,5-二基,1,4-亚苯基,2 1-氟-1,4-亚苯基,2,3-二氟-1,4-亚苯基,2,5-二氟-1,4-亚苯基,2,6-二氟-1,4-亚苯基,吡啶-2,5 - 二基,6-氟吡啶-2,5-二基或哒嗪-2,5-二基; Z 1,Z 2和Z 3各自独立地为单键, - (CH 2)2 - , - CH = CH - , - C≡C - , - CH 2 O,-OCH 2 - , - COO-,-OCO-,-OCF 2 - -CF 2 O - , - CH 2 CH 2 OCF 2 - 或-CF 2 OCH 2 CH 2 - ; l,m和n各自独立地为0,1或2,条件是l + m + n为0,1,2或3; X1和X2中的一个是氟,另一个是氯; Q是和包含化合物的原子各自可以是其同位素。
    • 6. 发明申请
    • LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶组合物和液晶显示装置
    • US20090242835A1
    • 2009-10-01
    • US12293542
    • 2007-03-05
    • Hiroaki FujitaNorikatsu Hattori
    • Hiroaki FujitaNorikatsu Hattori
    • C09K19/12C09K19/30
    • C09K19/12C09K19/44C09K2019/0407C09K2019/0411C09K2019/123G02F1/0045G02F2001/13712Y10T428/10
    • A liquid crystal composition is provided that has a wide temperature range of a nematic phase, has a suitable optical anisotropy, has a large negative dielectric anisotropy and has a large specific resistance, and a liquid crystal composition is provided that can increase an optical anisotropy and has a low minimum temperature of a nematic phase, preferably −20° C. or less, while satisfying the aforementioned characteristics. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition of the invention has a negative dielectric anisotropy and contains a liquid crystal compound having terphenyl having one or two fluorines replacing hydrogen as a first component and a liquid crystal compound having phenylene having two halogens replacing hydrogens as a second component. The liquid crystal display device of the invention contains the liquid crystal composition.
    • 提供具有向列相的宽温度范围的液晶组合物,具有适当的光学各向异性,具有大的负介电各向异性并且具有大的电阻率,并且提供可以增加光学各向异性的液晶组合物, 具有低的向列相的最低温度,优选为-20℃以下,同时满足上述特性。 还提供了含有液晶组合物的液晶显示装置。 本发明的液晶组合物具有负的介电各向异性,并且含有具有取代氢作为第一组分的一或两个氟的三联苯的液晶化合物和具有替代氢作为第二组分的具有两个卤素的亚苯基的液晶化合物。 本发明的液晶显示装置含有液晶组合物。
    • 9. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US07803436B2
    • 2010-09-28
    • US12374770
    • 2007-06-26
    • Norikatsu HattoriHiroaki Fujita
    • Norikatsu HattoriHiroaki Fujita
    • C09K19/30C09K19/12C09K19/20G02F1/13
    • C09K19/3003C09K19/3001C09K19/42C09K2019/0407C09K2019/0451C09K2019/123C09K2019/301C09K2019/3016Y10T428/10
    • A liquid-crystal composition which satisfies at least one of properties including a high upper-limit temperature for the nematic phase, low lower-limit temperature for the nematic phase, low viscosity, high optical anisotropy, negatively high permittivity anisotropy, high specific resistance, high stability to ultraviolet, and high stability to heat or has a proper balance between at least two of those properties. The liquid-crystal composition comprises a first ingredient comprising at least one compound selected among compounds represented by the formulae (1-1) and (1-2) and a second ingredient comprising at least one compound selected among compounds represented by the formula (2) and has negative permittivity anisotropy. For example, R1, R2, R3, and R4 each is C1-12 alkyl; Z1, Z2, and Z3 each is a single bond or —(CH2)2—; and ring A is 1,4-cyclohexylene or 1,4-phenylene.
    • 满足向列相的上限上限温度,向列相的低下限温度,低粘度,高光学各向异性,高介电常数各向异性,高电阻率等特性中的至少一种的液晶组合物, 对紫外线的稳定性高,对热的稳定性高或在这些性质中的至少两种之间具有适当的平衡。 液晶组合物包含含有至少一种选自式(1-1)和(1-2)表示的化合物的化合物的第一成分和包含至少一种选自式(2)表示的化合物的化合物的第二成分 )并具有负介电常数各向异性。 例如,R 1,R 2,R 3和R 4各自为C 1-12烷基; Z 1,Z 2和Z 3各自为单键或 - (CH 2)2 - ; 环A为1,4-亚环己基或1,4-亚苯基。