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公开(公告)号：US07608310B2
公开(公告)日：2009-10-27
申请号：US11472564
申请日：2006-06-22
CPC分类号： C09K19/3001 , C09K19/44 , Y10T428/10
摘要： The invention provides a liquid crystal composition that satisfies many characteristics among the characteristics such as a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, and a large specific resistance, 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 mono-fluorine-replaced liquid crystal compound having a specific structure and a second component containing a liquid crystal compound having two or more fluorines having a specific structure, and the liquid crystal display device contains the liquid crystal composition.
摘要翻译： 本发明提供一种液晶组合物，其特征如在向列相的温度范围宽，粘度小，光学各向异性大，介电各向异性大，电阻率大等特性上， 显示装置包含组成。 液晶组合物具有负介电各向异性，并且含有含有具有特定结构的单氟置换液晶化合物的第一组分和含有具有两个或多个具有特定结构的氟的液晶化合物的第二组分，并且液体 晶体显示装置含有液晶组合物。
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公开(公告)号：US20050230661A1
公开(公告)日：2005-10-20
申请号：US11108002
申请日：2005-04-14
CPC分类号： C09K19/3066 , C09K19/3001 , Y10T428/10 , Y10T428/1005
摘要： An advantage of the present invention is to provide a liquid crystal composition, which satisfies two or more of characteristics such as a wide nematic phase temperature range, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, and a large specific resistance. One aspect of the invention is to provide a liquid crystal composition having properly balanced characteristics. Another aspect of the invention is to provide a liquid crystal display element, which includes such a composition to have a large voltage holding ratio. A further aspect of the invention is to provide an AM element, which includes a composition having characteristics such as a small viscosity, an optical anisotropy of 0.05 to 0.11, and a dielectric anisotropy of −6.5 to −2.0, and is suitable for a VA mode, an IPS mode, etc. A liquid crystal composition with a negative dielectric anisotropy, comprising at least one compound selected from the group of compounds represented by the following formula (1) as a first component, and at least one compound selected from the group of compounds represented by the following formulas (2-1) to (2-3) and (3-1) to (3-4) as a second component: wherein R1 is alkyl or alkenyl; R2is alkyl, alkenyl, or alkoxy; R3 is alkyl, alkenyl, alkoxy, or —COO—R4, in which R4 is alkyl; R5 is alkyl, alkenyl, alkoxy, or alkoxymethyl; Z1 and Z2 are independently a single bond, —CH2O—, —OCH2—, —(CH2)2—, —(CH2)4—, —CF2O—, —OCF2—, —C2H4CF2O—, —C2H4OCF2—, —CF2OC2H4—, or —OCF2C2H4—, Z3 is a single bond or —COO—; A1 is 1,4-cyclohexylene or 1,4-phenylene; A2 and A3 are independently 1,4-cyclohexylene, 1,4-phenylene, 1,4-phenylene in which any hydrogen may be replaced by fluorine, or 2-difluoromethyl-3-fluoro-1,4-phenylene; A4 is 1,4-cyclohexylene, 1,4-phenylene, or 1,4-phenylene in which a hydrogen is replaced by a fluorine; A5 is 1,4-phenylene or 1,4-phenylene in which a hydrogen is replaced by a fluorine; A6is 2-fluoro-1,4-phenylene; n is 0 or 1; in the formula (1), when n is 0, A2 is 2-difluoromethyl-3-fluoro-1,4-phenylene, and Z2 is a single bond; and in the formula (1), when n is 1, one of A2 and A3 is 2-difluoromethyl-3-fluoro-1,4-phenylene, and one of Z1 and Z2 is a single bond.
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公开(公告)号：US07608199B2
公开(公告)日：2009-10-27
申请号：US11108002
申请日：2005-04-14
CPC分类号： C09K19/3066 , C09K19/3001 , Y10T428/10 , Y10T428/1005
摘要： A liquid crystal composition with a negative dielectric anisotropy includes at least one compound selected from the group of compounds represented by the following formula (1) as a first component, and at least one compound selected from the group of compounds represented by the following formulas (2-1) to (2-3) and (3-1) to (3-4) as a second component.
摘要翻译： 具有负介电各向异性的液晶组合物包含至少一种选自由下式（1）表示的化合物作为第一组分的化合物和至少一种选自下式表示的化合物的化合物 2-1）至（2-3）和（3-1）至（3-4）作为第二组分。
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公开(公告)号：US20070007493A1
公开(公告)日：2007-01-11
申请号：US11472564
申请日：2006-06-22
CPC分类号： C09K19/3001 , C09K19/44 , Y10T428/10
摘要： The invention provides a liquid crystal composition that satisfies many characteristics among the characteristics such as a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, and a large specific resistance, 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 mono-fluorine-replaced liquid crystal compound having a specific structure and a second component containing a liquid crystal compound having two or more fluorines having a specific structure, and the liquid crystal display device contains the liquid crystal composition.
摘要翻译： 本发明提供一种液晶组合物，其特征如在向列相的温度范围宽，粘度小，光学各向异性大，介电各向异性大，电阻率大等特性上， 显示装置包含组成。 液晶组合物具有负介电各向异性，并且含有含有具有特定结构的单氟置换液晶化合物的第一组分和含有具有两个或多个具有特定结构的氟的液晶化合物的第二组分，并且液体 晶体显示装置含有液晶组合物。
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公开(公告)号：US09487701B2
公开(公告)日：2016-11-08
申请号：US13497528
申请日：2010-09-01
CPC分类号： C09K19/3003 , C09K19/42 , C09K2019/0451 , C09K2019/0466 , C09K2019/3004 , C09K2019/301 , C09K2019/3019
摘要： A liquid crystal composition 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 large optical anisotropy, a large positive dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and heat, or is suitably balanced between at least two of the characteristics. An AM device 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 includes a specific two-ring compound having a high maximum temperature and a large elastic constant as a first component, a specific compound having a large dielectric anisotropy as a second component, and has a nematic phase. The liquid crystal display device contains this composition.
摘要翻译： 液晶组合物满足向列相的最高最高温度，向列相的低最低温度，小粘度，大的光学各向异性，大的正介电各向异性，大电阻率等特性中的至少一种， 大的弹性常数，对紫外光和热的高稳定性，或者在至少两个特性之间适当平衡。 AM装置的响应时间短，电压保持率大，对比度大，使用寿命长等特点。 液晶组合物包含具有高的最高温度和大的弹性常数作为第一组分的特定的两环化合物，具有大的介电各向异性作为第二组分的特定化合物，并且具有向列相。 该液晶显示装置含有该成分。
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公开(公告)号：US08795553B2
公开(公告)日：2014-08-05
申请号：US13634545
申请日：2011-02-18
CPC分类号： C09K19/44 , C09K19/3001 , C09K19/3066 , C09K2019/122 , C09K2019/3004 , C09K2019/3025 , C09K2019/3036 , C09K2019/3037 , C09K2019/3078 , Y10T428/10 , Y10T428/1036
摘要： A liquid crystal composition is described, which contains a two-ring compound having a large optical anisotropy and a negatively large dielectric anisotropy as a first component, and a two-ring compound having a negatively large dielectric anisotropy and a small viscosity as a second component, and may further contain at least one of a compound having a small viscosity as a third component, a compound having a negatively large dielectric anisotropy as a fourth component, and a compound having an especially negatively large dielectric anisotropy as a fifth component. An AM liquid crystal display device containing the liquid crystal composition is also described.
摘要翻译： 描述了一种液晶组合物，其包含具有大的光学各向异性和负的大的介电各向异性作为第一组分的双环化合物和具有负的大的介电各向异性和小的粘度作为第二组分的双环化合物 并且还可以含有作为第三成分的粘度小的化合物，作为第四成分具有负的大的介电各向异性的化合物和作为第五成分的具有特别的负的大的介电各向异性的化合物中的至少一种。 还描述了包含液晶组合物的AM液晶显示装置。
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公开(公告)号：US08496850B2
公开(公告)日：2013-07-30
申请号：US13061104
申请日：2009-08-19
CPC分类号： C09K19/44 , C09K19/12 , C09K19/3003 , C09K2019/0407 , C09K2019/122 , C09K2019/3004 , C09K2019/3015 , C09K2019/3025 , C09K2019/3037 , C09K2019/3043 , Y10T428/10 , Y10T428/1036
摘要： Disclosed is a liquid crystal composition that can satisfy at least one of properties such as a high upper limit temperature of a nematic phase, a low lower limit temperature of a nematic phase, a low viscosity, a proper optical anisotropy, a negatively high dielectric anisotropy, a high specific resistance, a high stability against ultraviolet light, and a high stability against heat, or has a proper balance between at least two of the above properties. The liquid crystal composition comprises a first component of a dicyclic compound which has a negatively high dielectric anisotropy and contains fluorines at least three of lateral positions, a second component of a specific compound having a low viscosity, and a third component of a specific compound having a negatively high dielectric anisotropy and contains a negatively dielectric anisotropy. The liquid crystal display element comprises the composition.
摘要翻译： 公开了能够满足向列相的上限上限温度，向列相的低下限温度，低粘度，适当的光学各向异性，负高介电常数各向异性等特性中的至少一种的液晶组合物 ，高电阻率，对紫外线的高稳定性和高热稳定性，或者在至少两种上述性质之间具有适当的平衡。 液晶组合物包含具有负高介电各向异性的二环化合物的第一组分，并且含有至少三个横向位置的荧光，具有低粘度的特定化合物的第二组分和具有化合物的第三组分，具有 具有负高介电常数各向异性并且包含负介电各向异性。 该液晶显示元件包括该组合物。
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公开(公告)号：US08404317B2
公开(公告)日：2013-03-26
申请号：US13335947
申请日：2011-12-23
申请人： Masayuki Saito , Norikatsu Hattori
发明人： Masayuki Saito , Norikatsu Hattori
CPC分类号： C09K19/3402 , C09K19/16 , C09K19/44 , C09K2019/0459 , C09K2019/122 , C09K2019/3016 , C09K2019/3422 , C09K2019/3425 , Y10T428/10
摘要： The invention is to provide a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the 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 heat, or a liquid crystal composition having a suitable balance regarding at least two of the characteristics; and an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth; wherein a liquid crystal composition has a negative dielectric anisotropy and contains a specific compound having a large negative dielectric anisotropy as a first component and a specific two-ring compound having a large optical anisotropy and a low viscosity as a second component, and a liquid crystal display device contains the composition.
摘要翻译： 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， 大的电阻率，对紫外线和热的稳定性高的液晶组合物或具有至少两种特性的适当平衡的液晶组合物; 以及响应时间短，电压保持率大，对比度大，使用寿命长等的AM装置。 其中液晶组合物具有负的介电各向异性，并且含有具有大的负介电各向异性作为第一组分的特定化合物和具有大的光学异向性和低粘度的特定的两环化合物作为第二组分，以及液晶 显示设备包含组合。
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公开(公告)号：US08367167B2
公开(公告)日：2013-02-05
申请号：US13313899
申请日：2011-12-07
申请人： Takayoshi Yanai , Norikatsu Hattori
发明人： Takayoshi Yanai , Norikatsu Hattori
CPC分类号： C09K19/20 , C09K19/3066 , C09K19/44 , C09K2019/0444 , C09K2019/0466 , C09K2019/124 , Y10T428/10
摘要： A liquid crystal composition that satisfies at least one characteristic, such as, high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large specific resistance, large elastic constant, high stability to ultraviolet light and high stability to heat, or that is suitably balanced between at least two of the characteristics; and provides an AM device that has short response time, large voltage holding ratio, large contrast ratio, long service life and so forth. A liquid crystal composition is provided that has a nematic phase and includes a specific three-ring compound having a large dielectric anisotropy as a first component, a specific four-ring compound having a high maximum temperature and a large dielectric anisotropy as a second component, and a liquid crystal display device containing the composition.
摘要翻译： 满足向列相的最高最高温度，向列相的最低最低温度，粘度小，光学各向异性大，介电各向异性大，电阻率大，弹性常数高等特性的液晶组合物 对紫外线的稳定性和对热的高稳定性，或者在至少两种特性之间适当平衡; 并提供响应时间短，电压保持率大，对比度大，使用寿命长的AM器件。 提供一种具有向列相的液晶组合物，其具有作为第一成分的介电各向异性大的特定的三环化合物，作为第二成分的具有高的最高温度和大的介电各向异性的特定的四环化合物， 以及含有该组合物的液晶显示装置。
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公开(公告)号：US20120044453A1
公开(公告)日：2012-02-23
申请号：US13266776
申请日：2010-05-10
CPC分类号： C09K19/3066 , C09K19/20 , C09K19/42 , C09K2019/0466 , C09K2019/3021 , C09K2019/3025 , Y10T428/10 , Y10T428/1036
摘要： Provided is a liquid crystal composition that satisfies at least one of characteristics such as high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, large optical anisotropy, large dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or that is suitably balanced between at least two of the characteristics; and provided is an AM device. The liquid crystal composition having a nematic phase includes a three-ring compound having a specific difluoromethyleneoxy bond having large dielectric anisotropy as a first component, a specific three-ring compound having large dielectric anisotropy as a second component, a specific four-ring compound having high maximum temperature as a third component, and a specific two-ring compound having high maximum temperature and small viscosity as a fourth component, and the liquid crystal display device contains this composition.
摘要翻译： 提供一种液晶组合物，其满足向列相的最高最高温度，向列相的最低最低温度，粘度低，光学各向异性大，介电各向异性大，电阻率大，紫外线稳定性高等特性中的至少一种 光和高的热稳定性，或者在至少两种特性之间适当平衡; 并提供了AM设备。 具有向列相的液晶组合物包括具有作为第一组分的具有大的介电各向异性的特定二氟亚甲基氧基的三环化合物，作为第二组分的介电各向异性大的特定三环化合物，具有 作为第三成分的高最高温度，以及作为第四成分的具有最高温度和较小粘度的特定的二环化合物，并且液晶显示装置包含该组合物。
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