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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
    • US08071182B2
    • 2011-12-06
    • US12781616
    • 2010-05-17
    • Takayoshi YanaiTakashi HiraokaMasayuki Saito
    • Takayoshi YanaiTakashi HiraokaMasayuki Saito
    • C09K19/30C09K19/12C09K19/20
    • C09K19/126C09K19/3003C09K19/3402C09K19/3458C09K19/44C09K2019/0466C09K2019/3422Y10T428/10
    • SubjectThe subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of the nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, a high stability to heat and a short helical pitch, or that is suitably balanced regarding at least two of the characteristics. The subject is also to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, a little light-leak and so forth.Means for Solving the SubjectThe invention provides a liquid crystal composition that has the nematic phase, including a specific optically active compound as a first component and a specific four-ring compound having a high maximum temperature of the nematic phase as a second component, and optionally including a specific compound having a high maximum temperature or small viscosity as a third component and a specific compound having a positively large dielectric anisotropy as a fourth component, and provides a liquid crystal display device including this composition.
    • 题目主题是提供一种液晶组合物,其满足以下特征中的至少一种:向列相的最高温度最高,向列相的最低温度低,粘度小,光学各向异性大,介电各向异性大 ,大的电阻率,对紫外线的高稳定性,对热的高稳定性和短的螺距,或者关于至少两种特性适当平衡。 本发明还提供一种响应时间短,电压保持率大,对比度大,使用寿命长,轻微漏光等的AM装置。 解决题目的手段本发明提供一种具有向列相的液晶组合物,其包含作为第一组分的特定光学活性化合物和作为第二组分的向列相的最高温度的特定四环化合物,以及 任选地包括具有高最高温度或小粘度的特定化合物作为第三组分和具有积极大的介电各向异性的具体化合物作为第四组分,并提供包含该组合物的液晶显示装置。
    • 2. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US08057867B2
    • 2011-11-15
    • US12862602
    • 2010-08-24
    • Takayoshi YanaiTakashi HiraokaMasayuki Saito
    • Takayoshi YanaiTakashi HiraokaMasayuki Saito
    • C09K19/30C09K19/12C09K19/20
    • C09K19/126C09K19/3003C09K19/3068C09K19/44C09K2019/123C09K2019/301C09K2019/3016C09K2019/3075Y10T428/10
    • SubjectThe subject 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 dielectric anisotropy, a large elastic constant ratio, a small temperature dependence of the threshold voltage, a small frequency dependence of the dielectric anisotropy and a short helical pitch, or that is suitably balanced regarding at least two of the characteristics. The subject is to provide a STN device that has a short response time, a large contrast ratio, a low threshold voltage, a small electric power consumption, a steep voltage-transmission curve and a small light leak.Means for Solving the SubjectThe invention provides a nematic liquid crystal composition that include a specific optically active compound as a first component and a specific compound having a positively large dielectric anisotropy as a second component, and that optionally may include a specific compound having a high maximum temperature or a small viscosity as a third component and a specific compound having a positively large dielectric anisotropy as a fourth component, and provides a liquid crystal display device containing this composition.
    • 题目主题是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,大的介电各向异性 ,大的弹性常数比,阈值电压的温度依赖性小,介电各向异性的小的频率依赖性和短的螺距,或者关于至少两个特性适当地平衡。 本发明提供一种具有短响应时间,大对比度,低阈值电压,小功率消耗,陡峭的电压传输曲线和小的漏光的STN装置。 解决题目的手段本发明提供一种向列型液晶组合物,其包含作为第一组分的特定光学活性化合物和具有正大介电各向异性作为第二组分的特定化合物,并且任选地可包括具有高 作为第三成分的最高温度或小粘度以及作为第四成分的具有正大的介电各向异性的特定化合物,并且提供含有该组合物的液晶显示装置。
    • 4. 发明申请
    • Liquid Crystal Composition and Liquid Crystal Display Device
    • 液晶组合物和液晶显示装置
    • US20110089373A1
    • 2011-04-21
    • US12860695
    • 2010-08-20
    • Takayoshi YanaiMasayuki Saito
    • Takayoshi YanaiMasayuki Saito
    • C09K19/34C09K19/06C09K19/30C09K19/12
    • C09K19/3028C09K19/3066C09K19/3402C09K19/42C09K2019/0411C09K2019/3422Y10T428/10Y10T428/1036
    • The subject 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 large optical anisotropy, a negatively large 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. The subject 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.The invention provides a liquid crystal composition that includes a specific compound having a negatively large dielectric anisotropy as a first component and a specific compound having a negatively large dielectric anisotropy as a second component, that optionally includes a specific compound having a high maximum temperature or a small viscosity as a third component and a specific compound having a negatively large dielectric anisotropy as a fourth component, and that has negative dielectric anisotropy, and provides a liquid crystal display device containing this composition.
    • 本发明提供一种液晶组合物,其满足向列相的最高的最高温度,向列相的低最低温度,小粘度,大的光学各向异性,负大的介电各向异性等特性中的至少一种 ,大的电阻率,对紫外线的高稳定性和对热的高稳定性,或者对于至少两种特性适当地平衡。 本发明的目的在于提供一种响应时间短,电压保持率大,对比度大,使用寿命长等的AM装置。 本发明提供一种液晶组合物,其包含作为第一组分的具有负的大的介电各向异性的特定化合物和作为第二组分具有负的大的介电各向异性的具体化合物,其任选地包括具有高的最高温度或 作为第三成分的小粘度和具有负的大介电各向异性的具体化合物作为第四成分,具有负的介电各向异性,并提供含有该组成的液晶显示装置。
    • 5. 发明申请
    • LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT
    • 液晶组合物和液晶显示元件
    • US20110193023A1
    • 2011-08-11
    • US13125249
    • 2009-09-25
    • Takayoshi YanaiMasayuki Saito
    • Takayoshi YanaiMasayuki Saito
    • C09K19/34C09K19/06C09K19/30C09K19/12
    • C09K19/42C09K19/20C09K19/3066C09K2019/0466Y10T428/10
    • Disclosed are: a liquid crystal composition which satisfies at least one property selected from the properties including a high upper-limit temperature of a nematic phase, a low lower-limit temperature of a nematic phase, a low viscosity, high optical anisotropy, high positive dielectric anisotropy, a high specific resistance, high stability toward ultraviolet ray and high stability toward heat or has a proper balance between at least two properties selected from the aforementioned properties. Specifically disclosed are: a liquid crystal composition which comprises a specific tetracyclic compound that enables the production of a nematic phase having a high upper-limit temperature and has high dielectric anisotropy as a first component and a specific compound having high positive dielectric anisotropy as a second component, and which has positive dielectric anisotropy; and a liquid crystal display element comprising the composition.
    • 公开了一种液晶组合物,其满足从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,高阳性的性质中选择的至少一种性质 介电各向异性,高电阻率,对紫外线的高稳定性和对于热的高稳定性,或者在从上述性质中选择的至少两种性质之间具有适当的平衡。 具体公开的是:液晶组合物,其包含特定的四环化合物,其能够制备具有高上限温度并具有高介电各向异性作为第一组分的向列相和具有高正介电各向异性的特定化合物作为第二组分 并具有正的介电各向异性; 和包含该组合物的液晶显示元件。
    • 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
    • US20110097519A1
    • 2011-04-28
    • US12856396
    • 2010-08-13
    • Takayoshi YanaiMasayuki Saito
    • Takayoshi YanaiMasayuki Saito
    • C09K19/04C09K19/30C09K19/34
    • C09K19/3068C09K19/3001C09K19/3066C09K19/3402C09K19/44C09K2019/0407C09K2019/123C09K2019/3021C09K2019/3043C09K2019/3422Y10T428/10Y10T428/1005Y10T428/1036
    • Subject The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of the 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 a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The subject is also to provide the AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, and so forth.Means for Solving the Subject The invention provides a liquid crystal composition having a negatively dielectric anisotropy containing a specific compound having a negatively large dielectric anisotropy as a first component, and a specific compound having a negatively large dielectric anisotropy as a second component, and provides a liquid crystal display device containing this composition.
    • 题目主题是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,适当的光学各向异性,大的负电介质 各向异性,电阻率大,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。 本发明还提供具有短的响应时间,大的电压保持率,大的对比度,长的使用寿命等的AM装置。 解决题目的手段本发明提供了具有负介电各向异性的液晶组合物,其具有作为第一成分的具有负的大的介电各向异性的特定化合物,作为第二成分具有负的大的介电各向异性的特定的化合物, 含有该组合物的液晶显示装置。
    • 7. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120229751A1
    • 2012-09-13
    • US13510004
    • 2010-11-19
    • Takayoshi YanaiMasayuki Saito
    • Takayoshi YanaiMasayuki Saito
    • C09K19/04C09K19/34C09K19/30
    • C09K19/42C09K19/20C09K19/3066C09K2019/0466C09K2019/122C09K2019/3004C09K2019/301C09K2019/3016C09K2019/3037G02F1/0045G02F2001/134372G02F2001/13706
    • The invention is to provide an AM device containing 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 large optical anisotropy, a large positive dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to and heat, or having a suitable balance regarding at least two of the characteristics, and the 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 display device contains a liquid crystal composition having a positive dielectric anisotropy and containing a specific compound having a large positive dielectric anisotropy as a first component and a specific compound having a small viscosity as a second component.
    • 本发明提供一种含有液晶组合物的AM装置,该液晶组合物满足向列相的上限最高温度,向列相的低最低温度,小粘度,大的光学各向异性,大的光学各向异性等特性中的至少一种 正的介电各向异性,大的电阻率,对紫外线的高稳定性和高的稳定性和热量,或者对于两个特性中的至少两个具有适当的平衡,以及具有较短响应时间的AM器件, 比例大,对比度大,使用寿命长等优点; 其中液晶显示装置含有具有正介电各向异性的液晶组合物,并且含有具有大的正介电各向异性的特定化合物作为第一组分和具有小粘度的特定化合物作为第二组分。
    • 9. 发明授权
    • Liquid crystal composition and liquid crystal display element
    • 液晶组成和液晶显示元件
    • US08349414B2
    • 2013-01-08
    • US13125249
    • 2009-09-25
    • Takayoshi YanaiMasayuki Saito
    • Takayoshi YanaiMasayuki Saito
    • C09K19/30C09K19/12G02F1/133
    • C09K19/42C09K19/20C09K19/3066C09K2019/0466Y10T428/10
    • A liquid crystal composition which satisfies at least one property selected from the properties including a high upper-limit temperature of a nematic phase, a low lower-limit temperature of a nematic phase, a low viscosity, high optical anisotropy, high positive dielectric anisotropy, a high specific resistance, high stability toward ultraviolet ray and high stability toward heat or has a proper balance between at least two properties selected from the aforementioned properties is described. And the liquid crystal composition which comprises a specific tetracyclic compound that enables the production of a nematic phase having a high upper-limit temperature and has high dielectric anisotropy as a first component and a specific compound having high positive dielectric anisotropy as a second component, and which has positive dielectric anisotropy; and a liquid crystal display element comprising the composition.
    • 一种液晶组合物,其满足从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,高正介电各向异性等特性中选择的至少一种性质, 描述了高电阻率,对紫外线的高稳定性和对于热的高稳定性或在从上述性质中选择的至少两种性质之间的适当平衡。 以及液晶组成物,其包含特定的四环化合物,其能够生产具有高上限温度并具有高介电各向异性作为第一组分的向列相和具有高正介电各向异性的具体化合物作为第二组分,以及 其具有正的介电各向异性; 和包含该组合物的液晶显示元件。