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公开(公告)号：US10030198B2
公开(公告)日：2018-07-24
申请号：US14519133
申请日：2014-10-21
摘要： The means concerns a liquid crystal composition that has negative dielectric anisotropy and that comprises a specific compound having a high stability to ultraviolet light as a first component, wherein the composition may comprise a specific compound having a high maximum temperature or a small viscosity as a second component, and a specific compound having a large negative dielectric anisotropy as a third component, and a specific compound having a polymerizable group as an additive component.
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公开(公告)号：US09714383B2
公开(公告)日：2017-07-25
申请号：US14903056
申请日：2014-06-09
IPC分类号： G02F1/1333 , C09K19/34 , C07C25/18 , C09K19/12 , C09K19/30 , C07C43/29 , C07D309/06 , C07D319/06 , C09K19/54 , C07C43/225 , C09K19/04
CPC分类号： C09K19/3402 , C07C25/18 , C07C43/225 , C07C43/29 , C07D309/06 , C07D319/06 , C09K19/12 , C09K19/3003 , C09K19/542 , C09K2019/0466 , C09K2019/124 , C09K2019/3025 , C09K2019/3422 , C09K2019/548
摘要： A liquid crystal composition having a suitable balance regarding at least one or two of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, small viscosity, suitable optical anisotropy, large positive dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat or a large elastic constant; and an AM device having a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio or a long service life. The composition has positive dielectric anisotropy and contains a specific compound having high stability to ultraviolet light as a first component, and a liquid crystal display device includes the composition.
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公开(公告)号：US09714382B2
公开(公告)日：2017-07-25
申请号：US14825162
申请日：2015-08-12
IPC分类号： G02F1/1333 , C09K19/34 , C09K19/30 , C07C43/225 , C07D309/06 , C07D311/60 , C07C57/62 , C09K19/54 , C09K19/04 , C09K19/12
CPC分类号： C09K19/3402 , C07C43/225 , C07C57/62 , C07D309/06 , C07D311/60 , C09K19/3048 , C09K19/3066 , C09K19/3068 , C09K19/3098 , C09K2019/0448 , C09K2019/123 , C09K2019/3004 , C09K2019/3016 , C09K2019/3021 , C09K2019/3078 , C09K2019/3422 , C09K2019/3425 , C09K2019/548
摘要： A liquid crystal composition having at least one or a suitable balance regarding at least two of characteristics such as high maximum temperature of a nematic phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light or heat and a large elastic constant; an AM device having characteristics such as short response time, a large voltage holding ratio, low threshold voltage, a large contrast ratio and long service life are described. The liquid crystal composition has negative dielectric anisotropy, and contains a specific compound having negatively large dielectric anisotropy and a large elastic constant as a first component, and may contain a specific compound having high maximum temperature or small viscosity as a second component, a specific compound having negative dielectric anisotropy as a third component, and a specific compound having a polymerizable group as an additive component.
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公开(公告)号：US08968597B2
公开(公告)日：2015-03-03
申请号：US13959757
申请日：2013-08-06
IPC分类号： C09K19/52 , C09K19/06 , G02F1/1333 , C09K19/34 , C09K19/30 , C09K19/32 , C09K19/00 , C09K19/02 , C09K19/56 , G02F1/139 , C09K19/12 , C09K19/14 , C09K19/04
CPC分类号： C09K19/56 , C09K19/12 , C09K19/14 , C09K2019/0448 , C09K2019/122 , C09K2019/123 , G02F1/1396 , Y10T428/10
摘要： 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 between at least two of the characteristics, is described. The liquid crystal composition includes a compound having three or more polymerizable groups as a first component and a compound having one or two polymerizable groups as a second component in a suitable ratio, and that may include a specific compound having a large negative dielectric anisotropy and a low minimum temperature as a third component or a specific compound having a small viscosity or a high maximum temperature as a fourth component.
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，小粘度，适当的光学各向异性，大的负介电各向异性，大电阻率等特性中的至少一种的液晶组合物 描述了对紫外光的高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的高稳定性。 液晶组合物包括具有三个或更多个可聚合基团的化合物作为第一组分和具有一个或两个可聚合基团的化合物作为适当比例的第二组分，并且可以包括具有大的负介电各向异性的特定化合物和 作为第三组分的低最低温度或具有小粘度或高最高温度的特定化合物作为第四组分。
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公开(公告)号：US10774264B2
公开(公告)日：2020-09-15
申请号：US15743665
申请日：2016-06-29
发明人： Eriko Kurihara , Masayuki Saito
IPC分类号： G02F1/1333 , C09K19/44 , C09K19/12 , C09K19/32 , G02F1/13 , C09K19/42 , C09K19/38 , C09K19/34 , C09K19/30 , C09K19/14 , C09K19/54 , C09K19/04
摘要： Provided are a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or has a suitable balance regarding at least two of the characteristics; and an AM device having characteristics such as a short response time, a large voltage holding ratio, low threshold voltage, a large contrast ratio and a long service life. The liquid crystal composition may contain a specific compound having large negative dielectric anisotropy as a first component, a specific compound having high maximum temperature as a second component, a specific compound having negative dielectric anisotropy as a third component, or a specific compound having a polymerizable group as an additive component.
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公开(公告)号：US10655063B2
公开(公告)日：2020-05-19
申请号：US15784202
申请日：2017-10-16
发明人： Masayuki Saito , Eriko Kurihara
IPC分类号： G02F1/1333 , C09K19/30 , C09K19/54 , G02F1/1337 , C09K19/44 , C09K19/12 , C09K19/04 , G02F1/137 , C09K19/34
摘要： Provided are a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, low viscosity, suitable optical anisotropy and large negative dielectric anisotropy, or having a suitable balance regarding at least two of the characteristics; and an AM device including the composition. The liquid crystal composition contains a specific compound having large negative dielectric anisotropy as a first component, and a specific compound having high maximum temperature or low viscosity as a second component, and may contain a specific compound having negative dielectric anisotropy as a third component, or a specific compound having a polymerizable group as an additive.
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公开(公告)号：US09868906B2
公开(公告)日：2018-01-16
申请号：US14908547
申请日：2014-06-19
IPC分类号： C07C43/29 , C09K19/34 , C09K19/12 , C09K19/54 , C09K19/30 , C09K19/42 , C07C25/18 , C07D309/06 , C09K19/04
CPC分类号： C09K19/3402 , C07C25/18 , C07D309/06 , C09K19/12 , C09K19/3003 , C09K19/3066 , C09K19/42 , C09K19/54 , C09K19/542 , C09K2019/0448 , C09K2019/124 , C09K2019/125 , C09K2019/3025 , C09K2019/3422 , C09K2019/3425 , C09K2019/548
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 the nematic phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat, or has a suitable balance regarding at least two of the characteristics. The composition contains a specific compound having high stability to ultraviolet light as a first component, and a liquid crystal display device includes the composition. The composition may contain a specific compound having large negative dielectric anisotropy as a second component, a specific compound having high maximum temperature or small viscosity as a third component, and a specific compound having a polymerizable group as an additive component.
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