公开(公告)号：US20100294993A1

公开(公告)日：2010-11-25

申请号：US12781609

申请日：2010-05-17

申请人： Hiroaki FUJITA ,  Eiki MACHIDA

发明人： Hiroaki FUJITA ,  Eiki MACHIDA

IPC分类号： C09K19/30

CPC分类号： C09K19/44 ,  C09K19/20 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3016 ,  C09K2019/3077 ,  Y10T428/10

摘要： The invention provides a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a large optical anisotropy, a large dielectric anisotropy, a small pretilt angle, a large specific resistance, a high stability to ultraviolet light, and a high stability to heat, or provides a liquid crystal composition that is properly balanced regarding at least two characteristics. The invention provides an AM device that has a short response time, a large voltage holding ratio, a high contrast ratio, a long service life and so forth. A liquid crystal display device contains the liquid crystal composition having a nematic phase that includes three components, wherein the first component is a specific difluoroalkenyldicyclohexane compound having a small viscosity, the second component is a specific compound having difluoromethyleneoxy bond having a large dielectric anisotropy, and the third component is a specific terphenyl compound having a large optical anisotropy.

摘要翻译： 本发明提供了一种液晶组合物，其具有以下特征中的至少一种特性：向列相的最高的最高温度，向列相的低最低温度，低粘度，大的光学各向异性，大的介电各向异性， 小的预倾角，大的电阻率，对紫外线的高稳定性和高的热稳定性，或者提供了关于至少两个特性适当平衡的液晶组合物。 本发明提供一种AM响应时间短，电压保持率大，对比度高，使用寿命长等的AM装置。 液晶显示装置含有具有向列相的三种成分的液晶组合物，其中，第一成分是具有较小粘度的特定的二氟烯基二环己烷化合物，第二成分是具有大的介电各向异性的二氟亚甲基氧基的具体化合物，以及 第三组分是具有大的光学各向异性的特定的三联苯化合物。

公开(公告)号：US20100294992A1

公开(公告)日：2010-11-25

申请号：US12766735

申请日：2010-04-23

申请人： Hiroaki FUJITA ,  Eiki MACHIDA

发明人： Hiroaki FUJITA ,  Eiki MACHIDA

IPC分类号： C09K19/30

CPC分类号： C09K19/44 ,  C09K19/20 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3016 ,  C09K2019/3077 ,  Y10T428/10

摘要： The invention provides a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a large optical anisotropy, a large dielectric anisotropy, a small pretilt angle, a large specific resistance, a high stability to ultraviolet light, and a high stability to heat, or provides a liquid crystal composition that is properly balanced regarding at least two characteristics. The invention provides an AM device that has a short response time, a large voltage holding ratio, a high contrast ratio, a long service life and so forth. A liquid crystal display device contains the liquid crystal composition having a nematic phase that includes three components, wherein the first component is a specific difluoroalkenyldicyclohexane compound having a small viscosity, the second component is a specific compound having difluoromethyleneoxy bond having a large dielectric anisotropy, and the third component is a specific terphenyl compound having a large optical anisotropy.