专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明申请

US20120138852A1 LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE 有权
标题翻译：液晶组合物和液晶显示装置
公开(公告)号：US20120138852A1
公开(公告)日：2012-06-07
申请号：US13313899
申请日：2011-12-07
申请人： Takayoshi YANAI , Norikatsu HATTORI
发明人： Takayoshi YANAI , Norikatsu HATTORI
IPC分类号： C09K19/30 , C09K19/34
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。

22. 发明授权

US08057867B2 Liquid crystal composition and liquid crystal display device 有权
标题翻译：液晶组成和液晶显示装置
公开(公告)号：US08057867B2
公开(公告)日：2011-11-15
申请号：US12862602
申请日：2010-08-24
申请人： Takayoshi Yanai , Takashi Hiraoka , Masayuki Saito
发明人： Takayoshi Yanai , Takashi Hiraoka , Masayuki Saito
IPC分类号： C09K19/30 , C09K19/12 , C09K19/20
CPC分类号： C09K19/126 , C09K19/3003 , C09K19/3068 , C09K19/44 , C09K2019/123 , C09K2019/301 , C09K2019/3016 , C09K2019/3075 , Y10T428/10
摘要： 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.
摘要翻译：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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式