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    • 3. 发明公开
    • LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT
    • 液晶组合物和液晶显示元件
    • EP2835411A1
    • 2015-02-11
    • EP13772695.6
    • 2013-02-22
    • JNC CorporationJNC Petrochemical Corporation
    • FURUSATO YoshimasaMAEDA TaketoHIRAOKA Takashi
    • C09K19/34C09K19/12C09K19/14C09K19/20C09K19/30G02F1/13
    • C09K19/3402C09K19/42C09K2019/0466C09K2019/3019C09K2019/3021C09K2019/3025C09K2019/3071C09K2019/3422G02F1/1347
    • 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 dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or to provide a liquid crystal composition having a suitable balance regarding at least two of the characteristics; and to provide an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth.
      The liquid crystal composition has a nematic phase and contains a specific compound having a large dielectric anisotropy as a first component, may contain a specific compound having a high maximum temperature or a small viscosity as a second component and a specific compound having a high maximum temperature or a large dielectric anisotropy as a third component; and a liquid crystal display device includes the liquid crystal composition.
    • 提供满足向列相的上限温度高,向列相的下限温度低,粘度小,适当的光学各向异性,介电常数各向异性大,比电阻大的特性中的至少一个特性的液晶组合物 对紫外线的高稳定性和对热的高稳定性,或者提供关于至少两种特性具有适当平衡的液晶组合物; 并提供响应时间短,电压保持率大,对比度大,使用寿命长等的AM装置。 液晶组合物具有向列相,并且含有具有大的介电各向异性的特定化合物作为第一组分,可以含有作为第二组分的具有高的最高温度或低粘度的特定化合物和具有高的最高温度 或作为第三组分的大的介电各向异性; 并且液晶显示装置包含该液晶组合物。