申请人:JNC Corporation
公开号:EP2757139A1
公开(公告)日:2014-07-23
To provide a liquid crystal composition satisfying at least one of characteristics or having a suitable balance regarding at least two of the characteristics such as high maximum temperature of a nematic phase, low minimum temperature thereof, small viscosity, large optical anisotropy, large dielectric anisotropy, large specific resistance, a large elastic constant, high stability to ultraviolet light and heat; an AM device having short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth.
The liquid crystal composition has the nematic phase and contains a compound having high maximum temperature and large dielectric anisotropy as a first component and a specific compound having large dielectric anisotropy as a second component, and may contain a specific compound having large dielectric anisotropy as a third component, and a compound having small viscosity as a fourth component. A liquid crystal display device includes the composition.
提供一种液晶组合物,该液晶组合物至少满足向列相的最高温度高、最低温度低、粘度小、光学各向异性大、介电各向异性大、比电阻大、弹性常数大、对紫外线和热的稳定性高等特性中的一个特性,或在至少两个特性之间取得适当平衡;提供一种调幅装置,该装置具有响应时间短、电压保持比大、对比度大、使用寿命长等特点。
液晶组合物具有向列相,包含一种具有较高最高温度和较大介电各向异性的化合物作为第一组分,一种具有较大介电各向异性的特定化合物作为第二组分,还可能包含一种具有较大介电各向异性的特定化合物作为第三组分,一种具有较小粘度的化合物作为第四组分。一种液晶显示设备包含该组合物。