Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.

Jingyi Feng

Ruimao Hua

Guoliang Yun

Gang Wen

Xing Zhang

Ming Li

Yunxia Qiao

Guoliang Yuan

Lihong Gui

Jin Wang

Hongmei Cui

Lianbo Mao

Yajie Duan

Yamin Li

Xiaobin Rong

Ziqian Shi

Disclosed is a liquid crystal composition and use thereof. The liquid crystal composition comprises components a, b and c; wherein component a is selected from one of the compounds represented by formula I; component b is a liquid crystal composition having a dielectric anisotropy of greater than 3; and component c is a liquid crystal composition having a dielectric anisotropy of &#x2212;3 to 3. The liquid crystal composition has a high contrast ratio property, and has a low change rate at a low temperature, that is, the decrease of contrast ratio at a low temperature (such as &#x2212;20&#xb0; C.) is smaller as compared to a normal temperature. The composition has suitable properties with regard to practical applications, including a broader nematic phase range, an appropriate dielectric anisotropy, optical anisotropy and operating voltage, an excellent response time, a high electrical resistivity and voltage holding ratio, a low rotary viscosity, etc. 

Liquid crystal composition and application thereof

A liquid crystal composition having a negative dielectric anisotropy is disclosed. The liquid crystal composition includes compounds of Formulas I to IV. The composition has a low threshold voltage, a low rotary viscosity, a high resistivity, a high voltage holding ratio, and a good high temperature and UV stability. The LC medium has the advantage of obviously reduced response time after polymerization under UV irradiation, thus having important application value. 

Liquid crystal composition having negative dielectric anisotropy

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Hebei, China

Jingyi Feng