Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.

Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.

Yaohua Han

Kui Wang

Ruimao Hua

Guoliang Yun

Zhiguo Xia

Zhian Liang

Gang Wen

Xing Zhang

Yunxia Qiao

Jian Wang

Hongfeng Li

Zengjia Yang

Jianli Zhang

Wenhai Lv

A cycloheptane derivative as represented by formula (I), and preparation method and use thereof; the compound has photostability and thermostability, wide nematic phase and liquid crystalline state temperature range, and good low-temperature intersolubility, and particularly has low rotary viscosity &#x3b3;and good dielectric anisotropy (&#x394;&#x2208;&#x3e;0). 

Cycloheptane derivative and preparation method and use thereof

A liquid crystal compound containing cyclobutyl and a linking group difluoromethyleneoxy, and a preparation method and use thereof are disclosed. The compound is as shown in Formula I. The liquid crystal compound containing cyclobutyl as a terminal group and difluoromethyleneoxy (&#x2014;CFO&#x2014;) as a linking group in the molecular structure of Formula I according to the present invention, has not only a high dielectric anisotropy, but also importantly an extremely fast response speed and a high clearing point, which are of great significance for the formulation of a liquid crystal mixture. 

Liquid Crystal compound containing cyclobutyl group and difluoromethyleneoxy linking group, and preparation method and use thereof

Disclosed is a liquid crystal compound. The compound has a general structural formula as shown by formula I.  Such a compound has good thermal and UV stability, large positive dielectric anisotropy &#x394;&#x2208;, and can achieve a low threshold voltage when used in optics, thereby having great significance to the fast response of display devices, and therefore being very suitable for formulating a liquid crystal mixture. A liquid crystal mixture containing such a liquid crystal unit can be applied to various display devices, and is especially suitable for TN-TFT and STN display devices, but can also be used in IPS (in-plane switching) and VA (vertically aligned) display devices.

Liquid crystal compound

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Shijiazhuang, China

Yaohua Han