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Patent
Shijiazhuang Chengzhi Yonghua Display Materials Co. | Date: 2013-08-30

The invention relates to liquid-crystalline compounds of the formula (I) having a CF


Patent
Shijiazhuang Chengzhi Yonghua Display Materials Co. | Date: 2013-09-17

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


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 (CF


Patent
Shijiazhuang Chengzhi Yonghua Display Materials Co. | Date: 2013-08-23

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.


Patent
Shijiazhuang Chengzhi Yonghua Display Materials Co. | Date: 2012-11-21

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 , 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.

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