Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.

Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.

Shijiahuang Chengzhi Yonghua Display Material Co., Ltd.

Xing Zhang

Guoliang Yun

Ming Li

Lei Zhao

Gang Wen

Jinsong Meng

Zhian Liang

Kui Wang

Ruixiang Liang

Ruimao Hua

Hongru Gao

Ke-Lun Shu

Zhe Shao

Limei Zhang

Wen Hai Lu

Guo Liang Yun

Jin Wang

Ze Feng Hou

Rui Mao Hua

Jianming Cheng

Jingsong Meng

Wei Zhang

Mingxia Wang

Wenxiao Xing

Yunxia Qiao

Li Zhang

Yongfeng Bao

Yaohua Han

Yanli Dong

Yiping Wang

Jia Deng

Zhiguo Xia

Guofang Wang

Jingyi Feng

Huifang Wang

YanLi Dong

Hongmei Cui

Yajie Duan

Yamin Li

Ya Jie Duan

Hongyong Shang

Zhiliang Shi

Yuanyuan Zhai

Fangmiao Zhang

The present invention discloses a compound of which a structural formula thereof is represented as the following formula: The compound disclosed by the present invention can be used as a liquid crystal compound and overcomes the problem that solubility of the traditional dibenzothiophene-class liquid crystals is poor, and thus can be better applied to the liquid crystal material field. The present invention further discloses a liquid crystal medium containing the compound and an application thereof.

Compound, liquid crystal medium containing the compound and application thereof

Provided are a polymerizable compound represented by formula I and a liquid crystal composition formed by combining such a polymerizable compound with a specific liquid crystal component, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable compound has a faster polymerization rate, and a 'material system' formed from the selected polymerizable component and liquid crystal component has a low rotary viscosity and good photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays. 

Liquid crystal composition and liquid crystal display element

Provided are a polymerizable compound represented by formula I and a liquid crystal composition comprising the polymerizable compound, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable compound has a faster polymerization rate, and a 'material system' formed from the selected polymerizable component and liquid crystal component has a lower rotary viscosity and better photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays. 

The present invention discloses a negative dielectric anisotropic liquid crystal composition, characterized in that the liquid crystal composition comprises one or more compounds represented by formula I, one or more compounds represented by formula II, one or more compounds represented by formula III and one or more compounds represented by formula IV, In the liquid crystal molecules of the composition, the van der Waals force therebetween is used as a motive force, such that the liquid crystal molecules generate an attractive force at an appropriate distance and positional relationships, thereby enabling the liquid crystal molecules to have excellent regular alignment characteristics, which is favorable for the liquid crystal molecules to modulate the transmission and blocking of light in the liquid crystal display device.

Liquid crystal composition and liquid crystal display element or display thereof

A stabilizer represented by formula I, wherein M represents cyclopentyl, cyclobutyl or cyclopropyl; Zand Zeach independently represent a single bond, &#x2014;CH&#x2014;, &#x2014;CHCH&#x2014;, &#x2014;O&#x2014;, &#x2014;CHO&#x2014;, &#x2014;OCH&#x2014; or &#x2014;COO&#x2014;;  represents one or two of  and n represents 0, 1 or 2. 

Stabilizer and liquid crystal composition comprising same

Disclosed is a polymerizable compound having a structural formula as represented by the following formula I: The polymerizable compound disclosed in the present invention has a plurality of ring systems, and the entire molecular structure thereof is curved and twisted. The present invention further discloses a liquid crystal medium comprising the polymerizable compound, the polymerizable compound provided by the present invention has an appropriate polymerization rate in the liquid crystal medium, and the liquid crystal medium can be well applied to a PS-(polymer stabilized)- or PSA-(polymer stabilized alignment)-type liquid crystal display device. Further disclosed is a liquid crystal display device prepared from the liquid crystal medium.

Polymerizable compound, liquid crystal medium containing same and liquid crystal display device

Provided is a liquid crystal compound represented by formula I, the compound having a positive dielectric anisotropy, a great elastic constant and a good solubility. Further provided is a liquid crystal composition comprising the liquid crystal compound represented by formula I, the liquid crystal composition having a good stability against light and heat, a lower viscosity, a wider refractive index that may be achieved by the adjustment of the monomer ratio, and a higher clearing point (a very wide service temperature range), and in particular, the liquid crystal composition has a higher light transmittance, thus allowing a display device to have a higher brightness or an energy saving effect.

Liquid crystal compound and liquid crystal composition

Disclosed are a liquid crystal composition and a display element or display using the liquid crystal composition, wherein the liquid crystal composition contains one or more compounds of general formulas I, II and III, The liquid crystal composition disclosed in the present invention has an excellent performance, an optical anisotropy in the range of 0.080 to 0.150, a low rotary viscosity, a fast response time, and good chemical, optical and thermal stabilities, and is very suitable for manufacturing liquid crystal display elements, particularly suitable for active matrix display elements, such as active matrix displays using a VA, FFS or IPS mode.

Liquid crystal composition of negative monomer containing cyclopentyl cyclohexenyl and liquid crystal display element or liquid crystal display thereof

Disclosed are liquid crystal compounds of cycloalkyl-containing dibenzofuran derivatives, a preparation method therefor and use thereof. The compounds are as represented by formula I. In the molecular structures of the compounds of formula I provided by the present invention, liquid crystal compounds of cycloalkyl terminal group-containing dibenzofuran derivatives, compared with those having flexible alkyl chains as terminal groups, exhibit better intersolubility, and thus the use of a compound as represented by formula I provided by the present invention can improve the intersolubility of a liquid crystal compound and extend the application range of a liquid crystal mixture, producing an important application value. 

Liquid crystal compounds of cycloalkyl-containing dibenzofuran derivatives, preparation method therefor and use thereof

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

This invention relates to liquid crystal compound of formula I containing benzene derivatives group that hydrogen substituted by deuterium. Liquid crystal compounds of formula I have not only large positive dielectric anisotropy, but also moderate optical anisotropy and driving voltage, thereby having great significance to formulate a liquid crystal mixture. A liquid crystal mixture containing such type of liquid crystal compounds can be applied in various display devices, which is particularly suitable for TN and STN display devices, and can also be used in IPS and VA display devices. 

Liquid crystal compounds containing deuterium

This invention relates to liquid crystal compound of formula I containing a difluoromethyleneoxy linking group that hydrogen substituted by deuterium and therefore being very suitable for formulating a liquid crystal mixture. A liquid crystal mixture containing such type of liquid crystal compounds can be applied in various display devices. 

Liquid crystal compounds containing a difluoromethyleneoxy linking group that hydrogen substituted by deuterium, their preparation and application

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

Xing Zhang