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Liquid crystal composition containing 2-methyl-3,4,5-trifluorobenzene structure compound, and applications thereof

A technology of liquid crystal composition and compound, which is applied in the direction of liquid crystal materials, chemical instruments and methods, and can solve the problems of response time affecting high-performance displays and high viscosity

Inactive Publication Date: 2019-05-07
BEIJING BAYI SPACE LCD MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the constraints of the liquid crystal material itself (high viscosity), the response time becomes the main factor affecting high-performance displays

Method used

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  • Liquid crystal composition containing 2-methyl-3,4,5-trifluorobenzene structure compound, and applications thereof
  • Liquid crystal composition containing 2-methyl-3,4,5-trifluorobenzene structure compound, and applications thereof
  • Liquid crystal composition containing 2-methyl-3,4,5-trifluorobenzene structure compound, and applications thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0413] Table 2: Weight percent and performance parameters of each component in the liquid crystal composition

[0414]

[0415]

Embodiment 2

[0417] Table 3: Weight percent and performance parameters of each component in the liquid crystal composition

[0418]

Embodiment 3

[0420] Table 4: Weight percent and performance parameters of each component in the liquid crystal composition

[0421]

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PUM

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Abstract

The invention relates to a liquid crystal material and application fields thereof, particularly to a liquid crystal composition containing a fluoroterphenyl structure compound and a 2-methyl-3,4,5-trifluorobenzene structure compound, and applications thereof. According to the present invention, the liquid crystal composition comprises compounds represented by general formulas I, II and III, has characteristics of low rotational viscosity, high electrical resistivity, suitable optical anisotropy, good low-temperature mutual solubility, high elastic constant, excellent light stability and excellent thermal stability, and can reduce the response time of liquid crystal display devices so as to solve the problem of slow response of liquid crystal display devices, such that the liquid crystal composition is suitable for fast response TN, IPS and FFS type TFT liquid crystal display devices, particularly for IPS and FFS liquid crystal display devices. The general formulas I, II and III are defined in the specification.

Description

technical field [0001] The invention relates to the field of liquid crystal material and its application, in particular to a liquid crystal composition containing a fluorinated terphenyl compound and its application. Background technique [0002] At present, liquid crystals have been widely used in the field of information display, and at the same time, some progress has been made in the application in optical communication (S.T.Wu, D.K.Yang. Reflective Liquid Crystal Displays. Wiley, 2001). In recent years, the application fields of liquid crystal compounds have been significantly expanded to various display devices, electro-optic devices, electronic components, sensors, etc. Nematic liquid crystal compounds have been most widely used in flat panel displays, especially for TFT active matrix system. [0003] Liquid crystal display has experienced a long development path with the discovery of liquid crystal. In 1888, the Austrian botanist Friedrich Reinitzer discovered the ...

Claims

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Application Information

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IPC IPC(8): C09K19/44
Inventor 陈卯先陈海光姜天孟储士红王杰未欣王新颖田会强苏学辉
Owner BEIJING BAYI SPACE LCD MATERIALS TECH
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