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Liquid crystal composition and display device

A technology for liquid crystal compositions and compounds, applied in the directions of liquid crystal materials, instruments, chemical instruments and methods, and can solve problems such as poor solubility and high viscosity

Active Publication Date: 2013-07-17
JIANGSU HECHENG DISPLAY TECHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its viscosity is high and its solubility is not good, so its application in mixed liquid crystals has certain limitations.

Method used

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  • Liquid crystal composition and display device
  • Liquid crystal composition and display device
  • Liquid crystal composition and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] The liquid crystal composition of Example 1 was formulated according to the compounds and weight percentages listed in Table 4, and it was filled between the two substrates of the liquid crystal display for performance testing. The test data are shown in the following table:

[0084] Table 4 Liquid crystal composition formula and its test performance

[0085]

Embodiment 2

[0087] The liquid crystal composition of Example 2 was prepared by each compound listed in Table 5 and the weight percentage, which was filled between the two substrates of the liquid crystal display for performance testing. The test data are shown in the following table:

[0088] Table 5 Liquid crystal composition formula and its test performance

[0089]

Embodiment 3

[0091] The liquid crystal composition of Example 3 was prepared by each compound listed in Table 6 and the weight percentage, which was filled between the two substrates of the liquid crystal display for performance testing. The test data are shown in the following table:

[0092] Table 6 Liquid crystal composition formula and its test performance

[0093]

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PUM

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Abstract

The invention provides a liquid crystal composition and a display device. The liquid crystal composition comprises at least one compound as shown in a general formula (I), at least one compound as shown in a general formula (II) and at least one compound as shown in a general formula (III). The liquid crystal composition has the advantages that the liquid crystal composition is low in viscosity, good in low-temperature stability and high in ultraviolet stability and heat stability, and is applicable to AM (active-matrix) elements, so that the AM elements are short in response time, high in contrast and long in service life, and the like. The invention further provides the active-matrix liquid crystal display device comprising the liquid crystal composition.

Description

technical field [0001] The invention relates to a liquid crystal composition, in particular to a liquid crystal composition with low viscosity, good low-temperature stability, high stability to ultraviolet rays and high stability to heat. Background technique [0002] With the continuous development of liquid crystal display technology, liquid crystal displays are more and more widely used in people's production and life. Due to the increasingly higher requirements for the quantity and quality of text and image display, people have higher and higher requirements for the physical properties of the liquid crystal display liquid (mixed liquid crystal) and the performance of optoelectronic technology. [0003] Liquid crystal compounds should meet the following requirements: photothermal and electrochemical stability, wide range of nematic phase, low viscosity, photoelectric response speed and low driving voltage. [0004] In U.S. Patents US4331552 and US6338146, a liquid crysta...

Claims

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Application Information

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IPC IPC(8): C09K19/44G02F1/13
Inventor 韩文明谭玉东黄伟房元飞胡娟
Owner JIANGSU HECHENG DISPLAY TECHCO