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Liquid crystal composition and liquid crystal display element or liquid crystal display containing liquid crystal composition

A technology of liquid crystal display element and liquid crystal composition, which is applied in the direction of liquid crystal materials, instruments, chemical instruments and methods, etc. It can solve the problems that affect the display effect and cannot disappear immediately, and achieve small viscoelastic ratio, high VHR, and fast response speed effect

Inactive Publication Date: 2016-03-30
SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For liquid crystal display devices, when changing the display screen after a long period of fixed screen display, the previous screen cannot disappear immediately, and the so-called afterimage phenomenon will seriously affect the display effect.

Method used

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  • Liquid crystal composition and liquid crystal display element or liquid crystal display containing liquid crystal composition
  • Liquid crystal composition and liquid crystal display element or liquid crystal display containing liquid crystal composition
  • Liquid crystal composition and liquid crystal display element or liquid crystal display containing liquid crystal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] The following liquid crystal compositions were prepared in proportion and their properties were measured. The composition ratio and performance parameters of the liquid crystal composition are shown in Table 1.

[0083] Table 1 The component distribution ratio and performance parameters of the liquid crystal composition of Example 1

[0084]

Embodiment 2

[0086] The following liquid crystal compositions were prepared in proportion and their properties were measured. The composition ratio and performance parameters of the liquid crystal composition are shown in Table 2.

[0087] Table 2 The component distribution ratio and performance parameters of the liquid crystal composition of Example 2

[0088]

[0089]

Embodiment 3

[0091] The following liquid crystal compositions were prepared in proportion and their properties were measured. The composition ratio and performance parameters of the liquid crystal composition are shown in Table 3.

[0092] Table 3 Components and proportioning data table of the liquid crystal composition of Example 3

[0093]

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PUM

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Abstract

The invention discloses a liquid crystal composition and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The liquid crystal composition is prepared from a compound with the structural formula I (please see the formula in the specification), a compound with the structural formula II (please see the formula in the specification) and a compound with the structural formula III (please see the formula in the specification). The liquid crystal composition is prepared by mixing a series of liquid crystal materials of various structures, and therefore the liquid crystal composition has low viscosity and can achieve rapid responses; meanwhile, large dielectric anisotropy delta sigma and large optical anisotropy delta n are achieved; the small box thickness design can be achieved, rapid responses are achieved, a small viscosity-elasticity ratio is achieved, high optical and thermal stability is achieved, and the liquid crystal display element or liquid crystal display containing the liquid crystal composition has a wide nematic phase temperature range.

Description

technical field [0001] The invention relates to a liquid crystal composition and a liquid crystal display element or a liquid crystal display comprising the liquid crystal composition. Background technique [0002] Currently in the liquid crystal display market, competitive display modes mainly include in-plane switching (IPS), fringe-field switching (FFS), and vertical alignment (VA). Among these display modes, in-plane switching (IPS) and fringe field switching (FFS) are characterized by wide viewing angles. [0003] When the positive liquid crystal is used in IPS / FFS display mode, it can obtain fast response and good reliability; while the negative liquid crystal can obtain higher transmittance when it is used in IPS / FFS display mode, but due to the negative liquid crystal Higher viscosity, so slower response time. Therefore, it is necessary to study better liquid crystal materials, which not only have the advantages of fast response of positive liquid crystals, but als...

Claims

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Application Information

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IPC IPC(8): C09K19/44G02F1/1333
Inventor 贵丽红张冠超宰亚孟李佳明熊晓明
Owner SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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