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Liquid crystal compound, liquid crystal display element and liquid crystal display

A liquid crystal composition and liquid crystal display technology, which are applied in the directions of liquid crystal materials, instruments, chemical instruments and methods, etc., can solve the problems affecting the display effect of liquid crystal displays, the influence of liquid crystal molecules, and the changes affecting the anchoring ability of liquid crystal molecules, etc. Low temperature solubility, low viscosity, effect of improving afterimage defects

Active Publication Date: 2019-06-14
SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] During the use of the liquid crystal display, the liquid crystal composition will be continuously affected by light radiation and thermal radiation. Contact with heat, especially light in the ultraviolet band and high temperature, will cause the liquid crystal molecules to be negatively affected in terms of impurities, which will affect the change of the anchoring ability of the liquid crystal molecules, and then affect the display effect of the liquid crystal display

Method used

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  • Liquid crystal compound, liquid crystal display element and liquid crystal display
  • Liquid crystal compound, liquid crystal display element and liquid crystal display
  • Liquid crystal compound, liquid crystal display element and liquid crystal display

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0150] The formula and corresponding properties of the liquid crystal composition are shown in Table 4 below.

[0151] Table 4: The formula and corresponding properties of the liquid crystal composition of Example 1

[0152]

[0153]

Embodiment 2

[0155] The formula and corresponding properties of the liquid crystal composition are shown in Table 5 below.

[0156] Table 5: The formula and corresponding properties of the liquid crystal composition of Example 2

[0157]

Embodiment 3

[0159] The formula and corresponding properties of the liquid crystal composition are shown in Table 6 below.

[0160] Table 6: Formula and corresponding properties of the liquid crystal composition of Example 3

[0161]

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PUM

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Abstract

The invention relates to a liquid crystal compound, a liquid crystal display element including the liquid crystal compound and a liquid crystal display and belongs to the field of liquid crystal display. The liquid crystal compound provided by the invention comprises one or more compound shown as formula I and one or more compound selected from a group composed of compounds shown as formula II A,formula II B and formula II C. The liquid crystal compound is capable of improving incidental image defect and has excellent ultraviolet resistance, high temperature resistance, lower threshold voltage, moderate optical anisotropism, lower rotary viscosity and excellent low-temperature solubility.

Description

Technical field [0001] The present invention belongs to the field of liquid crystal display technology, and more specifically, relates to a liquid crystal composition, and a liquid crystal display element or a liquid crystal display containing the liquid crystal composition. Background technique [0002] With the development of display technology, flat display devices such as Liquid Crystal Display (LCD) have been widely used in mobile phones, TVs, and individuals due to their advantages of high image quality, power saving, thin body and wide application range. Various consumer electronic products, such as digital assistants, digital cameras, notebook computers, and desktop computers, have become the mainstream of display devices. People's requirements for LCD flat panel displays are getting higher and higher. Therefore, higher requirements are put forward on the quality characteristics of liquid crystal materials used in liquid crystal flat panel displays. [0003] During the us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K19/54C09K19/30C09K19/44C09K19/12G02F1/137
Inventor 李佳明梁志安员国良康素敏张璇赵文停崔青乔云霞
Owner SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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