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Liquid crystal composition, liquid crystal display element and liquid crystal display

A technology for liquid crystal display elements and liquid crystal compositions, applied in the directions of liquid crystal materials, instruments, chemical instruments and methods, can solve the problems of the influence of liquid crystal molecules, the changes affecting the anchoring ability of liquid crystal molecules, and the display effect of liquid crystal displays, etc. High elastic constant, improved afterimage defect, high optical anisotropy effect

Pending Publication Date: 2020-07-03
SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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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 composition, liquid crystal display element and liquid crystal display
  • Liquid crystal composition, liquid crystal display element and liquid crystal display
  • Liquid crystal composition, liquid crystal display element and liquid crystal display

Examples

Experimental program
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Effect test

Embodiment 1

[0143] The formula and corresponding properties of the liquid crystal composition are shown in Table 3 below.

[0144] Table 3: Formula and corresponding performance of the liquid crystal composition of embodiment 1

[0145]

[0146]

Embodiment 2

[0148] The formula and corresponding properties of the liquid crystal composition are shown in Table 4 below.

[0149] Table 4: Formula and corresponding performance of the liquid crystal composition of embodiment 2

[0150]

[0151]

Embodiment 3

[0153] The formula and corresponding properties of the liquid crystal composition are shown in Table 5 below.

[0154] Table 5: Formula and corresponding performance of the liquid crystal composition of embodiment 3

[0155]

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Abstract

The invention relates to a liquid crystal composition, and a liquid crystal display element and a liquid crystal display both containing the liquid crystal composition, belonging to the field of liquid crystal display. The liquid crystal composition comprises one or more compounds as shown in a formula I, one or more compounds as shown in a formula II and one or more compounds as shown in a formula III, has the characteristics of good ultraviolet resistance and high temperature resistance, shows relatively high optical anisotropy, and can improve residual image defects.

Description

technical field [0001] The invention belongs to the technical field of liquid crystal display, 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, liquid crystal displays (Liquid Crystal Display, LCD) and other flat display devices are widely used in mobile phones, televisions, personal Various consumer electronic products such as digital assistants, digital cameras, notebook computers, and desktop computers have become the mainstream of display devices. People have higher and higher requirements for liquid crystal flat panel displays. Therefore, higher requirements are placed on the quality characteristics of liquid crystal materials used in liquid crystal flat panel displays. [0003] During the use of the liquid crystal display, the liquid crystal composition will be continuously ...

Claims

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Application Information

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IPC IPC(8): C09K19/46G02F1/13G02F1/1337
CPCC09K19/46G02F1/13G02F1/1337
Inventor 李佳明张璇康素敏李洪峰员国良梁志安
Owner SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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