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

A technology of liquid crystal composition and compound, which is applied in the direction of liquid crystal materials, instruments, chemical instruments and methods, etc., which can solve the problems of display afterimage display quality, etc., achieve high voltage retention rate and improve product quality

Inactive Publication Date: 2021-06-11
SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the PSA-VA display mode, it is very important that the liquid crystal composition still has a high VHR after being irradiated with ultraviolet light, otherwise it will cause display quality problems such as afterimages on the 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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preparation example Construction

[0096] As the preparation method of the liquid crystal display of the present invention, those skilled in the art can select an appropriate method for preparation according to common knowledge in the field. As an example of the preparation method of the liquid crystal display of the present invention, for example, the preparation method comprising the following steps:

[0097] Coating an alignment material evenly on the surface of the first substrate and the second substrate. The alignment material can be polyimide, and the evenly coated alignment material is heated and cured at a heating temperature of 210-250°C to form an alignment layer;

[0098] Scatter spacers on the surface of the second substrate, apply frame glue along the edge of the first substrate, and cure at 100°C to 150°C;

[0099] arranging the first substrate and the second substrate oppositely, and bonding them together to form a structure with a sandwich space;

[0100] The liquid crystal composition is inje...

Embodiment 1

[0133] The formula and corresponding properties of the liquid crystal composition are shown in Table 3 below.

[0134] Table 3 The formula and corresponding performance of the liquid crystal composition of embodiment 1

[0135]

[0136]

Embodiment 2

[0143] The formula and corresponding properties of the liquid crystal composition are shown in Table 5 below.

[0144] Formulation and corresponding performance of the liquid crystal composition of table 5 embodiment 2

[0145]

[0146]

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PUM

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Abstract

The invention relates to a liquid crystal composition, a liquid crystal display element containing the liquid crystal composition, and a liquid crystal display, and belongs to the field of liquid crystal display. The liquid crystal composition disclosed by the invention comprises compounds shown as a formula I, a formula II, a formula III, a formula IV, a formula V, a formula VI, a formula X and a formula VII, has proper dielectric anisotropy (delta epsilon), rotational viscosity and clearing point (Cp), and also has relatively high optical anisotropy (delta n) and high voltage holding ratio (VHR), so that the product quality is effectively improved; and the liquid crystal composition can be used for developing low-cell-thickness liquid crystal displays.

Description

technical field [0001] The present disclosure belongs to the field of liquid crystal display, and more specifically relates to a liquid crystal composition, a liquid crystal display element and a liquid crystal display containing the liquid crystal composition. Background technique [0002] With the development of display technology, liquid crystal display devices (Liquid Crystal Display, LCD) and other flat display devices are widely used in mobile phones, TVs, Various consumer electronic products such as personal digital assistants, digital cameras, notebook computers, and desktop computers have become the mainstream of display devices. [0003] As the technology of LCD products is updated faster and faster, the requirements for the response speed of LCD products are also getting higher and higher. Device manufacturers realize the improvement of the response speed by reducing the cell thickness d, which requires a larger refractive index Δn of the liquid crystal to match ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K19/46G02F1/1333
CPCC09K19/46G02F1/1333
Inventor 董艳丽温刚徐凯梁瑞祥孙轩非康素敏李洪峰
Owner SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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