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, etc., can solve the problems affecting the display effect of liquid crystal displays, the effects of liquid crystal molecules, and the changes affecting the anchoring ability of liquid crystal molecules, etc. Improve the effect of afterimage defects, high-definition bright spots, and high voltage retention
Pending Publication Date: 2020-07-28
SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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- Abstract
- Description
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- Application Information
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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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Embodiment 1
[0140] The formula and corresponding properties of the liquid crystal composition are shown in Table 3 below.
[0141] Table 3: Formula and corresponding performance of the liquid crystal composition of embodiment 1
[0142]
[0143]
Embodiment 2
[0145] The formula and corresponding properties of the liquid crystal composition are shown in Table 4 below.
[0146] Table 4: Formula and corresponding performance of the liquid crystal composition of embodiment 2
[0147]
[0148]
Embodiment 3
[0150] The formula and corresponding properties of the liquid crystal composition are shown in Table 5 below.
[0151] Table 5: Formula and corresponding performance of the liquid crystal composition of embodiment 3
[0152]
[0153]
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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 invention discloses a liquid crystal composition. The composition comprises one or more compounds as shown in a formula I which is described in the specification, one or more compoundsshown in the formula II and one or more compounds shown in the formula III. The liquid crystal composition has good ultraviolet resistance, high-temperature resistance, a high clearing point and a low ratio of rotational viscosity to an expansion elastic constant, a liquid crystal panel shows a high response speed, and the residual image defect can be improved.
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. [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 liquid crystal molecules to be negatively affected in terms of impurities, thereby af...
Claims
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IPC IPC(8): C09K19/46G02F1/1337
CPCC09K19/46G02F1/133723
Inventor 张伟乔云霞李佳明崔青温刚
Owner SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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