Quick-response liquid crystal composition with negative dielectric anisotropy and application thereof
A liquid crystal composition, anisotropic technology, applied in the field of negative dielectric anisotropic liquid crystal composition, fast response negative dielectric anisotropic liquid crystal composition, VA type display, can solve the problem of speeding up the response speed and response of liquid crystal display. Slow speed and other problems, to achieve excellent low temperature mutual solubility, reduce thickness, and improve the effect of optical anisotropy
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[0073] The preparation of the liquid crystal composition in the embodiments of the present invention adopts the following method: the preparation of uniform liquid crystal adopts the thermal dissolution method commonly used in the industry. First, the liquid crystal compound is weighed by weight with a balance. There is no specific requirement for the order of weighing and adding. The liquid crystal compound is weighed and mixed in order of melting point from high to low, heated and stirred at 60-100° C. to make the components melt uniformly, filtered, revolved, and finally packaged to obtain the target sample.
[0074] Unless otherwise stated, percentages in the context are percentages by weight and all temperatures are given in degrees Celsius. Use the following abbreviations:
[0075] △n is optical anisotropy (20℃, 589nm); Δε is dielectric anisotropy (25℃, 1000Hz); V 10 Is the threshold voltage, which is the characteristic voltage (V, 25℃) when the relative transmittance changes...
Example Embodiment
[0087] Example 1
[0088] Take the following weight percentage of the liquid crystal compound and prepare the liquid crystal composition by the above preparation method. The specific ratio and the performance parameters of the obtained liquid crystal composition (not each component) are shown in Table 1.
[0089] Table 1: The weight percentage of each component in the liquid crystal composition of Example 1 and the performance parameters of the overall composition
[0090] Structural formula number of the component
Example Embodiment
[0091] Example 2
[0092] Take the following weight percentage of the liquid crystal compound and prepare the liquid crystal composition by the above preparation method. The specific ratio and the performance parameters of the obtained liquid crystal composition (not each component) are shown in Table 2.
[0093] Table 2: The weight percentage of each component in the liquid crystal composition of Example 2 and the performance parameters of the overall composition
[0094] Component
[0095] IVA-13
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