Positive and negative mixed liquid crystal combination and application thereof
A liquid crystal composition and a technology for mixing liquid crystals, which are applied in the field of liquid crystal compositions and positive and negative mixed liquid crystal compositions, and can solve the problems of reducing the life of the backlight and increasing the energy consumption of the backlight.
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[0273] The preparation of the liquid crystal composition in the examples of the present invention adopts the following method: the preparation of the uniform liquid crystal adopts the thermal dissolution method commonly used in the industry, and first weighs the liquid crystal compound by weight percentage with a balance, wherein there is no specific requirement for the order of weighing and adding, usually Liquid crystal compounds are weighed and mixed in order of melting point from high to low, heated and stirred at 60-100°C to make each component melt evenly, then filtered, rotary evaporated, and finally packaged to obtain the target sample.
[0274] Unless otherwise stated, percentages in this context are by weight and all temperatures are given in degrees Celsius. Use the following abbreviations:
[0275] Δn is optical anisotropy (25°C), Δε is dielectric anisotropy (25°C, 1000Hz), ε ⊥ is the vertical dielectric (25°C, 1000Hz), Cp is the clearing point of the liquid cryst...
Embodiment 1
[0286] Take the liquid crystal compound in the following weight percentages and prepare the liquid crystal composition by the method described in the present invention. The specific proportion and the performance parameters of the obtained liquid crystal composition are shown in Table 1:
[0287] The weight percent and performance parameter of each component in the liquid crystal composition of table 1 embodiment 1
[0288] category
Embodiment 2
[0290] Take the liquid crystal compound in the following weight percentages and prepare the liquid crystal composition by the method described in the present invention. The specific proportion and the performance parameters of the obtained liquid crystal composition are shown in Table 2:
[0291] The weight percent and performance parameter of each component in the liquid crystal composition of table 2 embodiment 2
[0292] category
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Abstract
Description
Claims
Application Information
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