Liquid crystal medium and application
A liquid crystal medium and dielectric technology, applied in liquid crystal materials, optics, instruments, etc., can solve the problems of narrow viewing angle, small wavelength dependence of birefringence liquid crystal layer, low contrast, etc., to increase mutual solubility, large dielectric Effects of electrical anisotropy, HD highlights
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[0083] Below in conjunction with embodiment the present invention is described in further detail:
[0084] The parts involved in the following examples are all percentages by weight, and the unit of temperature is ° C. The specific meanings and test conditions of other symbols are as follows:
[0085] S-N represents the melting point (°C) from the crystalline state of the liquid crystal to the nematic phase;
[0086] c.p. indicates the clearing point of the liquid crystal (°C), the test instrument: Mettler-Toledo-FP System Microthermal Analyzer;
[0087] γ1 is the rotational viscosity (mPa·s), and the test conditions are: 25°C, INSTEC: ALCT-IR1, 18 micron vertical box;
[0088] K 11 is the torsional elastic constant, K 33 is the stretch elastic constant, and the test conditions are: 25°C, INSTEC: ALCT-IR1, 18 micron vertical box;
[0089] △ε means dielectric anisotropy, △ε=ε ∥- ε ⊥ , where ε ∥ is the dielectric constant parallel to the molecular axis, ε ⊥ is the dielec...
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