Positive dielectric anisotropy liquid crystal combination with rapid response
A liquid crystal composition, anisotropic technology, applied in the directions of liquid crystal materials, nonlinear optics, optics, etc., can solve the problems of low charge retention, slow response speed of TFT-LCD, and high voltage, and achieve low viscosity, appropriate optical properties. The effect of anisotropic, fast response time
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[0030] Below in conjunction with embodiment the present invention is described in further detail:
[0031] 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:
[0032] c.p. indicates the clearing point of the liquid crystal (°C); S-N indicates the melting point (°C) from the crystalline state to the nematic phase of the liquid crystal; Δn indicates the optical anisotropy, n o is the refractive index of ordinary light, n e is the refractive index of extraordinary light, test conditions: 589nm, 25°C; △ε means dielectric constant anisotropy, △ε=ε ∥ -ε ⊥ , where ε ∥ is the dielectric constant parallel to the molecular axis, ε ⊥ is the dielectric constant perpendicular to the molecular axis, test conditions: 25°C, 1KHz, HP4284A, 5.2 micron TN left-handed cell; τ represents the response time (ms), test instrument: DMS-501, test conditions: 25±0.5...
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