The influences of surface polarization on NLC cells |
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Authors: | Liu Jinwei |
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Institution: |
a School of Sciences, Hebei University of Technology, Tianjin 300130, China
b School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China |
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Abstract: | The influence of the surface polarization, Ps , on a nematic liquid crystal (NLC) cell is investigated analytically. Flexoelectric polarization is considered, but selective ion absorption is ignored. The differential equations are derived for tilt angle, θ, of director n and the corresponding boundary conditions based on Gibbs free energy, and their solutions discussed. Equations for the reduced threshold voltage, uth , and the reduced saturation voltage, usat , are deduced and the relationships between uth , usat and reduced strength of surface polarization, p, derived. |
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Keywords: | |
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