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弱锚泊条件下超扭曲向列相液晶显示的光学阈值电压

THE OPTICAL THRESHOLD VOLTAGE IN SUPERTWISTED NEMATIC-LIQUID CRYSTAL DISPLAY WITH WEAK ANCHORING CONDITION

    摘要
  • 摘要: 在超扭曲向列相液晶显示(STN LCD)中,用倾角θ和扭曲角φ确定液晶指向矢。基于液晶连续体理论,得到θ、φ和电势U满足的常微分方程组及其边界条件。通过松弛方法解常微分方程组两点边值问题,计算了光学阈值电压对锚泊强度的依赖关系。

     

    Abstract: In the supertwisted nematic-liquid crystal display (STN-LCD), the director of liquid crystal is determined by the tilt angle θ and the twist angle φ. The ordinary differential equations and the boundary conditions satisfied by θ,φ and the electric potential U are obtained, based upon the continuum theory of liquid crystals. Solving two-point boundary problem of the ordinary differential equations by means of the relaxation method, dependence of the optical threshold voltage on the anchoring strength is calculated.

     

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