考虑挠曲电极化,但不考虑界面上离子选择吸附产生的极化,文章详细讨论了表面极化Ps对平行向列液晶盒阈值电压和饱和电压的影响.文章由自由能的角度推导得到指向矢n倾角θ满足的微分方程和相应的边界条件;推导得到约化阈值电压uth和约化饱和电压usat的方程;讨论了约化表面极化强度P对约化阈值电压uth和约化饱和电压usat的影响,并绘图表示,数值计算表明,表面极化对向列液晶盒的影响主要表现在界面锚定.
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