DSM型液晶表示素子における導電率異方性および誘電率異方性の効果
1978 年 47 巻 6 号 p. 554-556
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1978 年 47 巻 6 号 p. 554-556
The optimal conditions of the conductivity anisotropy ratio _??_ and the dielectric an-isotropyΔε were studied on DSM-type liquid crystal display devices. It was proved that when _??_ was mae as large as possible and Ac was between -0. 2 and -0.05 for parallel-aligned cell and about -0.2 for vertically-aligned cell, high contrast could be obtained at a low applied voltage. However, the do dependence of contrast in the vicinity of the optimal value of Δε became less significant with increasing _??_.
