Abstract
The applied voltage dependence of VHR(voltage holding ratio) were measered for N-LC cells. Three types of polyimide were used as alignment material. The nematic mixtures ZLI-2293 and ZLI-4792 and a single compound 5CB were examined as LC material. The voltage dependence of VHR was affected by both LC material and alignment material. Some computer simulation were carried out in order to clarify the mechanism of such phenomenon.