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Abstract
We focus on vertical alignment ferroelectric liquid crystal (FLC) cells fabricated without the rubbing technique to realize FLC displays having high contrast ratio. In this study, we research the conditions for the fabrication of uniformly vertical alignment FLC cells in terms of the tilt angle of FLC and the anchoring strength of alignment film materials.
As a result, the uniformly vertical alignment of FLC can be obtained in the case of the small tilt angle and the strong anchoring strength. Furthermore, we investigate the effect of the application of electric field on the vertical alignment.
Acknowledgments
The authors thank Dr. H. Takatsu, Dr. I. Nishiyama, and Dr. K. Maruyama of DIC for supplying FLC materials, and Dr. H. Ichinose of Merck for supplying nematic LC materials. We also thank Dr. H. Fukuro and Mr. H. Endoh of Nissan Chem. Ind. and Mr. N. Nishikawa of JSR Co. for supplying polyimide materials. This research was partially supported by the Shinsei Fundation.