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Effects of dielectric anisotropy on DSM-type display devices

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3 Author(s)
Ishii, Y. ; Tohoku University, Sendai, Japan ; Uchida, T. ; Wada, M.

The transmission of dynamic-scattering-mode (DSM) liquid-crystal cells was studied as a function of dielectric anisotropy and surface alignment. Dielectric anisotropy of about -0.2 was found to be optimum for the devices from the viewpoints of threshold voltage, contrast ratio, and recovery time. Vertical-aligned cells were found to have higher contrast ratios and longer recovery times than parallel-aligned cells.

Published in:

Electron Devices, IEEE Transactions on  (Volume:25 ,  Issue: 3 )