Fast bistable nematic display using monostable surface switching

We present a novel surface-controlled bistable nematic liquid crystal display. This black and white device uses simple monostable planar anchorings and a dielectrically positive nematic. The two bistable textures are, respectively, quasiuniform U and almost half-turn twisted T. Short electric pulses...

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Bibliographic Details
Published in:Applied physics letters 1997-03, Vol.70 (9), p.1179-1181
Main Authors: Dozov, I., Nobili, M., Durand, G.
Format: Article
Language:English
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Summary:We present a novel surface-controlled bistable nematic liquid crystal display. This black and white device uses simple monostable planar anchorings and a dielectrically positive nematic. The two bistable textures are, respectively, quasiuniform U and almost half-turn twisted T. Short electric pulses break the surface anchorings. Hydrodynamically coupled breaking of both anchorings creates T. U is obtained by breaking only one anchoring. Write and erase times for high resolution video are achieved at voltages compatible with the usual drivers.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.118479