Ultra‐fast‐switching flexoelectric liquid‐crystal display with high contrast |
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| Authors: | Flynn Castles Stephen M Morris Damian J Gardiner Qasim M Malik Harry J Coles |
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| Affiliation: | Centre of Molecular Materials for Photonics and Electronics, Electrical Engineering Division, Department of Engineering, University of Cambridge, 9 JJ Thomson Ave., Cambridge CB3 0FA, U.K. |
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| Abstract: | Abstract— The flexoelectro‐optic effect provides a fast‐switching mechanism (0.01–0.1 msec), suitable for use in field‐sequential‐color full‐motion‐video displays. An in‐plane electric field is applied to a short‐pitch chiral nematic liquid crystal aligned in the uniform standing helix (or Grandjean) texture. The switching mechanism is experimentally demonstrated in a single‐pixel test cell, and the display performance is investigated as a function of device parameters. A contrast ratio of 2000:1 is predicted. |
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| Keywords: | Liquid‐crystal display flexoelectric fast switching high contrast ratio |
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