Observations of a bistable twisted nematic liquid-crystal effect
- 1 September 1975
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices
- Vol. 22 (9) , 730-733
- https://doi.org/10.1109/T-ED.1975.18212
Abstract
In nematic liquid-crystal layers with a π/2 twist, reverse twist disclination lines occur which can be pinned by surface features and moved by electric fields. We consider these effects as the basis of a bistable matrix display. The optical transmission through twisted regions of opposite chirality is analyzed using a Poincaré sphere construction.Keywords
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