Bistable twisted-bend and twisted-nematic liquid crystal display

Li, Y. W.; Kwok, H. S.
November 2009
Applied Physics Letters;11/2/2009, Vol. 95 Issue 18, p181107
Academic Journal
Bistability of twisted-bend and twisted configuration is found. It is based on the elastic and topological inequivalency of director orientation. Multiple states of minimum local energy exist, with appropriate boundary conditions. The effects of elastic constants, d/P ratio and pretilt angle are also investigated. Fast electrical switching time <500 μs and high average contrast of 45:1 are obtained experimentally.


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