Nanoimprint lithographically (NIL) prepared polymer film replicas of micrometer scale topographic master patterns are used as liquid crystal alignment surfaces. Depolarized transmission light microscopy study of nematic liquid crystal cells made using the replicas as one window shows that the NIL generated linear line patterns and two-dimensional square grid patterns align the liquid crystal in planar mono- and bistable states.
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Yi et al. (2007) studied this question.
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