Abstract
Polystyrene is well known to align liquid crystal (LC) perpendicular to the rubbing direction. Based on this unique feature, we prepared two cells with special LC alignments using circular-buffed polystyrene as the alignment layer. For the cell with hybrid-radial LC alignment, it can convert a linear polarization light to axial polarization light; for the cell with twisted-radial LC alignment, it can change a linear polarization light into radial polarization light. The two LC polarization cell converters with polystyrene as their alignment layer have the advantages of easy fabrication, simple processing, and scalable size.
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