Polarization gratings in mesogenic films
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United States of America Patent
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Nov 22, 2011
Grant Date -
May 6, 2010
app pub date -
Jan 7, 2010
filing date -
Mar 1, 2005
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Abstract
A polarizer including a polarization grating comprising a polarization sensitive photo-alignment layer and a liquid crystal composition arranged on said photo-alignment layer. An alignment pattern, corresponding to the polarization pattern of a hologram, is recorded in the photo-alignment layer, and the liquid crystal composition is aligned on the photo-alignment layer.
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