Polarizing, photochromic devices and methods of making the same
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United States of America Patent
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Mar 25, 2008
Grant Date -
Mar 1, 2007
app pub date -
Oct 31, 2006
filing date -
Jul 1, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a composite optical element including: a substrate; an at least partially ordered polymeric sheet connected to at least a portion of the substrate; and at least one thermally reversible photochromic-dichroic compound that is at least partially aligned with at least a portion of the at least partially ordered polymeric sheet and has an average absorption ratio greater than 2.3 in the activated state.
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