Polarizing, photochromic devices and methods of making the same
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United States of America Patent
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Mar 17, 2009
Grant Date -
May 3, 2007
app pub date -
Oct 31, 2006
filing date -
Jul 1, 2003
priority date (Note) -
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Abstract
Provided is an optical element including: a substrate; and at least one at least partially aligned thermally reversible photochromic-dichroic compound connected to at least a portion of the substrate and having an average absorption ratio greater than 2.3 in an activated state.
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