FUNCTIONAL SHEET AND LENS USING SAME
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United States of America Patent
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Issued Date -
Aug 16, 2012
app pub date -
Oct 20, 2010
filing date -
Oct 21, 2009
priority date (Note) -
Abandoned
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Abstract
According to the present invention, a functional sheet, comprising a polarizing or photochromic functional layer and protective layers provided on both surfaces of the functional layer can be provided. The protective layers include an aromatic polycarbonate resin sheet or film. At least one of the protective layers is a co-extruded sheet or film including an aromatic polycarbonate resin layer and an acrylic-based resin layer provided on one surface or both surfaces of the aromatic polycarbonate resin layer. At least one surface of the functional sheet is of the acrylic-based resin layer. Also according to the present invention, a lens using such a functional sheet can be provided.
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