TRANSPARENT FILM HAVING MICRO-CONVEXOCONCAVE STRUCTURE ON SURFACE THEREOF, METHOD FOR PRODUCING THE SAME, AND BASE FILM USED IN PRODUCTION OF TRANSPARENT FILM
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United States of America Patent
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Issued Date -
Aug 7, 2014
app pub date -
Sep 7, 2012
filing date -
Sep 8, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a transparent film having a cured layer, wherein the cured layer having a micro-convexoconcave structure with the average period of a convex section or a concave section of 20 nm to 400 nm is formed on a rough surface of a base film obtained from an acrylic resin having a rough surface in which a maximum valley depth (Pv) is 0.1 to 3 μm and an average length (RSm) of a contour curve element is 10 μm or less; and the number of lattice in the cured layer adhered to the base film is 51 or more when a cross cut test is performed using 100 lattices at an interval of 2 mm.
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