Light-diffusing sheet, optical element and image viewing display
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United States of America Patent
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Jul 17, 2007
Grant Date -
Jul 28, 2005
app pub date -
Mar 28, 2003
filing date -
Apr 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A light-diffusing sheet includes a transparent film and a light-diffusing layer formed on at least one side of the transparent film. The light-diffusing layer is composed of a resin coating layer having a rough surface. The transparent film contains a thermoplastic resin having a substituted and/or unsubstituted imide group at a side chain and a thermoplastic resin having a substituted and/or unsubstituted phenyl group and a nitrile group at a side chain.
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