Wavelength conversion plate and light emitting device using the same
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United States of America Patent
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Aug 28, 2012
Grant Date -
Mar 4, 2010
app pub date -
Mar 3, 2009
filing date -
Sep 3, 2008
priority date (Note) -
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Abstract
Provided is a wavelength conversion plate having excellent luminous efficiency of a wavelength-converted light. The wavelength conversion plate includes a dielectric layer with nano pattern, a metal layer formed inside the nano pattern, and a wavelength conversion layer formed on the metal layer and having quantum dot or phosphor which wavelength-converts an excitation light to generate a wavelength-converted light.
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