Light emitting device having a layer of photonic crystals and a region of diffusing material and method for fabricating the device
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United States of America Patent
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Apr 15, 2008
Grant Date -
Nov 30, 2006
app pub date -
May 27, 2005
filing date -
May 27, 2005
priority date (Note) -
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Abstract
A light emitting device and method for fabricating the device utilizes a layer of photonic crystals and a region of diffusing material to enhance the light output of the device. The layer of photonic crystals is positioned over a light source, such as a light emitting diode die, and the region of diffusing material is positioned over the layer of photonic layer.
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