Inverted LED structure with improved light extraction
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United States of America Patent
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Jun 22, 2010
Grant Date -
Mar 18, 2010
app pub date -
Sep 15, 2008
filing date -
Sep 15, 2008
priority date (Note) -
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Abstract
A light source and method for fabricating the same are disclosed. The light source includes a substrate and a light emitting structure. The substrate has a first surface and a second surface, the second surface including a curved, convex surface with respect to the first surface of the substrate. The light emitting structure includes a first layer of a material of a first conductivity type overlying the first surface, an active layer overlying the first layer, the active layer generating light when holes and electrons recombine therein, and a second layer includes a material of a second conductivity type overlying the active layer and a second surface opposite to the first surface. A mirror layer overlies the light emitting structure.
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