SUBSTRATE HAVING CONCAVE-CONVEX PATTERN, LIGHT-EMITTING DIODE INCLUDING THE SUBSTRATE, AND METHOD FOR FABRICATING THE DIODE
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United States of America Patent
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app pub date -
Sep 28, 2012
filing date -
Sep 30, 2011
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Abandoned
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Abstract
Provided are a substrate having concave-convex patterns, a light-emitting diode (LED) including the substrate, and a method of fabricating the LED. The LED includes a substrate, and concave-convex patterns disposed in an upper surface of the substrate and having convexes and concaves defined by the convexes. Unit light-emitting device having a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer disposed on the substrate in sequence is present.
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