LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME
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United States of America Patent
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Sep 22, 2016
app pub date -
Mar 18, 2016
filing date -
Mar 19, 2015
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Abstract
A light emitting device, includes: a substrate, including a top surface, a bottom surface, a first side surface connecting the top surface and the bottom surface, a first group of deteriorated region, and a second group of deteriorated region; and a semiconductor stack formed on the top surface of the substrate, wherein the first side surface includes a first group of convex region and a first group of concave region, wherein the first group of convex region includes the first group of deteriorated region, and the first group of concave region includes the second group of deteriorated region.
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