LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE HAVING THE SAME
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 10, 2014
filing date -
Dec 19, 2013
priority date (Note) -
Abandoned
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Abstract
Disclosed is a light emitting device. The light emitting device includes a light emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer and a light extraction structure formed on the first conductivity-type semiconductor layer, and the light extraction structure includes a plurality of cylinders and a void is formed in each cylinder.
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