Light emitting diode structure and manufacturing method thereof
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United States of America Patent
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Mar 31, 2009
Grant Date -
Aug 21, 2008
app pub date -
Apr 18, 2007
filing date -
Feb 16, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A light emitting diode structure has a silicon substrate, a conductive layer, and a light emitting diode. The top surface of the silicon substrate has a cup-structure like paraboloid, and the bottom of the cup-structure has a plurality of through-holes penetrating the silicon substrate. The conductive layer fills up the through-holes and protrudes out from the through-holes. The light emitting diode is disposed on the top of the conductive layer protruding out from the through-holes and is located at the focus of the cup-structure.
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