Optical semiconductor lighting apparatus
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United States of America Patent
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Dec 10, 2013
Grant Date -
Apr 11, 2013
app pub date -
Jul 20, 2012
filing date -
Oct 11, 2011
priority date (Note) -
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Abstract
An optical semiconductor lighting apparatus includes a heat sink including a heat dissipation base and a plurality of heat dissipation fins formed on a lower surface of the heat dissipation base; an optical semiconductor device placed on the heat dissipation base; and an optical cover coupled to an upper side of the heat sink to cover the optical semiconductor device. The heat dissipation base is formed with an air flow hole through which upper ends of the heat dissipation fins are exposed.
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