LED-based lighting apparatus with heat pipe cooling structure
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United States of America Patent
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Aug 18, 2015
Grant Date -
Mar 28, 2013
app pub date -
May 24, 2012
filing date -
Sep 26, 2011
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Abstract
A lighting apparatus includes a housing, a light emitting module disposed on an open region at one side of the housing, and a heat sink unit placed within the housing to absorb and discharge heat from the light emitting module. The light emitting module includes a heat sink base on which a semiconductor optical device is mounted. The heat sink unit includes at least one main heat pipe having one side adjoining the heat sink base and a heat sink block adjoining the other side of the main heat pipe to cooperate with the main heat pipe.
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