LED lamp
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United States of America Patent
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Apr 28, 2015
Grant Date -
Jun 5, 2014
app pub date -
Feb 26, 2013
filing date -
Dec 4, 2012
priority date (Note) -
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Abstract
A LED lamp includes a lamp base unit including an insulative base, a mating connection device configured like the base of a conventional incandescent bulb and located at the bottom side of the insulative base, an insulative hollow column located at the top side of the insulative, a heat sink including a plurality of radiation fins radially arranged around the insulative hollow column, a light-emitting module including a heat transfer plate fastened to the heat sink at the top, a circuit board supported on the heat transfer plate and light-emitting devices installed in the circuit board, and a light transmissive lampshade fastened to the heat sink and covered over the light-emitting module.
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