LED lighting system and high-power LED lamp
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United States of America Patent
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Jun 30, 2015
Grant Date -
Dec 13, 2012
app pub date -
Jun 8, 2012
filing date -
Jun 9, 2011
priority date (Note) -
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Abstract
The present invention relates to a high-power LED lamp. The lamp includes an LED module, an inner heat sink disposing air passages along an axial direction thereof, a heat pipe assembly including multiple U-shaped heat pipes, and an outer heat sink. Middle sections of the heat pipes form a smooth surface on which the LED module is attached. Straight sections of the heat pipes are coiled around the inner heat sink. The smooth surface is located at an end of the inner heat sink not to block the air passages of the inner heat sink. An annular vapor chamber is packaged a grid-shaped configuration of the heat pipes and attached to each heat pipe. The invention achieves fast heat conduction and dissipates the heat via the inner and outer heat sinks.
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