End-side heat extraction light emitting diode (LED) lamp
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United States of America Patent
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Nov 15, 2011
Grant Date -
Jan 28, 2010
app pub date -
Dec 31, 2008
filing date -
Jul 25, 2008
priority date (Note) -
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Abstract
The present invention provides an end-side heat extraction light emitting diode or LED lamp. The LED lamp includes a lamp housing, a cooling module, and an LED lighting set. The cooling module is configured inside the housing space of the lamp housing, having a cooling fan and a cooling base. The LED lighting set is configured on the LED joint surface of the cooling base. The end-side heat extraction LED lamp also includes a circular frame and an end-side heat extraction airflow guidance passage. The circular frame forms a space extending and expanding to the end side. The end-side heat extraction airflow guidance passage forms an airflow guidance space extending and expanding to the end side, forming a heat radiating path where the heat extraction airflow generated by the running cooling fan of the LED lamp can be exhausted from the light projection end of the lamp housing.
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