HIGH POWERED LIGHT EMITTING DIODE LIGHTING UNIT
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United States of America Patent
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app pub date -
Dec 30, 2010
filing date -
Dec 30, 2009
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Abstract
A lighting unit including a thermally conductive array housing for a light emitting diode array mounted on a first surface of a printed circuit board, a heat transfer element located on a second surface of the printed circuit board and forming a thermally conducting path between the array of light emitting diodes and a rear side of the array housing, and a power supply housing spaced apart from the read side of the array housing and including a power supply. Heat dissipating elements on the rear side of the array housing form convective circulation air passages and thermal isolation gaps between the heat dissipation elements and the power supply housing.
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