LED light module assembly

Details LED light module assembly LED light module assembly

2007-10-23

2007-10-23

Cariaso, Alan (Department: 2885)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S373000, C362S800000, C257S712000

Reexamination Certificate

active

11354674

ABSTRACT:
An LED light module assembly for use with high power, high light output LED's includes a thin flexible circuit board with surface mounted LED's and other electronic components which is attached to a metal heat sink using a layer of a thermally conductive adhesive, such as a thermally conductive epoxy adhesive. A conduction path is provided from the LED carrier through the flexible circuit board by the incorporation of one or more thermally conductive vias in the region of the attachment pad used to bond the LED to the flexible circuit board. These vias provide a conduction path from the back side of the LED carrier through the circuit board to the thermally conductive adhesive and heat sink. The LED light module assembly has the capacity to dissipate between about 10-14 W of power without exceeding a maximum LED junction temperature of about 125° C.

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