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Thermal trim for a luminaire

United States Patent

February 19, 2013
View the Complete Patent at the US Patent & Trademark Office
A luminaire with a thermal pathway to reduce the junction temperature of the luminaire's light source, and methods for so doing, are disclosed. The luminaire includes a can, a light engine, and a trim, that define a substantially continuous thermal pathway from the light engine to a surrounding environment. The can defines a can cavity and includes a can end region. The light engine is within the can cavity and includes a light source and a heat sink, including a heat sink end region, coupled thereto. The trim is at least partially disposed within the can cavity and includes a first trim end region coupled to the heat sink end region and a second trim end region coupled to the can end region. Thermal interface material may be located between: the heat sink and the trim, the trim and the can, and/or the heat sink and the light source.
Bazydola; Sarah (Belmont, MA), Ghiu; Camil-Daniel (Danvers, MA), Harrison; Robert (North Andover, MA), Jeswani; Anil (Beverly, MA)
Osram Sylvania Inc. (Danvers, MA)
12/ 770,884
April 30, 2010
GOVERNMENT RIGHTS This invention was made with U.S. Government support under DOE Cooperative Agreement No. DE-FC26-08NT01582, awarded by the U.S. Department of Energy. The U.S. Government may have certain rights in this invention.