Light-emitting diode lamps with thermally conductive lenses

A light-emitting diode (LED) lamp is provided that includes: an LED source coupled to a housing; and a lens over the source and coupled to the housing. The lens, or a portion of the lens, includes a plurality of glass beads, each having a metal-containing coating (e.g., a coating comprising at least...

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Hauptverfasser: Dellock Paul Kenneth, Karmo Talat, Salter Stuart C, Musleh Michael
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creator Dellock Paul Kenneth
Karmo Talat
Salter Stuart C
Musleh Michael
description A light-emitting diode (LED) lamp is provided that includes: an LED source coupled to a housing; and a lens over the source and coupled to the housing. The lens, or a portion of the lens, includes a plurality of glass beads, each having a metal-containing coating (e.g., a coating comprising at least one of Ni, Al, Cu, In and brass) and dispersed in a polymeric matrix (e.g., an acrylic or a polycarbonate). Further, the lens has a thermal conductivity of at least about 2 W/m*K and an optical transmissivity of at least 80%.
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subjects BLASTING
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-PORTABLE LIGHTING DEVICES
SYSTEMS THEREOF
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
title Light-emitting diode lamps with thermally conductive lenses
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