Coolant for Luxeons

hotfoot

Flashlight Enthusiast
Joined
Feb 2, 2002
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Can you say, \"Durian\"?
hi all,

I've read somewhere that some largish multi-LED arrays 'encase' their LEDs in some kind of silicone or epoxy compound for 2 reasons: to keep them in place, and to help remove heat. Is this true? If that's the case, has anyone heard of or tried designing a mini 'bolt-on radiator' for the Luxeon. It could be a machined aluminium part filled with a conductive gel. If those 5W Luxeons come into real world use, that heat dissipation issue would be the next biggest topic besides regulation. Any comments?
 
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