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So what principle does this new tech work on?
As I understand existing tech, LEDs produce "white" light either by a combination of red, green, blue LEDs in either a single epoxy package, or by using a blue LED and a phosphorus coating that converts blue into white.
My understanding also was that RGB LEDs can be extremely efficient, like into the 90% range. It tends to be the higher power stuff that is inefficient since efficiency drops with heat.
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