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efficacy barrier

Cree breaks 200 lumens per watt LED efficiency barrier

The 200 lumen per watt efficacy barrier has just been breached by a fresh round of testing on Cree’s latest generation LEDs. Seems like just this past summer we reported the new advancements of Cree’s XP-G LED reaching a record 132 lumens per watt at the nominal drive current of 350mA and that record was

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