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200 lumens per watt

Cree shatters LED theoretical maximum efficiency of 200 lumens per watt in the lab

Today Cree announced that they have trounced previous luminous efficiency records of Light Emitting Diodes with 231 lumens per watt being produced by a single-die component. The record-setting efficient LED has a color temperature of 4500K, the results were produced at room temperature and the LED was running at 350mA, or about one watt. Back

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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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