L+B: Cree tight-lipped about 300 lm/W record

We would like a photo please :-)Cree is claiming another LED milestone with the demonstration of 303 lm/W from a white high power LED.

“Efficacy was measured at a correlated color temperature of 5,150K and 350mA,” said the firm. “Standard room temperature was used to achieve the results.”

No other details are available, nor are photo – which is a similar situation to the near silence when Cree announced a 200 lm/W luminaire earlier this year.

Cree is linking the announcement to the Light+Building show next week in Frankfurt, but probably don’t hold your breath if you are expecting to get a look at the record-breaker.

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