LEDs Will Get Even More Efficient: Cree Passes 300 Lumens Per Watt | Cree LED Lighting | Scoop.it
ED maker Cree announced this week that it had achieved a new record in terms of lighting efficiency, harvesting 303 lumens per watt from a white high power LED at room temperature.  This represents a 10% increase over last year’s record of 276 lumens per watt, also held by Cree.

Via ecoInsight