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LED reaches 80 lumens per watt
LED Lighting Fixtures, Inc. Sets World Record at 80 Lumens per Watt for Warm White FixtureTuesday May 30, 8:00 am ET PRNewswire/ -- LED Lighting Fixtures Inc. (LLF) today announced another record in solid state fixture performance at 80 lumens per watt...providing 600 lumens of warm white light at a color temperature of 3100 Kelvin...from a residential voltage AC power source was 7.5 watts. The company used LEDs supplied by Cree, Inc. (Nasdaq: CREE - News [discosure - my family owns a few thousand shares]). These results reflect a ten percent increase in efficiency from the company's previous record of 73 lumens per watt announced on April 24, 2006. context: incandescent bulbs are about 10-20 lumens per watt and last 500-2500 hours; fluorescent bulbs about 50-80 lumens per watt and last 10,000 to 20,000 hours; LED bulbs should last 50,000 hours. also, there is more progress possible in LED; at this time, it seems likely that we can achieve 110 lumens per watt in the next 3 years. - widespread use of LEDs could lower US electrical consumption substantially and could reduce electricity costs of lighting by 80% in the 3rd world Posted by: mhw 2006-05-30 |
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