1,000+ lumen single LED!
02-06-08, 10:15 PM
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1,000+ lumen single LED!
have you guys seen this? I only just noticed it on the Cutter Electronics website...
I wonder how much more efficient (lumens/watt) it would be at lower wattage? I suspect it could get well above 100lm/watt..... oh yes, the future looks bright for DIY LEDs 
Originally Posted by from Cutter's website
10th September 2007 - Cree, Inc. (Nasdaq: CREE), a leader in LED lighting components, today announced it has demonstrated light output of more than 1,000 lumens – an amount equivalent to the output level of a standard household light bulb – from a single R&D LED. Cree’s achievement demonstrates continued leadership in the development of LEDs that can make traditional light bulbs obsolete.
A single-die LED, driven at four amps, produced 1,050 lumens in cool white and 760 lumens in a warm-white version. Efficacy of the cool-white LED was 72 lumens per watt and 52 lumens per watt from the warm-white device. Both LED versions operated at substantially higher efficacy levels than those of today’s conventional light bulbs. Historically, Cree’s R&D demonstrations generally have been commercialized within 12 to 24 months.
A single-die LED, driven at four amps, produced 1,050 lumens in cool white and 760 lumens in a warm-white version. Efficacy of the cool-white LED was 72 lumens per watt and 52 lumens per watt from the warm-white device. Both LED versions operated at substantially higher efficacy levels than those of today’s conventional light bulbs. Historically, Cree’s R&D demonstrations generally have been commercialized within 12 to 24 months.
02-07-08, 03:45 AM
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I think there was a thread on this a while back... Doesn't matter though, that's one hell of a nice LED. Hopefully they are pretty cheap when they come out. Can you imagine a bank of 3 or 4 of those on the front of the bike?
02-07-08, 08:42 AM
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https://www.cree.com/press/press_deta...=1189687350946
02-07-08, 09:49 AM
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Indeed, Cree has a subsequent press release announcing 129 lumens/watt at 350 mA:
https://www.cree.com/press/press_deta...=1189687350946
https://www.cree.com/press/press_deta...=1189687350946
02-07-08, 01:28 PM
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Shiny! (literally)
We'll finally start seeing these in car headlights, too...
We'll finally start seeing these in car headlights, too...
