Thread: How much light is enough?
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Old 05-21-09 | 07:37 PM
  #50  
calina
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Joined: May 2008
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From: Montreal, Quebec
Originally Posted by mjw
Hopefully OLED lights will become practical over the next 5 years or so. Over 70 lumens per watt...

http://www.treehugger.com/files/2008...-princeton.php

The best bins for Cree XR-E and XP-E LEDs are available NOW and are rated at over 110 lumens per watt.
The XP-g is due within the next six months and will get over 130 lumens per watt.
Last edited by calina; 05-21-09 at 08:01 PM.
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