On March 23, 2013 Green Ray LED Lighting a California/New York start up reached a milestone in the LED lighting world with the introduction of 173 Lm/W LED’s T8 lamp.
US Department of Energy through its program “Lighting Facts” issued the label to Green Ray LED’s T8 lamp and the lamp became as of today the world’s most energy efficient light approved by DOE.
Independent test results concluded to date, no others have surpassed its standing 173 Lumens per Watt. This is a global record in efficiency for this type of lighting technology.
Testing of Green Ray’s T8 4ft. lamp shows the lamp produces 2,600 lumens and has the effectiveness of 173 Lm/W using only 15 watts of energy with a CCT of 5000K.
Source:
http://www.ledinside.com/news/2013/4/green_ray_led_173_lm_20130417
