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Citizen has developed a white LED source that produces 245 lm at 70 lm/W
Japan's Citizen Announces Lower Heat 70 Lumens/Watt White LED
Scott McMahan, News Editor
June 21, 2005...Citizen Electronics Co. of Tokyo, Japan has added to the white LED race with a bright new contender. It boasts an efficiency on par with florescent lights, according to an article appearing in Nikkei Net Interactive. The CL-L100 has a 3.5-watt output. What makes it noteworthy is its brightness of 245 lumens and an efficiency that they claim is 70 lm/W.
3.5W 245 Lumen LED
Japan's Citizen Announces Lower Heat 70 Lumens/Watt White LED
Scott McMahan, News Editor
June 21, 2005...Citizen Electronics Co. of Tokyo, Japan has added to the white LED race with a bright new contender. It boasts an efficiency on par with florescent lights, according to an article appearing in Nikkei Net Interactive. The CL-L100 has a 3.5-watt output. What makes it noteworthy is its brightness of 245 lumens and an efficiency that they claim is 70 lm/W.
3.5W 245 Lumen LED