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Products + Technology

Cree Breaks 300 Lumens Per Watt Barrier

Craig DiLouie July 1, 2014

Cree, Inc. recently demonstrated 303 lumens/W from a white high power LED. Reaching the landmark achievement faster than predicted, this result surpasses Cree’s previous R&D industry best of 276 lumens per watt announced just over a year ago.

Cree reported that the LED efficacy was measured at 303 lumens/W, at a correlated color temperature of 5150K and 350 mA current. Standard room temperature was used to achieve the results.

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Craig DiLouie
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Launched in 2001, LightNOW covers the rapidly changing lighting world for lighting people. Check-in daily to see new posts by Editor David Shiller, Craig DiLouie, and other experts in the lighting field including consultants and lighting designers. Posts include news items to keep you up to date, short opinion pieces to invite you to consider another point of view, new products every Monday, and links to new research and tools to help you design with light. Also be sure to subscribe to the LightNOW newsletter (free), which is published every two weeks as a digest of articles on the site. We always welcome your feedback, so feel free to comment on any of the stories that appear here at LightNOW. If you are a manufacturer, LightNOW offers a low-cost ad vehicle to reach thousands of specifiers, contractors, reps, distributors, consultants, owners, and other stakeholders in the sales channel. For advertising inquiries, contact Suelynn Shiller. Thank you for visiting, and we hope you find LightNOW useful for your career in lighting

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