High efficacy LED boosts lumens-per-watt by 25%

CREE XT-E LED family includes a High Efficacy (HE) option that delivers a 25 percent increase in efficacy and provides a guaranteed minimum efficacy of 164 LPW at 85°C and 350mA. These improvements make 130 LPW or higher at the system level achievable under real operating conditions and enable existing customers to quickly upgrade system performance of applications. Device improves the brightness, voltage characteristics and optical performance in the same, proven 3.45mm x 3.45 mm XT package. http://www.cree.com/xlamp/xte