Lumileds announces high-power, single-die discrete LED that delivers 1700 lm

　　Lumileds has announced the new Luxeon V high-power packaged LED that can be driven to the 15W level and that targets a variety of high-lumen-output applications including sports field lighting, high- and low-bay luminaires, and outdoor area lighting. Indeed, the company said the discretely-packaged, single-die LED can deliver over 1700 lm at 5700K CCT and 70 CRI when driven at 4.8A — that equates to efficacy in the 110-lm/W range.

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　　Lumileds boldly claimed that the Luxeon V delivers 50% higher lumen output than similar competitive products. The 4×4-mm footprint packaged LED was also said to offer 60% better thermal resistance than competitive products. “Luxeon V enables fixture designs that were previously unattainable for stadium and area lighting, torch and other portables because of the unique combination of high efficacy at high drive current with extremely low thermal resistance and optimized radiation pattern,” said Kathleen Hartnett, senior director of product marketing at Lumileds.

　　The performance claims made by LED manufacturers relative to competitors are always difficult to verify because often physical properties such as emitter and package size vary, and different manufacturers report performance under differing conditions in terms of drive current and CCT/CRI combination. Moreover, the Cree XHP (Extreme High Power) LEDs that might be most competitive with the Luxeon V products are multi-emitter designs.