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Brief Published: 10 Aug 2011

Bright Tomorrow


Electronics giant Philips has won the 60-watt category of the American Department of Energy’s (DOE) Bright Tomorrow Lighting Prize, also known as the L Prize.

The initiative was launched as a challenge to find an efficient LED replacement for America’s most used lighting source – the energy intensive 60-watt incandescent bulb. The strict requirements stipulated by the DOE stated that the replacement must use less than 10 watts of power, providing energy savings of 83%, while ensuring that “performance, quality, lifetime, cost, and availability meet expectations for widespread adoption and mass manufacturing".

The Philips LED L Prize Lamp successfully completed 18 months of intensive field testing to win a $10m cash prize and is expected to go on sale early next year. The DOE estimates that if Americans replaced their 60-watt incandescent bulbs with Philips' winning model, the country would save $3.9bn a year.