Building a Better Bulb: Lighting Revolution Advances

With the industry’s support, new U.S. lighting efficiency standards went into effect this month. This move, along similar actions in Europe and China, is helping spur new technologies that will change the way homes and businesses are illuminated. READ MORE

 

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LED, or light-emitting diodes, such as this 60-watt model from Philips Lighting, are a solid-state technology. Instead of thermal radiation coming off an electrical filament like an incandescent bulb, they involve electroluminescence from semi-conductors. This bulb, the Philips Endura LED, uses 12 watts to achieve a 60-watt equivalent, and lasts about 25,000 hours. (Philips Lighting)

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