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Philips Creates the World's Most Energy-efficient Warm White LED Lamp 
 
Researchers developed a tube-lighting (TL) replacement TLED prototype that produces a record 200 lumens per watt of high-quality white light (compared with 100lm/W for fluorescent lighting and just 15lm/W for traditional light bulbs. The prototype is twice as efficient as predecessor lamps, basically halving the energy used...
 
 
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