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2017-03-09

Hong Kong Students Develop World’s Most Energy-Efficient LED Filament Bulb

A research team at the Hong Kong Polytechnic University (PolyU) claims it has successfully developed the most energy-efficient LED filament technology with a luminous efficacy of 129lm/W, which represents 1.5 times the efficacy of traditional LED lamps, surpassing all other general lighting tools available in the market.  
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