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luminous efficacy

New filament LED bulbs
said to be most efficient yet

March 15, 2017 By Lee Teschler

bulb

Researchers at the Hong Kong Polytechnic University claim to have developed the most energy-efficient Light Emitting Diode (LED) filament technology yet. Bulbs devised at the HKPU lab have a luminous efficacy of 129 lm/W. To be clear, the new bulbs employ LEDs shaped to look like the filaments of an incandescent light bulb. The light […]

Filed Under: LED Lighting, Lighting Tagged With: Hong Kong Polytechnic University, LED, luminous efficacy

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