LED lights to replace existing low efficiency bulbs


Many cities are willing to adopt LED projects as it could result in power consumption savings ranging from 50 to 80 per cent. Measured in lumen/W, the efficiency and applications of LED downlights and LED tubes are projected to overtake conventional lighting by 2012, although price issues will play a key role in deciding whether LED lighting can become widely accepted across the globe. For example, the Japanese government has come up with a set of measures to subsidise companies or organisations willing to use LED lighting, with the highest level of subsidy hitting around 4 million Japanese yen (US$ 49,537) for a single entity. Countries like China and India are also likely to take the lead in the field of public space lighting.

Jiang Wen-hsing, director, Solid State Lighting, Delta Electronics, predicted that LED lighting will definitely become the dominant force globally by 2015 if the production costs for an LED bulb fall below US$ 3 by 2012, with a penetration rate of over 50 per cent of the world market.



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