light bulb with 20-year life unveiled in us on earth day
LED bulbs from Dutch electronics giant Philips are said to have been on sale for the past 20 years to match Earth Day.
The bulbs that won the US Department of Energy\'s Bright Tomorrow Lighting Award are sold from retailers for $50 ($A48)
Down from the original $60 price.
The company said it plans to discount the cost to $25. The 10-watt LED bulb (light-emitting diode)
Considered an effective alternative to standard 60-
Watt incandescent lamps rated for 30,000 hours-
When using four hours a day, it means more than two hours.
According to the company, ten years of life.
For cost-conscious consumers, Philips says $165 in energy savings over its life cycle can easily offset that price.
The new light bulb that emits 940 lumens, soft white light is: \"60-than the standard-
Philips North American executive Ed Crawford said in announcing the upcoming rebate.
Incandescent lamp is power
Countries around the world are phasing out sucking classics and replacing them with energy --
An efficient CFL version containing toxic mercury that makes them dangerous when thrown in garbage. Philips\' omni-
The mercury-free directional bulb was used as the only contestant competing with the US government, seeking a way to replace the normal bulb and submitted on 2009 after 18 months of testing.
LED bulbs face competition from compact fluorescent lamps, which seek a similar level of efficiency and are much lower in cost.
Originally released as a light bulb, there are 20-