The Lighting Science Group in Florida will provide EcoSmartLED bulbs for the US chain store HomeDepot. The price is below $20. At the end of November, you can buy online or through the Home Depot chain store, and you can also buy LED bulbs produced by other companies.
The LED bulb produced by the Lighting Science Group is white, unlike the compact energy-saving lamps, which emit yellow, wing-shaped cones, fin-shaped radiators, flat tops, and scattered light sources. The EcoSmart A19 is rated at 8.6 watts and has an actual power consumption of 6 watts. The brightness is equivalent to 40 watts of ordinary bulb brightness. The actual energy consumption of a compact energy-saving lamp at the same power rating is 9-13 watts. However, the A19 output brightness is 429 lumens, and the brightness is not enough.
The head of the Lighting Science Group said that in 2011, the company will introduce an LED bulb with a brightness equivalent to 60 watts of ordinary light bulbs, which will have a brightness of 800 lumens and an actual power consumption of only 9 watts. The price is about $35, although the current price is higher, but in the place where the downlights and the light bulbs are not easy to replace, LED bulbs have their unique advantages. Other lighting companies are also actively introducing LED bulbs, and Sylvania, Philips, General Electric, LemnisLighting, etc. all plan to introduce LED bulbs with a brightness equivalent to 60 watts of ordinary bulbs.
Lighting Science Group estimates that the price of LED bulbs equivalent to 60 watts of ordinary bulbs will fall to less than $10 in two years. The preferential policies provided by the public utilities sector will make the price drop even more, making the LED bulbs more popular. In the future, it will be more than just lumens per watt, but lumens per dollar per watt.
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