Sunday, May 09, 2010

ED Lights serve for an Energy Efficient Planet



We all want to cool our planet, we all wanna be a part of “Global Cooling” and fight “Warming”. Nowadays more products are released which is eco friendly than its previous version. Most of the electronics gadgets now use “Green” components which can be recycled later and serves the purpose without any harm to our environment. One such product is “LED Lamps”. An LED lamp is glorified for its energy conservation compared to its predecessors CFL and Incandescent.   A study by Carnegie  Mellon and Osram gives us a good insight into this and it helps us to defend the controversies.

First point is 98% of energy consumed by LED is emitted out as light and only 2% is used for light production. Next point is lifetime, an LED lamp is observed to have a lifetime of 25,000 hrs, where as a CFL has only 10,000 hrs. An incandescent lamp serves the humans for only 1000 hrs, so it needs 25 incandescent lamps to equate 1 LED lamp. This clarifies LED’s are more energy efficient and we can cut down energy consumption by 25 times (old days @ incandescent times). At present an LED may produce upto 30lumens/watt and research shows that in near future upto 150lumens/watt is possible. A comparison of energy consumption in KWH shows that an incandescent lamp consumes 24 times that of an LED and a CFL consumes 3 times of an LED. So LED proves its efficiency again here and underlines its stand to serve an energy efficient planet. AS of now LED’s are much efficient as CFL’s and we hope LED will overtake this position as LED lighting technology is still on its way to full realisation and a lot of promising research is going on in this area.

Note: This article is written by Mr. Sam Mathew who is an author of Circuits Today