Why LEDs?

My name is Raja Magasweran and I’m the managing director of U-Tron (Beijing) Electronics Co. in Beijing China. I’ve run this company since it was established in 1992 as a WOFE (Wholly Owned Foreign Enterprise) in China.

We sell ITS (Intelligent Transportation Systems) products, services and integration systems for the traffic industry. In the past two years, I’ve had the opportunity to get involved with the 2008 Beijing Olympics. That inspired my venture into LEDs (Light Emitting Diodes) and the advantages they can bring to our society. If you have seen the opening and closing Beijing Olympic ceremonies you will understand what I’m talking about.

LED technology has come a long way. For example, you can produce over 300 Lumens (candle power) out of one high power Cree LED chip using only 1.15 Watts of electricity. This technical achievement is not without technical hurdles. However, you can expect to see them in use soon.

So we formed a partnership with Cree and went on to develop LED street lights using the Cree XLamp® chip, which is similar to the high power chip but can only output 110 Lumens per 1.15 Watts. However they were very reliable and best we could find in the market at the time. It’s still true as I write this letter. We have tried five other manufactures but as of yet no one comes close to the XLamp’s performance.

During R&D (Research & Development) we had many problems, one was the handling of heat. If you don’t keep the heat under control you will reduce the lifetime of the LEDs and lose your investment. To improve heat dissipation we developed an LED housing made from aluminum. As an added bonus, aluminum is recyclable.

I hope you share our appreciation for sustainable products and their potential to improve our daily lives and our environment. Come back here or subscribe to my RSS (Real Simple Syndication) feed for updates on what we at U-Tron are doing to save energy.

If you are interested, visit http://www.cree.com/. and also check out the power consumption comparaison sheet we put up on the website.

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