In This Issue
Case Study: Brazil gives LUXEON the Green Light Bendeirante Energia, S.A., the electric power distributor for 1.4 millions customers in 28 cities in Sao Paolo, Brazil, earned the first-place National Award for Rational Use and Energy Conservation for replacing 5,370 incandescent traffic signals in the city of Guarulhos with LED retrofit bulbs from Meng Engenharia. These innovative E27 bulbs require no fixture retrofit, minimizing capital and installation costs. Using seven LUXEON I red, green, or amber LEDs and consuming less than 10W of power – less than 1/10 the wattage of the vehicular bulbs, and less than 1/6 the wattage of the pedestrian signal bulbs – they have paid for themselves in less than one year. 
For complete details including more photos, savings and payback data, see the press release and case study.
Case Study: TerraLUX Dazzles with Portable Lighting Upgrades When you're in need of a flashlight (torch), there's nothing worse than an equipment failure. Whether you're a plumber crawling around a basement, a spelunker exploring a cave, or a policeman searching for a crime suspect in the middle of the night, being left in the dark may slow your work, get you lost, or even mean the difference between life and death. Boulder, Colorado-based TerraLUX has been making LUXEON-based flashlight retrofit kits since 2004. Over the years, their portfolio has evolved with the LUXEON product line, providing a full line of solutions, from penlights to tactical flashlight retrofits, as well as dental and medical products. 
Most recently, they have released the TLE-300, which uses three LUXEON K2 with TFFC to create the “World’s Brightest Flashlight Upgrade”, generating over 500 lumens, longer battery life, and greater durability from a retrofit kit that fits standard D-cell aluminum flashlights. This kit is already getting rave reviews, producing Tactical performance at a fraction of the cost. They credit LUXEON for propelling them to leadership in the high-power LED retrofit business, particularly for small flashlights. Read the full Philips Lumileds case study on TerraLUX.
Technical Article: Don't Spike your LEDs Traditional lighting manufacturers are aware that overdriving the voltage on standard light sources can dramatically reduce lifetime. In the same way, not controlling current in a LED light engine can damage the LED. In particular, current spikes will occur during what is known as “hot switching” – the act of suddenly inserting a device, mechanically or electrically, into a powered circuit. The current behaves like the pent-up water behind a dam, suddenly rushing with stored force into the waiting destination. In the same way, hot switching, if not controlled by a suitable driver, can cause an in-rush current spike that can damage or even destroy an LED. 
To learn more about managing current spikes in LED light engines, read the full article.
 LUXEON K2 Wins Top Product of the Year
The 30248 readers of Elektronik Magazine, one of the leading electronics titles in Germany, named the LUXEON K2 as Top Product of the Year 2007 in the optoelectronics components category. Read the press release.
Did You Know? LUXEON K2 now lights the worlds largest LED chandelier, which opens to the public April 1st in the renovated Stanley World Theater in Utica, New York. Over 160 LUXEON K2 Stars were used to create the 50-foot diameter Meyda Tiffany luminaire. See more at www.meyda.com. 
New LUXEON Lighting Network Members The following companies have joined the LUXEON Lighting Network as Certified Solutions Partners in the past several months. View the full list of CSPs on the Future Lighting Solutions website. EE Technologies: Printed circuit board production, assembly and test
Enfis: LED light engines for medical, industrial, municipal, and consumer applications.
MaZeT: custom chip, board and software development and manufacturing
TerraLUX: Retrofits, light engines, and products for portable, medical, and other applications.
YunusTech: Hardware and firmware design, manufacturing and support. | 
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