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August/September 2009 Issue Highlights
  • image2009 Annual Resource Guide
  • Case Study: A Spectacular Display of Light, Sound and Movement
  • Standardization for LEDs and Solid State Lighting
  • Innovative Power Reduction Techniques Enable Handset Manufacturers to Provide Media Rich Devices
  • OLED Display Technology
  • Integrating Power, Control Offers Flexibility and Simplicity for Lighting Applications
 
Feature Articles

falinHow to Dim a WLED Backlight Driver
By Jeff Falin, Factory Applications Engineer • Texas Instruments

White light-emitting diodes (WLEDs) have many advantages over fluorescent lights. These include being a solid-state device and a directional light source. They operate at much lower voltages and are easier to dim over a wider brightness range. They also have more linear brightness changes when dimming.

Read full article here.

New Products

Maxim Releases the First Two-String HB LED Driver for Automotive Applicationsmaxim
Maxim Integrated has introduced the MAX16838, a two-string HB LED driver for automotive applications. This device integrates a boost or SEPIC switching converter, two linear current sinks and all necessary power MOSFETs. The MAX16838 is able to optimize conversion efficiency, provide complete fault protection, and allow a 5000:1 dimming range-without any external components. This HB LED driver is well suited for LCD backlighting applications, particularly in automotive displays.

... read more


Avago Introduces Water-Resistant HB Surface Mount Tricolor LEDs for Indoor and Outdoor Full Color Signsavago
Avago Technologies has developed the industry's first compact high-brightness water-resistant tricolor surface mount LEDs for use in indoor and outdoor full color signs and displays.  Avago's ASMT-YTBO Plastic Leaded Chip Carrier (PLCC)-6 Blackbody and ASMT-QTCO industry standard PLCC- 4 LEDs have been enhanced to make them water-resistant. As a result, a protection cover is not needed saving money for indoor and outdoor display designers. These compact tricolor LEDs arewell suited for use in electronic video screens and advertising signs used in transit malls, airports and stadium scoreboards.

... read more

Industry News

Seoul Semiconductor to Introduce 100 lm/W LED Source During First Quarter 2010
seoulSeoul Semiconductor, a LED manufacturer, will introduce the first 100 lm/W AC LED light source during the first quarter of 2010. Offering 25 percent greater efficiency than existing LED light products, this latest offering from Seoul Semiconductor’s Acriche brand will be available for sampling by March 1. It will be supported with a global marketing campaign.

... read more

 
2009 Resource Guide


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Download the 2009 Resource Guide



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