Electronics & Software

Lighting

Application Briefs : Lighting
Greening the Golden Arches
www.cree.com

L ast July, Ric Richards — a fast-food franchisee — opened the first green McDonald’s in North Carolina, proving that it can be affordable and effective to build a sustainable fast-food restaurant. One of the key green elements to the Cary, NC-based McDonald’s is energy-saving,...

Application Briefs : Lighting
Bright and Economical LEDs Enable Mobile Projection
3M, St. Paul, MN www.3m.com
OSRAM Opto Semiconductors, Sunnyvale, CA www.osram-os.com

Micro projectors from 3M that can be connected to mobile phones and cameras include LEDs from OSRAM Opto Semi-conductors. The small, bright, energy-saving diodes were the key to developing the...

Briefs : Lighting
Sliding Mode Pulsed Current Averaging IC Drivers for High-Brightness Light Emitting Diodes
SynDiTec Inc.,
San Jose, CA

This project developed new light emitting diode (LED) driver ICs associated with specific (uniquely operated) switching power supplies that optimize performance for High Brightness LEDs (HBLEDs). The drivers...

Briefs : Lighting
Development of Advanced LED Phosphors by Spray-based Processes for Solid-State Lighting
Cabot Corp.,
Boston, MA

The overarching goal of this project was to develop luminescent materials using aerosol processes for making improved LED devices for solid-state lighting. In essence, this means improving white light emitting...

Techs for License : Lighting
Nanofiber-based Lighting Technology

A lighting technology from RTI is more energy efficient than the common incandescent light bulb and does not contain mercury, making it environmentally safer than the compact fluorescent light (CFL) bulb. At the core of the technology is an advanced nanofiber structure that provides exceptional lighting...

Techs for License : Lighting
OLED Deposition Technology

Low-cost processing methods will be required if the small organic molecule materials currently under development for use in organic light emitting diodes (OLEDs) and other electronics are ever to realize wide spread commercial application.

News : Green Design & Manufacturing
Recovering Raw Materials for Green Technologies

Engineering researchers from the University of Leeds have discovered how to recover significant quantities of rare-earth oxides, present in titanium dioxide minerals. Rare-earth oxides are useful in many applications, such as the manufacture of wind turbines, energy-efficient lighting, and hybrid...

Products : Energy
Reflective Switch Employed in Wind Turbines for RPM Sensing

The OPB732 Series long distance infrared reflective switch from TT electronics OPTEK Technology (Carrollton, TX) has been employed in a 6kW wind turbine for RPM sensing. Placed at the turbine rotor, the switch is used internally to sense RPMs, and that data is then transmitted to a...

News : Lighting
Research: Reducing Energy Consumption in Street Lighting

Experts from Rensselaer Polytechnic Institute's Lighting Research Center (LRC) estimate that about half of the approximately 13 million streetlights in the U.S. have the opportunity to reduce energy consumption by 50 percent - translating to an annual savings of 1 billion kWh, and a...

Products : Lighting
LED Characterization System

As part of the design process, engineers must predict the performance of their LED system and determine if it will meet specifications at real operating temperatures and electrical drive conditions. The ETΦ™ family of LED Characterization Systems (also known as ETO) from Orb Optronix (Kirkland, WA) measures the...

Videos : Energy
Germany Takes the 2009 Solar Decathlon

Today, DOE Deputy Secretary Daniel Poneman announced the winners of the 2009 Solar Decathlon competition on the National Mall in Washington, D.C. The student team from Darmstadt, Germany, won top honors by designing, building, and operating the most attractive and efficient solar-powered home. This is the...

News : Energy
People, Prosperity, and the Planet (P3)

The EPA has awarded 43 grants to teams of university students who will design technologies addressing sustainability challenges in the developed and developing world. The People, Prosperity, and the Planet (P3) competition asks students to design and build technologies that improve quality of life,...

Products : Energy
White LED Driver Offers Dynamic Backlight Control

Portable media devices have increasingly larger displays and longer video playback, and require more power. The LM3530 from National Semiconductor Corp. (Santa Clara, CA) employs ambient light-sensing algorithms and content-adjustable backlighting to optimize displays, saving 55 percent of...

Products : Energy
Large Area OLED Device

Novaled (Dresden, Germany) developed a 15 x 15 cm white OLED with a thickness of less than 2 mm. The Novaled OLED stack allows for a natural and warm white light, performing with a high color rendering index (CRI) of 90 - which looks similar to sunlight or what is delivered by incandescent bulbs.

News : Energy
DOE Invests in Improving SSL

Today, DOE Secretary Steven Chu announced the investment of up to $6.4 million (including $4.6 million from the American Recovery and Reinvestment Act) for advancing research and development of next generation high-efficiency lighting.

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