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 reduction in power plant CO2 emissions of 546,000 tons per year.

Posted in: Energy Efficiency, Energy, Lighting, News, GDM

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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 complete electrical, thermal, and optical characteristics of LEDs.

Posted in: Lighting, Products, GDM

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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 team's second-straight Solar Decathlon victory.

Posted in: Building Technologies, Videos, Solar Power, Energy Efficiency, Renewable Energy, Energy, Lighting, News, GDM

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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, promote economic development, and protect the environment.

Posted in: Building Technologies, Alternative Fuels, Green Design & Manufacturing, Recycling Technologies, Biomass, Solar Power, Wind Power, Energy Efficiency, Renewable Energy, Energy, Lighting, News, GDM

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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 power.

Posted in: Energy Efficiency, Energy, Lighting, Products, GDM

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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.

Posted in: Energy Efficiency, Energy, Lighting, Products, GDM

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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.

Posted in: Energy Efficiency, Energy, Lighting, Government Initiatives, Government, News, GDM

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