Lighting

Development of Advanced LED Phosphors by Spray-based Processes for Solid-State Lighting

Luminescent materials were developed using aerosol processes, for making improved LED devices for solid-state lighting. In essence this means improving white light emitting phosphor-based LEDs by improvement of the phosphor and phosphor layer.

Posted in: Briefs, Briefs, TSP, Energy Efficiency

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Sliding Mode Pulsed Current Averaging IC Drivers for High-Brightness Light Emitting Diodes

Light Emitting Diode (LED) driver ICs associated with specific (uniquely operated) switching power supplies that optimize performance for High Brightness LEDs (HB-LEDs) have been developed. The LED drivers feature fewer external components and high power efficiency.

Posted in: Briefs, Briefs, TSP, Energy Efficiency, Greenhouse Gases

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Power Conversion for Reduced Cost, Volume, and Weight - and Increased Efficiency

Industry and consumers are increasingly aware of the benefits of efficacious use of metered power, as costs and cost trends increase. Making the right choices for power converter design can produce rapid investment payback in applications such as for LED illumination and automotive electric vehicles, and can be optimized for low total cost of ownership (TCO).

Posted in: Features, Articles, Energy Efficiency

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Keep Lighting Green from Start to Finish With Proper Packaging and Disposal of Used Fluorescent Lamps

Fluorescent lamps are a popular lighting option for businesses and consumers that are looking for ways to conserve energy and cut down on wastes. Since mercury - a very useful but very toxic element - is used to conduct the charge in fluorescent lamps, these benefits can come at a significant environmental and health risk.

Posted in: Pollution, Features, Articles, Energy Efficiency, Government Initiatives, Recycling Technologies

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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 and electric cars.

Posted in: News, News, Energy Efficiency, Renewable Energy, Wind Power, Greenhouse Gases

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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 customer-accessible Web site via GPRS.

Posted in: Products, Products, Energy Efficiency, Renewable Energy, Wind Power

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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: News, News, Energy Efficiency

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