Lighting

The August Issue of Lighting Technology Is Here

The new issue of Lighting Technology has more new feature articles, application stories, tech briefs, products, videos, and research news - all on the latest advances in LEDs and solid-state lighting.

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

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GaN-Ready Aluminum Nitride Substrates

The objective of this project was to develop and then demonstrate the efficacy of a cost-effective approach for a low-defect-density substrate on which aluminum indium gallium nitride (AlInGaN) light-emitting diodes (LEDs) can be fabricated. The efficacy of this GaN-ready substrate would then be tested by growing high-efficiency, long-lifetime InxGa1-xN blue LEDs.

Posted in: Energy Efficiency, Energy, Lighting, Briefs, TSP, GDM

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LED Display Engineering

The primary objective of this project was to develop and implement a method that compensates for the inefficiency of the green light-emitting diode (LED). The proposed engineering solution was to use RGBW combination in every pixel to save energy. A 32" x 16" display with pixel spacing of one inch, which is usually used for outdoor applications, was built.

Posted in: Energy Efficiency, Energy, Lighting, Briefs, TSP, GDM

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Self-Activating and Doped Tantalate Phosphors

Phosphors are useful in numerous applications including lighting. Tantalates are very promising materials because they are especially robust and resistant to chemical degradation. Studies have shown that rare-earth tantalates are excellent host lattices for europium (Eu)-doped red-emitting phosphors, excited by blue light.

Posted in: Energy Efficiency, Energy, Lighting, Briefs, TSP, GDM

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60-Watt Replacement Bulb Is A Winner

Yesterday, the DOE announced that Philips Lighting North America won the first award under the Department's Bright Tomorrow Lighting Prize (L Prize) competition. DOE's L Prize challenged the lighting industry to develop high-performance, energy-saving replacements for conventional light bulbs.

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

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Illumination Design and Analysis Software

Synopsys, Inc. (Mountain View, CA) introduces version 7.2 of its LightTools® illumination design and analysis software with features that will help users graphically analyze simulation results, compute important metrics when designing for the lighting industry, iteratively design with CAD software, and improve the efficiency of luminaire and solar designs.

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

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New 3D Photonic Crystals Are Electronically and Optically Active

Researchers at the University of Illnois at Urbana-Champaign have demonstrated the first optoelectronically active 3D photonic crystal - an advance that could open new avenues for solar cells, LEDs, lasers, and more.

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

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