Lighting

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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UV LEDs

Lumex (Palatine, IL) has expanded the QuasarBrite™ UV family of LED technologies to include three new standard wavelengths, and announces the availability of custom UV LED arrays. The RoHS-compliant QuasarBrite UV LEDs are now available in standard 355nm, 365nm and 377nm wavelengths in a through-hole format.

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

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Method for Doping Nanocrystals Could Up Efficiency of Solar Panels

A team of researchers have demonstrated how semiconductor nanocrystals can be doped in order to change their electronic properties and be used as conductors. This opens a world of possibilities for applications of small electronic and electro-optical devices, such as diodes and photodiodes, electric components in cellular phones, digital cameras, and solar panels.

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

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Driver Powers 32 Strings of LEDs

iWatt (Los Gatos, CA) introduces the iW7032 LED backlight driver to power up to 32 parallel strings of LEDs for high-performance direct and segment-edge LED TV backlighting. iWatt’s adaptive switching technology solves the thermal problems of driving multiple parallel strings of LEDs, where a significant amount of wasted power typically heats the inside of an LED TV.

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

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Ambient Light Sensors

Everlight Electronics (Taipei, Tawiwan) introduces an Ambient Light Sensor (ALS) product family that meets the requirements for power management solutions for the display backlighting of mobile appliances such as mobile phones, notebooks, and PDAs. The ALS combine a photodiode and a current amplifier IC in one package.

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

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May Issue of Lighting Technology Now Available

This issue of Lighting Technology has more new feature articles, application stories, tech briefs, products, 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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Photoluminescent Nanofibers for High-Efficiency Solid-State Lighting

Polymer nanofibers are nanoscale materials whose properties can be adjusted to provide desirable light management performance for high efficiency solid-state lighting luminaires. The polymeric nanofibers at the core of this project have diameters on the order of 100 to 1000nm and a length of more than 1cm.

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

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