gallium nitride Archives – The Green Optimistic

New Gallium-Nitride LED Technology Offers High-Power Lighthing

Ovidiu Sandru — Fri, 11 Mar 2011 19:57:33 +0000

All of the LEDs you see in every device that you put your hands on is made with precious sapphire rock - artificially grown one, but still an expensive material to work with. A new technology developed by Bridgelux uses Gallium nitride to grow LEDs on silicon substrates and can be reproduced at commercial scales.

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30% Efficiency with Gallium-Nitride Silicon Solar Cells

Cristi — Wed, 30 Sep 2009 20:31:33 +0000

The Phoenix-based company RoseStreet Labs Energy has developed a prototype solar cell that combines gallium-nitride with silicon, a technology that achieves an efficiency of 25 to 30 percent.

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World's Cheapest "Eco" Bulb That Lasts For 60 Years

Mike Sandru — Fri, 30 Jan 2009 06:34:49 +0000

The researchers at Cambridge University have invented a new type of "eco" bulb that lasts for 60 years and is three times more efficient than current energy light bulbs. It can reduce the lighting bills by up to 75%.

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