gallium nitride LED Archives – The Green Optimistic green tech news, since 2008 Mon, 07 May 2012 15:13:34 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 NGK Discovers 90% Efficient Gallium Nitride LED Source https://www.greenoptimistic.com/ngk-gallium-nitride-wafer-project-led-20120507/ https://www.greenoptimistic.com/ngk-gallium-nitride-wafer-project-led-20120507/#respond Mon, 07 May 2012 15:07:39 +0000 https://www.greenoptimistic.com/?p=24351 A new gallium nitride (GaN) semiconductor developed by NGK Insulators will hugely increase the luminous efficiency of LEDs from 30-40% to about 90%, reports TechOn. The transparent wafer created by NGK has a very low defect density and has been made by using a proprietary liquid phase growth method for a single-crystal growth process. (if […]

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