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3 Aug 2011

US semiconductor technology company RoseStreet Labs (RSL) has announced what it claims to be the world’s first long wavelength LED device built on a low-cost silicon wafer substrate. According to RSL, LEDs operating at green or longer wavelengths would fill a demand gap in the rapidly growing commercial and industrial markets for lighting and illumination.

RSL’s device compliments its proprietary thin-film InGaN-on-silicon technology for high efficiency photovoltaic applications and power devices. These longer wavelength devices are fabricated using commercial scale deposition tools at RSL’s Nitride Research Center in Phoenix, Arizona. Silicon substrates have a substantial cost advantage over the more traditional sapphire or silicon carbide substrates typically utilized in LED fabrication, the company claims. [via]

Novel green LED built on silicon substrate - [Link]

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