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Wavien, Osram team on picoprojector development

Posted: 09 Dec 2010     Print Version  Bookmark and Share

Keywords:RGB LEDs  projectors  optical 

Enhanced lighting technology licensor, Wavien Inc. and Osram Opto Semiconductors GmbH are partnering to develop RGB LEDs using Osram's LED technology with the LED light recycling technology of Wavien. The RGB LEDs are targeted at pocket projectors and picoprojectors small enough to integrate in cell phones.

Wavien's technology recaptures light lost in standard optical systems and claims it can double the optical output of some systems. The performance improvement is achieved by either adding a reflector with an aperture formed to take standard LED packages or by adding a unique imaging light pipe with an aperture. The dimensions of the apertures, which determine the amount of recycling, and the total size of the reflector or light pipe can be scaled to meet different needs.

"Wavien's LED light recycling technology offers outstanding brightness by recovering and recycling high angle light from the LED that is normally wasted with traditional LED coupling systems," said Kenneth Li, president and CEO of Wavien, in a statement, who is also the inventor of the recycling technology. "This unique design enables LED-based projectors to have increased total brightness by up to 100 per cent."

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