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Mr.Cool
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Joined: 28 Oct 2009
Posts: 362
Location: Pakistan
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 Posted: NiceFun.net Post Subject: Micro-projector uses OLED tech |
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Micro projection was hot news at this year's CES show, with demos of various future systems.
Now scientists at the Fraunhofer Institute for Applied Optics in Germany have created a tiny OLED projector that doesn't need any extra illumination, and takes very little power from the phone's battery.
They predict that they will soon have a projector capable of projecting live TV from a mobile phone on to white walls or even seaside towels.
Fingertip-sized projector
The prototype OLED (organic light emitting diode) projector is 2.5 centimeters long, has a diameter of 1.8 centimeters and can be "easily integrated" into a mobile or PDA.
A lens system projects the image produced by the OLED onto a wall or other flat surface. The lenses are currently made of glass but the research scientists are already developing a system using cheaper plastic lenses.
The OLED display produces a monochrome image with a brightness of 10,000 candelas per square meter; for colour images the brightness is about half that level.
In comparison, a computer monitor generates about 150-300 candelas per square meter.
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