Sharp today revealed a prototype touchscreen display it believes could solve many of the inherent limitations of current models. The current example uses the same 3.5-inch size and 320x480 resolution of the iPhone's Balda-made display but builds optical sensors directly into the LCD surface, detecting changes by the pixel. Input is sensitive enou...

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	www.macnn.com/articles/07/08/31/sharp.multi.touch.proto/