Sharp's Tiny LCD Doubles As Scanner
morpheus83 writes "It's all of 3.5-inches but this LCD screen from Sharp features an integrated optical scanner that could be used to scan business cards, but also be used as a method for multi-touch input. The prototype was seen at the Ceatec exhibition. Possible uses include the ability to recognize fingers or other objects and as biometric lock on your phone. And since each pixel has a scanner it may as well be a multi-touch screen."
The summary is the entire article.
Yes, they did.
Sorry, that didn't work. I know I should have checked it but hey, it was my first post. Here it is again:
patent