A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; and a processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively....http://www.google.de/patents/US20080143682?utm_source=gb-gplus-sharePatent US20080143682 - Display device having multi-touch recognizing function and driving method thereof
