OPTICLA TOUCH DISPLAY DEVICE AND METHOD OF DRIVING THE SAME

摘要

The present invention relates to an optical touch display device and a driving method thereof which use an image map to be advantageous to high speed drive, large area touch sensing and multi-touch sensing and improve touch sensing performance. According to the present invention, the optical touch display device comprises: a display device to display a display image based on inputted source image data and an image map for touch sensing; an optical touch pen to detect map information of the image map displayed by the display device; and a position detector to detect position information on a screen based on the map information.