Touch Display Device, Touch Display System, and Method for Adjusting Touch Area Thereof

摘要

A touch display device, a touch display system, and a method for adjusting a touch area thereof are disclosed. The touch display system comprises a computer system and the touch display device. The touch display device provides a touch area with a touch control function. The method comprises following steps: receiving an image signal and displaying an image representing the image signal on the touch display device; detecting and obtaining a signal resolution of the image signal; detecting and obtaining a display status displayed by the touch display device, wherein the signal resolution and the display status are used to determine the boundary of the image; determining whether the touch display device simultaneously displays the image and an inactive area, wherein the inactive area is the region where the touch display device does not display the image; and if yes, adjusting the coordinates of the touch area such that the touch area and the image correspond with each other.