Touch display device

The invention provides a touch display device. The touch display device includes: a display panel including a display surface; a light guide plate disposed on the display surface of the display panel and formed to emit light incident on one side surface thereof through an upper surface thereof; a first light source array disposed on one side of the light guide plate and including a plurality of infrared light sources emitting infrared light to one side surface of the light guide plate; a camera disposed on at least one side of the first light source array and formed to be capable of capturing an image of infrared rays emitted through an entire area of an upper surface of the light guide plate; and a processor configured to recognize coordinates of an input object close to an upper surface of the light guide plate by using the infrared image captured by the camera. 本公开提供一种触摸显示装置。该触摸显示装置包括：显示面板，包括显示表面；导光板，设置在显示面板的显示表面上，并且形成为通过其上表面发射入射到其一个侧表面的光；第一光源阵列，设置在导光板的一侧上，并且包括向导光板的一个侧表面发射红外线的多个红外光源；相机，设置在第一光源阵列的至少一侧上，并且形成