US Patent 11360625 Display device and terminal

The disclosure provides a display device and a terminal. The display device includes a display panel, a touch layer, a detecting circuit, and a connecting line. The display panel includes a display area, a first through hole, and a buffer area. The touch layer is provided with a plurality of touch electrodes, and a second through hole is defined in an area of the touch layer corresponding to the first through hole. The detecting circuit is disposed in the buffer area and is configured to detect quality of the first through hole. The connecting line is formed in the touch layer and is configured to connect the detecting circuit to an external circuit. Quality of an area of the display panel where a hole is defined is detected.