Display device

摘要

A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.

主权项

1. A display device comprising:
a display panel including an array substrate and a counter substrate; a pixel electrode between the array substrate and the counter substrate; a common electrode between the array substrate and the counter substrate; and a detection circuit; wherein the display panel has a detection electrode, the detection circuit includes a first switch element, a second switch element, an integration circuit, and a pulse voltage circuit outputting the pulse voltage, in the first mode, the common electrode is supplied a common voltage for display, in the second mode, the first switch connects between the detection electrode and the pulse voltage circuit for supplying a pulse voltage to the detection electrode, and the second switch connects between the detection electrode and the integration circuit for detecting a voltage of the detection electrode.