| 摘要 |
PROBLEM TO BE SOLVED: To provide a capacitance type touch screen which is excellent in interference resistance performance or manufacturing process performance.SOLUTION: A touch display device includes a display touch screen including a first substrate, a second substrate, a liquid crystal layer and a plurality of pixel units, and the display touch screen includes a plurality of common electrodes arrayed in a two-dimensional array, and a display touch control circuit includes a display control circuit and a touch control circuit. When a display is executed, the display touch control circuit is connected via wiring to the plurality of common electrodes such that the plurality of common electrodes are connected to a common level provided to the display control circuit, and when the touch detection is executed, each of the plurality of common electrodes is connected to the touch control circuit as a touch detection electrode. |
