US Patent 10296133 Touch screen and touch positioning method thereof, and display device

The present disclosure discloses a touch screen and a touch positioning method thereof, and a display device. The touch screen comprises: a plurality of mutually insulated fan-shaped first touch sensing electrodes and a plurality of mutually insulated and non-overlapped second touch sensing electrodes mutually insulated from the first touch sensing electrodes. The fan-shaped first touch sensing electrodes are arranged in a circle, and each of the second touch sensing electrodes is shaped like a non-closed ring concentrically arranged with the circle.