Sensing structure, display panel, driving method and display device
2016
The invention provides a sensing structure, a display panel, a driving method and a display device. The sensing structure comprises a first pressure-sensitive electrode array, a second pressure-sensitive electrode array, an insulating unit array and a sensing control circuit. First pressure-sensitive electrodes and second pressure-sensitive electrodes are arranged in a crossed mode, and multiple crossing surfaces exit between the first pressure-sensitive electrode array and the second pressure-sensitive electrode array. The insulating unit array is arranged between the first pressure-sensitive electrode array and the second pressure-sensitive electrode array, and an insulating unit is arranged on each crossing surface. The insulating units are made of an insulating piezoelectric material. The sensing control circuit sends touch control scanning signals and pressure scanning control signals to the first pressure-sensitive electrode array in a time sharing mode, receives sensing signals obtained through sensing by the second pressure-sensitive electrode array, judges the touch control position according to the sensing signals and obtains pressure. Multiplexing of all layers of sensor structures is achieved, the sensing structure is simplified, and thinning of the touch control display device is promoted.
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