DISPLAY DEVICE, TOUCH SCREEN DEVICE AND TOUCH DRIVER FOR THE SAME

摘要

A display device comprises: a display substrate including a plurality of pixels; a touch substrate arranged in the front of the display substrate; a flexible printed circuit board connected to the touch substrate; and a touch driver arranged on the flexible printed circuit board. The touch driver comprises: a touch control unit; a clamp circuit for cutting off overcurrent flowed in through a wiring for a touch control signal applied to the touch control unit from the outside; and an overvoltage suppression device connected to a wiring of power voltage applied to the touch control unit from the outside to discharge the overcurrent to a ground power.