Display device and short circuit detection method therefor

A display device, comprising:

• a display panel, wherein the display panel comprises a plurality of data lines arranged in parallel, a plurality of scanning lines arranged in parallel, and pixels formed by intersections of the plurality of the data lines and the plurality of the scanning lines;
• a scanning driving circuit, wherein the scanning driving circuit is connected to the plurality of the scanning lines, and for driving the plurality of scanning lines;
• a data driving circuit, wherein the data driving circuit is connected to the plurality of data lines for driving the plurality of data lines, the data driving circuit comprises a digital-to-analog converter, an amplifier, a switching module and a sensor, wherein,
• an output terminal of the digital-to-analog converter is connected to a data line through the amplifier and the switching module sequentially;
• an input terminal of the switching module is connected to the amplifier, and an output terminal of the switching module is connected to the data line;
• a first input terminal and a second input terminal of the sensor are connected to an external voltage source, the first input terminal is for receiving a first voltage and the second input terminal is for receiving a second voltage, a voltage value of the first voltage is less than a voltage value of the second voltage, a third input terminal of the sensor is connected between the switching module and the data line, an output terminal of the sensor is connected to a control terminal of the switching module;
• wherein, when a feedback voltage received by the third input terminal is outside a voltage value range defined by the first voltage and the second voltage, the output terminal of the sensor outputs a high level to the control terminal of the switching module, and when the control terminal of the switching module is at the high level, the input terminal and the output terminal of the switching module are disconnected, the voltage value of the first voltage is less than an operating voltage of the data driving circuit and greater than a ground voltage, a maximum voltage of the output voltage of the scanning driving circuit is greater than the operating voltage of the data driving circuit, and a minimum voltage of the output voltage of the scanning driving circuit is less than the ground voltage.