A display device in which a plurality of pixels are arranged in a matrix form, corresponding to intersections of a plurality of data lines and a plurality of scan lines, wherein each pixel comprises: a light emitting element (OLED) having a first electrode connected to a first power supply and which emits light according to a current that flows through it; a driving transistor (Tdr) having a source electrode connected to a second power supply (Vdd) by a power supply line, and which supplies a drain current to a second electrode of the light emitting element; a data storage capacitor (Cs) having a first electrode connected to a gate electrode of the driving transistor; and a first switch, connected between a data line and the gate of the driving transistor (Tdr), which is switched ON during a pixel selection period so that data of the data line is written to the data storage capacitor, wherein a potential of a second electrode of the data storage capacitor (Cs) is changed between a pixel selection period and a pixel non-selection period, characterized in that there is further provided a resistor connected between the second electrode of the data storage capacitor (Cs) and a reference power supply (Vref) that is different from the second power supply (Vdd), a second switch, connected between the second electrode of the data storage capacitor (Cs) and the power supply line, for controlling connection between the power supply line and the second electrode of the data storage capacitor (Cs) during the pixel non-selection period, and between the second electrode of the data storage capacitor and the reference power supply via the resistor during the pixel selection period, wherein: the resistance between the data storage capacitor and the reference power supply has a value RLR, an on resistance of the second switch has a value Ron, and a number of pixels, in whichever of the horizontal or vertical direction of the display device has fewer pixels, is defined by M, and Ron < RLR X M/40 is satisfied. a light emitting element (OLED) having a first electrode connected to a first power supply and which emits light according to a current that flows through it; a driving transistor (Tdr) having a source electrode connected to a second power supply (Vdd) by a power supply line, and which supplies a drain current to a second electrode of the light emitting element; a data storage capacitor (Cs) having a first electrode connected to a gate electrode of the driving transistor; and a first switch, connected between a data line and the gate of the driving transistor (Tdr), which is switched ON during a pixel selection period so that data of the data line is written to the data storage capacitor, wherein a potential of a second electrode of the data storage capacitor (Cs) is changed between a pixel selection period and a pixel non-selection period, characterized in that there is further provided a resistor connected between the second electrode of the data storage capacitor (Cs) and a reference power supply (Vref) that is different from the second power supply (Vdd), a second switch, connected between the second electrode of the data storage capacitor (Cs) and the power supply line, for controlling connection between the power supply line and the second electrode of the data storage capacitor (Cs) during the pixel non-selection period, and between the second electrode of the data storage capacitor and the reference power supply via the resistor during the pixel selection period, wherein: the resistance between the data storage capacitor and the reference power supply has a value RLR, an on resistance of the second switch has a value Ron, and a number of pixels, in whichever of the horizontal or vertical direction of the display device has fewer pixels, is defined by M, and Ron < RLR X M/40 is satisfied. the resistance between the data storage capacitor and the reference power supply has a value RLR, an on resistance of the second switch has a value Ron, and a number of pixels, in whichever of the horizontal or vertical direction of the display device has fewer pixels, is defined by M, and Ron < RLR X M/40 is satisfied.