An active matrix-type display device having a pixel circuit for each of a number of pixels arranged in matrix to control the light-emitting period, wherein; each pixel circuit includes: a light emitting element which emits light in response to a driving current, a driver element adapted to control the driving current supplied to the light emitting element, a capacitance in which a signal voltage is written during a writing period from a signal line for applying a voltage corresponding to the written signal voltage to the gate of the driver element, and a gate potential control line for shifting the potential of the capacitance to control the gate potential of the driver element, and wherein said active matrix further comprises: A source supply circuit adapted to supply through a positive source line a positive voltage and through a negative source line a negative voltage (Vss) to the respective light emitting element, A signal line driving circuit adapted to supply signal voltages corresponding to luminance signals to the respective pixels through a signal line, A scanning line driving circuit adapted to supply signal voltages to a first scanning line also called gate potential control line and a second scanning line for controlling seizure of respective pixels, said signal driving circuit and said scanning driving circuit being adapted to drive each pixel circuit in one frame period, Said active matrix being characterised in that said signal driving circuit and said scanning driving circuit being adapted: to divide one frame into a plurality of subframes, and to write in the capacitance from the signal line during each of the subframes, at least three stages of signal voltage, and to further divide during one subframe, after the writing period, during the emitting period, the subframe to form sub-subframes by changing the gate potential of the driver element by the gate potential control line for controlling the gate electrode voltage of the driver element in the sub-subframe by combining the signal voltage and the voltage of the gate potential control line to control a light emitting period of the light emitting element. a light emitting element which emits light in response to a driving current, a driver element adapted to control the driving current supplied to the light emitting element, a capacitance in which a signal voltage is written during a writing period from a signal line for applying a voltage corresponding to the written signal voltage to the gate of the driver element, and a gate potential control line for shifting the potential of the capacitance to control the gate potential of the driver element, and wherein said active matrix further comprises: A source supply circuit adapted to supply through a positive source line a positive voltage and through a negative source line a negative voltage (Vss) to the respective light emitting element, A signal line driving circuit adapted to supply signal voltages corresponding to luminance signals to the respective pixels through a signal line, A scanning line driving circuit adapted to supply signal voltages to a first scanning line also called gate potential control line and a second scanning line for controlling seizure of respective pixels, said signal driving circuit and said scanning driving circuit being adapted to drive each pixel circuit in one frame period, A source supply circuit adapted to supply through a positive source line a positive voltage and through a negative source line a negative voltage (Vss) to the respective light emitting element, A signal line driving circuit adapted to supply signal voltages corresponding to luminance signals to the respective pixels through a signal line, A scanning line driving circuit adapted to supply signal voltages to a first scanning line also called gate potential control line and a second scanning line for controlling seizure of respective pixels, said signal driving circuit and said scanning driving circuit being adapted to drive each pixel circuit in one frame period, Said active matrix being characterised in that said signal driving circuit and said scanning driving circuit being adapted: to divide one frame into a plurality of subframes, and to write in the capacitance from the signal line during each of the subframes, at least three stages of signal voltage, and to further divide during one subframe, after the writing period, during the emitting period, the subframe to form sub-subframes by changing the gate potential of the driver element by the gate potential control line for controlling the gate electrode voltage of the driver element in the sub-subframe by combining the signal voltage and the voltage of the gate potential control line to control a light emitting period of the light emitting element. to divide one frame into a plurality of subframes, and to write in the capacitance from the signal line during each of the subframes, at least three stages of signal voltage, and to further divide during one subframe, after the writing period, during the emitting period, the subframe to form sub-subframes by changing the gate potential of the driver element by the gate potential control line for controlling the gate electrode voltage of the driver element in the sub-subframe by combining the signal voltage and the voltage of the gate potential control line to control a light emitting period of the light emitting element.