Patent ID: 8659521

Claim:
A method for driving a display device which comprises a light emitting element comprising: selecting a first driving transistor during a first writing period by selecting a gate scan line connected to a gate terminal of a third switching transistor so as to turn on the third switching transistor and so as to input a first signal to a gate terminal of the first driving transistor from a first source signal line through the third switching transistor so that the light emitting element emits light; and selecting a second driving transistor during a second writing period after the first writing period by selecting the gate scan line connected to a gate terminal of a fourth switching transistor so as to turn on the fourth switching transistor and so as to input a second signal to a gate terminal of the second driving transistor from a second source signal line through the fourth switching transistor so that the light emitting element emits light, wherein a first terminal of the first driving transistor is connected to a power supply line, wherein a second terminal of the first driving transistor is connected to a first terminal of a first switching transistor, wherein a second terminal of the first switching transistor is connected to the light emitting element, wherein a gate terminal of the first switching transistor is connected to a first gate signal line, wherein a first terminal of the second driving transistor is connected to the power supply line, wherein a second terminal of the second driving transistor is connected to a first terminal of a second switching transistor, wherein a second terminal of the second switching transistor is connected to the light emitting element, wherein a gate terminal of the second switching transistor is connected to a second gate signal line, wherein the gate terminal of the first driving transistor is connected to a first terminal of the third switching transistor, wherein a second terminal of the third switching transistor is connected to the first source signal line, wherein the gate terminal of the second driving transistor is connected to a first terminal of the fourth switching transistor, wherein a second terminal of the fourth switching transistor is connected to the second source signal line, wherein the display device comprises a signal line driver circuit, wherein a signal is inputted to the signal line driver circuit by a signal control circuit, wherein the signal control circuit comprises a first memory and a second memory, wherein each of the first memory and the second memory is capable of storing a digital video signal for one frame period, wherein the digital video signal is sampled by using the first memory and the second memory alternately, wherein one frame period comprises a first subframe period and a second subframe period, wherein the first subframe period comprises the first writing period, and wherein the second subframe period comprises the second writing period.