Display device displaying substantially constant luminance and driving method thereof

摘要

A display device includes: a first switching element which transmits a first data voltage; a second switching element which transmits a second data voltage; a driving transistor connected to the first switching element and the second switching element, where the driving transistor is driven based on the first data voltage and the second data voltage; and an organic light emitting diode connected to the driving transistor, where the organic light emitting diode emits light based on an output of the driving transistor, and a driving method thereof.

主权项

1. A display device comprising:
a first switching element which transmits a first data voltage; a second switching element which transmits a second data voltage; a single gate of a driving transistor connected to the first switching element and the second switching element, wherein the driving transistor is driven based on the first data voltage and the second data voltage; an organic light emitting diode connected to the driving transistor, wherein the organic light emitting diode emits light based on an output of the driving transistor; a first gate line connected to a control terminal of the first switching element and which transmits a first gate voltage; and a second gate line connected to a control terminal of the second switching element and which transmits a second gate voltage, wherein a unit frame is divided into a plurality of sub-frames, each of the plurality of sub-frames having a same time span, at least one of the gate-on voltage of the first gate voltage and the gate-on voltage of the second gate voltage is applied in each sub-frame, in each of at least two of sub-frames, a time span from a rising edge of the gate-on voltage of the first gate voltage to a rising edge of the gate-on voltage of the second gate voltage in a same sub-frame is at least 1/32 of a time span of one sub-frame, and wherein a gate-on voltage of the first gate voltage and a gate-on voltage of the second gate voltage in each of the at least two of sub-frames do not overlap each other.