PIXEL, DISPLAY DEVICE COMPRISING THE SAME AND DRIVING METHOD THEREOF

摘要

According to an embodiment of the present invention, a display device includes a plurality of pixels and a pixel current detection unit. Each pixel includes: a first capacitor which is connected between a data line and a first node; a switching transistor which connects the first node and a second node; a second capacitor which is connected between the second node and a third node; a driving transistor which controls driving current flowing from a first power voltage to an organic light emitting diode as the third node is connected with a gate electrode; a reference voltage transistor which transmits a reference voltage to the first node; and a sensing transistor which provides test signals to the organic light emitting diode as a sensing line is connected with the gate electrode. The pixel current detection unit detects pixel current flowing on the organic light emitting diode by the test signals when the sensing transistor is turned on.