Patent ID: 8736523

Claim:
A pixel circuit comprising: an organic light emitting diode; a fifth NMOS transistor comprising a gate electrode coupled to a third scan line, a first electrode coupled to a reference power source, and a second electrode coupled to a first node; a first capacitor coupled between the first node and a second node; a second capacitor coupled between the first node and an anode of the organic light emitting diode; a fourth NMOS transistor comprising a gate electrode coupled to a second scan line, a first electrode coupled to a data line, and a second electrode coupled to the first node; a sixth NMOS transistor comprising a gate electrode coupled to a first scan line, a first electrode coupled to a first power source, and a second electrode coupled to the second node; a second NMOS transistor comprising a gate electrode coupled to the second scan line, a first electrode coupled to the second node, and a second electrode coupled to a third node; a third NMOS transistor comprising a gate electrode coupled to an emission control line, a first electrode coupled to the first power source, and a second electrode coupled to the third node; and a first NMOS transistor for providing a driving current to the organic light emitting diode, the first NMOS transistor comprising a gate electrode coupled to the second node, a first electrode coupled to the third node, and a second electrode coupled to the anode of the organic light emitting diode.