Patent ID: 8817008
Filing Date: 2014-08-26
Classification: G09G

Abstract:
1. A pixel comprising: an organic light emitting diode, a cathode electrode of the organic light emitting diode being directly connected to a second power source; a first transistor for controlling an amount of current flowing from a first power source to the second power source via the organic light emitting diode; a second transistor directly connected between a data line and a first electrode of the first transistor, the second transistor being configured to turn on when a scan signal is supplied to an i-th scan line; a storage capacitor directly connected between the first power source and a gate electrode of the first transistor; a plurality of third transistors coupled between the gate electrode and a second electrode of the first transistor, the third transistors being configured to turn on when the scan signal is supplied to the i-th scan line; a plurality of fourth transistors directly connected between the gate electrode of the first transistor and an initialization power source, the fourth transistors being configured to turn on when the scan signal is supplied to an (i-1)th scan line; and a leakage current prevention unit for supplying a reference voltage to a first common terminal between the third transistors and to a second common terminal between the fourth transistors, wherein the first common terminal is directly connected to the second common terminal.