Patent ID: 8710506

Claim:
A pixel structure of an organic light emitting device, comprising: a first scan line and a second scan line; a data line, crossed to the first scan line and the second scan line; a reference signal line; an emission signal line; a common contact window, being connected to the reference signal line; a first pixel unit and a second pixel unit, each of the first pixel unit and the second pixel unit comprising: a first thin film transistor, having a first gate electrode, a first source electrode, and a first drain electrode, the first gate electrode being electrically connected to the first scan line, the first drain electrode of the first thin film transistor being electrically connected to the reference signal line through the common contact window; a second thin film transistor, having a second gate electrode, a second source electrode, and a second drain electrode, the second gate electrode being electrically connected to the emission signal line; a capacitor, having a first capacitive electrode and a second capacitive electrode, the first capacitive electrode being electrically connected to the first source electrode of the first thin film transistor, and the second capacitive electrode being electrically connected to the second drain electrode of the second thin film transistor; a third thin film transistor, having a third gate electrode, a third source electrode, and a third drain electrode, the third gate electrode being electrically connected to the second scan line, the third drain electrode being electrically connected to the first source electrode of the first thin film transistor; a fourth thin film transistor, having a fourth gate electrode, a fourth source electrode, and a fourth drain electrode, the fourth gate electrode being electrically connected to the first source electrode of the first thin film transistor and the third drain electrode of the third thin film transistor, and the fourth source electrode being electrically connected to the second source electrode of the second thin film transistor; a fifth thin film transistor, having a fifth gate electrode, a fifth source electrode, and a fifth drain electrode, the fifth gate electrode being electrically connected to the emission signal line, the fifth source electrode being electrically connected to the fourth drain electrode of the fourth thin film transistor and the third source electrode of the third thin film transistor; a sixth thin film transistor, having a sixth gate electrode, a sixth source electrode, and a sixth drain electrode, the sixth gate electrode being electrically connected to the second scan line, the sixth source electrode being electrically connected to the data line, and the sixth drain electrode being electrically connected to the second source electrode of the second thin film transistor and the fourth source electrode of the fourth thin film transistor; and an emission device, electrically connected to the drain electrode of the fifth thin film transistor.