| 摘要 |
A pixel of an organic light emitting display includes an OLED having a cathode electrode coupled to a second power source, a second transistor having a second electrode coupled to an anode electrode of the OLED, the second transistor being for supplying current to the OLED, a first transistor coupled between a data line and a gate electrode of the second transistor, the first transistor configured to turn on when a scan signal is supplied to a scan line, a third transistor coupled between a first electrode of the second transistor and a first power source, the third transistor configured to turn off when an emission control signal is supplied to an emission control line, and a storage capacitor coupled between the gate electrode and first electrode of the second transistor. The voltage of the data signal is equal to or lower than a threshold voltage of the OLED.
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