Patent ID: 7535447

Claim:
An organic light emitting display comprising a first pixel, a second pixel, and a third pixel, each pixel comprising: a first organic light emitting diode (OLED), a second OLED, and a third OLED for emitting red, green, and blue light, respectively; a driving circuit commonly connected to the first, second, and third OLEDs for driving thereof; and a switching circuit connected to the OLEDs and the driving circuit to sequentially control the driving of the first, second, and third OLEDs, wherein the first pixel, the second pixel, and the third pixel are arranged to receive a data signal through a common data line, and an emission order of red, green, and blue light components of the first, second, and third pixels are different from each other, and wherein the driving circuit comprises: a first transistor for receiving a first power source corresponding to a first voltage applied to a gate thereof to selectively supply driving current to the OLEDs; a second transistor for selectively transmitting the data signal to a first electrode of the first transistor according to a first scan signal; a third transistor for selectively permitting a flow of electric current to the first transistor so that the first transistor serves as a diode according to the first scan signal; a capacitor for storing the voltage applied to the gate of the first transistor while a data voltage is applied to the first electrode of the first transistor and for maintaining the stored voltage in the gate of the first transistor in a period when the OLEDs emit light; a fourth transistor for selectively transmitting an initializing signal to the capacitor according to a second scan signal; a fifth transistor for selectively transmitting the first power source to the first transistor according to a first emission control signal; a sixth transistor for selectively transmitting the first power source to the first transistor according to a second emission control signal; and a seventh transistor for selectively transmitting the first power source to the first transistor according to a third emission control signal.