Organic light emitting display device, driving method thereof, and manufacturing method thereof

An organic light emitting diode (OLED) display, comprising:

• an OLED;
• a first transistor for transmitting a data signal in response to a current scan signal;
• a second transistor for generating a driving current of the OLED according to the data signal;
• a first capacitor for storing the data signal;
• a second capacitor for shielding parasitic capacitance between a gate electrode of the second transistor and a cathode of the OLED;
• a third transistor for compensating the threshold voltage of the second transistor in response to the current scan signal;
• a fourth transistor for initializing the data signal stored in the first and second capacitors in response to a previous scan signal;
• a fifth transistor for providing a driving voltage to the second transistor in response to a current light emitting signal;
• and
• a sixth transistor for transmitting the driving current to the OLED in response to the current light emitting signal.

A method of driving an organic light emitting diode (OLED) display, the method comprising:

• sequentially inputting data to each pixel of a pixel array, each pixel comprising:
• an OLED,
• a first transistor for transmitting a data signal in response to a current scan signal,
• a second transistor for generating a driving current of the OLED according to the data signal,
• a first capacitor for storing the data signal, and
• a second capacitor for shielding parasitic capacitance between a gate electrode of the second transistor and a cathode of the OLED;
• and
• simultaneously emitting light of the respective pixels by changing power applied to the cathode,
• wherein the pixel further includes:
• a third transistor for compensating the threshold voltage of the second transistor in response to the current scan signal;
• a fourth transistor for initializing the data signal stored in the first and second capacitors in response to a previous scan signal;
• a fifth transistor for providing a driving voltage to the second transistor in response to a current light emitting signal;
• and
• a sixth transistor for transmitting the driving current to the OLED in response to the current light emitting signal.