Patent ID: 7796107

Claim:
An organic light emitting display comprising: scan lines and data lines crossing each other; a red pixel having a red organic light emitting diode, a red pixel switch section, and a red pixel driving circuit; a green pixel having a green organic light emitting diode, a green pixel switch section, and a green pixel driving circuit; a blue pixel having a blue organic light emitting diode, a blue pixel switch section, and a blue pixel driving circuit; wherein the red pixel switch section, the green pixel switch section, and the blue pixel switch section are adapted to transfer a data signal from the data lines according to a scan signal from the scan lines; wherein the red pixel driving circuit, the green pixel driving circuit, and the blue pixel driving circuit are adapted to supply a current to the red organic light emitting diode, the green organic light emitting diode, and the blue organic light emitting diode connected thereto, respectively, according to the data signal from the red pixel switch section, the green pixel switch section, and the blue pixel switch section, respectively, wherein at least one of the red pixel switch section, the green pixel switch section, and the blue pixel switch section has a different number of transistors than at least one other of the red pixel switch section, the green pixel switch section, and the blue pixel switch section.