Patent ID: 7460096

Claim:
A display panel of a light emitting display device comprising a plurality of pixel circuits disposed in a matrix format wherein at least one of the pixel circuits comprises: a transistor having a first electrode, a second electrode coupled to a first power source, and a third electrode, the transistor for outputting a current corresponding to a voltage applied between the first and second electrodes to the third electrode; a light emitting element, coupled between the third electrode of the transistor and a second power source, for emitting light in correspondence to an amount of the current outputted by the transistor; a capacitor coupled between the first electrode of the transistor and a third power source; and a switch for transmitting image signals to the first electrode of the transistor in response to an applied select signal, wherein at least one of the first, second, and third power sources provides a variable voltage to allow the light emitting element to emit light at least twice during a data frame period, wherein the data frame period is from after an image signal of the image signals is applied to the at least one of the pixel circuits to before a subsequent image signal of the image signals is applied to the at least one of the pixel circuits, and wherein the second power source alternately provides a voltage which is less than the voltage of the first power source and the voltage of the first power source at least twice during the data frame period.