ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND DRIVING METHOD THE SAME

The present invention relates to an OLED display device and a driving method thereof, and each of a plurality of pixels comprising: a light emitting element and a pixel driving circuit driving the light emitting element, wherein the pixel driving circuit includes a driving switching element serially connected between a high potential voltage supply line and a low potential voltage supply line together with the light emitting element; a first switching element connecting a data line to a first node connected to a driving switching element gate in response to a scan signal; a second switching element connecting the first node to a second node connected to an anode of the light emitting element in response to an initializing signal; a third switching element connecting the high potential voltage supply line to a third node connected to a source of the driving switching element in response to a light emitting signal; a first capacitor connected between the high voltage supply line and the third node; and a second capacitor connected between the first and the third node.