An organic light emitting diode display device comprising a display panel including pixels, a gate driver, a data driver and a timing controller, where the pixels comprise: a scan switch configured to apply one of a sensing voltage and a compensation data voltage on a data line (Di) to a first node in response to a scan pulse; a sensing switch configured to apply a reference voltage (Vref) on a sensing line (Si) to a second node in response to a sensing control signal; a storage capacitor (Cst) connected between the first and second nodes (N1, N2); a driving switch configured to adjust a current on the basis of a voltage (Vgs) between the first and second nodes (N1, N2); and an organic light emitting diode (OLED) connected between the second node and a driving voltage (Vss), wherein the organic light emitting diode display device is configured to: in a first initialization interval, apply the compensation data voltage to the first node by turning on the scan switch and apply the reference voltage to the second node by turning on the sensing switch; in a driving switch property compensating interval, increase a voltage on the second node by turning off the sensing switch and driving current through the driving switch; in a second initialization interval, turn off the scan switch and apply the reference voltage to the second node by turning on the sensing switch; and in an organic light emitting diode property tracking interval, increase the voltage of the second node by turning on the scan switch, turning on the sensing switch and driving the driving switch in one of source follower and constant current modes causing an operation voltage of the organic light emitting diode to be stored into the storage capacitor (Cst). a scan switch configured to apply one of a sensing voltage and a compensation data voltage on a data line (Di) to a first node in response to a scan pulse; a sensing switch configured to apply a reference voltage (Vref) on a sensing line (Si) to a second node in response to a sensing control signal; a storage capacitor (Cst) connected between the first and second nodes (N1, N2); a driving switch configured to adjust a current on the basis of a voltage (Vgs) between the first and second nodes (N1, N2); and an organic light emitting diode (OLED) connected between the second node and a driving voltage (Vss), wherein the organic light emitting diode display device is configured to: in a first initialization interval, apply the compensation data voltage to the first node by turning on the scan switch and apply the reference voltage to the second node by turning on the sensing switch; in a driving switch property compensating interval, increase a voltage on the second node by turning off the sensing switch and driving current through the driving switch; in a second initialization interval, turn off the scan switch and apply the reference voltage to the second node by turning on the sensing switch; and in an organic light emitting diode property tracking interval, increase the voltage of the second node by turning on the scan switch, turning on the sensing switch and driving the driving switch in one of source follower and constant current modes causing an operation voltage of the organic light emitting diode to be stored into the storage capacitor (Cst). in a first initialization interval, apply the compensation data voltage to the first node by turning on the scan switch and apply the reference voltage to the second node by turning on the sensing switch; in a driving switch property compensating interval, increase a voltage on the second node by turning off the sensing switch and driving current through the driving switch; in a second initialization interval, turn off the scan switch and apply the reference voltage to the second node by turning on the sensing switch; and in an organic light emitting diode property tracking interval, increase the voltage of the second node by turning on the scan switch, turning on the sensing switch and driving the driving switch in one of source follower and constant current modes causing an operation voltage of the organic light emitting diode to be stored into the storage capacitor (Cst).