An organic light emitting display device, comprising: a display panel including data lines, first and second gate lines (GL1, GL2) and a plurality of pixels, each pixel being defined at an intersection of a data line and first and second gate lines (GL1, GL2); a gate driving circuit (130, 140) electrically connected to the first and second gate lines (GL1, GL2); wherein each pixel includes a driving transistor and an organic light emitting diode (OLED), the driving transistor being configured to supply current to the organic light emitting diode (OLED), and the driving transistor having a threshold voltage; wherein a range of compensation for the threshold voltage of the driving transistor has at least one of an upper voltage limit and a lower voltage limit, and an analogue digital converter being configured to sense the threshold voltage of each driving transistor; the organic light emitting display device being characterized in that it further comprises a recovery driving circuit configured when a power-off signal of the display panel is input and when the threshold voltage of a driving transistor is outside of the range of compensation to apply a first voltage to a first node of said driving transistor and to apply a second voltage to a second node of said driving transistor until the threshold voltage of said driving transistor is back within the range of compensation, wherein the first voltage is lower than the second voltage when the threshold voltage of said driving transistor is above the upper voltage limit and the first voltage is greater than the second voltage when the threshold voltage of said driving transistor is below the lower voltage limit, and subsequently apply a ground voltage to all nodes of said driving transistor, wherein the first node corresponds to a gate of said driving transistor, and the second node is electrically connected to an anode or cathode of the organic light emitting diode (OLED). a display panel including data lines, first and second gate lines (GL1, GL2) and a plurality of pixels, each pixel being defined at an intersection of a data line and first and second gate lines (GL1, GL2); a gate driving circuit (130, 140) electrically connected to the first and second gate lines (GL1, GL2); wherein each pixel includes a driving transistor and an organic light emitting diode (OLED), the driving transistor being configured to supply current to the organic light emitting diode (OLED), and the driving transistor having a threshold voltage; wherein a range of compensation for the threshold voltage of the driving transistor has at least one of an upper voltage limit and a lower voltage limit, and an analogue digital converter being configured to sense the threshold voltage of each driving transistor; the organic light emitting display device being characterized in that it further comprises a recovery driving circuit configured when a power-off signal of the display panel is input and when the threshold voltage of a driving transistor is outside of the range of compensation to apply a first voltage to a first node of said driving transistor and to apply a second voltage to a second node of said driving transistor until the threshold voltage of said driving transistor is back within the range of compensation, wherein the first voltage is lower than the second voltage when the threshold voltage of said driving transistor is above the upper voltage limit and the first voltage is greater than the second voltage when the threshold voltage of said driving transistor is below the lower voltage limit, and subsequently apply a ground voltage to all nodes of said driving transistor, wherein the first node corresponds to a gate of said driving transistor, and the second node is electrically connected to an anode or cathode of the organic light emitting diode (OLED).