An organic light emitting display device comprising: data lines (D1 to Dm) and auxiliary data lines (RD1 and RD2); scan lines (S1 to Sn+1) and light emission control lines (E1 to En) crossing the data lines (D1 to Dm) and the auxiliary data lines (RD1 and RD2); a display area comprising display pixels at crossing regions of the data lines (D1 to Dm), the scan lines (S1 to Sn+1), and the light emission control lines (E1 to En); a non-display area comprising auxiliary pixels at crossing regions of the auxiliary data lines (RD1 and RD2), the scan lines(S1 to Sn+1), and the light emission control lines (E1 to En); and auxiliary lines connected to the auxiliary pixels, wherein each of the auxiliary pixels comprises: an auxiliary pixel driver configured to supply a driving current to a corresponding one of the auxiliary lines; and an auxiliary transistor connected between the corresponding one of the auxiliary lines and a first power voltage line (VINL1), the auxiliary transistor being configured to transmit a first power voltage from the first power voltage line (VINL1), in response to a control signal, characterized in that the corresponding one of the auxiliary lines is connected to an auxiliary pixel in a p th row from among the auxiliary pixels and crosses display pixels in the p th row from among the display pixels, where p is a positive integer, and wherein the auxiliary pixel in the p th row further comprises an inverter connected between a k+α th light emission control line (Ek+α) from among the light emission control lines and a control electrode of the auxiliary transistor, where α is a positive integer, the inverter being configured: to invert a light emission control signal supplied to the k+α th light emission control line (Ek+α), and to supply an inverted light emission control signal to the control electrode of the auxiliary transistor. data lines (D1 to Dm) and auxiliary data lines (RD1 and RD2); scan lines (S1 to Sn+1) and light emission control lines (E1 to En) crossing the data lines (D1 to Dm) and the auxiliary data lines (RD1 and RD2); a display area comprising display pixels at crossing regions of the data lines (D1 to Dm), the scan lines (S1 to Sn+1), and the light emission control lines (E1 to En); a non-display area comprising auxiliary pixels at crossing regions of the auxiliary data lines (RD1 and RD2), the scan lines(S1 to Sn+1), and the light emission control lines (E1 to En); and auxiliary lines connected to the auxiliary pixels, wherein each of the auxiliary pixels comprises: an auxiliary pixel driver configured to supply a driving current to a corresponding one of the auxiliary lines; and an auxiliary transistor connected between the corresponding one of the auxiliary lines and a first power voltage line (VINL1), the auxiliary transistor being configured to transmit a first power voltage from the first power voltage line (VINL1), in response to a control signal, an auxiliary pixel driver configured to supply a driving current to a corresponding one of the auxiliary lines; and an auxiliary transistor connected between the corresponding one of the auxiliary lines and a first power voltage line (VINL1), the auxiliary transistor being configured to transmit a first power voltage from the first power voltage line (VINL1), in response to a control signal, characterized in that the corresponding one of the auxiliary lines is connected to an auxiliary pixel in a p th row from among the auxiliary pixels and crosses display pixels in the p th row from among the display pixels, where p is a positive integer, and wherein the auxiliary pixel in the p th row further comprises an inverter connected between a k+α th light emission control line (Ek+α) from among the light emission control lines and a control electrode of the auxiliary transistor, where α is a positive integer, the inverter being configured: to invert a light emission control signal supplied to the k+α th light emission control line (Ek+α), and to supply an inverted light emission control signal to the control electrode of the auxiliary transistor. to invert a light emission control signal supplied to the k+α th light emission control line (Ek+α), and to supply an inverted light emission control signal to the control electrode of the auxiliary transistor.