An organic light emitting display, comprising: a scan line (S); a data line (D); and a pixel coupled to the scan line (S) and the data line (D); wherein the pixel comprises: a first switching transistor (SW_TR1) including a control electrode connected to the scan line (S), a first electrode connected to the data line (D), and a second electrode; a driving transistor (DR_TR) including a first electrode connected to a first power supply line, a second electrode connected to a second power supply line, and a control electrode connected to the second electrode of the first switching transistor (SW_TR1); a first storage capacitor including a first electrode connected to the first power supply line, and a second electrode connected to the second electrode of the first switching transistor (SW_TR1); a second switching transistor (SW_TR2) including a first electrode connected to the first power supply line, a second electrode connected to the first electrode of the driving transistor (DR_TR), and a control electrode connected to an emission control line (EM); a second storage capacitor including a first electrode connected to the first electrode of the driving transistor (DR_TR), and a second electrode connected to the second electrode of the first storage capacitor; and an organic light emitting diode (OLED) connected between the second electrode of the driving transistor (DR_TR) and the second power supply line. a scan line (S); a data line (D); and a pixel coupled to the scan line (S) and the data line (D); wherein the pixel comprises: a first switching transistor (SW_TR1) including a control electrode connected to the scan line (S), a first electrode connected to the data line (D), and a second electrode; a driving transistor (DR_TR) including a first electrode connected to a first power supply line, a second electrode connected to a second power supply line, and a control electrode connected to the second electrode of the first switching transistor (SW_TR1); a first storage capacitor including a first electrode connected to the first power supply line, and a second electrode connected to the second electrode of the first switching transistor (SW_TR1); a second switching transistor (SW_TR2) including a first electrode connected to the first power supply line, a second electrode connected to the first electrode of the driving transistor (DR_TR), and a control electrode connected to an emission control line (EM); a second storage capacitor including a first electrode connected to the first electrode of the driving transistor (DR_TR), and a second electrode connected to the second electrode of the first storage capacitor; and an organic light emitting diode (OLED) connected between the second electrode of the driving transistor (DR_TR) and the second power supply line. a first switching transistor (SW_TR1) including a control electrode connected to the scan line (S), a first electrode connected to the data line (D), and a second electrode; a driving transistor (DR_TR) including a first electrode connected to a first power supply line, a second electrode connected to a second power supply line, and a control electrode connected to the second electrode of the first switching transistor (SW_TR1); a first storage capacitor including a first electrode connected to the first power supply line, and a second electrode connected to the second electrode of the first switching transistor (SW_TR1); a second switching transistor (SW_TR2) including a first electrode connected to the first power supply line, a second electrode connected to the first electrode of the driving transistor (DR_TR), and a control electrode connected to an emission control line (EM); a second storage capacitor including a first electrode connected to the first electrode of the driving transistor (DR_TR), and a second electrode connected to the second electrode of the first storage capacitor; and an organic light emitting diode (OLED) connected between the second electrode of the driving transistor (DR_TR) and the second power supply line.