| 摘要 |
According to an embodiment of the present invention, an organic electroluminescent display device comprises: a pixel unit including pixels connected with scanning lines and data lines; a DC-DC converter outputting a first power supply and a second power supply on the pixels; a first power line and a second power line respectively supplying the first power supply and the second power supply outputted from the DC-DC converter to the pixel unit; and a short sensing circuit detecting short between the first power line and the second power line, and outputting a control signal which controls operation of the DC-DC converter, wherein the first power supply and the second power supply are applied for each one frame as voltage level is changed, wherein a backward voltage section in which the voltage level of the second power supply is higher than that of the first power supply is existed in one frame. |
