| 摘要 |
PURPOSE: An organic light emitting diode display apparatus and a driving method thereof are provided to generate an accurate sensing current value regardless of a level of low potential driving voltage applied to an OLED(Organic Light Emitting Display) using two operational amplifier(OP AMP) blocks. CONSTITUTION: A digital estimated current value corresponding to pixel data is computed. An OLED(Organic Light Emitting Display) drive current by the pixel data is detected. A digital sensing current value is detected(S23). A digital brightness control value is generated. An output level of a high potential gamma power source is controlled. |
