| 摘要 |
An organic light emitting display including pixels, each including an organic light emitting diode and a pixel circuit for controlling a supply of an electric current to the organic light emitting diode; and a sensing unit for converting a voltage applied to the organic light emitting diode to a digital value during a sensing period during a sampling period, and for sinking a second current from the pixel corresponding to the digital value to compensate a degradation of the organic light emitting diode during a sampling period.
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