| 摘要 |
An organic light emitting display capable of displaying an image with desired brightness. The organic light emitting display includes a scan driver for supplying a first scan signal to first scan lines, for supplying a second scan signal to second scan lines, and for supplying emission control signals to emission control lines, a data driver for supplying data signals to data lines, horizontal power source lines extending in parallel with the first scan lines at horizontal lines, and configured to receive a fourth voltage in a first period of a period in which the first scan signal is supplied, and configured to receive a third voltage that is lower than the fourth voltage in a second period excluding the first period, and pixels positioned at crossing regions of the first scan lines and the data lines. Each of the pixels includes an OLED, a first transistor, and a storage capacitor.
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