| 摘要 |
In the present invention, a pixel is composed of a switching device and a light-emitting device and a plurality of source signal lines are provided for one column of pixels. The input terminal of the switching device is connected to one of the source signal lines and the output terminal of the switching device is connected to the light-emitting device, so that a light can be emitted when the switching device is turned on. By having plural rows of pixels emit lights at the same time, the emission time can be elongated. Consequently, life of the device can be prolonged and electric power consumption can be reduced.
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