| 摘要 |
The display device includes an output circuit, a threshold control circuit which sequentially selects one of a forward bias voltage and a reverse bias voltage, and a power supply control circuit which applies one of the forward bias voltage and the reverse bias voltage which is selected to a gate of a transistor included in the output circuit. Time in which the reverse bias voltage is applied to the gate of the transistor is determined in accordance with time in which the forward bias voltage is applied to the gate of the transistor.
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