| 摘要 |
A video signal line receives a voltage video signal. The supplied voltage video signal is provided to a voltage-current conversion circuit in a corresponding column. The voltage-current conversion circuit converts the voltage video signal into a current signal, and supplies the current signal to a corresponding pixel circuit. Each voltage-current conversion circuit includes an output transistor for supplying current in accordance with the voltage video signal, and a compensation circuit for compensating for variations in threshold of the output transistor.
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