| 摘要 |
PROBLEM TO BE SOLVED: To prevent a scan line driver circuit from being excessively loaded while suppressing the amplitude of a potential of a signal line small of a light-emitting device. SOLUTION: The light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply line having a second potential; a first transistor for controlling a connection between the first power supply line and the light-emitting element; a second transistor, which is controlled in accordance with a video signal, concerning whether outputting the second potential applied from the second power supply line or not; a switching element for selecting either the first potential applied from the first power supply line or the output of the second transistor; and a third transistor for selecting whether the first potential or the output of the second transistor which is selected by the switching element is applied to a gate electrode of the first transistor. COPYRIGHT: (C)2009,JPO&INPIT
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