| 摘要 |
A current driving circuit (40), which uses an output pin for both a first organic EL panel (2) and a second organic EL panel (3), is provided. In the active matrix type first organic EL panel (2), a switch circuit (Sp) is provided for interrupting a driving current when display is not selected, thus, the current driving circuit (40) is not necessarily provided on each of the first and the second organic EL panels and power consumption can be reduced. An analog voltage is generated by a D/A converting circuit (440), by receiving data (DA) in response to either of reset voltages of the first and the second organic EL panels, and the analog voltage is outputted to the output pin (5) through an analog switch (44) which is turned on during a reset period.
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