A drive device for a light-emitting panel that is capable of adjusting the anode power source voltage to be applied to anode leads of the light-emitting panel to a suitable voltage value with low power consumption and in a reliable fashion. A prescribed anode lead of the anode leads of the light-emitting panel is designated as the anode lead that is to be the subject of detection. The voltage value on this anode lead which is the subject of detection is input as the forward voltage value only while display is being performed in accordance with prescribed information data to cause drive current to be supplied to at least the anode lead that is the subject of detection, and the anode power source voltage is adjusted in accordance with this forward voltage value.

 
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