Electronic Circuit for Driving Electroluminescent Display

An electronic circuit for driving an electroluminescent display having a plurality of segment electrodes and a common electrode, the circuit comprising a DC supply, an output terminal for each of the segments and common electrodes and at least one supply half-H-bridge for connecting at least one of each of the segment electrodes and the common electrode selectively to one of the DC supply and a reference voltage, each supply half-H-bridge comprising a top switch and a bottom switch in series and having a junction between them, the output terminal of the relevant electrode being connected to the junction, the top switch being connected to the DC supply and the bottom switch being connected to the reference voltage, in which a discharge circuit is provided for selectively discharging the EL display, in which the discharge circuit comprises a discharge half-H-bridge, in which the top switch of the discharge half-H-bridge is connected to the DC supply and to a discharge path.