| 摘要 |
An electroluminescent device driving circuit comprising first and second switching devices, a dividing capacitor, an electroluminescent device, a driving power supply, and a current limiting resistor disposed in series between the second switching device and the electroluminescent device is described. The electroluminescent device illuminates when the second switching device is in the on-state (closed). When the second switching device is in the off-state (open), however, the electroluminescent device does not emit light. Since a current limiting resistor is disposed in series with the electroluminescent device and the second switching device, the current that flows through the second switching device when the electroluminescent device is illuminated is reduced. Further, in the event that the second switching device is turned off, it is possible to limit the amount of discharging current from a capacitive load.
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