Driving circuit for an electric luminescent panel including firs

Details Driving circuit for an electric luminescent panel including firs Driving circuit for an electric luminescent panel including firs

1996-12-18

1999-06-15

Wong, Don

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315171, 315172, H05B 3700

Patent

active

059125357

ABSTRACT:
A circuit driving electric luminescent panel in which the high potential contact of electric luminescent panel is connected to two parallel connected transistors of which the emitter of the first transistor is connected to a current--resisting coil and the positive pole of a diode in order to raise the voltage at the contact of the electric luminescent panel. The first transistor provides, within the time when the signal at its base is low, a negative voltage to increase the peak value-to-peak value voltage across the electric luminescent panel and its luminosity as well. Furthermore, another kind of design concept is presented with which the timing impulse of controlling signals while operation can be governed with its duty to control current consumption.

REFERENCES:
patent: 5172032 (1992-12-01), Alessio
patent: 5502357 (1996-03-01), Kimball

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