Method of and apparatus for the energization of electroluminesce

Details Method of and apparatus for the energization of electroluminesce Method of and apparatus for the energization of electroluminesce

1992-03-16

1992-12-15

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315171, 315246, 34082581, H05B 3700

Patent

active

051720329

ABSTRACT:
An electroluminescent lamp is energized by being charged to a first polarity voltage level in step-wise fashion over a first period of time and then being discharged and charged to a second polarity voltage level in a time period which is short when compared to the first time period. The charging and discharging of the lamp is controlled by a pair of interconnected pulse generators which provide command signals to respective solid state switches. An inductance is connected in series with one of the switches and the electroluminescent lamp load and a diode are connected in parallel with the inductance in such a manner that the step-wise charging of the lamp occurs each time the switch connected in series with the inductance is opened.

REFERENCES:
patent: 4527096 (1985-07-01), Kindlmann

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