Operating circuit for electroluminescent panel

Details Operating circuit for electroluminescent panel Operating circuit for electroluminescent panel

1994-10-19

1996-07-02

Gonzalez, Frank

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315283, 315241R, 315243, G09G 310

Patent

active

055325530

ABSTRACT:
The light output of an electroluminescent panel is increased by using resonant transformation to increase the operating voltage across the panel to a level greater than the source or input voltage. This is accomplished by connecting the electroluminescent panel into a series resonant circuit whose capacitance value is made up at least in part of the intrinsic capacitance of the electroluminescent panel itself, and by choosing the inductance and capacitance values of the series resonant circuit to produce the desired output voltage across the electroluminescent panel. The resulting circuit is simple and low in cost, does not significantly add to the operating losses of the system, and takes advantage of the intrinsic capacitance of the panel in providing the desired resonant transformation.

REFERENCES:
patent: 3749977 (1973-07-01), Silker
patent: 4253097 (1981-02-01), Hochstrate
patent: 4890041 (1989-12-01), Nuckolls et al.
patent: 5345146 (1994-09-01), Koenck et al.

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