Driver circuit for electroluminescent panel

Details Driver circuit for electroluminescent panel Driver circuit for electroluminescent panel

1993-10-29

1995-08-08

Pascal, Robert J.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315307, 315308, 315314, 315291, 315DIG4, G09G 310

Patent

active

054402085

ABSTRACT:
An electronic device (100) is disclosed including an electroluminescent (EL) backlight panel (140) and an EL driver circuit (210). The EL driver circuit (210) provides power to the EL backlight (140), as well as panel aging compensation and user adjustment capabilities. The EL driver circuit (210) is low-cost, small-size, and designed in such a way to be easily integrated into a custom integrated circuit. A method is provided for controlling and converting power to the EL backlight panel (140).

REFERENCES:
patent: 4107747 (1978-09-01), Holmes
patent: 4277728 (1978-05-01), Stevens
patent: 4443741 (1981-09-01), Tanaka et al.
patent: 4527095 (1984-02-01), Kindlmann
patent: 4769753 (1987-07-01), Knudson et al.
patent: 4845489 (1985-12-01), Hormel
patent: 4982142 (1991-01-01), Pace et al.
patent: 5027040 (1991-06-01), Ikeda et al.
patent: 5345146 (1994-09-01), Koenck et al.

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