Method and circuit for driving electroluminescent display panels

Details Method and circuit for driving electroluminescent display panels Method and circuit for driving electroluminescent display panels

1982-08-27

1986-06-10

Curtis, Marshall M.

Communications: electrical

Continuously variable indicating

With meter reading

340781, G09G 312

Patent

active

045945896

ABSTRACT:
A method for driving a thin-film electroluminescent (EL) display panel comprises the steps of charging the EL display panel by applying to the EL display panel a voltage of KV.sub.0 where V.sub.0 is a voltage for emitting electroluminescence from the EL display panel and K is more than zero and less than 1, and applying the voltage of V.sub.0 to the EL display panel, whereby the EL display panel is driven with a stepwise driving pulse due to the capacitance feature of the EL display panel. A circuit for enabling the method is also provided.

REFERENCES:
patent: 3975661 (1976-08-01), Kanatani et al.
patent: 4137523 (1979-01-01), Mukaiyama
patent: 4152626 (1979-05-01), Hatta et al.
patent: 4234821 (1980-11-01), Kako et al.
patent: 4237456 (1980-12-01), Kanatani
patent: 4338598 (1982-07-01), Ohba et al.
patent: 4479120 (1984-10-01), Ohba et al.

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