Thin-film EL image display panel with power saving features

Details Thin-film EL image display panel with power saving features Thin-film EL image display panel with power saving features

1980-01-07

1982-07-06

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340781, 340789, 34082581, G09G 330

Patent

active

043385982

ABSTRACT:
A thin-film EL display panel has a plurality of scanning side electrodes and a plurality of data side electrodes. The thin-film EL display panel is excited to emit light through a pre-charge mode, a discharge modulation mode and a write mode. A voltage lower than a modulation voltage is supplied from the data side electrodes to the thin-film EL display panel as a first pre-charge voltage. Thereafter, a difference voltage between the first pre-charge voltage and the modulation voltage is supplied from the scanning side electrodes to the panel as a second pre-charge voltage, thus reducing power consumption to a minimum during the pre-charge mode.

REFERENCES:
patent: 3765011 (1973-10-01), Sawyer et al.
patent: 4152626 (1979-01-01), Hatta et al.
patent: 4237456 (1980-12-01), Kanatani

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