Readout scheme of a matrix type thin-film EL display panel

Details Readout scheme of a matrix type thin-film EL display panel Readout scheme of a matrix type thin-film EL display panel

1978-07-11

1980-09-30

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

340781, H05B 3308

Patent

active

042258073

ABSTRACT:
Between adjacent matrix type electrodes in a thin-film EL display panel, one of which is transparent, there is disposed an EL layer sandwiched by a pair of dielectric layers, which manifests a hysteresis curve when plotted with respect to the applied voltage vs light intensity characteristics. The thin-film EL display panel is further provided with at least one reference electrode. In reading out the memory state of the display panel, current is derived which has an amplitude equal to the difference between the current drawn through the reference electrode and the readout current.

REFERENCES:
patent: 3975661 (1976-08-01), Kanatani et al.

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