Electroluminescent thin film device

Details Electroluminescent thin film device Electroluminescent thin film device

1980-05-20

1982-08-03

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313509, H05B 3302, H05B 3322

Patent

active

043429459

ABSTRACT:
Disclosed is an electrode for use with thin film devices. An active matrix display incorporating the electrode includes a thin film electroluminescent emitter, an upper dielectric layer deposited on an upper surface of the film, a lower dielectric layer deposited on a lower surface of the film, a plurality of parallel, transparent upper electrodes disposed on the upper dielectric layer, a plurality of parallel lower electrodes disposed on the lower dielectric layer, each lower electrode including an energizing strip disposed sufficiently close to the lower surface to activate the film in conjunction with the upper electrodes, and a coupling strip, spaced sufficiently from the film to resist the effects of electrical breakdown in the film, for connecting the lower electrode to an external component. The display further includes an insulating strip of photoresist separating the coupling strip of each lower electrode from the film and a transparent substrate disposed over the upper electrodes.

REFERENCES:
patent: 2874308 (1959-02-01), Livingston
patent: 2919366 (1959-12-01), Mash

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