Flat electroluminescent screen

Details Flat electroluminescent screen Flat electroluminescent screen

1987-08-10

1989-05-09

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313512, 34082581, H05B 3309

Patent

active

048292133

ABSTRACT:
A flat electroluminescent screen comprising a transparent substrate on which are successively deposited a first group of parallel electrodes, said electrodes being transparent, a layer constituted by an electroluminescent material inserted between two dielectric layers and a second group of parallel electrodes, the two groups of electrodes intersecting and defining in the electroluminescent layer a plurality of optical emitters arranged in matrix form, said flat screen also comprising a control circuit for the first electrodes, a control circuit for the second electrodes and a protective counter-plate sealed on said substrate by a sealing band. On its inner face, the counter-plate carries at least one counter-electrode and means are provided so that each counter-electrode is electrically connected to the two ends of an electrode of the substrate.

REFERENCES:
patent: B361347 (1975-01-01), Coderre et al.
patent: 3531585 (1970-10-01), Strain
patent: 3673450 (1972-06-01), Leach

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