Thin-film electroluminescent device having a dual dielectric str

Details Thin-film electroluminescent device having a dual dielectric str Thin-film electroluminescent device having a dual dielectric str

1991-04-25

1992-11-17

Hille, Rolf

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313503, 313506, H01L 3300

Patent

active

051647990

ABSTRACT:
A thin-film electroluminescent device having a dual dielectric structure, said device comprising a substrate having consecutively thereon a lower electrode, a first dielectric layer, a luminescent layer, a second dielectric layer and an upper electrode, one of a metal oxide film, a metal nitride film and a metal film being interposed either (a) between said luminescent layer and said first dielectric layer or (b) between said luminescent layer and said second dielectric layer or (c) both between said luminescent layer and said first dielectric layer and between said luminescent layer and said second dielectric layer.

REFERENCES:
patent: 4594282 (1986-06-01), Kawaguchi et al.
patent: 4672266 (1987-06-01), Taniguchi et al.
patent: 4721631 (1988-01-01), Endo et al.
patent: 4947081 (1990-08-01), Ohiwa et al.
patent: 4975338 (1990-12-01), Kageyama et al.
patent: 5003221 (1991-03-01), Shimizu
Matsuoka et al., "An AC Thin Film EL Display with Pr-Mn Oxide Black Dielectric Material", IEEE, vol. ED-33, No. 9, Sep. 1986.

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