Electroluminescence display

Details Electroluminescence display Electroluminescence display

1991-12-20

1994-10-25

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, H05B 3300

Patent

active

053592611

ABSTRACT:
An EL lamp having a higher luminescence efficiency and a process for manufacturing the same are provided. The EL element includes an aluminum foil having at least one specularly polished surface, an anodized oxide film formed on the specularly polished surface of the aluminum foil, a light emitting EL layer formed directly on the film, and a transparent electrode formed on the light emitting EL layer. The process for manufacturing an EL lamp includes the steps of polishing specularly at least one of the surfaces of an aluminum foil, forming an anodized oxide film on the specularly polished surface of the aluminum foil, and forming directly on the aluminum oxide film a light emitting EL layer and a transparent electrode.

REFERENCES:
patent: 4751427 (1988-06-01), Burrow et al.
patent: 4777402 (1988-10-01), Mitsumori
patent: 4849672 (1989-07-01), Anderson, Sr.
patent: 4857803 (1989-07-01), Anderson, Sr.
C. T. Chen; "Crystalline Anodic Oxide Growth on Aluminum Foil in an Aqueous Ammonium Dihydrogen Phosphate Anodization Electrolyte"; Jul. 1985; pp. 1567-1574.
D. J. Stirland; "Studies of the Structure of Anodic Oxide Films on Aluminum, I"; Jun. 1959; pp. 481-485.

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