Electroluminescent display apparatus having a multi-color illumi

Details Electroluminescent display apparatus having a multi-color illumi Electroluminescent display apparatus having a multi-color illumi

1987-08-17

1989-08-29

Wieder, Kenneth

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313509, 428690, H05B 3314

Patent

active

048620335

ABSTRACT:
A multi-color single layer electroluminescent display apparatus comprising a illuminant layer having been interposed between a pair of electrode layers and having a plurality of activators doped at spatially different locations is disclosed. A process for producing an electroluminescent display apparatus comprising doping with a plurality of activators at spatially different locations on forming a illuminant layer is also disclosed.

REFERENCES:
patent: 4143297 (1979-03-01), Fischer
Proceedings of the S.I.D., vol. 25, No. 1, 1/1984, pp. 3-5, S.I.D., Los Angeles, CA, Kitai et al., "Two-Color Thin-Film Electroluminescence with Spatially Selective Activator Doping".

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