Single layer multi-color luminescent display

Details Single layer multi-color luminescent display Single layer multi-color luminescent display

1987-12-31

1991-09-10

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, 313509, 313502, H05B 3314

Patent

active

050476866

ABSTRACT:
The invention is a multi-color luminescent display 10 comprising an insulator substrate 11 and a single layer of host material 13 which may be a phosphor deposited thereon that hosts one or more differential impurities 14, therein forming a pattern of selected and distinctly colored phosphors such as blue, green, and red phosphors in the single layer of host material 13. Transparent electrical conductor means 12 may be provided for subjecting selected portions of the pattern of colored phosphors to an electric field thereby forming a multi-color, single layer electroluminescent display.

REFERENCES:
patent: 3016307 (1962-01-01), Koller et al.
patent: 4689522 (1987-08-01), Robertson
patent: 4733128 (1988-03-01), Tohda et al.
patent: 4862033 (1989-08-01), Migita et al.
Takagi, Toshinori; Yamada, Isao; Sasaki, Akio and Ishibashi, Toyotsugu, "Electroluminescence in Mn-Implanted ZnS Thin Films." Department of Electronics, Kyoto University, May 1987, pp. 51-54.
Proceedings of the S.I.D., vol. 25, No. 1, 1984, Kitai et al., Los Angeles, Calif., 1984, "Two-Color Thin-Film Electroluminescence with Spatially Selective Activator Doping", pp. 3-5.

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