Thin film electroluminescent device

Details Thin film electroluminescent device Thin film electroluminescent device

1987-03-18

1988-09-13

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of inorganic material

428691, 25230145, 313503, C09K 1146, B32B 516

Patent

active

047709502

ABSTRACT:
A thin film luminescent device comprises a luminescent layer which consists essentially of a luminous matrix compound of an alkaline earth metal sulfide, a luminescent center element of the rare earth elements embedded in the matrix compound, and additives of copper incorporated in the matrix compound. The content of copper is not more than 1 wt % with respect to the amount of the alkaline earth metal sulfide in the thin film luminescent layer.

REFERENCES:
patent: 4082889 (1978-04-01), DiStefano
patent: 4264677 (1981-04-01), Koyama et al.
patent: 4661373 (1987-04-01), Kato et al.

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