Alpha barium zinc cadmium sulfide phosphors and method

Compositions – Inorganic luminescent compositions – Zinc or cadmium containing

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C09K 1146

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active

039705820

ABSTRACT:
New phosphors which may be activated to luminesce in the red to green portion of the spectrum have an alpha crystal structure isostructural with Ba.sub.2 MnS.sub.3 and the composition

REFERENCES:
patent: 2614082 (1952-10-01), Smith
patent: 3454715 (1969-07-01), Larach et al.
patent: 3602753 (1974-08-01), Evans et al.
Malur, "Zeitschrift fur Chemie", vol. 5, No. 10, 1965, p. 399.
Schmering et al., "Z. Amorg. Allgem, Chem.," 312, pp. 99-109.
Kroger, "Some Aspects of the Luminescence of Solids", 1948, Elsevier Pub. Co. pp. 271, 276, 289, 291, 297.

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