Zinc sulfide electroluminescent phosphor particles and electrolu

Details Zinc sulfide electroluminescent phosphor particles and electrolu Zinc sulfide electroluminescent phosphor particles and electrolu

1993-10-12

1994-05-03

Cooper, Jack

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

2523016S, 428403, 428917, 313503, 313506, H01J 163

Patent

active

053090713

ABSTRACT:
A copper- and/or manganese-activated zinc sulfide electroluminescent phosphor is made by coating particles of a ferroelectric material with a very thin coating of the phosphor. The phosphor is made by reacting zinc- and copper- and/or manganese-containing species with hydrogen sulfide and hydrogen chloride gases in a low-temperature vapor state reaction.

REFERENCES:
patent: 3040202 (1962-06-01), Lehmann
patent: 3264133 (1966-08-01), Brooks
patent: 3471323 (1969-10-01), Yamashita et al.
patent: 5068157 (1991-11-01), Won
patent: 5244750 (1993-09-01), Reilly et al.

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