Improved blue-green emitting ZnS:Cu,Cl electroluminescent phosph

Details Improved blue-green emitting ZnS:Cu,Cl electroluminescent phosph Improved blue-green emitting ZnS:Cu,Cl electroluminescent phosph

1996-04-24

1998-01-27

Bonner, Melissa

Compositions

Inorganic luminescent compositions

Zinc or cadmium containing

313503, 313509, 428690, C09K 1154, C09K 1156

Patent

active

057118981

ABSTRACT:
An improved blue-green emitting ZnS:Cu,Cl phosphor is made by doping the phosphor with small amounts of gold and increasing the amount of low intensity milling between firing steps. The improved phosphor has better halflife and brightness characteristics while maintaining its desired emission color.

REFERENCES:
patent: 4859361 (1989-08-01), Reilly et al.
patent: 5110499 (1992-05-01), Reilly

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