Electroluminescent phosphor

Details Electroluminescent phosphor Electroluminescent phosphor

2007-08-28

2007-08-28

Koslow, C. Melissa (Department: 1755)

Compositions

Inorganic luminescent compositions

Zinc or cadmium containing

Reexamination Certificate

active

10905321

ABSTRACT:
The electroluminescent phosphor of this invention is comprised of zinc sulfide activated with copper and iodine and may produce an emission with an x color coordinate from 0.145 to 0.155 and a y color coordinate from 0.085 to 0.095. The phosphor preferably contains from about 0.08 to about 0.90 weight percent (wt. %) copper.

REFERENCES:
patent: 3497749 (1970-02-01), Bushey
patent: 3655575 (1972-04-01), Faria et al.
patent: 2002/0113226 (2002-08-01), Takehara et al.
patent: 2003/0230741 (2003-12-01), Fan et al.
patent: 1 006 170 (2003-10-01), None
patent: 1088318 (1967-10-01), None
patent: 54-14666 (1979-02-01), None
Abstract, JP54-14666, Feb. 3, 1979.
A.J.Steckl et al., Multiple color capability from rare-earth doped gallium nitride, Materials Science and Engineering BS1 (2001) 97-101.

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