Far-red emitting phosphor for cathode ray tubes

Details Far-red emitting phosphor for cathode ray tubes Far-red emitting phosphor for cathode ray tubes

1993-12-21

1996-04-30

Bonner, C. Melissa

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C09K 1180

Patent

active

055122108

ABSTRACT:
A far-red emitting phosphor for cathode ray tubes used in liquid crystal light valves comprises Y.sub.3-y Gd.sub.y Al.sub.5-x Ga.sub.x -O.sub.12 :A, where x ranges from 0 to 5, y ranges from 0 to 3, and A is selected from the group consisting of chromium, iron, vanadium, neodymium, dysprostum, cobalt, nickel, titanium or combination thereof.

REFERENCES:
patent: 4315832 (1982-02-01), Pastor et al.
patent: 5318722 (1994-06-01), Tsoukala et al.
Burns et al "Physical Review" vol. 139, No. 5A, pp. 1687-1693 (1965). No month.
Wood et al "J. of Chem Phys" vol. 39, No. 4, pp. 890-898 (1963). No month.
Sevastiyanov et al "Chem Abstr.", vol 78, 1973, 166773q. No month.
Nippon "Chem Abstr.", vol. 94, 1981, 217409R. No month.

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