Water-soluble phosphor material for color picture tubes and a pr

Details Water-soluble phosphor material for color picture tubes and a pr Water-soluble phosphor material for color picture tubes and a pr

1998-05-13

1999-10-19

Koslow, C. Melissa

Compositions

Inorganic luminescent compositions

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

25230136, 428403, 428404, C09K 1102, C09K 1162, C09K 1155

Patent

active

059684151

ABSTRACT:
The present invention provides a water-soluble gallate phosphor material with excellent luminous characteristics and a process for manufacturing of color CRT using the same material as above. The process improves luminous efficiency and color reproduction region and increases resolution due to decrease in electron spot from the current reduction by electron beams in luminance on the same phosphor screen, by introduction of the electrophotographic dry screening process without using water.

REFERENCES:
patent: 3576757 (1971-04-01), Brown, Jr.
patent: 4100454 (1978-07-01), Hase et al.
patent: 5162930 (1992-11-01), Sluzky et al.
patent: 5723070 (1998-03-01), Kim et al.
Chemical Abstracts 89:50902. 1978 no month.
Chemical Abstracts 83:155057. 1974 no month.
Postolov, "Synthesis and Luminescence Properties of Certain Alkali-Metal Gallates", Bull. Acad. Sci. USSR, Pys. Ser. (USA), vol. 38, No. 6, Jun. 1974.

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