Color cathode-ray tube, and surface-treated phosphor and method

Details Color cathode-ray tube, and surface-treated phosphor and method Color cathode-ray tube, and surface-treated phosphor and method

1991-05-16

1994-04-19

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Screen

313486, 313489, H01J 2920

Patent

active

053048890

ABSTRACT:
A color cathode-ray tube having a fluorescent screen of red-, blue- and green-emitting phosphors as image elements of a fluorescent layer, wherein at least one of said phosphors is coated with a double oxide of zinc and aluminum.

REFERENCES:
patent: 4797594 (1989-01-01), Sigai et al.
patent: 4946707 (1990-08-01), Kasenga et al.
patent: 5032316 (1991-07-01), Takahashi et al.
World Patents Index Latest, 91-041133, & JP-A-2 308 892, Dec. 21, 1990, "Phosphor For Colour TV Cathode Ray Tube- Has Surface Coated With Silica, Zinc Silicate, Zinc (Hydr)Oxide".
Patent Abstracts of Japan, vol. 13, No. 151, Apr. 12, 1989, & JP-A-63 308 088, Dec. 15, 1988, M. Hideji, et al., "Fluorescent Material".

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