Pigment-attached blue-emitting phosphor and color cathode-ray tu

Details Pigment-attached blue-emitting phosphor and color cathode-ray tu Pigment-attached blue-emitting phosphor and color cathode-ray tu

1993-02-03

1994-11-29

Cooper, Jack

Electric lamp and discharge devices

Cathode ray tube

Screen

106426, 106480, 106481, 2523014R, 2523014F, 2523014H, 2523014S, 2523015, 2523016F, 2523016S, 427 64, 427 68, 427219, 428404, C09K 1102

Patent

active

053693310

ABSTRACT:
The present invention provides a pigment-attached blue-emitting phosphor having attached a blue pigment which has fastness and chemical stability and is excellent in reflection spectrum characteristics, and a color cathode-ray tube having a blue-emitting fluorescent layer containing the blue pigment formed on the inner surface of a face plate.
The present invention also provides a pigment-attached blue-emitting phosphor having a CoO.ZnO.SiO.sub.2 type blue pigment attached thereto, and a color cathode-ray tube provided with a blue-emitting fluorescent layer containing the blue pigment particles on the inner surface of a face plate.

REFERENCES:
patent: 3483416 (1969-12-01), Vermeulen
patent: 3886394 (1975-05-01), Lipp
patent: 4544605 (1985-10-01), Miyazaki et al.
patent: 4690832 (1987-09-01), Yale

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