Green light emitting phosphor

Details Green light emitting phosphor Green light emitting phosphor

1989-10-16

1992-04-14

Cooper, Jack

Compositions

Inorganic luminescent compositions

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

2523014R, C09K 1180

Patent

active

051045737

ABSTRACT:
A green light emitting phosphor comprising tetravalent elements added to a green light emitting phosphor, Y.sub.3 (Al,Ga).sub.5 O.sub.12 :Tb, wherein the green light emitting phosphor can prevent a so-called electron beam burning even when excited by electron beams of high energy. The green light emitting phosphor is, particularly suitable to be applied to a projector tube or a high-brightness phosphor display tube.

REFERENCES:
patent: 3887753 (1975-06-01), Ninagawa et al.
patent: 4093890 (1978-06-01), Verriet et al.
patent: 4707635 (1987-11-01), Tateyama et al.
patent: 4924139 (1990-05-01), Morita et al.
Patent Abstracts of Japan, vol. 11, No. 361 (C-459) [2808], Nov. 25th 1987; of JP-A- 62 131 085 (Hitachi 13/06/1987).

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