Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Patent
1994-12-30
1997-04-29
Bonner, C. Melissa
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
427 67, 427 71, 313486, 313489, C09K 1159, H01J 6306
Patent
active
056246021
ABSTRACT:
The maintenance of a fluorescent lamp containing terbium-activated cerium magnesium aluminate phosphor is improved by combining the phosphor with a small particle size aluminum oxide and wet-milling the phosphor/aluminum oxide mixture before applying the phosphor to the interior of a fluorescent lamp envelope.
REFERENCES:
patent: 3856550 (1974-12-01), Bens et al.
patent: 4096088 (1978-06-01), Ranby et al.
patent: 4576833 (1986-03-01), Scholten et al.
patent: 4840747 (1989-06-01), Fan et al.
patent: 5358734 (1994-10-01), Lenox et al.
Lenox Joseph J.
Manahan Richard I.
Bonner C. Melissa
Clark Robert F.
Levy Elizabeth A.
Osram Sylvania Inc.
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