Boron oxide coated phosphor and method of making same

Details Boron oxide coated phosphor and method of making same Boron oxide coated phosphor and method of making same

1998-08-19

1999-11-16

Koslow, C. Melissa

Compositions

Inorganic luminescent compositions

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

2523014H, 2523014R, 2523014P, 2523015, 2523016R, 25230165, 2523016P, 2523044S, 428403, 428404, 427 70, 427213, 427215, 427255, 4272553, C09K 1102, C23C 410, C23C 1640, B05D 1902, B05D 1522

Patent

active

059851759

ABSTRACT:
A method for forming a continuous, conformal non-particulate coating of boron oxide on individual phosphor particles is provided. The method involves reacting a boron-containing precursor with an oxidizing gas in a fluidized bed of phosphor particles. The boron oxide coated phosphor exhibits an increased quantum efficiency under ultraviolet (UV) and vacuum ultraviolet (VUV) excitation.

REFERENCES:
patent: 3897355 (1975-07-01), Arendt et al.
patent: 4585673 (1986-04-01), Sigai
patent: 4979830 (1990-12-01), Munn et al.
patent: 5080928 (1992-01-01), Klinedinst et al.
patent: 5118529 (1992-06-01), Klinedinst
patent: 5336822 (1994-08-01), Hucul

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