Luminescent phosphor and methods relating to production thereof

Details Luminescent phosphor and methods relating to production thereof Luminescent phosphor and methods relating to production thereof

1996-05-31

1997-09-02

Bonner, Melissa

Compositions

Inorganic luminescent compositions

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

2523016R, 2523014S, C09K 1178, C09K 1184

Patent

active

056628315

ABSTRACT:
There is disclosed a luminescent phosphor having an average particle size of less than about 3 microns, as well as a bright luminescent phosphor having an average particle size of less than 5 microns and a luminescence of about 10-12 au. The bright luminescent phosphor is made by combing a yttrium or gadolinium host material with a europium dopant in a liquid to form a slurry, and then pulverizing the slurry to less than about 3 microns in average particle size. The pulverized slurry is then heated to yield the bright luminescent phosphor. The bright luminescent phosphor is particularly suited for use in high resolution display screens, and in screens which require low power consumption, such as laptop computers.

REFERENCES:
patent: 5413736 (1995-05-01), Nishisu et al.
patent: 5455489 (1995-10-01), Bhargava

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