Phosphor, method of manufacturing same, and plasma display...

Details Phosphor, method of manufacturing same, and plasma display... Phosphor, method of manufacturing same, and plasma display...

2007-11-06

2007-11-06

Koslow, C. Melissa (Department: 1755)

Compositions

Inorganic luminescent compositions

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

C313S582000, C313S584000

Reexamination Certificate

active

10929857

ABSTRACT:
An Eu-activated phosphor that maintains high wavelength conversion efficiency and suppresses deterioration with time due to vacuum ultraviolet irradiation, as well as a plasma display panel having superior display performance by suppressing sticking image caused by deterioration of the phosphor with time is provided. The europium-activated phosphor where a divalent europium ratio of each phosphor particle constituting the phosphor is lower at and in a vicinity of a particle surface than for the particle as a whole.

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