Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Reexamination Certificate
2008-07-08
2008-07-08
Koslow, C. Melissa (Department: 1793)
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
C313S582000, C313S584000, C313S486000
Reexamination Certificate
active
07396489
ABSTRACT:
A plasma display device including a green phosphor of which brightness is hardly deteriorated and a production method therefore are disclosed. The plasma display device comprises a plasma display panel in which a plurality of discharge cells of one color or a plurality of colors are disposed, red phosphor layers110R, green phosphor layers110G, and blue phosphor layers110B are arranged correspondingly to the respective discharge cells, and the red phosphor layers110R, the green phosphor layers110G, and the blue phosphor layers110B are excited by ultraviolet rays to emit light. The green phosphor layers110G include a green phosphor expressed by (Ma-x-yEuxTby)O.MgO.2SiO2(here, M is at least one element selected from Ca, Sr, and Ba).
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Aoki Masaki
Hibino Junichi
Horikawa Keiji
Miyamae Yuichiro
Setoguchi Hiroshi
Koslow C. Melissa
Matsushita Electric - Industrial Co., Ltd.
Steptoe & Johnson LLP
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