ELECTRON BEAM EXCITED PHOSPHOR OR PHOSPHOR FILM AND COLOR DISPLAY UNIT UTILIZING THE SAME

Title:

ELECTRON BEAM EXCITED PHOSPHOR OR PHOSPHOR FILM AND COLOR DISPLAY UNIT UTILIZING THE SAME

Document Type and Number:

WIPO Patent Application WO/2006/013777

Kind Code:

A1

Abstract:

An electron beam excited phosphor that even when the excitation density of electron beams for phosphor excitation is increased, is capable of sustaining high luminance with a lowering of luminous efficiency minimized. Phosphor of the composition formula Ca_0.985SiAlN₃:Eu_0.015 is produced by a process comprising providing Ca₃N₂(2N), AlN(3N), Si₃N₄(3N) and Eu₂O₃(3N) as raw materials; conducting weighing and mixing so that the molar ratio of elements satisfies the relationship (Ca+Eu):Al:Si=1:1:1; firing the mixture by holding it in an inert atmosphere at 1500&ring C for 3 hr; and pulverizing the fired mixture.

Inventors:

GOTOH MASAHIRO (JP)
NAGATOMI AKIRA (JP)
SAKANE KENJI (JP)
YAMASHITA SHUJI (JP)

Application Number:

PCT/JP2005/013838

Publication Date:

February 09, 2006

Filing Date:

July 28, 2005

Export Citation:

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Assignee:

DOWA MINING CO (JP)
GOTOH MASAHIRO (JP)
NAGATOMI AKIRA (JP)
SAKANE KENJI (JP)
YAMASHITA SHUJI (JP)

International Classes:

C09K11/64; C09K11/66; H01J29/20; (IPC1-7): C09K11/64

Foreign References:

JP2003124527A	2003-04-25
JP2002363554A	2002-12-18
JP2003336059A	2003-11-28

Other References: