PHOSPHOR AND LIGHT-EMITTING DEVICE BY USING THE SAME

PROBLEM TO BE SOLVED: To provide a cerium-activated yttrium-aluminum-garnet-based phosphor emitting a yellow color-based light, excellent in temperature characteristics and showing high brightness, a method for producing the phosphor stably, a phosphor-containing composition and a light-emitting dev...

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Bibliographic Details
Main Authors KIJIMA NAOTO, SHIMIZU ETSUO, YOSHINO MASAHIKO
Format Patent
LanguageEnglish
Published 06.03.2008
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:PROBLEM TO BE SOLVED: To provide a cerium-activated yttrium-aluminum-garnet-based phosphor emitting a yellow color-based light, excellent in temperature characteristics and showing high brightness, a method for producing the phosphor stably, a phosphor-containing composition and a light-emitting device by using the same, and an image-display and illuminating device by using the light-emitting device. SOLUTION: This phosphor is provided by having a chemical composition expressed by the following formula [1], and satisfying the following formula [2]. (Ln3-a-bCeaTbb)M5O12---[1]. 86≤äI(125)/I(25)}×100≤110---[2]. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20060229430