PHOSPHOR

A phosphor having an elemental composition represented by the following composition formula: SryMg(1-x)MxAlzO(1+y+1.5z) (1), in the formula (1), M represents at least one metal element selected from the group consisting of manganese, cerium, praseodymium, neodymium, samarium, europium, gadolinium, t...

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Bibliographische Detailangaben
Hauptverfasser: IWASAKI, Kentaro, KANNAMI, Masaki, NAITO, Shota
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A phosphor having an elemental composition represented by the following composition formula: SryMg(1-x)MxAlzO(1+y+1.5z) (1), in the formula (1), M represents at least one metal element selected from the group consisting of manganese, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, thulium, and ytterbium, x represents a value of 0.01 ≤ x ≤ 0.8, y represents a value of 1 ≤ y ≤ 2, and z represents a value of 10 ≤ z ≤ 22, wherein a full width at half maximum of an XRD peak at 2θ = 31.7° ± 0.5 is less than 0.207.