WO2009069345A1 - 蛍光体及びこれを用いた発光装置並びに蛍光体の製造方法 - Google Patents

蛍光体及びこれを用いた発光装置並びに蛍光体の製造方法 Download PDF

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Publication number
WO2009069345A1
WO2009069345A1 PCT/JP2008/064761 JP2008064761W WO2009069345A1 WO 2009069345 A1 WO2009069345 A1 WO 2009069345A1 JP 2008064761 W JP2008064761 W JP 2008064761W WO 2009069345 A1 WO2009069345 A1 WO 2009069345A1
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Prior art keywords
phosphor
light
emitting device
producing
disclosed
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PCT/JP2008/064761
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English (en)
French (fr)
Inventor
Shoji Hosokawa
Masatoshi Kameshima
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Nichia Corporation
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Publication date
Application filed by Nichia Corporation filed Critical Nichia Corporation
Priority to JP2009519727A priority Critical patent/JP5544881B2/ja
Priority to CN2008801184541A priority patent/CN101878280B/zh
Priority to US12/734,872 priority patent/US8030839B2/en
Priority to EP08854273A priority patent/EP2216385B1/en
Publication of WO2009069345A1 publication Critical patent/WO2009069345A1/ja

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Abstract

【課題】優れた発光特性を有する白色光に適用可能な、高輝度な緑色光を発光でき、かつ他の部材への不適な影響を低減した蛍光体及びこれを用いた発光装置並びに蛍光体の製造方法を提供する。 【解決手段】ケイ素、マグネシウム及び塩素を含有し、ユーロピウムで付活され緑色光に発光可能な蛍光体は、蛍光体中に含まれる塩素のモル比が、マグネシウムに対して１．０≦Ｃｌ／Ｍｇ≦１．９の範囲であることを特徴とする。このような組成比で塩素を導入することにより、発光特性及びハロゲンの溶出量が改善される。
PCT/JP2008/064761 2007-11-30 2008-08-19 蛍光体及びこれを用いた発光装置並びに蛍光体の製造方法 WO2009069345A1 (ja)

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CN2008801184541A CN101878280B (zh) 2007-11-30 2008-08-19 荧光体及使用其的发光装置以及荧光体的制造方法
US12/734,872 US8030839B2 (en) 2007-11-30 2008-08-19 Phosphor activated with europium, light emitting device using the same and method of manufacturing the phosphor
EP08854273A EP2216385B1 (en) 2007-11-30 2008-08-19 Phosphor, light-emitting device using the same, and method for producing phosphor

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