JP2020517790A - 窒化物蛍光物質および当該蛍光物質を含む発光装置 - Google Patents
窒化物蛍光物質および当該蛍光物質を含む発光装置 Download PDFInfo
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Abstract
Description
以下は、本発明の実施例および実施形態であり、本発明に係る窒化物蛍光物質およびその発光装置を説明するものに過ぎず、本発明は当該実施例および実施形態に限定されない。
本実施例に係る窒化物蛍光物質は、分析の結果、当該蛍光物質の化学式はCa0.963AlSiN3:0.03Er、0.006Euであった。
本実施例に係る窒化物蛍光物質は、分析の結果、当該蛍光物質の化学式は(Ca0.15、Sr0.81)AlSiN3:0.01Er、0.02Euであった。
本実施例に係る窒化物蛍光物質は、分析の結果、当該蛍光物質の化学式はCa0.953AlSiN3:0.007Eu、0.03Er、0.01Ceであった。
本実施例に係る窒化物蛍光物質は、分析の結果、当該蛍光物質の化学式はCa0.899AlSiN3:0.05Yb、0.06Crであった。
以下の実施例5−22の窒化物蛍光物質は、以下の表1に示す実施例5−22の一般式における化学量論比に従って、Ca3N2、Sr2N、AlN、Si3N4、EuN、CeO2、Nd2O3およびFe2O3をグローブボックス内で正確に称量し、上記原料を混合タンクに入れてミキサーで5h混合し、取り出して篩にかけ、混合後の原料を1800℃、窒素ガス雰囲気で13h焼成して焼成品を取得し、焼成品に対して粉砕、篩分け、水洗、フィルム被覆、乾燥を行って、実施例5−22の化学式を有するサンプルを取得した。
Claims (10)
- 窒化物蛍光物質であって、
前記窒化物蛍光物質は、化学式がMmAlxSiyN3:aR、bEu、cCeである化合物を含み、
前記M元素は、Ca元素および/またはSr元素であり、
前記R元素は、Er元素、Nd元素、Yb元素、Cr元素およびFe元素のうちの少なくとも一種であり、
前記パラメータm、x、y、a、bおよびcは、0.8≦m≦1.0、0.9≦x≦1.1、0.9≦y≦1.1、0.001≦a≦0.20、0≦b≦0.20、および、0≦c≦0.1を満たすことを特徴とする窒化物蛍光物質。 - 前記蛍光物質は、CaAlSiN3と同じ結晶構造を有することを特徴とする請求項1に記載の窒化物蛍光物質。
- 前記M元素はCa元素およびSr元素であり、且つ前記Ca元素の前記M元素に対するモル比は0.8以上であることを特徴とする請求項1または2に記載の窒化物蛍光物質。
- 前記パラメータbおよびcは、0.001≦b≦0.10、および、0.001≦c≦0.05を満たし、好ましくは、3≦b/c≦6を満たすことを特徴とする請求項1から3の何れか一項に記載の窒化物蛍光物質。
- 前記パラメータxおよびyは、1≦y/x≦1.3を満たすことを特徴とする請求項1から4の何れか一項に記載の窒化物蛍光物質。
- 前記M元素は、Ca元素であり、前記R元素は、Er元素であることを特徴とする請求項1から5の何れか一項に記載の窒化物蛍光物質。
- 請求項1から6の何れか一項に記載の窒化物蛍光物質および励起光源を少なくとも含む発光装置。
- 前記励起光源の放射波長は、360〜480nmであることを特徴とする請求項7に記載の発光装置。
- 前記励起光源は、紫色・近紫外光半導体チップ、または青色半導体チップであることを特徴とする請求項8に記載の発光装置。
- 前記励起光源は、390〜430nmの放射波長範囲の紫色・近紫外光半導体チップであり、または、前記励起光源は、430〜470nmの放射波長範囲の青色半導体チップであることを特徴とする請求項7から9の何れか一項に記載の発光装置。
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PCT/CN2018/105574 WO2019062557A1 (zh) | 2017-09-30 | 2018-09-13 | 一种氮化物荧光物质及含有该荧光物质的发光装置 |
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JP2006008721A (ja) * | 2003-11-26 | 2006-01-12 | National Institute For Materials Science | 蛍光体と蛍光体を用いた発光器具 |
WO2006117984A1 (ja) * | 2005-04-27 | 2006-11-09 | Nichia Corporation | 窒化物蛍光体及びそれを用いた発光装置 |
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CN103131410A (zh) | 2005-04-01 | 2013-06-05 | 三菱化学株式会社 | 无机功能材料原料用合金粉末及荧光体 |
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CN100540755C (zh) | 2007-05-10 | 2009-09-16 | 中国科学院安徽光学精密机械研究所 | 高效抗辐射Yb3+敏化Er3+的含钪石榴石激光晶体及其制备方法 |
CN101805610B (zh) * | 2010-04-07 | 2013-08-28 | 江苏博睿光电有限公司 | 一种led氮化物荧光粉及其制备方法 |
JP2012207228A (ja) | 2012-07-09 | 2012-10-25 | Mitsubishi Chemicals Corp | 蛍光体及びそれを使用した発光装置 |
CN103113884A (zh) * | 2013-02-05 | 2013-05-22 | 江门市远大发光材料有限公司 | 一种基于氮化物红色荧光粉的led植物生长灯 |
JP6354325B2 (ja) * | 2014-05-21 | 2018-07-11 | 宇部興産株式会社 | 窒化物蛍光体粉末の製造方法、および顔料の製造方法 |
CN105305952A (zh) | 2014-09-20 | 2016-02-03 | 张国柱 | 一种增加光伏板发电量的方法及其专用增效玻璃板和外支撑增效玻璃板的装置 |
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