JP2008069290A - 板状蛍光体とそれを使用したディスプレイ - Google Patents
板状蛍光体とそれを使用したディスプレイ Download PDFInfo
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Abstract
【解決手段】K2O・Al2O3・2SiO2・xH2Oの組成を有し、六角板状の結晶形態をもつ「リンデQ」型ゼオライトを、希土類金属の可溶性塩の水溶液に浸漬して、ゼオライト中のK+と希土類金属の3価または2価のイオンとのイオン交換を行なったのち、濾過、洗浄、乾燥をへて、200〜900℃の温度で焼成する。蛍光スペクトルのピークは、希土類金属としてEuを用いたものは610nm(赤色)、Tbを用いたものは540nm(緑色)、Tmを用いたものは453nm(青色)。
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Claims (9)
- K2O・Al2O3・2SiO2・xH2Oの組成を有し、六角板状の結晶形態をもつ「リンデQ」型ゼオライトに、少なくとも20%の交換率でイオン交換を行なって希土類元素のイオンを分散させてなり、電子線または紫外線で励起されて蛍光を発する板状蛍光体。
- 希土類元素のイオンがEu3+であり、蛍光のピーク波長が610nm(赤色)である請求項1の板状蛍光体。
- 希土類元素のイオンがTb3+であり、蛍光のピーク波長が540nm(緑色)である請求項1の板状蛍光体。
- 希土類元素のイオンがTm3+であり、蛍光のピーク波長が453nm(青色)である請求項1の板状蛍光体。
- 賦活成分としてGd3+を添加した請求項2の板状蛍光体。
- 請求項1に記載した板状蛍光体を製造する方法であって、「リンデQ」型ゼオライトを希土類金属の可溶性塩の水溶液に浸漬して、ゼオライト中のK+と希土類金属の3価または2価のイオンとのイオン交換を行なって、少なくとも20%の交換率で希土類金属のイオンを存在させたのち、濾過、洗浄、乾燥をへて、200〜900℃の温度で焼成することからなる製造方法。
- 請求項1に記載した板状蛍光体をビヒクルに分散させて形成した塗料を、板状体が基材の面に沿って配向される塗布手段を用いて塗布し、厚さ方向にナノサイズの板状蛍光体が存在する塗膜を得ることからなる板状蛍光体の塗膜形成方法。
- 請求項2に記載した赤色の蛍光を発する板状蛍光体、請求項3に記載した緑色の蛍光を発する板状蛍光体、および請求項4に記載した青色の蛍光を発する板状蛍光体を組み合わせてなるRGB発光体。
- 請求項8のRGB発光体に対して励起手段を与えて構成したディスプレイ。
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011001409A (ja) * | 2009-06-16 | 2011-01-06 | Tochigi Prefecture | 板状蛍光体とその利用 |
JP2011190297A (ja) * | 2010-03-11 | 2011-09-29 | Tochigi Prefecture | 青色に発光する蛍光体とその製造方法および利用 |
ITMI20101250A1 (it) * | 2010-07-07 | 2012-01-08 | Getters Spa | Miglioramenti per fosfori |
DE102011108618A1 (de) | 2010-08-02 | 2012-02-02 | Rengo Co., Ltd. | Photolumineszierendes Material, das Silberionen enthält |
JP2012158500A (ja) * | 2011-02-01 | 2012-08-23 | Tochigi Prefecture | 酸化セリウムナノ粒子がゼオライト中に分散した複合体とその製造方法 |
JP2013079342A (ja) * | 2011-10-04 | 2013-05-02 | Tochigi Prefecture | テルビウムまたはネオジムとセリウムとで共付活した高発光効率の板状蛍光体およびその製造方法 |
WO2014196305A1 (ja) | 2013-06-03 | 2014-12-11 | 第一稀元素化学工業株式会社 | 蛍光体及びその製造方法 |
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JP2002255538A (ja) * | 2000-12-19 | 2002-09-11 | Praxair Technol Inc | 塩添加によるモレキュラーシーブの安定化 |
JP2005048107A (ja) * | 2003-07-30 | 2005-02-24 | Yoshizawa Lime Industry | 蛍光体およびその製造方法 |
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US5382420A (en) * | 1992-09-25 | 1995-01-17 | Exxon Research & Engineering Company | ECR-33: a stabilized rare-earth exchanged Q type zeolite |
JP2002255538A (ja) * | 2000-12-19 | 2002-09-11 | Praxair Technol Inc | 塩添加によるモレキュラーシーブの安定化 |
JP2005048107A (ja) * | 2003-07-30 | 2005-02-24 | Yoshizawa Lime Industry | 蛍光体およびその製造方法 |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011001409A (ja) * | 2009-06-16 | 2011-01-06 | Tochigi Prefecture | 板状蛍光体とその利用 |
JP2011190297A (ja) * | 2010-03-11 | 2011-09-29 | Tochigi Prefecture | 青色に発光する蛍光体とその製造方法および利用 |
JP2013538245A (ja) * | 2010-07-07 | 2013-10-10 | サエス・ゲッターズ・エッセ・ピ・ア | 蛍光体の改良 |
CN102985360B (zh) * | 2010-07-07 | 2015-01-21 | 工程吸气公司 | 对磷光体的改进 |
WO2012004222A3 (en) * | 2010-07-07 | 2012-05-03 | Saes Getters S.P.A. | Improvements to phosphors |
WO2012004222A2 (en) | 2010-07-07 | 2012-01-12 | Saes Getters S.P.A. | Improvements to phosphors |
CN102985360A (zh) * | 2010-07-07 | 2013-03-20 | 工程吸气公司 | 对磷光体的改进 |
KR20130041165A (ko) * | 2010-07-07 | 2013-04-24 | 사에스 게터스 에스.페.아. | 인에 대한 개선 |
KR101647764B1 (ko) | 2010-07-07 | 2016-08-11 | 사에스 게터스 에스.페.아. | 인광체에 대한 개선 |
US8541936B2 (en) | 2010-07-07 | 2013-09-24 | Saes Getters S.P.A. | Composite layer containing a layer of phosphors and related electroluminescent device |
ITMI20101250A1 (it) * | 2010-07-07 | 2012-01-08 | Getters Spa | Miglioramenti per fosfori |
DE102011108618A1 (de) | 2010-08-02 | 2012-02-02 | Rengo Co., Ltd. | Photolumineszierendes Material, das Silberionen enthält |
US8491141B2 (en) | 2010-08-02 | 2013-07-23 | Rengo Co., Ltd. | Photoluminescent material containing silver ion |
JP2012158500A (ja) * | 2011-02-01 | 2012-08-23 | Tochigi Prefecture | 酸化セリウムナノ粒子がゼオライト中に分散した複合体とその製造方法 |
JP2013079342A (ja) * | 2011-10-04 | 2013-05-02 | Tochigi Prefecture | テルビウムまたはネオジムとセリウムとで共付活した高発光効率の板状蛍光体およびその製造方法 |
WO2014196305A1 (ja) | 2013-06-03 | 2014-12-11 | 第一稀元素化学工業株式会社 | 蛍光体及びその製造方法 |
US9809745B2 (en) | 2013-06-03 | 2017-11-07 | Daiichi Kigenso Kagaku Kogyo Co., Ltd. | Phosphor and method for producing same |
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