JP2007525552A - 高効率なアルカリ土類金属チオガレートベースの蛍光体 - Google Patents
高効率なアルカリ土類金属チオガレートベースの蛍光体 Download PDFInfo
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- JP2007525552A JP2007525552A JP2006513102A JP2006513102A JP2007525552A JP 2007525552 A JP2007525552 A JP 2007525552A JP 2006513102 A JP2006513102 A JP 2006513102A JP 2006513102 A JP2006513102 A JP 2006513102A JP 2007525552 A JP2007525552 A JP 2007525552A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/7729—Chalcogenides
- C09K11/7731—Chalcogenides with alkaline earth metals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/62—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing gallium, indium or thallium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G15/00—Compounds of gallium, indium or thallium
- C01G15/006—Compounds containing, besides gallium, indium, or thallium, two or more other elements, with the exception of oxygen or hydrogen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/55—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing beryllium, magnesium, alkali metals or alkaline earth metals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7786—Chalcogenides with alkaline earth metals
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Luminescent Compositions (AREA)
Abstract
【選択図】 なし
Description
Sr1−xCaxGa2S4:yEu2+・zGa2S3(I)
式中、xは0.0001〜1であり、yは発光放出を提供するために十分なEu2+を定義する値(または例えばSr1−xCaxGa2S4:yEu2+のモル量に基づいて0.001〜0.1)であり、zはSr1−xCaxGa2S4のモル量に基づいて0.0001〜0.2である。
1)相同定は、存在する相を判定するために、実験データを粉末回折ファイル[Powder Diffraction File,International Centre for Diffraction Data,スワスモア、ペンシルベニア州、米国、毎年刊行]と比較することによって実施した。
2)相が同定されたら、構造情報をICSDデータベースから得た。
3)リートベルトリファインメントは、Materials Data Inc.(リバモア、カリフォルニア州、米国)が製造したJade software v.6.5ソフトウェアパッケージを使用して、実行された。リファインされた構造パラメータは、重量分率、格子パラメータ、およびラインプロフィールシェイプファンクション、機器の系統的誤差、および等方性熱パラメータであった。他の構造パラメータ、例えば原子配置およびサイト占有率は、サンプルが混合物を含有する場合には、これらのパラメータをリファインすべきでないことが、経験により示されたため、リファインされなかった。
Sr(NO3)2+Ca(NO3)2+Eu(NO3)2+(NH4)2CO3→SrxCa1−xCO3↓+Eu(OH)3↓+NH4OH
同時沈殿した炭酸塩は、炭酸塩をその硫酸塩に変換するために、過剰の硫酸アンモニウム(例えば25%モル過剰)を用いて、例えば約200℃にて焼成し、続いて例えば約1100℃のより高温で、焼成することができる。ガリウム塩、例えば硝酸塩の酸性溶液を硫酸塩の溶液に添加できる。pHを中性またはさらに塩基性にして(例えば水酸化アンモニウムを使用して)、粒子を沈殿させることができる。得られた粉末を乾燥、粉砕して、(例えばアルミナ製の)耐火ボートに入れ、硫化水素中で例えば5時間に渡って管状炉内で約800℃にて焼成できる。得られた生成物は式:
Sr1−xCaxGa2S4:yEu2+・zGa2S3 (Ic)
を有し、式中、zは、例えば、0.0001〜0.1(または0.01〜10モルパーセント)である。均一性を高めるために、生成物は、例えば粉砕して粉末として、硫化水素中で約900℃にて約2時間に渡って再焼成してもよい。
Ga(NO3)3+Eu(NO3)3+NH4OH→Ga(OH)3/Eu(OH)3↓(ゲル状)(1)
CaSO4+Ga(OH)3/Eu(OH)3+H2S→CaGa2S4:Eu・xGa2S3 (3)
Claims (8)
- 2価ユウロピウムによってドーピングされ、式中、xは0.0001〜1であり、yは発光放出を提供するために十分なEu2+を定義する値であり、zはSr1−xCaxGa2S4:yEu2+のモル量に基づいて0.0001〜0.2である以下の式:
Sr1−xCaxGa2S4:yEu2+・zGa2S3を有する、ストロンチウムカルシウムチオガレート系蛍光体。 - zが0.001〜0.2である、請求項1に記載の蛍光体。
- zが0.001〜0.1である、請求項1に記載の蛍光体。
- yがSr1−xCaxGa2S4のモル量に基づいて0.001〜0.1である、請求項1に記載の蛍光体。
- yが0.01〜0.08である、請求項4に記載の蛍光体。
- yが0.01〜0.04である、請求項4に記載の蛍光体。
- 蛍光体が535nm〜560nmの発光ピークを有する、請求項1に記載の蛍光体。
- 発光ピークが、440nm±40nmの発光源を用いた励起下で50nm以下の帯域幅を有する、請求項7に記載の蛍光体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US46388303P | 2003-04-21 | 2003-04-21 | |
PCT/US2004/011927 WO2005026285A2 (en) | 2003-04-15 | 2004-04-15 | High efficiency alkaline earth metal thiogallate-based phosphors |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007525552A true JP2007525552A (ja) | 2007-09-06 |
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ID=34312135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006513102A Pending JP2007525552A (ja) | 2003-04-21 | 2004-04-15 | 高効率なアルカリ土類金属チオガレートベースの蛍光体 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7125501B2 (ja) |
EP (1) | EP1615981A4 (ja) |
JP (1) | JP2007525552A (ja) |
KR (1) | KR101119301B1 (ja) |
CN (2) | CN1311052C (ja) |
TW (1) | TW200502360A (ja) |
WO (1) | WO2005026285A2 (ja) |
Cited By (2)
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---|---|---|---|---|
WO2010029654A1 (ja) * | 2008-09-11 | 2010-03-18 | 三井金属鉱業株式会社 | 緑色蛍光体 |
JP2020139056A (ja) * | 2019-02-28 | 2020-09-03 | デクセリアルズ株式会社 | 緑色発光蛍光体及びその製造方法、並びに蛍光体シート、及び発光装置 |
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FR2826016B1 (fr) * | 2001-06-13 | 2004-07-23 | Rhodia Elect & Catalysis | Compose a base d'un alcalino-terreux, de soufre et d'aluminium, de gallium ou d'indium, son procede de preparation et son utilisation comme luminophore |
JP2005063836A (ja) * | 2003-08-13 | 2005-03-10 | Mitsubishi Chemicals Corp | 発光装置及び照明装置ならびに画像表示装置 |
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TWI325441B (en) | 2005-05-24 | 2010-06-01 | Seoul Semiconductor Co Ltd | Green phosphor of thiogallate, red phosphor of alkaline earth sulfide and white light emitting device thereof |
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WO2007105836A1 (en) * | 2006-03-10 | 2007-09-20 | Seoul Semiconductor Co., Ltd. | Thiogallate phosphor and white light emitting device employing the same |
US8323529B2 (en) | 2006-03-16 | 2012-12-04 | Seoul Semiconductor Co., Ltd. | Fluorescent material and light emitting diode using the same |
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JP6256460B2 (ja) * | 2015-12-28 | 2018-01-10 | 日亜化学工業株式会社 | チオガレート系蛍光体の製造方法 |
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2004
- 2004-04-13 US US10/823,267 patent/US7125501B2/en not_active Expired - Lifetime
- 2004-04-15 EP EP04809336A patent/EP1615981A4/en not_active Ceased
- 2004-04-15 TW TW093110572A patent/TW200502360A/zh unknown
- 2004-04-15 CN CNB2004800097745A patent/CN1311052C/zh not_active Expired - Fee Related
- 2004-04-15 KR KR1020057019626A patent/KR101119301B1/ko active IP Right Grant
- 2004-04-15 JP JP2006513102A patent/JP2007525552A/ja active Pending
- 2004-04-15 CN CNA2004800097730A patent/CN101248155A/zh active Pending
- 2004-04-15 WO PCT/US2004/011927 patent/WO2005026285A2/en active Application Filing
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WO2001095400A1 (de) * | 2000-06-09 | 2001-12-13 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Hocheffizienter leuchtstoff |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010029654A1 (ja) * | 2008-09-11 | 2010-03-18 | 三井金属鉱業株式会社 | 緑色蛍光体 |
US8147717B2 (en) | 2008-09-11 | 2012-04-03 | Mitsui Mining & Smelting Co., Ltd. | Green emitting phosphor |
JP2020139056A (ja) * | 2019-02-28 | 2020-09-03 | デクセリアルズ株式会社 | 緑色発光蛍光体及びその製造方法、並びに蛍光体シート、及び発光装置 |
JP7112354B2 (ja) | 2019-02-28 | 2022-08-03 | デクセリアルズ株式会社 | 緑色発光蛍光体及びその製造方法、並びに蛍光体シート、及び発光装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1615981A4 (en) | 2008-03-26 |
US7125501B2 (en) | 2006-10-24 |
WO2005026285A2 (en) | 2005-03-24 |
CN1311052C (zh) | 2007-04-18 |
WO2005026285A3 (en) | 2005-11-17 |
EP1615981A2 (en) | 2006-01-18 |
TW200502360A (en) | 2005-01-16 |
CN101248155A (zh) | 2008-08-20 |
KR20060061929A (ko) | 2006-06-08 |
CN1788067A (zh) | 2006-06-14 |
KR101119301B1 (ko) | 2012-03-15 |
US20040206936A1 (en) | 2004-10-21 |
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