CN101522858A - 氮化物荧光体或氧氮化物荧光体的制造方法 - Google Patents
氮化物荧光体或氧氮化物荧光体的制造方法 Download PDFInfo
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- CN101522858A CN101522858A CNA2007800361402A CN200780036140A CN101522858A CN 101522858 A CN101522858 A CN 101522858A CN A2007800361402 A CNA2007800361402 A CN A2007800361402A CN 200780036140 A CN200780036140 A CN 200780036140A CN 101522858 A CN101522858 A CN 101522858A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/597—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon oxynitride, e.g. SIALONS
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- 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
- C09K11/77348—Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3865—Aluminium nitrides
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3895—Non-oxides with a defined oxygen content, e.g. SiOC, TiON
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
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- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Luminescent Compositions (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006269796A JP5378644B2 (ja) | 2006-09-29 | 2006-09-29 | 窒化物蛍光体または酸窒化物蛍光体の製造方法 |
JP269796/2006 | 2006-09-29 | ||
PCT/JP2007/067536 WO2008041452A1 (fr) | 2006-09-29 | 2007-09-07 | Procédé de fabrication du nitrure ou oxonitrure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101522858A true CN101522858A (zh) | 2009-09-02 |
CN101522858B CN101522858B (zh) | 2014-03-12 |
Family
ID=39268316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200780036140.2A Active CN101522858B (zh) | 2006-09-29 | 2007-09-07 | 氮化物荧光体或氧氮化物荧光体的制造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9683168B2 (zh) |
EP (1) | EP2075312B1 (zh) |
JP (1) | JP5378644B2 (zh) |
KR (1) | KR101190922B1 (zh) |
CN (1) | CN101522858B (zh) |
TW (1) | TWI458805B (zh) |
WO (1) | WO2008041452A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102939273A (zh) * | 2010-05-13 | 2013-02-20 | 电气化学工业株式会社 | β型赛隆的制造方法、β型赛隆及利用该β型赛隆的产品 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5446066B2 (ja) * | 2006-12-28 | 2014-03-19 | 日亜化学工業株式会社 | 窒化物蛍光体及びこれを用いた発光装置 |
US8691113B2 (en) * | 2008-07-02 | 2014-04-08 | Dexerials Corporation | Red phosphor, method for producing red phosphor, white light source, illuminating device, and liquid crystal display device |
KR20100106053A (ko) * | 2009-03-23 | 2010-10-01 | 삼성전자주식회사 | 발광 장치, 이를 포함하는 발광 시스템, 및 이들의 제조 방법 |
JP2012057070A (ja) * | 2010-09-09 | 2012-03-22 | Denki Kagaku Kogyo Kk | Eu固溶β型サイアロンの製造方法 |
JP2012153873A (ja) * | 2011-01-04 | 2012-08-16 | Sony Chemical & Information Device Corp | 赤色蛍光体、赤色蛍光体の製造方法、白色光源、照明装置、および液晶表示装置 |
KR101406966B1 (ko) * | 2011-02-28 | 2014-06-16 | 성균관대학교산학협력단 | 염화실리케이트계 형광체의 질화반응을 통해 형성된 형광체 분말 및 그 제조 방법 |
JP5746672B2 (ja) | 2012-09-25 | 2015-07-08 | 株式会社東芝 | 蛍光体、発光装置、および蛍光体の製造方法 |
JP2014177601A (ja) * | 2013-03-15 | 2014-09-25 | Toshiba Corp | 黄色発光蛍光体およびそれを用いた発光装置 |
JP2014181260A (ja) * | 2013-03-18 | 2014-09-29 | Toshiba Corp | 蛍光体、発光装置、および蛍光体の製造方法 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3368861A (en) * | 1964-05-04 | 1968-02-13 | Bell Telephone Labor Inc | Faraday rotator utilizing terbium aluminum garnet and dysprosium aluminum garnet |
DE2805292C2 (de) * | 1977-09-28 | 1982-03-11 | Toshiba Ceramics Co., Ltd., Tokyo | Verfahren zur Herstellung eines Sinterkörpers |
EP0017331B1 (en) * | 1979-03-21 | 1983-06-15 | Promagco Limited | Improvements relating to hot chamber die-casting |
US4303615A (en) * | 1980-06-02 | 1981-12-01 | Fisher Scientific Company | Crucible with lid |
FR2607520B1 (fr) * | 1986-11-27 | 1992-06-19 | Comurhex | Procede d'elaboration par metallothermie d'alliages purs a base de terres rares et de metaux de transition |
EP0892099A1 (en) * | 1997-07-15 | 1999-01-20 | Mitsubishi Chemical Corporation | Carbon fiber woven fabric |
EP1104799A1 (en) | 1999-11-30 | 2001-06-06 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Red emitting luminescent material |
JP3763719B2 (ja) | 2000-02-02 | 2006-04-05 | 独立行政法人科学技術振興機構 | オキシ窒化物ガラスを母体材料とした蛍光体 |
JP3726131B2 (ja) | 2002-05-23 | 2005-12-14 | 独立行政法人物質・材料研究機構 | サイアロン系蛍光体 |
DE10133352A1 (de) | 2001-07-16 | 2003-02-06 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Beleuchtungseinheit mit mindestens einer LED als Lichtquelle |
JP4009828B2 (ja) | 2002-03-22 | 2007-11-21 | 日亜化学工業株式会社 | 窒化物蛍光体及びその製造方法 |
JP4207489B2 (ja) | 2002-08-06 | 2009-01-14 | 株式会社豊田中央研究所 | α−サイアロン蛍光体 |
JP4834827B2 (ja) * | 2003-10-03 | 2011-12-14 | 独立行政法人物質・材料研究機構 | 酸窒化物蛍光体 |
JP4362625B2 (ja) * | 2004-02-18 | 2009-11-11 | 独立行政法人物質・材料研究機構 | 蛍光体の製造方法 |
JP5016187B2 (ja) * | 2004-07-14 | 2012-09-05 | Dowaエレクトロニクス株式会社 | 窒化物蛍光体、窒化物蛍光体の製造方法、並びに上記窒化物蛍光体を用いた光源及びled |
TWI262609B (en) * | 2004-02-27 | 2006-09-21 | Dowa Mining Co | Phosphor and manufacturing method thereof, and light source, LED using said phosphor |
JP4511849B2 (ja) | 2004-02-27 | 2010-07-28 | Dowaエレクトロニクス株式会社 | 蛍光体およびその製造方法、光源、並びにled |
TW200604325A (en) | 2004-03-22 | 2006-02-01 | Fujikura Ltd | Light-emitting device and illuminating device |
JP4128564B2 (ja) * | 2004-04-27 | 2008-07-30 | 松下電器産業株式会社 | 発光装置 |
JP4414821B2 (ja) | 2004-06-25 | 2010-02-10 | Dowaエレクトロニクス株式会社 | 蛍光体並びに光源およびled |
JP4888624B2 (ja) | 2004-07-30 | 2012-02-29 | 独立行政法人物質・材料研究機構 | α型サイアロン粉末の製造方法 |
US7138756B2 (en) * | 2004-08-02 | 2006-11-21 | Dowa Mining Co., Ltd. | Phosphor for electron beam excitation and color display device using the same |
JP4933739B2 (ja) * | 2004-08-02 | 2012-05-16 | Dowaホールディングス株式会社 | 電子線励起用の蛍光体および蛍光体膜、並びにそれらを用いたカラー表示装置 |
JP4572368B2 (ja) * | 2004-08-12 | 2010-11-04 | 株式会社フジクラ | サイアロン蛍光体の製造方法 |
EP1845146B1 (en) * | 2005-01-31 | 2015-03-04 | Ube Industries, Ltd. | Red emitting nitride phosphor and process for producing the same |
CN102585810A (zh) * | 2005-02-28 | 2012-07-18 | 电气化学工业株式会社 | 荧光体及其制造方法及使用了该荧光体的发光元件 |
JP4104013B2 (ja) * | 2005-03-18 | 2008-06-18 | 株式会社フジクラ | 発光デバイス及び照明装置 |
JP4788944B2 (ja) * | 2005-03-18 | 2011-10-05 | 株式会社フジクラ | 粉末状蛍光体とその製造方法、発光デバイス及び照明装置 |
US7443094B2 (en) * | 2005-03-31 | 2008-10-28 | Dowa Electronics Materials Co., Ltd. | Phosphor and manufacturing method of the same, and light emitting device using the phosphor |
JP5130640B2 (ja) * | 2005-04-01 | 2013-01-30 | 三菱化学株式会社 | 蛍光体の製造方法 |
JP2008050496A (ja) * | 2006-08-25 | 2008-03-06 | Sony Corp | 発光組成物、光源装置、及び表示装置 |
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2006
- 2006-09-29 JP JP2006269796A patent/JP5378644B2/ja active Active
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2007
- 2007-09-07 CN CN200780036140.2A patent/CN101522858B/zh active Active
- 2007-09-07 WO PCT/JP2007/067536 patent/WO2008041452A1/ja active Application Filing
- 2007-09-07 KR KR1020097008700A patent/KR101190922B1/ko active IP Right Grant
- 2007-09-07 US US12/310,673 patent/US9683168B2/en active Active
- 2007-09-07 EP EP07806968A patent/EP2075312B1/en active Active
- 2007-09-28 TW TW096136154A patent/TWI458805B/zh active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102939273A (zh) * | 2010-05-13 | 2013-02-20 | 电气化学工业株式会社 | β型赛隆的制造方法、β型赛隆及利用该β型赛隆的产品 |
Also Published As
Publication number | Publication date |
---|---|
EP2075312A4 (en) | 2010-05-19 |
TW200831639A (en) | 2008-08-01 |
US9683168B2 (en) | 2017-06-20 |
JP5378644B2 (ja) | 2013-12-25 |
EP2075312B1 (en) | 2013-03-06 |
WO2008041452A1 (fr) | 2008-04-10 |
KR101190922B1 (ko) | 2012-10-12 |
US20100001234A1 (en) | 2010-01-07 |
TWI458805B (zh) | 2014-11-01 |
EP2075312A1 (en) | 2009-07-01 |
CN101522858B (zh) | 2014-03-12 |
JP2008088266A (ja) | 2008-04-17 |
KR20090079218A (ko) | 2009-07-21 |
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Owner name: NICHIA CHEMICAL INDUSTRIES, LTD. Effective date: 20150721 Owner name: CITIZEN HOLDINGS CO., LTD Free format text: FORMER OWNER: DOWA ELECTRONICS MATERIALS CO. Effective date: 20150721 |
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Effective date of registration: 20150721 Address after: Yamanashi Prefecture Patentee after: Citizen Electronics Co., Ltd. Patentee after: Nichia Chemical Industries, Ltd. Address before: Tokyo, Japan, Japan Patentee before: Dowa Electronics Materials Co. |