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公开(公告)号:WO2015191607A3
公开(公告)日:2016-03-10
申请号:PCT/US2015034938
申请日:2015-06-09
Applicant: GEN ELECTRIC
Inventor: SETLUR ANANT ACHYUT , MURPHY JAMES EDWARD , GARCIA FLORENCIO , CHOWDHURY ASHFAQUL ISLAM , SISTA SRINIVAS PRASAD
CPC classification number: H01L33/502 , C09K11/616 , C09K11/617 , H01L2224/48091 , H01L2224/48247 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: A process for synthesizing a Mn4+ doped phosphor includes contacting a precursor of formula I, Ax(M1-z, Mnz)Fy at an elevated temperature with a fluorine-containing oxidizing agent in gaseous form to form the Mn4+ doped phosphor; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and 0.03≤z
Abstract translation: 用于合成Mn4 +掺杂荧光体的方法包括使式I前体,升高温度下的Ax(M1-z,Mnz)Fy与气态的含氟氧化剂接触以形成Mn4 +掺杂荧光体; 其中A为Li,Na,K,Rb,Cs或其组合; M是Si,Ge,Sn,Ti,Zr,Al,Ga,In,Sc,Hf,Y,La,Nb,Ta,Bi,Gd或它们的组合; x是[MFy]离子的电荷的绝对值; y为5,6或7; 0.03≤z<0.10。
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公开(公告)号:WO2015191793A3
公开(公告)日:2016-03-10
申请号:PCT/US2015035222
申请日:2015-06-11
Applicant: GEN ELECTRIC
Inventor: GARCIA FLORENCIO , SETLUR ANANT ACHYUT , MURPHY JAMES EDWARD , SISTA SRINIVAS PRASAD
IPC: C09K11/61
CPC classification number: C09K11/617 , C09K11/616 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H05B33/12 , H01L2924/00012
Abstract: A process for synthesizing a Mn4+ doped phosphor includes contacting a precursor of formula (I): Ax [MFγ]:Mn4+ at any temperature in a range from about 200°C to about 700°C with a fluorine-containing oxidizing agent in gaseous form; maintaining the temperature during a contact period of at least one hour; and, after the contact period, reducing the temperature at a rate of ≤5°C per minute; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFγ] ion; y is 5, 6 or 7.
Abstract translation: 用于合成Mn4 +掺杂荧光体的方法包括在约200℃至约700℃范围内的任何温度下与气态的含氟氧化剂接触式(I)前体:Ax [MFγ]:Mn4 + ; 在接触期间保持至少1小时的温度; 在接触期后,以每分钟≤5℃的速度降低温度; 其中A为Li,Na,K,Rb,Cs或其组合; M是Si,Ge,Sn,Ti,Zr,Al,Ga,In,Sc,Hf,Y,La,Nb,Ta,Bi,Gd或它们的组合; x是[MFγ]离子的电荷的绝对值; y是5,6或7。
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公开(公告)号:WO2015191521A3
公开(公告)日:2016-02-04
申请号:PCT/US2015034818
申请日:2015-06-09
Applicant: GEN ELECTRIC
Inventor: SETLUR ANAUNT ACHYUT , WEAVER STANTON EARL , GORCZYCA THOMAS BERT , CHOWDHURY ASHFAQUL ISLAM , MURPHY JAMES EDWARD , GARCIA FLORENCIO
CPC classification number: H01L33/504 , C09K11/617 , C09K11/7774 , H01L33/005 , H01L33/502 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H01L2933/0041 , H01L2924/00012
Abstract: A process for fabricating a LED lighting apparatus includes disposing a composite coating on a surafce of a LED chip, The composite coating comprises a first composite layer having a manganese doped phosphor of formula I and a first binder and a second composite layer comprising a second phosphor composition and a second binder. The first binder, the second binder or both include a poIy(meth)acrylate. Ax [MFy]:Mn4+.......... (I), wherein A is Li, Na. K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, AL Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7.
Abstract translation: 一种用于制造LED照明装置的方法包括将复合涂层设置在LED芯片的表面上。复合涂层包括具有式I的锰掺杂磷光体的第一复合层和第一粘合剂和包含第二磷光体的第二复合层 组合物和第二粘合剂。 第一粘合剂,第二粘合剂或两者包括一种(甲基)丙烯酸酯。 Ax [MFy]:Mn4 + ..........(I),其中A是Li,Na。 K,Rb,Cs或它们的组合; M是Si,Ge,Sn,Ti,Zr,AlGa,In,Sc,Hf,Y,La,Nb,Ta,Bi,Gd或它们的组合; x是[MFy]离子的电荷的绝对值; y是5,6或7。
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公开(公告)号:CA2934249C
公开(公告)日:2022-11-01
申请号:CA2934249
申请日:2014-12-16
Applicant: GEN ELECTRIC
Inventor: SETLUR ANANT ACHYUT , LYONS ROBERT JOSEPH , NAMMALWAR PRASANTH KUMAR , HANUMANTHA RAVIKUMAR , MURPHY JAMES EDWARD , GARCIA FLORENCIO
Abstract: A phosphor composition is derived from combining K2SiF6:Mn4+ in solid form with a saturated solution of a manganese-free complex fluoride including a composition of formula (I): A3[MF6], where A is selected from Na, K, Rb, and combinations thereof; and M is selected from Al, Ga, In, Sc, Y, Gd, and combinations thereof. The composition of formula (I):A3[MF6] has a water solubility lower than a water solubility of K2SiF6. A lighting apparatus including the phosphor composition is also provided.
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公开(公告)号:CA2932616C
公开(公告)日:2022-11-01
申请号:CA2932616
申请日:2014-12-12
Applicant: GEN ELECTRIC
Inventor: MURPHY JAMES EDWARD , DU FANGMING , BEERS WILLIAM WINDER , LYONS ROBERT JOSEPH
IPC: C09K11/61
Abstract: A process for preparing a color stable Mn4+ doped complex fluoride phosphor of formula (I) includes: Ax(M(1-m), Mnm) Fy; contacting a first aqueous HF solution comprising (1-m) parts of a compound of formula HxMFy, and a second aqueous HF solution comprising m*n parts of a compound of formula Ax[MnFy], with a third aqueous HF solution comprising (1 -n) parts of the compound of formula Ax[MnFy] and a compound of formula AaX, to yield a precipitate comprising the color stable Mn4+ doped complex fluoride phosphor; wherein A is Li, Na, K, Rb, Cs, NR4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; R is H, lower alkyl, or a combination thereof; X is an anion; a is the absolute value of the charge of the X anion; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; 0
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公开(公告)号:MY179565A
公开(公告)日:2020-11-10
申请号:MYPI2017700177
申请日:2015-07-20
Applicant: GEN ELECTRIC
Inventor: MURPHY JAMES EDWARD
Abstract: A process for synthesizing a Mn4+ doped phosphor is presented. The process includes contacting a source of Mn4+ ions to a suspension comprising aqueous hydrofluoric acid and a complex fluoride compound of formula (II) in solid form, and then contacting a source of A+ ions to the suspension to form the Mn4+ doped phosphor, Ax[MFy] (II) Wherein, A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7.
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公开(公告)号:CA3032757A1
公开(公告)日:2018-02-15
申请号:CA3032757
申请日:2017-09-15
Applicant: GEN ELECTRIC
Abstract: A lighting apparatus includes an LED light source radiationally coupled to a composite material including a phosphor of formula (I) and a thermally conductive material dispersed in at least a portion of a binder material. The thermally conductive material includes a material selected from the group consisting of indium oxide, tin oxide, indium tin oxide, calcium oxide, barium oxide, strontium oxide, aluminum hydroxide, magnesium hydroxide, calcium hydroxide, barium hydroxide, strontium hydroxide, zinc hydroxide, aluminum phosphate, magnesium phosphate, calcium phosphate, barium phosphate, strontium phosphate, diamond, graphene, polyethylene nanofibers, carbon nanotubes, silver metal nanoparticles, copper metal nanoparticles, gold metal nanoparticles, aluminum metal nanoparticles, boron nitride, silicon nitride, an alkali metal halide, calcium fluoride, magnesium fluoride, a compound of formula (II), and combinations thereof.
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公开(公告)号:MX2016016390A
公开(公告)日:2017-10-12
申请号:MX2016016390
申请日:2015-06-09
Applicant: GEN ELECTRIC
Inventor: MURPHY JAMES EDWARD , SETLUR ANANT ACHYUT , CHOWDHURY ASHFAQUL ISLAM , GARCIA FLORENCIO , SRINIVAS PRASAD SISTA
Abstract: Un proceso para sintetizar un fósforo activado por Mn4+ el proceso comprende poner en contacto un precursor de fórmula I, Ax(M1-z, Mnz)Fy I a una temperatura elevada con un agente oxidante que contiene flúor en forma gaseosa para formar el fósforo activado por Mn4+; en donde A es Li, Na, K, Rb, Cs, o una combinación de los mismos; M es Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd o una combinación de los mismos; x es el valor absoluto de la carga del ion [MFy]; y es 5, 6 o 7; y 0.03=z?0.10.
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公开(公告)号:MX2017006661A
公开(公告)日:2017-10-04
申请号:MX2017006661
申请日:2015-11-16
Applicant: GEN ELECTRIC
Inventor: MURPHY JAMES EDWARD , SETLUR ANANT ACHYUT , CHOWDHURY ASHFAQUL ISLAM , GARCIA FLORENCIO , SRINIVAS PRASAD SISTA
IPC: C09K11/61
Abstract: Un proceso para sintetizar un fósforo dopado con Mn4+ incluye poner en contacto un precursor de la fórmula I, AX [MFY]:Mn4+ I a una temperatura elevada con un agente oxidante que contiene flúor en forma gaseosa para formar el fósforo dopado con Mn4+ de color estable; en donde A es Li, Na, K, Rb, Cs, o una combinación de los mismos; M es Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, o una combinación de los mismos; x es el valor absoluto de la carga del ion [MFY]; y es 5, 6 o 7; y la cantidad de Mn va desde aproximadamente 0.9 % en peso a aproximadamente 4 % en peso, con base en el peso total.
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公开(公告)号:CA2950548A1
公开(公告)日:2017-06-09
申请号:CA2950548
申请日:2016-12-01
Applicant: GEN ELECTRIC
Inventor: SIVARAMAKRISHNAN SHANKAR , HASZ WAYNE CHARLES , BROSNAN KRISTEN HALL , MURPHY JAMES EDWARD
Abstract: Provided herein are methods and compositions which allow for efficient inspection, maintenance and repair of ceramic coatings.
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