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公开(公告)号：US08906724B2
公开(公告)日：2014-12-09
申请号：US14311624
申请日：2014-06-23
Applicant: General Electric Company
Inventor： James Edward Murphy , Anant Achyut Setlur , Florencio Garcia , Robert Joseph Lyons , Ashfaqul Islam Chowdhury , Nagaveni Karkada , Prasanth Kumar Nammalwar
CPC classification number: H01L33/502 , C09K11/616 , C09K2211/181 , C09K2211/188 , H01L33/52 , H01L2224/48091 , H01L2224/48247 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: A process for synthesizing a color stable Mn4+ doped phosphor includes contacting a precursor of formula I, in gaseous form at an elevated temperature with a fluorine-containing oxidizing agent to form the color stable Mn4+ doped phosphor 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; and y is 5, 6 or 7.
Abstract translation: 用于合成颜色稳定的Mn4 +掺杂荧光体的方法包括在高温下以气态形式将式I的前体与含氟氧化剂接触以形成颜色稳定的Mn4 +掺杂荧光体Ax [MFy]：Mn4 + I，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。
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公开(公告)号：US09580648B2
公开(公告)日：2017-02-28
申请号：US14285746
申请日：2014-05-23
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , Anant Achyut Setlur , Florencio Garcia , Robert Joseph Lyons , Ashfaqul Islam Chowdhury , Nagaveni Karkada , Prasanth Kumar Nammalwar
CPC classification number: C09K11/617 , C08K3/34 , C09K11/025 , C09K11/616 , H01L33/502 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: A color stable Mn4+ doped phosphor of formula I, 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; and wherein % intensity loss of the phosphor after exposure to light flux of at least 80 w/cm2 at a temperature of at least 50° C. for at least 21 hours is ≦4%.
Abstract translation: 式I的颜色稳定的Mn4 +掺杂的荧光体，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，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; 并且其中在至少80℃的温度下暴露至少80w / cm 2的光通量至少21小时后的荧光粉的强度损失百分比为±4％。
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公开(公告)号：US09698314B2
公开(公告)日：2017-07-04
申请号：US14208592
申请日：2014-03-13
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , Anant Achyut Setlur , Florencio Garcia , Robert Joseph Lyons , Ashfaqul Islam Chowdhury , Nagaveni Karkada , Prasanth Kumar Nammalwar
CPC classification number: H01L33/502 , C09K11/616 , C09K2211/181 , C09K2211/188 , H01L33/52 , H01L2224/48091 , H01L2224/48247 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: A process for synthesizing a color stable Mn4+ doped phosphor includes contacting a precursor of formula I, in gaseous form at an elevated temperature with a fluorine-containing oxidizing agent to form the color stable Mn4+ doped phosphor Ax[MFy]:Mn4+ I 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 the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.
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公开(公告)号：US20150364659A1
公开(公告)日：2015-12-17
申请号：US14304098
申请日：2014-06-13
Applicant: General Electric Company
Inventor： Anant Achyut Setlur , Stanton Earl Weaver , Thomas Bert Gorczyca , Ashfaqul Islam Chowdhury , James Edward Murphy , Florencio Garcia
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 surface 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 poly(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: 制造LED照明装置的方法包括在LED芯片的表面上设置复合涂层。 复合涂层包括具有式I的锰掺杂磷光体和第一粘合剂的第一复合层和包含第二磷光体组合物和第二粘合剂的第二复合层。 第一粘合剂，第二粘合剂或两者包括聚（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，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是5,6或7。
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公开(公告)号：US20150361337A1
公开(公告)日：2015-12-17
申请号：US14549847
申请日：2014-11-21
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , Florencio Garcia , Ashfaqul Islam Chowdhury , Srinivas Prasad Sista , Anant Achyut Setlur
CPC classification number: C09K11/617 , C09K11/7774 , H01L33/502 , H01L33/507 , H01L33/54 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H01L2924/00012
Abstract: A process for synthesizing a Mn4+ doped phosphor includes contacting a precursor of formula I, at an elevated temperature with a fluorine-containing oxidizing agent in gaseous form to form the color stable 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 amount of Mn ranges from about 0.9 wt % to about 4 wt %, based on total weight.
Abstract translation: 合成Mn4 +掺杂荧光体的方法包括使式I的前体在升高的温度下与气态的含氟氧化剂接触以形成颜色稳定的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; 并且Mn的量基于总重量为约0.9重量％至约4重量％。
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Patent Agency Ranking
公开(公告)号：US20140327026A1
公开(公告)日：2014-11-06
申请号：US14311624
申请日：2014-06-23
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , Anant Achyut Setlur , Florencio Garcia , Robert Joseph Lyons , Ashfaqul Islam Chowdhury , Nagaveni Karkada , Prasanth Kumar Nammalwar
CPC classification number: H01L33/502 , C09K11/616 , C09K2211/181 , C09K2211/188 , H01L33/52 , H01L2224/48091 , H01L2224/48247 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: A process for synthesizing a color stable Mn4+ doped phosphor includes contacting a precursor of formula I, in gaseous form at an elevated temperature with a fluorine-containing oxidizing agent to form the color stable Mn4+ doped phosphor Ax[MFy]:Mn4+ 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; and y is 5, 6 or 7.
Abstract translation: 用于合成颜色稳定的Mn4 +掺杂荧光体的方法包括在升高的温度下以气态形式将式I的前体与含氟氧化剂接触以形成颜色稳定的Mn4 +掺杂荧光体Ax [MFy]：Mn4 +，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。
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公开(公告)号：US09385282B2
公开(公告)日：2016-07-05
申请号：US14302823
申请日：2014-06-12
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Anant Achyut Setlur , James Edward Murphy , Florencio Garcia , Ashfaqul Islam Chowdhury , Srinivas Prasad Sista
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 I 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≦0.10.
Abstract translation: 用于合成Mn4 +掺杂荧光体的方法包括在升高的温度下将式I的前体，Ax（M1-z，Mnz）Fy I与气态的含氟氧化剂接触以形成Mn4 +掺杂的荧光体; 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; 和0.03＆nlE; z＆nlE; 0.10。
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公开(公告)号：US09929319B2
公开(公告)日：2018-03-27
申请号：US14304098
申请日：2014-06-13
Applicant: General Electric Company
Inventor： Anant Achyut Setlur , Stanton Earl Weaver , Thomas Bert Gorczyca , Ashfaqul Islam Chowdhury , James Edward Murphy , Florencio Garcia
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 surface 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 poly(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.
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公开(公告)号：US20170145304A1
公开(公告)日：2017-05-25
申请号：US15402606
申请日：2017-01-10
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , Anant Achyut Setlur , Florencio Garcia , Robert Joseph Lyons , Ashfaqul Islam Chowdhury , Nagaveni Karkada , Prasanth Kumar Nammalwar , William Winder Beers
CPC classification number: C09K11/617 , C08K3/34 , C09K11/025 , C09K11/616 , H01L33/502 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mn4+ doped phosphor, wherein the lighting apparatus has a color shift of 1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm2, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.
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公开(公告)号：US09376615B2
公开(公告)日：2016-06-28
申请号：US14549847
申请日：2014-11-21
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , Florencio Garcia , Ashfaqul Islam Chowdhury , Srinivas Prasad Sista , Anant Achyut Setlur
CPC classification number: C09K11/617 , C09K11/7774 , H01L33/502 , H01L33/507 , H01L33/54 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H01L2924/00012
Abstract: A process for synthesizing a Mn4+ doped phosphor includes contacting a precursor of formula I, at an elevated temperature with a fluorine-containing oxidizing agent in gaseous form to form the color stable 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 amount of Mn ranges from about 0.9 wt % to about 4 wt %, based on total weight.
Abstract translation: 合成Mn4 +掺杂荧光体的方法包括使式I的前体在升高的温度下与气态的含氟氧化剂接触以形成颜色稳定的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; 并且Mn的量基于总重量为约0.9重量％至约4重量％。
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