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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：US10230022B2
公开(公告)日：2019-03-12
申请号：US14962624
申请日：2015-12-08
Applicant: General Electric Company
Inventor： Anant Achyut Setlur , James Edward Murphy , Florencio Garcia , Srinivas Prasad Sista
Abstract: A lighting apparatus is presented. The lighting apparatus includes a semiconductor light source, a color stable Mn4+ doped phosphor and a quantum dot material, each of the color stable Mn4+ doped phosphor and the quantum dot material being radiationally coupled to the semiconductor light source. A percentage intensity loss of the color stable Mn4+ doped phosphor after exposure to a light flux of at least 20 w/cm2 at a temperature of at least 50 degrees Celsius for at least 21 hours is ≤4%. A backlight device including the lighting apparatus is also presented.
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公开(公告)号：US09938457B1
公开(公告)日：2018-04-10
申请号：US15270657
申请日：2016-09-20
Applicant: General Electric Company
Inventor： Digamber Gurudas Porob , James Edward Murphy , Florencio Garcia , Srinivas Prasad Sista , Anant Achyut Setlur , William Winder Beers , Fangming Du
CPC classification number: C09K11/617 , C09K11/02 , H01L25/0753 , H01L33/0095 , H01L33/06 , H01L33/32 , H01L33/502 , H01L33/56 , H01L33/62 , H01L2933/0041 , H01L2933/005 , H01L2933/0066
Abstract: Methods for fabricating coated semiconductor elements are presented. The methods include the steps of combining a phosphor of formula I and a polymer binder to form a composite material, providing a semiconductor wafer including IniGajAlkN, wherein 0≤i; 0≤j; 0≤k, and a sum of i, j and k is equal to 1, coating the composite material on a surface of the semiconductor wafer to form a coated semiconductor wafer, and dicing the coated semiconductor wafer using a cutting fluid apparatus to form one or more coated semiconductor elements. A cutting fluid of the cutting fluid apparatus includes a C1-C20 alcohol, a C1-C20 ketone, a C1-C20 acetate compound, acetic acid, oleic acid, carboxylic acid, a source of A, silicic acid, or a combination thereof.
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公开(公告)号：US20180040782A1
公开(公告)日：2018-02-08
申请号：US15231026
申请日：2016-08-08
Applicant: General Electric Company
CPC classification number: H01L33/502 , C08K3/013 , C08K3/08 , C08K3/34 , C08K2201/001 , C08K2201/005 , C09K11/02 , C09K11/025 , C09K11/616 , C09K11/617 , H01L33/501 , H01L33/56 , H01L33/644
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：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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Patent Agency Ranking
公开(公告)号：US20150361335A1
公开(公告)日：2015-12-17
申请号：US14303020
申请日：2014-06-12
Applicant: General Electric Company
Inventor： James Edward Murphy , Anant Achyut Setlur , Florencio Garcia , Srinivas Prasad Sista
CPC classification number: C09K11/616 , C09K11/617 , F21K9/60 , F21V9/30 , H01L33/502 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H01L2924/00012
Abstract: A process for synthesizing a manganese (Mn4+) doped phosphor includes milling particles of the a phosphor precursor of formula I, and contacting the milled particles with a fluorine-containing oxidizing agent at an elevated temperature 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: 用于合成锰（Mn4 +）掺杂荧光体的方法包括研磨式I的荧光体前体的研磨颗粒，并且在升高的温度下将碾磨的颗粒与含氟氧化剂接触。[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：US10193030B2
公开(公告)日：2019-01-29
申请号：US15231026
申请日：2016-08-08
Applicant: General Electric Company
IPC: H01L33/00 , H01L33/50 , C08K3/013 , C08K3/08 , C08K3/34 , C09K11/02 , C09K11/61 , H01L33/56 , H01L33/64
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：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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