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公开(公告)号：US20150092912A1
公开(公告)日：2015-04-02
申请号：US14073296
申请日：2013-11-06
Applicant: General Electric Company
Inventor： Haochuan Jiang , Anant Achyut Setlur , Robert Joseph Lyons , Kevin Alan David , James Edward Murphy , Vladimir Lobastov
CPC classification number: G01N23/046 , G01T1/20 , Y10T29/49826
Abstract: Systems and method for filtering emissions from scintillators are provided. One system includes a scintillator having a scintillator material portion formed from a base scintillator material. The scintillator also includes a photodetector and a filter portion, The filter portion includes a material blocking near-infrared (IR) emissions. The filter portion is disposed on a surface of one of the scintillator material portion or the photodetector, and wherein the scintillator material portion, the photodetector, and the filter portion are coupled together. The filter portion blocks the near-IR emissions from impinging on the photodetector.
Abstract translation: 提供了用于过滤闪烁体发射的系统和方法。 一个系统包括具有由基底闪烁体材料形成的闪烁体材料部分的闪烁器。 闪烁体还包括光电检测器和过滤器部分。过滤器部分包括阻挡近红外（IR）发射的材料。 滤光器部分设置在闪烁体材料部分或光电检测器之一的表面上，其中闪烁体材料部分，光电检测器和过滤器部分耦合在一起。 过滤器部分阻挡近红外辐射照射在光电检测器上。
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公开(公告)号：US20150054400A1
公开(公告)日：2015-02-26
申请号：US14465024
申请日：2014-08-21
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy
CPC classification number: C09K11/675 , C09K11/617 , F21V9/30 , H01L33/50 , H01L33/502 , H01L2224/48091 , H01L2224/48247 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: Low-HF or HF-free processes for improving color stability of a Mn+4 doped phosphor of formula I include contacting the phosphor of formula I with a solution that contains hexafluorosilicic acid, and isolating a treated phosphor of formula I having improved color stability relative to an untreated phosphor of formula I Ax[MFy]:Mn+4 (I) wherein A is Li, Na, K, Rb, Cs, R4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, 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.
Abstract translation: 用于提高式I的Mn + 4掺杂磷光体的颜色稳定性的低HF或无HF方法包括使式I的荧光体与含有六氟硅酸的溶液接触，并分离具有改善的颜色稳定性的式I处理的磷光体 到其中A是Li，Na，K，Rb，Cs，R4或它们的组合的未处理的式I的荧光体Ax [MFy]：Mn + 4（I） M是Si，Ge，Sn，Ti，Zr，Al，Ga，In，Sc，Y，La，Nb，Ta，Bi，Gd或它们的组合; R是H，低级烷基或它们的组合; 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：US11781028B2
公开(公告)日：2023-10-10
申请号：US17701592
申请日：2022-03-22
Applicant: General Electric Company
Inventor： Mark D. Doherty , Yangang Liang , Jie Jerry Liu , Samuel Joseph Camardello , James Edward Murphy
IPC: C09K11/71 , C09D11/38 , G03F7/004 , C09K11/02 , C09K11/61 , G02F1/13357 , F21V8/00 , F21V9/30 , H01L33/50 , C09D11/322 , C08K3/32 , C08K3/34 , F21Y115/10
CPC classification number: C09D11/38 , C09D11/322 , C09K11/025 , C09K11/617 , C09K11/71 , C09K11/717 , F21V9/30 , G02B6/0053 , G02B6/0073 , G02F1/133603 , G02F1/133617 , G03F7/0042 , H01L33/502 , C08K3/34 , C08K2003/328 , C08K2201/001 , C08K2201/005 , F21Y2115/10 , H01L2933/0091
Abstract: An ink composition is provided. The composition includes a binder material and at least one narrow band emission phosphor being uniformly dispersed throughout the composition, wherein the narrow band emission phosphor has a D50 particle size from about 0.1 μm to about 15 μm and is selected from the group consisting of a green-emitting U6+-containing phosphor, a green-emitting Mn2+-containing phosphor, a red-emitting phosphor based on complex fluoride materials activated by Mn4+, and a mixture thereof. A device is also provided.
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公开(公告)号：US20230246013A1
公开(公告)日：2023-08-03
申请号：US18116260
申请日：2023-03-01
Applicant: General Electric Company
Inventor： James Edward Murphy , Samuel Joseph Camardello
CPC classification number: H01L25/167 , B60R11/02 , G02B23/12 , G06F1/1613 , G09G3/2003 , G09G3/3406 , H01L33/0062 , H01L33/502 , B60R2011/0005
Abstract: The present disclosure relates to a device used in conjunction with night vision equipment. The device including an LED light source optically coupled and/or radiationally connected to a phosphor material including a green-emitting phosphor and a red-emitting phosphor of formula 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 an absolute value of a charge of the MFy ion; and y is 5, 6 or 7. The device limits emission of wavelengths longer than 650 nm to less than 1.75% of total emission. A device including an LED light source optically coupled and/or radiationally connected to a red-emitting phosphor including Na2SiF6:Mn4+is also provided.-
公开(公告)号：US10131835B2
公开(公告)日：2018-11-20
申请号：US15109267
申请日：2014-12-16
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Anant Achyut Setlur , Robert Joseph Lyons , Prasanth Kumar Nammalwar , James Edward Murphy , Florencio Garcia , Ravikumar Hanumantha
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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Patent Agency Ranking
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：US20180079955A1
公开(公告)日：2018-03-22
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：US20180053881A1
公开(公告)日：2018-02-22
申请号：US15238989
申请日：2016-08-17
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , William Winder Beers , William Erwin Cohen
Abstract: A coated phosphors that include a shell comprising a first Medoped phosphor of formula I Ax[MFy]:Mn4+ I directly disposed on a core comprising a second phosphor. The second phosphor is a material other than a compound of formula I or formula II Ax[MFy] II wherein A is, independently at each occurrence, Li, Na, K, Rb, Cs, or a combination thereof; M is, independently at each occurrence, 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.
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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：US09399732B2
公开(公告)日：2016-07-26
申请号：US14465024
申请日：2014-08-21
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy
CPC classification number: C09K11/675 , C09K11/617 , F21V9/30 , H01L33/50 , H01L33/502 , H01L2224/48091 , H01L2224/48247 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: Low-HF or HF-free processes for improving color stability of a Mn+4 doped phosphor of formula I include contacting the phosphor of formula I with a solution that contains hexafluorosilicic acid, and isolating a treated phosphor of formula I having improved color stability relative to an untreated phosphor of formula I Ax[MFy]:Mn+4 (I) wherein A is Li, Na, K, Rb, Cs, R4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, 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.
Abstract translation: 用于提高式I的Mn + 4掺杂磷光体的颜色稳定性的低HF或无HF方法包括使式I的荧光体与含有六氟硅酸的溶液接触，并分离具有改善的颜色稳定性的式I处理的磷光体 到其中A是Li，Na，K，Rb，Cs，R4或它们的组合的未处理的式I的荧光体Ax [MFy]：Mn + 4（I） M是Si，Ge，Sn，Ti，Zr，Al，Ga，In，Sc，Y，La，Nb，Ta，Bi，Gd或它们的组合; R是H，低级烷基或它们的组合; x是[MFy]离子的电荷的绝对值; y为5,6或7。
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