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    Composite materials having red emitting phosphors
    61.
    发明授权
    Composite materials having red emitting phosphors 有权

    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

    Inventor： Digamber Gurudas Porob ,  James Edward Murphy ,  Florencio Garcia ,  Megan Marie Brewster

    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.

    Process for improved halide materials
    62.
    发明授权
    Process for improved halide materials 有权

    公开(公告)号：US10174248B2

    公开(公告)日：2019-01-08

    申请号：US15566061

    申请日：2015-05-18

    Applicant: General Electric Company

    Inventor： James Edward Murphy ,  Anant Achyut Setlur

    IPC: H01L33/00 ,  C09K11/77 ,  H01L33/50

    Abstract: A process for treating a luminescent halogen-containing material includes contacting the luminescent halogen-containing material with an atmosphere comprising a halogen-containing oxidizing agent for a period of at least about two hours. The luminescent halogen-containing material has a composition other than (i) Ax[MFy]:Mn4+, where A is Li, Na, K, Rb, Cs, 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; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7; (ii) Zn2[MF7]:Mn4+, where M is selected from Al, Ga, In, and combinations thereof; (iii) E[MF6]:Mn4+, where E is selected from Mg, Ca, Sr, Ba, Zn, and combinations thereof; and where M is selected from Ge, Si, Sn, Ti, Zr, and combinations thereof; or (iv) Ba0.65Zr0.35F2.70:Mn4+.

    Processes for preparing color stable red-emitting phosphors
    63.
    发明授权
    Processes for preparing color stable red-emitting phosphors 有权

    公开(公告)号：US10072206B2

    公开(公告)日：2018-09-11

    申请号：US15197891

    申请日：2016-06-30

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： James Edward Murphy ,  Fangming Du ,  Anant Achyut Setlur

    IPC: C09K11/61

    CPC classification number: C09K11/616

    Abstract: Processes for preparing color stable red-emitting phosphors include contacting a complex fluoride phosphor of formula I with a first fluorine-containing oxidizing agent in gaseous form at a first temperature ranging from 200° C. to 700° C. to form a first product phosphor, contacting the first product phosphor in particulate form with a solution of a compound of formula II in aqueous hydrofluoric acid to form a treated phosphor, and contacting the treated phosphor with a second fluorine-containing oxidizing agent in gaseous form at a second temperature

    Color stable red-emitting phosphors
    65.
    发明授权
    Color stable red-emitting phosphors 有权

    公开(公告)号：US09982190B2

    公开(公告)日：2018-05-29

    申请号：US14950679

    申请日：2015-11-24

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： James Edward Murphy ,  Srinivas Prasad Sista

    IPC: C09K11/61 ,  C09K11/62 ,  C09K11/66 ,  C09K11/67

    CPC classification number: C09K11/617 ,  C09K11/616

    Abstract: A process for preparing a Mn+4 doped phosphor of formula I Ax[MFy]:Mn+4  I includes gradually adding a first solution to a second solution gradually discharging the product liquor from the reactor while volume of the product liquor in the reactor remains constant; wherein A is Li, Na, K, Rb, Cs, 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; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7. The first solution includes a source of M and HF and the second solution includes a source of Mn to a reactor in the presence of a source of A.

    Process for preparing red-emitting phosphors
    68.
    发明授权
    Process for preparing red-emitting phosphors 有权
    制备红色发光荧光体的方法

    公开(公告)号：US09546318B2

    公开(公告)日：2017-01-17

    申请号：US14267449

    申请日：2014-05-01

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： James Edward Murphy ,  Robert Joseph Lyons ,  Anant Achyut Setlur, Jr.

    IPC: C09K11/61 ,  C09K11/66 ,  H01L33/50 ,  C01B33/10

    CPC classification number: C09K11/617 ,  C01B33/10 ,  C09K11/616 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

    Abstract: A process for preparing a Mn4+ doped phosphor of formula I Ax[MFy]:Mn+4  I includes contacting a mixture of a compound of formula Ax[MFy], a compound of formula AX, and a Mn+n source comprising a fluoromanganese compound, with a fluorine-containing oxidizing agent in gaseous form, at an elevated temperature, 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 F, Cl, Br, I, HF2, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and n is 2, 3, or 4.

    Abstract translation: 制备式I的Mn 4+掺杂磷光体的方法€ƒ€ƒ€ƒ€ƒ€ƒ€ƒA x [MF y]：Mn +4€ƒ€ƒ€ƒ€ƒI包括 在升高的温度下将式A x [MF y]化合物，式AX化合物和包含氟代锰化合物的Mn + n源的混合物与含氟的氧化剂在高温下接触以形成Mn 4+掺杂磷光体; 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F，Cl，Br，I，HF 2或它们的组合; x是[MF y]离子的电荷的绝对值; y为5,6或7; n为2,3或4。

    LED PACKAGE WITH RED-EMITTING PHOSPHORS
    70.
    发明申请
    LED PACKAGE WITH RED-EMITTING PHOSPHORS 有权
    LED包装与红色发光磷光体

    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

    IPC: H01L33/50 ,  H01L33/00

    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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