知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

77 records (took 0.052 seconds)

    COATED MANGANESE DOPED PHOSPHORS
    41.
    发明申请
    COATED MANGANESE DOPED PHOSPHORS 审中-公开

    公开(公告)号：US20190136128A1

    公开(公告)日：2019-05-09

    申请号：US16306309

    申请日：2017-06-27

    Applicant: General Electric Company

    Inventor： James Edward Murphy ,  Florencio Garcia

    IPC: C09K11/02 ,  C09K11/61 ,  H01L33/50

    Abstract: A population of coated phosphor particles is presented. Each coated phosphor particle has a core including a Mn4+ doped phosphor and a shell including aluminum oxide, titanium oxide, zirconium oxide, zinc oxide, tin oxide, silicon dioxide, hafnium oxide, indium oxide, indium tin oxide, potassium fluoride, titanium nitride, boron nitride, silicon nitride, a polymer material, or a combination thereof. A process for preparing the population of coated phosphor particles is also presented.

    MANGANESE-DOPED PHOSPHOR MATERIALS FOR HIGH POWER DENSITY APPLICATIONS
    42.
    发明申请
    MANGANESE-DOPED PHOSPHOR MATERIALS FOR HIGH POWER DENSITY APPLICATIONS 审中-公开

    公开(公告)号：US20190074412A1

    公开(公告)日：2019-03-07

    申请号：US15743435

    申请日：2017-05-09

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： James Edward Murphy ,  Sam Joseph Camardello

    IPC: H01L33/50 ,  H01L33/62 ,  C09K11/61

    Abstract: A lighting apparatus is presented. The lighting apparatus includes a semiconductor light source capable of producing blue light of high power density, the semiconductor light source radiationally coupled to a phosphor of formula I in a monolithic form selected from single crystal and ceramic, Ax (M, Mn)Fy (I) where 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 an [MFy] ion; and y is 5, 6, or 7.

    PROCESSES FOR PREPARING COLOR STABLE RED-EMITTING PHOSPHORS
    43.
    发明申请
    PROCESSES FOR PREPARING COLOR STABLE RED-EMITTING PHOSPHORS 审中-公开

    公开(公告)号：US20180002598A1

    公开(公告)日：2018-01-04

    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, AxMFy:Mn4+   I with a first fluorine-containing oxidizing agent in gaseous form at a first temperature ranging from about 200° C. to about 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, AxMFy   II to form a treated phosphor; and contacting the treated phosphor with a second fluorine-containing oxidizing agent in gaseous form at a second temperature of less than 225° C.; 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.

    Red-emitting phosphors, associated processes and devices
    46.
    发明授权
    Red-emitting phosphors, associated processes and devices 有权
    红色发光荧光体，相关工艺和器件

    公开(公告)号：US09512357B2

    公开(公告)日：2016-12-06

    申请号：US14337984

    申请日：2014-07-22

    Applicant: General Electric Company

    Inventor： James Edward Murphy

    IPC: C09K11/61 ,  C09K11/02 ,  H01L33/50

    CPC classification number: C09K11/617 ,  C09K11/616 ,  F21K9/64 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

    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.

    Abstract translation: 提出了一种合成Mn4 +掺杂磷光体的方法。 该方法包括使Mn4 +离子源与固体形式的含氢氟酸和式（II）的络合氟化合物的悬浮液接触，然后将A +离子源与悬浮液接触以形成Mn 4+掺杂的荧光体。 （II）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是5,6或7。

    Processes for preparing color stable manganese-doped complex fluoride phosphors
    47.
    发明授权
    Processes for preparing color stable manganese-doped complex fluoride phosphors 有权
    制备颜色稳定的锰掺杂复合氟化物荧光体的方法

    公开(公告)号：US09388336B2

    公开(公告)日：2016-07-12

    申请号：US14568396

    申请日：2014-12-12

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： James Edward Murphy ,  William Winder Beers ,  Robert Joseph Lyons ,  Fangming Du

    IPC: H01L33/50 ,  C09K11/61

    CPC classification number: C09K11/616 ,  H01L33/502 ,  H01L33/507 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00012

    Abstract: A process for preparing a color stable Mn4+ doped complex fluoride phosphor of formula I includes Ax(M(1−m), Mnm)Fy  (I) 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

    Abstract translation: 制备式I的颜色稳定的Mn4 +掺杂复合氟化物荧光体的方法包括与包含（1-m）份式H x M F y的化合物的第一HF水溶液接触的M 1（M（1-m），Mnm） 和包含m * n个分子式Ax [MnFy]化合物的第二HF水溶液与包含（1-n）份式Ax [MnF y]化合物和式AaX化合物的第一HF水溶液 以产生包含颜色稳定的Mn4 +掺杂的复合氟化物荧光体的沉淀物; 其中A为Li，Na，K，Rb，Cs，NR4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; R是H，低级烷基或它们的组合; X是阴离子; a是X阴离子电荷的绝对值; x是[MFy]离子的电荷的绝对值; y为5,6或7; 0

    Color stable red-emitting phosphors
    48.
    发明授权
    Color stable red-emitting phosphors 有权
    颜色稳定的红色发光荧光粉

    公开(公告)号：US09371481B2

    公开(公告)日：2016-06-21

    申请号：US14302907

    申请日：2014-06-12

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Florencio Garcia ,  Anant Achyut Setlur ,  James Edward Murphy ,  Srinivas Prasad Sista

    IPC: C09K11/61 ,  H05B33/12

    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[MFy]:Mn4+   I 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 [MFy] 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℃的任何温度下将含有式I的前体Ax [MFy]：Mn4 + I与气态的含氟氧化剂 形成; 在接触期间保持至少1小时的温度; 并且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[MFy]离子的电荷的绝对值; y是5,6或7。

    RED-EMITTING PHOSPHORS, ASSOCIATED PROCESSES AND DEVICES
    50.
    发明申请
    RED-EMITTING PHOSPHORS, ASSOCIATED PROCESSES AND DEVICES 有权
    红色荧光，相关工艺和器件

    公开(公告)号：US20160024378A1

    公开(公告)日：2016-01-28

    申请号：US14337984

    申请日：2014-07-22

    Applicant: General Electric Company

    Inventor： James Edward Murphy

    IPC: C09K11/61 ,  F21K99/00

    CPC classification number: C09K11/617 ,  C09K11/616 ,  F21K9/64 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

    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.

    Abstract translation: 提出了一种合成Mn4 +掺杂磷光体的方法。 该方法包括使Mn4 +离子源与固体形式的含氢氟酸和式（II）的络合氟化合物的悬浮液接触，然后将A +离子源与悬浮液接触以形成Mn 4+掺杂的荧光体。 （II）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是5,6或7。

Patent Agency Ranking