公开(公告)号：US09512356B2

公开(公告)日：2016-12-06

申请号：US14267434

申请日：2014-05-01

Applicant: GENERAL ELECTRIC COMPANY

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

IPC: C09K11/61 ,  C09K11/08 ,  H01L33/50

CPC classification number: C09K11/617 ,  H01L33/502 ,  H01L33/507 ,  H01L2224/48091 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: A process for preparing a Mn4+ doped phosphor of formula I Ax[MFy]:Mn+4   I includes combining in an acidic solution, an A+ cation, an anion of formula MFy, and a Mnn+ source comprising a fluoromanganese compound, precipitating a Mnn+ containing phosphor precursor from the acidic solution, and contacting the Mnn+ containing phosphor precursor 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 the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and n is 2 or 3.

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。

公开(公告)号：US20150315461A1

公开(公告)日：2015-11-05

申请号：US14267434

申请日：2014-05-01

Applicant: GENERAL ELECTRIC COMPANY

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

IPC: C09K11/61 ,  H01L33/50

CPC classification number: C09K11/617 ,  H01L33/502 ,  H01L33/507 ,  H01L2224/48091 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: A process for preparing a Mn4+ doped phosphor of formula I Ax[MFy]:Mn+4  I includes combining in an acidic solution, an A+ cation, an anion of formula MFy, and a Mnn+ source comprising a fluoromanganese compound, precipitating a Mnn+ containing phosphor precursor from the acidic solution, and contacting the Mnn+ containing phosphor precursor 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 the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and n is 2 or 3.

Abstract translation: 制备式I的掺杂Mn4 +的磷光体的方法Ax [MFy]：Mn + 4 I包括在酸性溶液中组合A +阳离子，式MFy的阴离子和包含氟锰酸化合物的Mnn +源，沉淀含Mnn + 荧光体前体，并且在高温下使含Mnn +的荧光体前体与气态的含氟氧化剂接触，以形成掺杂Mn 4+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; n为2或3。