公开(公告)号：US20150315462A1

公开(公告)日：2015-11-05

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 ,  H01L33/50

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的掺杂Mn4 +的磷光体的方法Ax [MFy]：Mn + 4I包括使式Ax [MFy]化合物，式AX化合物和包含荧光化合物的Mn + n源的混合物 ，在高温下用气态的含氟氧化剂，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F，Cl，Br，I，HF 2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2,3或4。