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    • 5. 发明公开
    • PROCESSES FOR PREPARING COLOR STABLE MANGANESE-DOPED COMPLEX FLUORIDE PHOSPHORS
    • VERFAHREN ZUR HERSTELLUNG VON FARBSTABILEN MANGANDOTIERTEN KOMPLEXEN FLUORIDLEUCHTSTOFFEN
    • EP3080230A1
    • 2016-10-19
    • EP14821427.3
    • 2014-12-12
    • General Electric Company
    • MURPHY, James EdwardDU, FangmingBEERS, William WinderLYONS, Robert Joseph
    • C09K11/61
    • C09K11/616H01L33/502H01L33/507H01L2224/48247H01L2224/48257H01L2924/181H01L2924/00012
    • A process for preparing a color stable Mn
      4+ doped complex fluoride phosphor of formula (I) includes: A
      x (M
      (1-m) , Mn
      m ) F
      y ; contacting a first aqueous HF solution comprising (1-m) parts of a compound of formula H
      x MF
      y , and a second aqueous HF solution comprising m*n parts of a compound of formula A
      x [MnF
      y ], with a third aqueous HF solution comprising (1 -n) parts of the compound of formula A
      x [MnF
      y ] and a compound of formula A
      a X, to yield a precipitate comprising the color stable Mn
      4+ doped complex fluoride phosphor; wherein A is Li, Na, K, Rb, Cs, NR
      4 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 [MF
      y ] ion; y is 5, 6 or 7; 0
    • 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),M nm) 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化合物的第三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为H,低级烷基或其组合; 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
    • 6. 发明公开
    • WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE
    • 波长转换部件和发光装置
    • EP2940745A1
    • 2015-11-04
    • EP13868903.9
    • 2013-12-26
    • Shin-Etsu Chemical Co., Ltd.
    • TSUMORI ToshihiroKANEYOSHI MasamiISHII MasatoshiMINOWA Takehisa
    • H01L33/50C09K11/61C09K11/66C09K11/67
    • C09K11/616C09K11/02C09K11/617C09K11/7774H01L33/502H01L33/507
    • Disclosed is a wavelength conversion member which is a resin-molded article made of at least one type of thermoplastic resin selected from the group consisting of polyolefins, polystyrene, styrene copolymers, fluorocarbon resins, acrylic resins, nylons, polyester resins, polycarbonate resins, vinyl chloride resins, and polyether resins, the thermoplastic resin(s) containing less than or equal to 30 mass% of a complex fluoride fluorophore represented by A 2 (M 1-x Mn x )F 6 (in the formula: M is at least one type of tetravalent element selected from Si, Ti, Zr, Hf, Ge, and Sn; A is at least one type of alkali metal selected from Li, Na, K, Rb, and Cs and including at least Na and/or K; and x is from 0.001 to 0.3) and having a particle diameter D50, which is the median diameter at a cumulative volume of 50% in particle size distribution, of from 2 µm to 200 µm inclusive, the complex fluoride fluorophore being dispersed in the thermoplastic resin(s).
    • 公开了一种波长转换部件,其是由选自聚烯烃,聚苯乙烯,苯乙烯共聚物,氟碳树脂,丙烯酸树脂,尼龙,聚酯树脂,聚碳酸酯树脂,乙烯基类树脂 氯化物树脂和聚醚树脂中,含有A2(M1-xMnx)F6(式:M)所示的复合氟化物荧光体小于或等于30质量%的热塑性树脂为至少一种四价元素 选自Si,Ti,Zr,Hf,Ge和Sn; A是至少一种选自Li,Na,K,Rb和Cs并至少包括Na和/或K的碱金属; x是从 0.001〜0.3),粒径分布中的累积体积50%的中值粒径D50为2μm以上且200μm以下的复合氟化物荧光体分散于热塑性树脂中, 。