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    Phosphor particles with a protective layer, and method for producing the phosphor particles with the protective layer
    31.
    发明授权
    Phosphor particles with a protective layer, and method for producing the phosphor particles with the protective layer 有权

    公开(公告)号：US11021652B2

    公开(公告)日：2021-06-01

    申请号：US16911050

    申请日：2020-06-24

    Applicant: OSRAM Opto Semiconductors GmbH ,  OSRAM GmbH

    Inventor： Tim Fiedler ,  Sonja Tragl ,  Stefan Lange

    IPC: C09K11/02 ,  C09K11/77 ,  C09K11/08

    Abstract: Phospher particles with a Protective Layer and a method for producing phosphor particles with a protective layer are disclosed. In an embodiment the method includes treating Si-containing and/or Al-containing phosphor with an acid solution, wherein a pH value of the acid solution is maintained within a range of pH 3.5 to pH 7 for a period of at least 1 h, wherein an Si-containing layer is formed on the phosphor particles, wherein the Si-containing layer has a higher content of Si on a surface than the phosphor particles, and/or wherein an Al-containing layer is formed on the phosphor particles, wherein the Al-containing layer has a modified content of aluminum on the surface than the phosphor particles and tempering the treated phosphor particles at a temperature of at least 100° C. thereby producing the protective layer.

    Radiation-emitting optoelectronic device
    34.
    发明授权
    Radiation-emitting optoelectronic device 有权

    公开(公告)号：US10411170B2

    公开(公告)日：2019-09-10

    申请号：US15570699

    申请日：2016-04-29

    Applicant: OSRAM Opto Semiconductors GmbH

    Inventor： Sonja Tragl ,  Dominik Eisert ,  Stefan Lange ,  Nils Kaufmann ,  Alexander Martin ,  Krister Bergenek

    IPC: H01L33/50 ,  C09K11/77 ,  A61B1/06 ,  H01L33/48 ,  H01L33/58 ,  H01L33/62

    Abstract: A radiation-emitting optoelectronic device, a method for using a radiation-emitting optoelectronic device and a method for making a radiation-emitting optoelectronic device are disclosed. In an embodiment, the device includes a semiconductor chip configured to emit a primary radiation and a conversion element including a conversion material which comprises Cr and/or Ni ions and a host material and which, during operation of the device, converts the primary radiation emitted by the semiconductor chip into a secondary radiation of a wavelength between 700 nm and 2000 nm, wherein the host material comprises EAGa12O19, AyGa5O(15+y)/2, AE3Ga2O14, Ln3Ga5GeO14, Ga2O3, Ln3Ga5.5D0.5O14 or Mg4D2O9, wherein EA=Mg, Ca, Sr and/or Ba, A=Li, Na, K and/or Rb, AE=Mg, Ca, Sr and/or Ba, Ln=La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and/or Lu and D=Nb and/or Ta, and wherein y=0.9-1.9.

    LIGHTING DEVICE
    35.
    发明申请
    LIGHTING DEVICE 审中-公开

    公开(公告)号：US20190093011A1

    公开(公告)日：2019-03-28

    申请号：US16202188

    申请日：2018-11-28

    Applicant: OSRAM Opto Semiconductors GmbH

    Inventor： Markus Seibald ,  Dominik Baumann ,  Tim Fiedler ,  Stefan Lange ,  Hubert Huppertz ,  Daniel Dutzler ,  Thorsten Schroeder ,  Daniel Bichler ,  Gudrun Plundrich ,  Simon Peschke ,  Gregor Hoerder ,  Gina Maya Achrainer ,  Klaus Wurst

    IPC: C09K11/77 ,  C09K11/08 ,  H01L33/50

    CPC classification number: C09K11/7734 ,  C09K11/0883 ,  H01L33/502

    Abstract: A lighting device is specified. The lighting device comprises a phosphor having the general molecular formula (MA)a(MB)b(MC)c(MD)d(TA)e(TB)f(TC)g(TD)h(TE)i(TF)j(XA)k(XB)l(XC)m(XD)n:E. In this case, MA is selected from a group of monovalent metals, MB is selected from a group of divalent metals, MC is selected from a group of trivalent metals, MD is selected from a group of tetravalent metals, TA is selected from a group of monovalent metals, TB is selected from a group of divalent metals, TC is selected from a group of trivalent metals, TD is selected from a group of tetravalent metals, TE is selected from a group of pentavalent elements, TF is selected from a group of hexavalent elements, XA is selected from a group of elements which comprises halogens, XB is selected from a group of elements which comprises O, S and combinations thereof, XC=N and XD=C and E=Eu, Ce, Yb and/or Mn. The following furthermore hold true: a+b+c+d=t; e+f+g+h+i+j=u; k+l+m+n=v; a+2b+3c+4d+e+2f+3g+4h+5i+6j−k−2l−3m−4n=w; 0.8≤t≤1; −3.5≤u≤4; 3.5≤v≤4; (−0.2)≤w≤0.2 and 0≤m 0.125 v.

    Phosphor Particles with a Protective Layer, and Method for Producing the Phosphor Particles with the Protective Layer
    36.
    发明申请
    Phosphor Particles with a Protective Layer, and Method for Producing the Phosphor Particles with the Protective Layer 审中-公开

    公开(公告)号：US20180044585A1

    公开(公告)日：2018-02-15

    申请号：US15556279

    申请日：2016-03-01

    Applicant: OSRAM Opto Semiconductors GmbH ,  OSRAM GmbH

    Inventor： Tim Fiedler ,  Sonja Tragl ,  Stefan Lange

    IPC: C09K11/02 ,  C09K11/08 ,  C09K11/77

    Abstract: Phospher particles with a Protective Layer and a method for producing phosphor particles with a protective layer are disclosed. In an embodiment the method includes treating Si-containing and/or Al-containing phosphor with an acid solution, wherein a pH value of the acid solution is maintained within a range of pH 3.5 to pH 7 for a period of at least 1 h, wherein an Si-containing layer is formed on the phosphor particles, wherein the Si-containing layer has a higher content of Si on a surface than the phosphor particles, and/or wherein an Al-containing layer is formed on the phosphor particles, wherein the Al-containing layer has a modified content of aluminum on the surface than the phosphor particles and tempering the treated phosphor particles at a temperature of at least 100° C. thereby producing the protective layer.

    Lighting modules, lighting apparatus and electronic devices
    39.
    发明授权
    Lighting modules, lighting apparatus and electronic devices 有权
    照明模块，照明设备和电子设备

    公开(公告)号：US09150784B1

    公开(公告)日：2015-10-06

    申请号：US14527971

    申请日：2014-10-30

    Applicant: OSRAM Opto Semiconductors GmbH ,  OSRAM GmbH

    Inventor： Ion Stoll ,  Stefan Lange ,  Michael Schumann

    IPC: H01J1/62 ,  H01J63/04 ,  C09K11/08 ,  H05B33/14 ,  H01L33/50 ,  C09K11/77

    CPC classification number: C09K11/0883 ,  C09K11/7734 ,  C09K11/7792 ,  H01L33/502 ,  H01L33/504 ,  H05B33/14

    Abstract: A lighting module includes an optoelectronic semiconductor chip and a converter element for wavelength conversion. The optoelectronic semiconductor chip emits electromagnetic radiation including a dominant wavelength of 430 nm to 450 nm. The converter element includes a first phosphor and a second phosphor. The first phosphor is a garnet phosphor. The first phosphor emits electromagnetic radiation including a wavelength from the blue-green spectral range. The second phosphor is a nitrido-silicate phosphor. The second phosphor emits electromagnetic radiation including a wavelength from the orange-red spectral range.

    Abstract translation: 照明模块包括光电子半导体芯片和用于波长转换的转换器元件。 光电子半导体芯片发射包括430nm至450nm的主波长的电磁辐射。 转换器元件包括第一荧光体和第二荧光体。 第一荧光体是石榴石荧光体。 第一荧光体发射包括蓝 - 绿光谱范围的波长的电磁辐射。 第二荧光体是氮化硅酸盐荧光体。 第二荧光体发射包括来自橙红色光谱范围的波长的电磁辐射。

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