Osram Opto Semiconductors Gmbh

Osram Oled Gmbh

Osram Gmbh

Infineon Technologies Ag

Infineon Technologies Austria Ag

Osram Opto Semiconductor Gmbh

Daniel Bichler

Stefan Lange

Tim Fiedler

Simon Peschke

Thorsten Schroeder

Gudrun Plundrich

Dominik Baumann

Markus Seibald

Hubert Huppertz

Gina Maya Achrainer

Klaus Wurst

Gregor Hoerder

Barbara Huckenbeck

Daniel Dutzler

Frank Jermann

Hailing Cui

Alexander Baumgartner

Rebecca Römer

Vera Stöppelkamp

Frauke Thienel

Norbert Bönisch

Christian Koch

Simon Dallmeir

Johanna Strube-Knyrim

Guido Stromberg

Manuel Loew

Daniel Barisic

Martin Krogmann

Thomas Lentsch

Sonja Tragl

Juliane Kechele

Bianca Pohl-Klein

Mark Vorsthove

Jutta Thoma

Ion Stoll

Martin Krueger

Madis Raukas

Martin Mandl

Franz Zwaschka

Yi Zheng

Martin Straβburg

Jing Hu

Tilman Schimpke

Christiane Stoll

Philipp Schmid

Markus Schmid

Juergen Stahl

Raquel De La Peña Alonso

Rebecca RÖMER

A lighting device includes a phosphor having the general molecular formula (MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(X D):E. 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.

Lighting device

A luminophore having the general empirical formula X′A′(AlA′)O:E′ that crystallizes in a tetragonal crystal system.

Yellow luminophore and light source

A lighting device is specified. The lighting device comprises a phosphor having the general molecular formula (MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(XD):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<0.875 v and/or v≥l>0.125 v.

A phosphor may have the general formula EAADON:RE. EA may be selected from the group of divalent elements. A may be selected from the group of monovalent, divalent or trivalent elements. D may be selected from the group of trivalent or tetravalent elements. RE may be an activator element. 0&#x2264;x&#x2264;8, and &#x3b5;(4+4y+3z)=3(8&#x2212;x)+2x with the charge number y of element A, the charge number z of element D, and &#x3b5;=0.9-1.1.

Phosphor, method of producing a phosphor, and radiation emitting device

A phosphor is specified. The phosphor has the general molecular formula: (MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(XD):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, -E=Eu, Ce, Yb and/or Mn, XC&#x2550;N and XD=C. 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&#x2212;k&#x2212;2l&#x2212;3m&#x2212;4n=w; 0.8&#x2264;t&#x2264;1; 3.5&#x2264;u&#x2264;4; 3.5&#x2264;v&#x2264;4; (&#x2212;0.2)&#x2264;w&#x2264;0.2 and 0&#x2264;m&#x3c;0.875 v and/or v&#x2265;l&#x3e;0.125 v.

Phosphor and method for producing the phosphor

A lighting device is specified. The lighting device comprises a phosphor having the general molecular formula (MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(XD):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&#x2212;k&#x2212;2l&#x2212;3m&#x2212;4n=w; 0.8&#x2264;t&#x2264;1; &#x2212;3.5&#x2264;u&#x2264;4; 3.5&#x2264;v&#x2264;4; (&#x2212;0.2) w&#x2264;0.2 and 0&#x2264;m&#x3c;0.875 v and/or v&#x2265;l&#x3e;0.125 v.

A luminophore may have the general empirical formula XAZO:E, where:

Luminescent substance and illuminating device

A phosphor and a method for making the phosphor are disclosed. In an embodiment a phosphor for emission of red light includes Sr(SrCa)SiAlN:Eu, wherein x is 0.8&#x3c;x&#x2264;1, wherein between 0.1% and 5% inclusive of the Sr, Ca and/or Sr/Ca lattice sites are replaced by Eu, wherein the parameter value a is between 0.6 and 1.0 inclusive, wherein the phosphor has a structure comprising (Si/Al)Ntetrahedra arranged in a 3D network, in which layers in an a-c plane are linked in a b-direction, and wherein pure Sr positions and positions having a mixed Sr/Ca population are intercalated between the network, layer by layer.

Phosphor, method for producing a phosphor and use of a phosphor

Wavelength converters including coarse particles/grains of a red nitride phosphor are disclosed. In some embodiments the red nitride phosphor is a (Ca,Sr,Ba)SiN:Eu phosphor with a D50 grain size or a D50 particle size that is &#x2265;5 microns. The red nitride phosphor may be encapsulated within an organic matrix or present in an inorganic matrix. In the latter case, the inorganic matrix may include fine grains with a D50 grain size &#x3c;5 microns. Methods of making such wavelength converters and devices including such wavelength converters are also described.

Stable red ceramic phosphors and technologies including the same

The invention relates to a red-emitting luminescent material of the formula AE16&#x2212;xCexSi17&#x2212;zAlzN32+y&#x2212;zO2&#x2212;y+z wherein AE=Mg, Ca, Sr and/or Ba, 0&#x3c;x&#x2264;2, 0&#x2264;y&#x3c;5, 0&#x2264;z&#x2264;3 and y+z&#x3c;2.

A lighting device is specified. The lighting device comprises a phosphor having the general molecular formula(MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(XD):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 phosphor and a lighting device are disclosed. In an embodiment a lighting device includes a first phosphor disposed in a beam path of the primary radiation source, wherein the first phosphor has the formula Sr(SrM)SiAl(N,X):D,A,B,E,G,L, wherein element M is selected from Ca, Ba, Mg or combinations thereof, wherein element D is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, alkali metals or Yb, wherein element A is selected from divalent metals different than those of the elements M and D, wherein element B is selected from trivalent metals, wherein element E is selected from monovalent metals, wherein element G is selected from tetravalent elements, wherein element L is selected from trivalent elements, wherein element X is selected from O or halogen, and wherein a parameter a is between 0.6 and 1.0.

A lighting device is specified. The lighting device comprises a phosphor having the general molecular formula (MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(XD):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&#x2212;k&#x2212;2l&#x2212;3m&#x2212;4n=w; 0.8&#x2264;t&#x2264;1; &#x2212;3.5&#x2264;u&#x2264;4; 3.5&#x2264;v&#x2264;4; (&#x2212;0.2)&#x2264;w&#x2264;0.2 and 0&#x2264;m&#x3c;0.875 v and/or v&#x2265;1&#x3e;0.125 v.

A lighting device is specified. The lighting device comprises a phosphor having the general molecular formula(MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(XD):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&#x2212;k&#x2212;2l&#x2212;3m&#x2212;4n=w; 0.8&#x2264;t&#x2264;1; &#x2212;3.5&#x2264;u&#x2264;4; 3.5&#x2264;v&#x2264;4; (&#x2212;0.2)&#x2264;w&#x2264;0.2 and 0&#x2264;m&#x2264;0.875 v and/or v&#x2265;1&#x3e;0.125 v.

A phosphor is specified. The phosphor has the general molecular formula: (MA)(MB)(MC)(MD)(TA)(TB)(TC)(TD)(TE)(TF)(XA)(XB)(XC)(XD):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, &#x2014;E=Eu, Ce, Yb and/or Mn, XC=N and XD=C. 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&#x2212;k&#x2212;2l&#x2212;3m&#x2212;4n=w; 0.8&#x2264;t&#x2264;1; 3.5&#x2264;u&#x2264;4; 3.5&#x2264;v&#x2264;4; (&#x2212;0.2)&#x2264;w&#x2264;0.2 and 0&#x2264;m&#x3c;0.875 v and/or v&#x2265;l&#x3e;0.125 v.

Growing community of inventors

Augsburg, Germany

Daniel Bichler