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11.
公开(公告)号:US20190048466A1
公开(公告)日:2019-02-14
申请号:US16079280
申请日:2017-03-01
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Sonja Tragl , Tim Fiedler , Frank Jermann
Abstract: A method for producing phosphor particles with at least one first protective layer and a phosphor particles having at least one protective layer are disclosed. In an embodiment, a method includes providing phosphor particles and applying at least one first protective layer to the surface of the phosphor particles, wherein the at least of first protective layer include depositing a first starting compound by a first atomic layer deposition on the surface of the phosphor particles and depositing a second starting compound by a second atomic layer deposition on the surface of the phosphor particles.
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公开(公告)号:US20180148644A1
公开(公告)日:2018-05-31
申请号:US15572449
申请日:2016-05-06
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Markus Seibald , Tim Fiedler , Dominik Baumann , Hubert Huppertz , Klaus Wurst , Gunter Heymann , Dominik Wilhelm
Abstract: A phosphor is disclosed. In an embodiment the phosphor includes an inorganic compound having at least one activator E and N and/or O in its empirical formula, wherein E is selected from the group consisting of Mn, Cr, Ni, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Yb, Tm, Li, Na, K, Rb, Cs and combinations thereof, and wherein the inorganic compound crystallizes in a crystal structure with the same atomic sequence as in K2Zn6O7.
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公开(公告)号:US09719013B2
公开(公告)日:2017-08-01
申请号:US15094702
申请日:2016-04-08
Applicant: OSRAM Opto Semiconductors GmbH , OSRAM GmbH
Inventor: Tim Fiedler , Daniel Bichler , Stefan Lange , Rebecca Römer , Frank Jermann , Frauke Thienel , Barbara Huckenbeck , Alexander Baumgartner , Vera Stöppelkamp , Norbert Bönisch , Hailing Cui
CPC classification number: C09K11/7721 , C09K11/0883 , C09K11/646 , C09K11/7728 , C09K11/7734 , C09K11/7774 , H01L27/322 , H01L33/502 , H01L2224/48091 , H01L2224/48247 , H01L2224/73265 , H01L2924/00014
Abstract: A phosphor is disclosed. In an embodiment a phosphor includes an inorganic substance which includes, in its composition, at least an element D, an element Al, an element AX, an element SX and an element NX where D includes one, two or more elements selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, alkali metals and Yb, Al includes one, two or more elements selected from the group consisting of divalent metals not included in D, SX includes one, two or more elements selected from the group consisting of tetravalent metals, AX includes one, two or more elements selected from the group consisting of trivalent metals, and NX includes one, two or more elements selected from the group consisting of O, N, S, C, Cl, and F, wherein the inorganic substance has the same crystal structure as Sr(SraCa1-a)Si2Al2N61.
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公开(公告)号:US20140284649A1
公开(公告)日:2014-09-25
申请号:US14349751
申请日:2012-09-26
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Alexander Baumgartner , Frank Jermann , Stefan Lange , Tim Fiedler
CPC classification number: C09K11/7728 , C09K11/7734 , C09K11/7774 , H01L33/504 , H01L2224/32245 , H01L2224/48091 , H01L2224/48247 , H01L2224/73265 , H01L2924/12044 , H01L2924/00014 , H01L2924/00
Abstract: An optoelectronic component includes a layer sequence having an active region that emits primary electromagnetic radiation, wherein the primary electromagnetic radiation has a wavelength of 430 nm to 470 nm, a conversion material arranged in a beam path of the primary electromagnetic radiation and at least partly converts the primary electromagnetic radiation into a secondary electromagnetic radiation, wherein the conversion material includes a first phosphor having general composition A3B5O12, wherein A is a combination of Lu and Ce, and wherein B is a combination of Al and Ga.
Abstract translation: 光电子部件包括具有发射初级电磁辐射的有源区的层序列,其中初级电磁辐射具有430nm至470nm的波长,布置在主电磁辐射的光束路径中的转换材料,并且至少部分转换 所述主电磁辐射进入次级电磁辐射,其中所述转换材料包括具有总体组成A3B5O12的第一荧光体,其中A是Lu和Ce的组合,并且其中B是Al和Ga的组合。
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公开(公告)号:US11639465B2
公开(公告)日:2023-05-02
申请号:US16202182
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
Abstract: A phosphor is specified. The phosphor has 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, -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−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.-
公开(公告)号:US20220315836A1
公开(公告)日:2022-10-06
申请号:US17837053
申请日:2022-06-10
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
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.-
公开(公告)号:US11292965B2
公开(公告)日:2022-04-05
申请号:US16890577
申请日:2020-06-02
Applicant: OSRAM Opto Semiconductors GmbH , OSRAM GmbH
Inventor: Tim Fiedler , Daniel Bichler , Stefan Lange , Rebecca Römer , Frank Jermann , Frauke Thienel , Barbara Huckenbeck , Alexander Baumgartner , Vera Stöppelkamp , Norbert Bönisch , Hailing Cui
Abstract: A phosphor and a method for making the phosphor are disclosed. In an embodiment a phosphor for emission of red light includes Sr(SraCa1-a)Si2Al2N6:Eu, wherein x is 0.8
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18.
公开(公告)号:US20200332182A1
公开(公告)日:2020-10-22
申请号:US16911050
申请日:2020-06-24
Applicant: OSRAM Opto Semiconductors GmbH , OSRAM GmbH
Inventor: Tim Fiedler , Sonja Tragl , Stefan Lange
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.
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公开(公告)号:US20190144745A1
公开(公告)日:2019-05-16
申请号:US16202182
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
Abstract: A phosphor is specified. The phosphor has 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, -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−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.
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公开(公告)号:US20170306224A1
公开(公告)日:2017-10-26
申请号:US15649385
申请日:2017-07-13
Applicant: OSRAM Opto Semiconductors GmbH , OSRAM GmbH
Inventor: Tim Fiedler , Daniel Bichler , Stefan Lange , Rebecca Römer , Frank Jermann , Frauke Thienel , Barbara Huckenbeck , Alexander Baumgartner , Vera Stöppelkamp , Norbert Bönisch , Hailing Cui
Abstract: 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(SraM1−a)Si2Al2(N,X)6: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.
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