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公开(公告)号:US10711191B2
公开(公告)日:2020-07-14
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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公开(公告)号:US10190046B2
公开(公告)日:2019-01-29
申请号:US15101094
申请日:2014-11-18
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Rebecca Römer , Barbara Huckenbeck , Stefan Lange , Hailing Cui
IPC: C09K11/77 , F21S8/08 , H01L33/50 , C09K11/08 , F21Y115/10 , F21W131/103
Abstract: A luminescent material mixture has a first luminescent material and a second luminescent material, wherein, under excitation with blue light, an emission spectrum of the first luminescent material has a relative intensity maximum in a yellowish-green region of the spectrum at a wavelength of greater than or equal to 540 nm and less than or equal to 560 nm and an emission spectrum of the second luminescent material has a relative intensity maximum in an orange-red region of the spectrum at a wavelength of greater than or equal to 600 nm and less than or equal to 620 nm.
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13.
公开(公告)号:US09966503B2
公开(公告)日:2018-05-08
申请号:US15038562
申请日:2014-12-18
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Martin Straβburg , Martin Mandl , Tilman Schimpke , Ion Stoll , Barbara Huckenbeck , Franz Zwaschka , Daniel Bichler
CPC classification number: H01L33/502 , H01L27/156 , H01L33/08 , H01L33/24 , H01L33/32 , H01L33/504 , H01L33/505 , H01L33/56 , H01L2933/0041 , H01L2933/005 , H01L2933/0091
Abstract: An optoelectronic semiconductor component and a method for manufacturing an optoelectronic semiconductor component are disclosed. In an embodiment, the component includes a plurality of active regions configured to generate a primary radiation and a plurality of luminescent material particles configured to convert the primary radiation into a secondary radiation, wherein the active regions are arranged spaced apart from each other, wherein each active region has a main extension direction, wherein each active region has a core region comprising a first semiconductor material, wherein each active region has an active layer covering the core region, wherein each active region has a cover layer comprising a second semiconductor material and covering the active layer, wherein at least some of the luminescent material particles are arranged between the active regions, and wherein a diameter of a majority of the luminescent material particles is smaller than a distance between two adjacent active regions.
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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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