Patents by Inventor Peter Josef Schmidt
Peter Josef Schmidt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20200326277Abstract: A luminescent material is disclosed with emission in the near infrared wavelength range, the luminescent material including Sc1-x-yAyRE:Crx, wherein MO=P3O9, BP3O12, SiP3O12; A=Lu, In, Yb, Tm, Y, Ga, Al, where 0?x?0.75, 0?y?0.9. A wavelength converting structure including the luminescent phosphor is also disclosed.Type: ApplicationFiled: March 24, 2020Publication date: October 15, 2020Inventor: Peter Josef SCHMIDT
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Patent number: 10790417Abstract: In embodiments of the invention, a light emitting device includes a semiconductor structure including a light emitting layer disposed between an n-type region and a p-type region. A first wavelength converting layer is disposed in a path of light emitted by the light emitting layer. The first wavelength converting layer may be a wavelength converting ceramic. A second wavelength converting layer is fused to the first wavelength converting layer. The second wavelength converting layer may be a wavelength converting material disposed in glass.Type: GrantFiled: April 22, 2019Date of Patent: September 29, 2020Assignee: Lumileds LLCInventors: April Schricker, Oleg Borisovich Shchekin, Han Choi, Peter Josef Schmidt
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Patent number: 10770627Abstract: Embodiments of the invention include an infrared-emitting phosphor comprising (La,Gd)3Ga5?x?yAlxSiO14:Cry, where 0?x?1 and 0.02?y?0.08. In some embodiments, the infrared-emitting phosphor is a calcium gallogermanate material. In some embodiments, the infrared-emitting phosphor is used with a second infrared-emitting phosphor. The second infrared-emitting phosphor is one or more chromium doped garnets of composition Gd3?x1Sc2?x2?yLux1+x2Ga3O12:Cry, where 0.02?x1?0.25, 0.05?x2?0.3 and 0.04?y?0.12.Type: GrantFiled: September 12, 2018Date of Patent: September 8, 2020Assignee: Lumileds Holding B.V.Inventors: Peter Josef Schmidt, Rob Engelen, Thomas Diederich
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Publication number: 20200227598Abstract: Embodiments of the invention include an infrared-emitting phosphor comprising (La,Gd)3Ga5?x?yAlxSiO14:Cry, where 0?x?1 and 0.02?y?0.08. In some embodiments, the infrared-emitting phosphor is a calcium gallogermanate material. In some embodiments, the infrared-emitting phosphor is used with a second infrared-emitting phosphor. The second infrared-emitting phosphor is one or more chromium doped garnets of composition Gd3?x1Sc2?x2?yLux1+x2Ga3O12:Cry, where 0.02?x1?0.25, 0.03?x2?0.3 and 0.04?y?0.12.Type: ApplicationFiled: September 12, 2018Publication date: July 16, 2020Applicant: Lumileds Holding B.V.Inventors: Peter Josef SCHMIDT, Rob ENGELEN, Thomas DIEDERICH
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Publication number: 20200220053Abstract: Embodiments of the invention include a light source and a wavelength converting structure disposed in a path of light emitted by the light source. The wavelength converting structure includes a first phosphor that emits infrared light and a second phosphor that emits visible light. In some embodiments, the light source emits first light, the second phosphor absorbs the first light and emits second light, and the first phosphor absorbs the first light and emits third light and absorbs the second light and emits fourth light.Type: ApplicationFiled: September 13, 2018Publication date: July 9, 2020Inventors: Peter Josef SCHMIDT, Detlef WIECHERT
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Patent number: 10611961Abstract: The invention provides a lighting unit (100) comprising a light source (10), configured to generate light source light (11) and a luminescent material (20), configured to convert at least part of the light source light (11) into luminescent material light (51), wherein the luminescent material (20) comprises a phosphor (40), wherein this phosphor comprises an alkaline earth aluminum nitride based material having a cubic crystal structure with T5 supertetrahedra, wherein the T5 supertetrahedra comprise at least Al and N, and wherein the alkaline earth aluminum nitride based material further comprises a luminescent lanthanide incorporated therein.Type: GrantFiled: March 10, 2015Date of Patent: April 7, 2020Assignee: LUMILEDS LLCInventors: Volker Weiler, Peter Josef Schmidt, Philipp Alexander Hubert Pust, Wolfgang Schnick
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Patent number: 10539275Abstract: The invention provides, amongst others for application in a lighting unit, a phosphor selected from the class of M2D2C2-2bBbA2N6:Ln??(I) with M=selected from the group consisting of divalent Ca, Sr, and Ba; D=selected from the group consisting of monovalent Li, divalent Mg, Mn, Zn, Cd, and trivalent Al and Ga; C=selected from the group consisting of monovalent Li and Cu; B=selected from the group consisting of divalent Mg, Zn, Mn and Cd; A=selected from the group consisting of tetravalent Si, Ge, Ti, and Hf; Ln=selected from the group consisting of ES and RE; ES=selected from the group consisting of divalent Eu, Sm and Yb; RE=selected from the group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, and Tm; and 0?b?1.Type: GrantFiled: November 5, 2015Date of Patent: January 21, 2020Assignee: Koninklijke Philips N.V.Inventors: Peter Josef Schmidt, Philipp-Jean Strobel, Sebastian Florian Schmiechen, Cora Sieglinde Hecht, Volker Weiler, Wolfgang Schnick
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Patent number: 10533132Abstract: Embodiments of the invention include a semiconductor light emitting device with a light emitting layer disposed between an n-type region and a p-type region. The light emitting layer emits first light. The device further includes AE1-xLi2Be4O6:Eux, wherein AE=one or more of Sr, Ba, Ca, disposed in the path of the first light. The AE1-xLi2Be4O6:Eux absorbs first light and emits second light. In some embodiments, the first light and second light may be blue.Type: GrantFiled: March 21, 2019Date of Patent: January 14, 2020Assignees: Lumileds Holding B.V., Ludwig-Maximillians-Universitaet MuenchenInventors: Philipp-Jean Strobel, Peter Josef Schmidt, Wolfgang Schnick
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Publication number: 20190393384Abstract: Embodiments of the invention include a luminescent ceramic including (Ba1-xSrx)2-zSi5-yO4yN8-4y:Euz 258 phase wavelength converting material (0.5?x?0.9; 0?y?1; 0.001?z?0.02) and M3Si3O3N4 3334 phase material (M=Ba, Sr, Eu). The M3Si3O3N4 3334 phase material comprises no more than 5 weight % of the material.Type: ApplicationFiled: September 14, 2017Publication date: December 26, 2019Applicant: Lumileds LLCInventors: Christoph MARTINY, Peter Josef SCHMIDT, Oliver STEIGELMANN, Cora HECHT
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Publication number: 20190322932Abstract: Embodiments of the invention include a semiconductor light emitting device with a light emitting layer disposed between an n-type region and a p-type region. The light emitting layer emits first light. The device further includes AE1-xLi2Be4O6:Eux, wherein AE=one or more of Sr, Ba, Ca, disposed in the path of the first light. The AE1-xLi2Be4O6:Eux absorbs first light and emits second light. In some embodiments, the first light and second light may be blue.Type: ApplicationFiled: March 21, 2019Publication date: October 24, 2019Applicants: Lumileds Holding B.V., Ludwig-Maximilians-Universitaet MuenchenInventors: Philipp-Jean STROBEL, Peter Josef SCHMIDT, Wolfgang SCHNICK
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Publication number: 20190309224Abstract: Embodiments of the invention are directed to a luminescent ceramic including a first phase and a second phase. The first phase is R3?x?y?z+w2A1.5x+y?w2MzSi6?w1?w2Alw1?w2N11?y?w1Oy+w1. R is selected from the group comprising trivalent La, Gd, Tb, Y, Lu; A is selected from the group comprising bivalent Ca, Mg, Sr, Ba, and Eu; and M is selected from the group comprising trivalent Ce, Pr and Sm. The second phase may be or comprise, for example, RE3ASi5N9O2 and RESi3N5, wherein RE is at least one rare-earth element selected from the group consisting of La, Gd, Lu, Y, Ce and Sc and wherein A is at least one metal element selected from the group consisting of Ba, Sr, Ca, Mg, Zn and Eu.Type: ApplicationFiled: April 2, 2019Publication date: October 10, 2019Inventors: Christoph MARTINY, Peter Josef SCHMIDT, Christian MAAK, Wolfgang SCHNICK
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Publication number: 20190252580Abstract: In embodiments of the invention, a light emitting device includes a semiconductor structure including a light emitting layer disposed between an n-type region and a p-type region. A first wavelength converting layer is disposed in a path of light emitted by the light emitting layer. The first wavelength converting layer may be a wavelength converting ceramic. A second wavelength converting layer is fused to the first wavelength converting layer. The second wavelength converting layer may be a wavelength converting material disposed in glass.Type: ApplicationFiled: April 22, 2019Publication date: August 15, 2019Inventors: April SCHRICKER, Oleg Borisovich SHCHEKIN, Han CHOI, Peter Josef SCHMIDT
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Publication number: 20190225881Abstract: Embodiments of the invention include a light source and a nitridoberyllate phosphor disposed in a path of light emitted by the light source. The nitridoberyllate phosphor includes a trigonal planar BeN3 structure and/or a tetrahedral Be(N,O)4 structure.Type: ApplicationFiled: January 18, 2019Publication date: July 25, 2019Applicants: Lumileds Holding B.V., Ludwig-Maximilians-Universitaet MuenchenInventors: Peter Josef SCHMIDT, Philipp-Jean STROBEL, Wolfgang SCHNICK
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Publication number: 20190198720Abstract: A wavelength converting layer is disclosed that includes a plurality of phosphor grains 50-500 nm in size and encapsulated in cerium free YAG shells and a binder material binding the plurality of phosphor grains, the wavelength converting layer having a thickness of 5-20 microns attached to the light emitting surface.Type: ApplicationFiled: December 19, 2018Publication date: June 27, 2019Applicant: Lumileds LLCInventors: Danielle Russell CHAMBERLIN, Kentaro SHIMIZU, Peter Josef SCHMIDT, Daniel Bernardo ROITMAN
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Publication number: 20190189865Abstract: A wavelength converting layer is partially diced to generate a first and second wavelength converting layer segment and to allow partial isolation between the first segment and the second segment such that the wavelength converting layer segments are connected by a connecting wavelength converting layer. The first and second wavelength converting layer segments are attached to a first and second light emitting device, respectively to create a first and second pixel. The connecting wavelength converting layer segment is removed to allow complete isolation between the first pixel and the second pixel. An optical isolation material is applied to exposed surfaces of the first and second pixel and a sacrificial portion of the wavelength converting layer segments and optical isolation material attached to the sacrificial portion is removed from a surface facing away from the first light emitting device, to expose a emitting surface of the first wavelength converting layer segment.Type: ApplicationFiled: December 19, 2018Publication date: June 20, 2019Applicant: Lumileds LLCInventors: Kentaro SHIMIZU, Hisashi MASUI, Yu-Chen SHEN, Danielle Russell CHAMBERLIN, Peter Josef SCHMIDT
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Patent number: 10312417Abstract: In a method according to embodiments of the invention, for a predetermined amount of light produced by a light emitting diode and converted by a phosphor layer comprising a host material and a dopant, and for a predetermined maximum reduction in efficiency of the phosphor at increasing excitation density, a maximum dopant concentration of the phosphor layer is selected.Type: GrantFiled: December 23, 2015Date of Patent: June 4, 2019Assignee: Koninklijke Philips N.V.Inventors: Gerd Mueller, Regina Mueller-Mach, Peter Josef Schmidt, Danielle Russell Chamberlin, Oleg Borisovich Shchekin, Hans-Helmut Bechtel
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Patent number: 10270013Abstract: In embodiments of the invention, a light emitting device includes a semiconductor structure including a light emitting layer disposed between an n-type region and a p-type region. A first wavelength converting layer is disposed in a path of light emitted by the light emitting layer. The first wavelength converting layer may be a wavelength converting ceramic. A second wavelength converting layer is fused to the first wavelength converting layer. The second wavelength converting layer may be a wavelength converting material disposed in glass.Type: GrantFiled: August 17, 2017Date of Patent: April 23, 2019Assignee: LUMILEDS LLCInventors: April Dawn Schricker, Oleg Borisovich Shchekin, Han Ho Choi, Peter Josef Schmidt
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Publication number: 20190010395Abstract: Embodiments of the invention include a wavelength-converting composition as defined by R3?x?y?2Ax+yMzSi6?w1Alw1O3x+y+w1N11?7x/3?y?w1?2?2x/3, with ? being vacancies of the structure that are filled by oxygen atoms with 0<x?3, ?3?y<3, 0<z<1,0?w1?6, 0?x+y, x?y+z?3, 11?7/3x?y?w1?0, and 3x+y+w1?13. R is selected from the group comprising trivalent La, Gd, Tb, Y, Lu; A is selected from the group comprising bivalent Ca, Mg, Sr, Ba, and Eu; and M is selected from the group comprising trivalent Ce, Pr and Sm.Type: ApplicationFiled: February 21, 2017Publication date: January 10, 2019Applicant: Lumileds Holding B.V.Inventors: Peter Josef SCHMIDT, Dajana DURACH, Wolfgang SCHNICK
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Patent number: 10158052Abstract: The invention provides a lighting unit comprising a source of blue light, a source of green light, a first source of red light comprising a first red luminescent material, configured to provide red light with a broad band spectral light distribution, and a second source of red light comprising a second red luminescent material, configured to provide red light with a spectral light distribution comprising one or more red emission lines. Especially, the first red luminescent material comprises (Mg,Ca,Sr)AlSiN3:Eu and/or (Ba,Sr,Ca)2Si5-xAlxOxN8-x:Eu, and the second red luminescent material comprises K2SiF6:Mn.Type: GrantFiled: February 2, 2017Date of Patent: December 18, 2018Assignee: Lumileds LLCInventors: Volker Weiler, Peter Josef Schmidt, Hans-Helmut Bechtel
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Patent number: 10153406Abstract: The invention provides a lighting unit comprising a light source, configured to generate light source light and a luminescent material, configured to convert at least part of the light source light into luminescent material light, wherein the light source comprises a light emitting diode (LED) and wherein the luminescent material comprises a phosphor comprising M2AX6 doped with tetravalent manganese, wherein M comprises monovalent cations, at least comprising potassium and rubidium, wherein A comprises a tetravalent cation, at least comprising silicon, wherein X comprises a monovalent anion, at least comprising fluorine, and wherein M2AX6 has the hexagonal phase.Type: GrantFiled: July 18, 2016Date of Patent: December 11, 2018Assignee: Lumileds LLCInventors: Volker Weiler, Wolfgang Schnick, Peter Josef Schmidt, Markus Armin Seibald