Patents by Inventor Rainer Butendeich
Rainer Butendeich 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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Patent number: 11611022Abstract: An optoelectronic component may include a radiation-emitting semiconductor chip configured to emit electromagnetic radiation and a phosphor mixture. The excitation spectrum may have a peak wavelength ranging from 435 nm to 460 nm. The phosphor mixture may have three phosphors configured to emit electromagnetic radiation in different spectral ranges.Type: GrantFiled: September 25, 2018Date of Patent: March 21, 2023Assignee: Osram OLED GmbHInventors: Ralph Peter Bertram, David O'Brien, Rainer Butendeich
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Patent number: 11542431Abstract: A phosphor combination may include a first phosphor and a second phosphor. The second phosphor may be a red-emitting quantum dot phosphor. The phosphor combination may optionally include a third phosphor that is a red-emitting phosphor with the formula (MB) (TA)3-2x(TC)1+2xO4-4xN4x:E. A conversion element may include the phosphor combination. An optoelectronic device may include the phosphor combination and a radiation-emitting semiconductor chip.Type: GrantFiled: November 8, 2018Date of Patent: January 3, 2023Assignee: OSRAM OLED GMBHInventors: Rainer Butendeich, Philipp Pust, David O'Brien, Ion Stoll, Marcus Adam
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Publication number: 20210238477Abstract: The invention relates to a luminescent material having the formula (MB) (TA) 3?2x (TC) 1+2xO4?4xN4x:E, wherein: —TA is selected from a group of monovalent metals, including Li, Na, Cu, Ag and combinations thereof; —MB is selected from a group of divalent metals including Mg, Ca, Sr, Ba, Zn and combinations thereof; —TC is selected from a group of trivalent metals including B, Al, Ga, In, Y, Fe, Cr, Sc, rare earth metals and combinations thereof; —E is selected from a group including Eu, Mn, Ce, Yb and combinations thereof, and wherein 0<x<0.875. A phosphor combination may include a first phosphor and a second phosphor. The second phosphor may be a red-emitting quantum dot phosphor. The phosphor combination may optionally include a third phosphor that is a red-emitting phosphor with the formula (MB) (TA)3?2x(TC)1+2xO4?4xN4x:E. A conversion element may include the phosphor combination. An optoelectronic device may include the phosphor combination and a radiation-emitting semiconductor chip.Type: ApplicationFiled: November 8, 2018Publication date: August 5, 2021Inventors: Rainer Butendeich, Philipp Pust, David O'Brien, Ion Stoll, Marcus Adam
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Patent number: 10868223Abstract: An optoelectronic component includes a semiconductor chip that emits primary radiation from the blue spectral region, a conversion element including at least three phosphors each converting the primary radiation into secondary radiation, wherein the first phosphor emits secondary radiation from the green spectral region, the second phosphor emits secondary radiation from the red spectral region, the third phosphor is a potassium-silicon-fluoride phosphor that emits secondary radiation from the red spectral region, and the component has an Ra value of at least 80 and an R9 value of at least 75, and emits white mixed radiation.Type: GrantFiled: January 23, 2019Date of Patent: December 15, 2020Assignee: OSRAM OLED GmbHInventors: Rainer Butendeich, Alexander Baumgartner
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Publication number: 20200287102Abstract: An optoelectronic component may include a radiation-emitting semiconductor chip configured to emit electromagnetic radiation and a phosphor mixture. The excitation spectrum may have a peak wavelength ranging from 435 nm to 460 nm. The phosphor mixture may have three phosphors configured to emit electromagnetic radiation in different spectral ranges.Type: ApplicationFiled: September 25, 2018Publication date: September 10, 2020Inventors: Ralph Peter Bertram, David O'Brien, Rainer Butendeich
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Patent number: 10638578Abstract: A method of operating a semiconductor light source, wherein the semiconductor light source includes at least one first light source that generates blue light; at least one second light source that generates bluish-white light; at least one third light source that produces greenish-white light; at least one fourth light source that generates red light, wherein no further light sources are present, the light sources can be controlled independently of one another, the light sources are operated in a continuous wave mode and not by pulse width modulation, and the semiconductor light source is operated such that all in all white mixed light having a tunable correlated color temperature is generated, and each of the light sources is operated exclusively with at least 5% of an intended maximum current in the switched-on state of the semiconductor light source so that an undercurrent operation of the light sources is prevented.Type: GrantFiled: February 7, 2017Date of Patent: April 28, 2020Assignee: OSRAM OLED GmbHInventors: Rainer Butendeich, Stefan Illek
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Patent number: 10446723Abstract: The invention relates to an optoelectronic element comprising a semiconductor chip (12) that emits a blue-green light (4) during operation and has at least one light passage surface (12a) through which the blue-green light (4) emitted during operation passes and comprising a conversion element (3) which comprises fluorescent particles (31), in particular fluorescent particles of only one type, and which is arranged on the light passage surface (12a) at least in some areas. The fluorescent particles (31) at least partly convert the blue-green light (4) into a red light (5), and the optoelectronic element emits a white mixed light (6) which contains non-converted components of the blue-green light (4) and components of the red light (5).Type: GrantFiled: December 2, 2015Date of Patent: October 15, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Rainer Butendeich, Ion Stoll, Martin Mandl, Martin Strassburg
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Patent number: 10418355Abstract: An optoelectronic semiconductor chip is disclosed. In an embodiment the optoelectronic semiconductor chip includes a first semiconductor layer sequence having a plurality of microdiodes, and a second semiconductor layer sequence having an active region. The first semiconductor layer sequence and the second semiconductor layer sequence are based on a nitride compound semiconductor material, the first semiconductor layer sequence is before the first semiconductor layer sequence in the direction of growth, and the microdiodes form an ESD protection for the active region.Type: GrantFiled: August 8, 2017Date of Patent: September 17, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Rainer Butendeich, Alexander Walter, Matthias Peter, Tobias Meyer, Tetsuya Taki, Hubert Maiwald
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Patent number: 10388828Abstract: A semiconductor chip includes a semiconductor body with a semiconductor layer sequence. An active region intended for generating radiation is arranged between an n-conductive multilayer structure and a p-conductive semiconductor layer. A doping profile is formed in the n-conductive multilayer structure which includes at least one doping peak.Type: GrantFiled: July 21, 2017Date of Patent: August 20, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Matthias Peter, Tobias Meyer, Alexander Walter, Tetsuya Taki, Juergen Off, Rainer Butendeich, Joachim Hertkorn
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Publication number: 20190229244Abstract: An optoelectronic component includes a semiconductor chip that emits primary radiation from the blue spectral region, a conversion element including at least three phosphors each converting the primary radiation into secondary radiation, wherein the first phosphor emits secondary radiation from the green spectral region, the second phosphor emits secondary radiation from the red spectral region, the third phosphor is a potassium-silicon-fluoride phosphor that emits secondary radiation from the red spectral region, and the component has an Ra value of at least 80 and an R9 value of at least 75, and emits white mixed radiation.Type: ApplicationFiled: January 23, 2019Publication date: July 25, 2019Inventors: Rainer Butendeich, Alexander Baumgartner
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Publication number: 20190051788Abstract: A light source is disclosed. In an embodiment a light source includes at least one first semiconductor emitter for generating first light, at least one second semiconductor emitter for generating second light, the second light having a different color than the first light, a light mixing body configured to produce a mixed light from the first and second lights and a detector on the light mixing body, the detector configured to determine a color locus of the mixed light, wherein the first and second semiconductor emitters are arranged along a line and have different distances from the detector, wherein the light mixing body is arranged on side surfaces of the first and second semiconductor emitters and in projection onto the side surfaces at least partially covers each of the side surfaces, so that the detector receives light from each of the first and second semiconductor emitters through the light mixing body.Type: ApplicationFiled: May 29, 2017Publication date: February 14, 2019Inventors: Frank Singer, Alexander Linkov, Stefan Illek, Rainer Butendeich, Christoph Koller, Thomas Schwarz
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Publication number: 20190021150Abstract: A method of operating a semiconductor light source, wherein the semiconductor light source includes at least one first light source that generates blue light; at least one second light source that generates bluish-white light; at least one third light source that produces greenish-white light; at least one fourth light source that generates red light, wherein no further light sources are present, the light sources can be controlled independently of one another, the light sources are operated in a continuous wave mode and not by pulse width modulation, and the semiconductor light source is operated such that all in all white mixed light having a tunable correlated color temperature is generated, and each of the light sources is operated exclusively with at least 5% of an intended maximum current in the switched-on state of the semiconductor light source so that an undercurrent operation of the light sources is prevented.Type: ApplicationFiled: February 7, 2017Publication date: January 17, 2019Inventors: Rainer Butendeich, Stefan Illek
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Patent number: 9972748Abstract: A method for producing a thin-film semiconductor body is provided. A growth substrate is provided. A semiconductor layer with funnel-shaped and/or inverted pyramid-shaped recesses is epitaxially grown onto the growth substrate. The recesses are filled with a semiconductor material in such a way that pyramid-shaped outcoupling structures arise. A semiconductor layer sequence with an active layer is applied on the outcoupled structures. The active layer is suitable for generating electromagnetic radiation. A carrier is applied onto the semiconductor layer sequence. At least the semiconductor layer with the funnel-shaped and/or inverted pyramid-shaped recesses is detached, such that the pyramid-shaped outcoupling structures are configured as projections on a radiation exit face of the thin-film semiconductor.Type: GrantFiled: October 29, 2015Date of Patent: May 15, 2018Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Christian Leirer, Anton Vogl, Andreas Biebersdorf, Rainer Butendeich, Christian Rumbolz
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Publication number: 20170365751Abstract: The invention relates to an optoelectronic element comprising a semiconductor chip (12) that emits a blue-green light (4) during operation and has at least one light passage surface (12a) through which the blue-green light (4) emitted during operation passes and comprising a conversion element (3) which comprises fluorescent particles (31), in particular fluorescent particles of only one type, and which is arranged on the light passage surface (12a) at least in some areas. The fluorescent particles (31) at least partly convert the blue-green light (4) into a red light (5), and the optoelectronic element emits a white mixed light (6) which contains non-converted components of the blue-green light (4) and components of the red light (5).Type: ApplicationFiled: December 2, 2015Publication date: December 21, 2017Inventors: Rainer BUTENDEICH, Ion STOLL, Martin MANDL, Martin STRASSBURG
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Publication number: 20170338217Abstract: An optoelectronic semiconductor chip is disclosed. In an embodiment the optoelectronic semiconductor chip includes a first semiconductor layer sequence having a plurality of microdiodes, and a second semiconductor layer sequence having an active region. The first semiconductor layer sequence and the second semiconductor layer sequence are based on a nitride compound semiconductor material, the first semiconductor layer sequence is before the first semiconductor layer sequence in the direction of growth, and the microdiodes form an ESD protection for the active region.Type: ApplicationFiled: August 8, 2017Publication date: November 23, 2017Inventors: Rainer Butendeich, Alexander Walter, Matthias Peter, Tobias Meyer, Tetsuya Taki, Hubert Maiwald
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Publication number: 20170324001Abstract: A semiconductor chip includes a semiconductor body with a semiconductor layer sequence. An active region intended for generating radiation is arranged between an n-conductive multilayer structure and a p-conductive semiconductor layer. A doping profile is formed in the n-conductive multilayer structure which includes at least one doping peak.Type: ApplicationFiled: July 21, 2017Publication date: November 9, 2017Inventors: Matthias Peter, Tobias Meyer, Alexander Walter, Tetsuya Taki, Juergen Off, Rainer Butendeich, Joachim Hertkorn
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Patent number: 9799797Abstract: A semiconductor chip includes a semiconductor body with a semiconductor layer sequence. An active region intended for generating radiation is arranged between an n-conductive multilayer structure and a p-conductive semiconductor layer. A doping profile is formed in the n-conductive multilayer structure which includes at least one doping peak.Type: GrantFiled: October 6, 2016Date of Patent: October 24, 2017Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Matthias Peter, Tobias Meyer, Alexander Walter, Tetsuya Taki, Juergen Off, Rainer Butendeich, Joachim Hertkorn
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Patent number: 9761576Abstract: An optoelectronic semiconductor chip has a first semiconductor layer sequence which comprises a multiplicity of microdiodes, and a second semiconductor layer sequence which comprises an active region. The first semiconductor layer sequence and the second semiconductor layer sequence are based on a nitride compound semiconductor material, the first semiconductor layer sequence is before the first semiconductor layer sequence in the direction of growth, and the microdiodes form an ESD protection for the active region.Type: GrantFiled: April 14, 2015Date of Patent: September 12, 2017Assignee: OSRAM Opto Semiconductors GmbHInventors: Rainer Butendeich, Alexander Walter, Matthias Peter, Tobias Meyer, Tetsuya Taki, Hubert Maiwald
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Patent number: 9746141Abstract: An arrangement (1) for generating white light (5), having at least two light-emitting diodes, wherein the first diode (2) is designed to generate blue light, wherein a conversion element (4) is associated with the first diode, wherein the conversion element is designed to convert a part of the blue light from the first diode into green light, and wherein the conversion element is designed to convert a part of the blue light from the first diode into red light, wherein the second diode (3) is provided to emit red light.Type: GrantFiled: August 20, 2013Date of Patent: August 29, 2017Assignee: OSRAM Opto Semiconductors GmbHInventors: Rainer Butendeich, Matthias Sabathil
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Patent number: 9583670Abstract: A luminescence conversion element for wavelength conversion of primary electromagnetic radiation into secondary electromagnetic radiation includes first luminescent material particles that, when excited by the primary electromagnetic radiation, emit a first electromagnetic radiation, a peak wavelength of which is at least 515 nm to at most 550 nm of a green region of the electromagnetic spectrum; second luminescent material particles that, when excited by the primary electromagnetic radiation, emit a second electromagnetic radiation, a peak wavelength of which is at least 595 nm to at most 612 nm of a yellow-red region of the electromagnetic spectrum; and third luminescent material particles that, when excited by the primary electromagnetic radiation, emit a third electromagnetic radiation, a peak wavelength of which is at least 625 nm to at most 660 nm of a red region of the electromagnetic spectrum.Type: GrantFiled: November 17, 2014Date of Patent: February 28, 2017Assignee: OSRAM Opto Semiconductor GmbHInventors: Rainer Butendeich, Hailing Cui, Reiner Windisch, Jörg Frischeisen, Stefan Lange