Patents by Inventor Stefan Loher
Stefan Loher 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: 11958997Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element 1 including first luminescent crystals 11 from the class of perovskite crystals, embedded a first polymer P1 and a second element 2 comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals 12 embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.Type: GrantFiled: April 14, 2021Date of Patent: April 16, 2024Assignee: Avantama AGInventors: Norman Albert Lüchinger, Lin Fangjian, Tom Mitchell-Williams, Stefan Loher
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Patent number: 11708528Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element including first luminescent crystals from the class of perovskite crystals, embedded a first polymer P1 and a second element comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.Type: GrantFiled: June 15, 2020Date of Patent: July 25, 2023Assignee: Avantama AGInventors: Norman Albert Lüchinger, Fangjian Lin, Tom Mitchell-Williams, Stefan Loher
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Publication number: 20220411693Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a solid material composition comprising luminescent crystals 11 from the class of perovskite crystals, embedded in a solid matrix 14 comprising a polymer P1 or Small Molecules SM1 and metal selected from Mg, Sr, Ba, Sc, Y, Zn, Cd, In, and Sb. Further described are components and devices comprising the same. Also described are methods for manufacturing such components and devices comprising such components and liquid compositions useful for such manufacturing.Type: ApplicationFiled: May 16, 2022Publication date: December 29, 2022Inventors: Norman Albert Lüchinger, Marek Oszajca, Stefan Loher, Victoria Blair, Karin Fleischmann
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Publication number: 20220252941Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element including first luminescent crystals from the class of perovskite crystals, embedded a first polymer P1 and a second element comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.Type: ApplicationFiled: June 15, 2020Publication date: August 11, 2022Inventors: Norman Albert LÜCHINGER, Fangjian LIN, Tom MITCHELL-WILLIAMS, Stefan LOHER
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Publication number: 20210238475Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element 1 including first luminescent crystals 11 from the class of perovskite crystals, embedded a first polymer P1 and a second element 2 comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals 12 embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.Type: ApplicationFiled: April 14, 2021Publication date: August 5, 2021Inventors: Norman Albert Lüchinger, Lin Fangjian, Tom Mitchell-Williams, Stefan Loher
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Patent number: 11008508Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element including first luminescent crystals from the class of perovskite crystals, embedded a first polymer P1 and a second element comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.Type: GrantFiled: June 5, 2020Date of Patent: May 18, 2021Assignee: AVANTAMA AGInventors: Norman Albert Lüchinger, Lin Fangjian, Tom Mitchell-Williams, Stefan Loher
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Patent number: 10893932Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid, polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: GrantFiled: March 19, 2019Date of Patent: January 19, 2021Assignee: BIOTRONIK AGInventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Publication number: 20200392402Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element including first luminescent crystals from the class of perovskite crystals, embedded a first polymer P1 and a second element comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.Type: ApplicationFiled: June 5, 2020Publication date: December 17, 2020Inventors: Norman Albert Lüchinger, Lin Fangjian, Tom Mitchell-Williams, Stefan Loher
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Patent number: 10775671Abstract: A display device includes a light emitter comprising a set of light emitter portions, wherein at least one light emitter portion of the set is configured to emit light with an excitation wavelength, and a color conversion layer including a set of conversion layer portions. At least one conversion layer portion of the set comprises a film comprising a solid polymer composition that includes luminescent crystals of perovskite structure, which are selected from compounds of formula (I): M1aM2bXc (I), wherein M1 represents Cs, M2 represents Pb, and X independently represents anions selected from the group consisting of Cl, Br, I, cyanide, and thiocyanate. The luminescent crystals are of size between 3 nm and 3000 nm, and emit light of a wavelength in response to excitation by the light emitted by at least one corresponding light emitter portion of the set, wherein the excitation wavelength is shorter than the wavelength.Type: GrantFiled: December 21, 2016Date of Patent: September 15, 2020Assignee: AVANTAMA AGInventors: Norman Lüchinger, Ines Weber, Stefan Loher, Marek Oszajca, Benjamin Hartmeier
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Publication number: 20190314137Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid, polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: ApplicationFiled: March 19, 2019Publication date: October 17, 2019Inventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Patent number: 10326058Abstract: A luminescent component includes a first element comprising a first solid polymer composition, wherein the first solid polymer composition includes first luminescent crystals, wherein the first luminescent crystals are of the perovskite structure, and are selected from compounds of formula (I): M1aM2bXc, wherein M1 represents Cs, optionally doped with up to 30 mol % of one or more other metals having coordination number 12, M2 represents Pb, optionally doped with up to 30 mol % of one or more other metals having coordination number 6, X independently represents anions selected from the group consisting of Cl, Br, I, cyanide, and thiocyanate. The first luminescent crystals are of size between 3 nm and 3000 nm, and emit light of a first wavelength in response to excitation by light with a wavelength shorter than the first wavelength. An encapsulation including a polymer or an inorganic matrix encloses the first element.Type: GrantFiled: May 25, 2016Date of Patent: June 18, 2019Assignee: Avantama AGInventors: Norman Albert Luchinger, Ines Weber, Stefan Loher, Marek Oszajca, Benjamin Hartmeier
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Patent number: 10294420Abstract: A luminescent component comprises a first film comprising a first solid polymer composition and a second film comprising a second solid polymer composition. The first solid polymer composition comprises first luminescent crystals. The second solid polymer composition comprises second luminescent crystals. The first luminescent crystals are of size between 3 nm and 3000 nm, and emit red light in response to excitation by light with a shorter wavelength. The second luminescent crystals are of size between 3 nm and 3000 nm, and emit green light in response to excitation by light with a shorter wavelength. Said luminescent component is particularly suited for the application in LCD-backlight color conversion.Type: GrantFiled: December 15, 2016Date of Patent: May 21, 2019Assignee: AVANTAMA AGInventors: Norman Albert Luchinger, Ines Weber, Stefan Loher, Marek Oszajca, Benjamin Hartmeier
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Patent number: 10271941Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid; polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: GrantFiled: April 20, 2011Date of Patent: April 30, 2019Assignee: BIOTRONIK AGInventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Publication number: 20190018287Abstract: A display device includes a light emitter comprising a set of light emitter portions, wherein at least one light emitter portion of the set is configured to emit light with an excitation wavelength, and a color conversion layer including a set of conversion layer portions. At least one conversion layer portion of the set comprises a film comprising a solid polymer composition that includes luminescent crystals of perovskite structure, which are selected from compounds of formula (I): M1aM2bXc (I), wherein M1 represents Cs, M2 represents Pb, and X independently represents anions selected from the group consisting of Cl, Br, I, cyanide, and thiocyanate. The luminescent crystals are of size between 3 nm and 3000 nm, and emit light of a wavelength in response to excitation by the light emitted by at least one corresponding light emitter portion of the set, wherein the excitation wavelength is shorter than the wavelength.Type: ApplicationFiled: December 21, 2016Publication date: January 17, 2019Inventors: Norman LÜCHINGER, Ines WEBER, Stefan LOHER, Marek OSZAJCA, Benjamin HARTMEIER
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Publication number: 20180273841Abstract: A luminescent component comprises a first film comprising a first solid polymer composition and a second film comprising a second solid polymer composition. The first solid polymer composition comprises first luminescent crystals. The second solid polymer composition comprises second luminescent crystals. The first luminescent crystals are of size between 3 nm and 3000 nm, and emit red light in response to excitation by light with a shorter wavelength. The second luminescent crystals are of size between 3 nm and 3000 nm, and emit green light in response to excitation by light with a shorter wavelength. Said luminescent component is particularly suited for the application in LCD-backlight color conversion.Type: ApplicationFiled: December 15, 2016Publication date: September 27, 2018Inventors: Norman Albert LUCHINGER, Ines WEBER, Stefan LOHER, Marek OSZAJCA, Benjamin HARTMEIER
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Publication number: 20170369776Abstract: A luminescent component includes a first element comprising a first solid polymer composition, wherein the first solid polymer composition includes first luminescent crystals, wherein the first luminescent crystals are of the perovskite structure, and are selected from compounds of formula (I): M1aM2bXc, wherein M1 represents Cs, optionally doped with up to 30 mol % of one or more other metals having coordination number 12, M2 represents Pb, optionally doped with up to 30 mol % of one or more other metals having coordination number 6, X independently represents anions selected from the group consisting of Cl, Br, I, cyanide, and thiocyanate. The first luminescent crystals are of size between 3 nm and 3000 nm, and emit light of a first wavelength in response to excitation by light with a wavelength shorter than the first wavelength. An encapsulation including a polymer or an inorganic matrix encloses the first element.Type: ApplicationFiled: May 25, 2016Publication date: December 28, 2017Inventors: Norman Albert LUCHINGER, Ines WEBER, Stefan LOHER, Marek OSZAJCA, Benjamin HARTMEIER
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Publication number: 20120321686Abstract: The present invention relates to antifungal materials, particularly to nanoparticles comprising or consisting of a non-persistent inorganic support material such as Tricalciumphosphate (TCP) and copper as a dopant in the form of Cu+/?0, Cu+1 and or Cu+2; to composite materials or liquid formulations containing such nanoparticles. Further, the invention relates to the manufacture of such nanoparticles, composites, liquid formulations and to the use of such nanoparticles, composites, liquid formulations as an antifungal component.Type: ApplicationFiled: December 24, 2009Publication date: December 20, 2012Applicants: ETH Zurich, PERLEN CONVERTING AGInventors: Stefan Bokorny, Tobias Maienfisch, Stefan Loher, Wendelin J. Stark
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Patent number: 8282911Abstract: The present relates to the field of dental and bone surgery. In particular, the invention relates to fibrous pharmaceutical compositions; fibrous webs, yarns and woven fabrics of such pharmaceutical compositions; to implant material essentially consisting of fibrous pharmaceutical compositions; to the manufacturing and use of such fibers/webs/implant materials.Type: GrantFiled: October 23, 2006Date of Patent: October 9, 2012Assignees: ETH Zürich, Universitat ZürichInventors: Jan W. Stark, Oliver Schneider, Stefan Loher, Tobias Brunner, Marc Simonet, Patrick Schmidlin, Robert N. Grass
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Publication number: 20110262684Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid; polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: ApplicationFiled: April 20, 2011Publication date: October 27, 2011Applicant: BIOTRONIK AGInventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Publication number: 20100196440Abstract: The present relates to the field of dental and bone surgery. In particular, the invention relates to fibrous pharmaceutical compositions; fibrous webs, yarns and woven fabrics of such pharmaceutical compositions; to implant material essentially consisting of fibrous pharmaceutical compositions; to the manufacturing and use of such fibers/webs/implant materials.Type: ApplicationFiled: October 23, 2006Publication date: August 5, 2010Applicants: ETH ZURICH, Universitat ZurichInventors: Wendelin Jan Stark, Oliver Schneider, Stefan Loher, Tobias Brunner, Marc Simonet, Patrick Schmidlin, Robert N. Grass