Patents Assigned to Avantama AG
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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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Publication number: 20240093088Abstract: The present invention relates to the field of luminescent crystals (LCs) of the core-shell type, components and devices comprising the same. Particularly, the present invention relates to the manufacturing of luminescent core-shell nanocrystals, wherein said nanocrystal core comprises or consists of a perovskite crystal having a size of 3-100 nm, and said nanocrystal shell comprises a metal oxide having a thickness of 0.5-10 nm and wherein said method comprises combining suitable starting materials under oxygen-free conditions. The invention further provides for specific luminescent core-shell nanocrystals, to components and products containing such luminescent core-shell nanocrystals.Type: ApplicationFiled: September 1, 2022Publication date: March 21, 2024Applicant: Avantama AGInventors: Norman Albert LÜCHINGER, Marek OSZAJCA, Maksym KOVALENKO, Dmitry DIRIN, Dominic GUGGISBERG
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Patent number: 11803084Abstract: A light emitting component comprising a first LED light source for emitting blue light, a second LED light source for emitting red light, and a luminescent layer (100) comprising a solid polymer composition and green luminescent crystals. The solid polymer composition comprises a polymer. The green luminescent crystals are perovskite crystals. The first and the second light source are directed to the luminescent layer. Upon absorption of the light emitted by the first light source, the luminescent crystals emit light of a wavelength in the green light spectrum.Type: GrantFiled: October 8, 2021Date of Patent: October 31, 2023Assignee: Avantama AGInventor: Norman Albert Lüchinger
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Publication number: 20230304188Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula A1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to components comprising luminescent crystals.Type: ApplicationFiled: May 22, 2023Publication date: September 28, 2023Applicant: AVANTAMA AGInventors: Norman Albert LÜCHINGER, Marek OSZAJCA, Patrick KISSEL, Loredana PROTESESCU, Maksym KOVALENKO, Franziska KRIEG
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Patent number: 11737337Abstract: The invention discloses color conversion film which, upon ex-citation by blue light, emits green and red light. The films comprise at least one red light emitting layer, one green light emitting layer and sandwiched in between at least one separation layer.Type: GrantFiled: April 12, 2023Date of Patent: August 22, 2023Assignee: Avantama AGInventors: Norman Albert Lüchinger, Davide Toniolo, Franziska Krieg
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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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Patent number: 11702762Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula A1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to components comprising luminescent crystals.Type: GrantFiled: July 4, 2022Date of Patent: July 18, 2023Assignee: AVANTAMA AGInventors: Norman Albert Lüchinger, Marek Oszajca, Patrick Kissel, Loredana Protesescu, Maksym Kovalenko, Franziska Krieg
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Patent number: 11414597Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula M1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to intermediates comprising luminescent crystals.Type: GrantFiled: February 10, 2022Date of Patent: August 16, 2022Assignee: Avantama AGInventors: Norman Albert Lüchinger, Marek Oszajca
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Patent number: 11377592Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula A1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to components comprising luminescent crystals.Type: GrantFiled: December 15, 2020Date of Patent: July 5, 2022Assignee: Avantama AGInventors: Norman Albert Lüchinger, Marek Oszajca, Patrick Kissel, Loredana Protesescu, Maksym Kovalenko, Franziska Krieg
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Patent number: 11286421Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula M1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to intermediates comprising luminescent crystals.Type: GrantFiled: January 14, 2021Date of Patent: March 29, 2022Assignee: Avantama AGInventors: Norman Albert Lüchinger, Marek Oszajca
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Patent number: 11098247Abstract: The present invention relates in a first aspect to a solid polymer component comprising luminescent crystals of 3-500 nm size, surfactant and a hardened/cured polymer. In a second aspect of the invention, a luminescent component comprises a first element comprising the solid polymer component according to the first aspect and an encapsulation enclosing the first element. In a third aspect of the invention, a luminescent component comprises a first film comprising the solid polymer composition of the first aspect. A fourth aspect of the invention relates to a light emitting device comprising the luminescent component according to the second or third aspect of the invention and a light source.Type: GrantFiled: June 26, 2017Date of Patent: August 24, 2021Assignee: Avantama AGInventors: Norman Lüchinger, Marek Oszajca, Patrick Kissel, Maksym Kovalenko, Loredana Protesescu, Franziska Krieg, Sylwia Nowakowska
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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: 10920137Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula M1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to intermediates comprising luminescent crystals.Type: GrantFiled: May 25, 2016Date of Patent: February 16, 2021Assignee: Avantama AGInventors: Norman Albert Lüchinger, Marek Oszajca
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Patent number: 10889756Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula A1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to components comprising luminescent crystals.Type: GrantFiled: June 26, 2017Date of Patent: January 12, 2021Assignee: Avantama AGInventors: Norman Albert Lüchinger, Marek Oszajca, Patrick Kissel, Loredana Protesescu, Maksym Kovalenko, Franziska Krieg
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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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Patent number: 10329484Abstract: The present invention relates to the field of luminescent crystals (LCs), and provides for new composite materials, for methods of manufacturing the same and the use thereof. These new composite materials comprise LCs embedded in an inorganic salt, they are highly luminescent and highly stable. The invention further provides for formulations, components and devices comprising these composites.Type: GrantFiled: December 19, 2017Date of Patent: June 25, 2019Assignee: Avantama AGInventors: Maksym Kovalenko, Norman Albert Lüchinger, Bogdan Benin, Dmitry Dirin
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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: 10003037Abstract: The present disclosure relates to the field of electronic devices, such as organic electronics, wherein said device comprises a substrate and a multitude of layers, wherein at least one of said layers is a buffer layer, wherein said buffer layer comprises metal oxide nanoparticles comprising physisorbed metal salts as described in the specification. The disclosure further provides for intermediate goods and materials suitable for manufacturing such electronic devices, to specific manufacturing methods and to specific uses.Type: GrantFiled: February 9, 2016Date of Patent: June 19, 2018Assignee: Avantama AGInventors: Norman Albert Luchinger, Benjamin Hartmeier, Yi Hou, Tobias Stubhan, Christoph Brabec
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Patent number: 9911917Abstract: The present invention relates to the field of electronic devices, such as organic electronics, wherein said device includes a substrate and a multitude of layers, wherein at least one of said layers is a buffer layer, wherein said buffer layer includes metal oxide nanoparticles coated with dispersant as described in the specification. The invention further provides for electronic device component and materials suitable for manufacturing such electronic devices, to specific manufacturing methods and to specific uses.Type: GrantFiled: June 10, 2016Date of Patent: March 6, 2018Assignee: Avantama AGInventors: Norman Albert Luchinger, Samuel Claude Halim, Tobias Stubhan, Christoph J. Brabec