Patents by Inventor Ralf Petry
Ralf Petry 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: 12024662Abstract: The present invention relates to Mn-activated luminescent materials, to a process for preparation thereof and to the use thereof as luminophores or conversion luminophores in light sources. The present invention further relates to a radiation-converting mixture comprising the luminescent material of the invention and a light source comprising the luminescent material of the invention or the radiation-converting mixture. The present invention further provides light sources, especially LEDs, and lighting units comprising a primary light source and the luminescent material of the invention or the radiation-converting mixture. The Mn-activated luminescent materials of the invention are especially suitable for creation of warm white light in LEDs.Type: GrantFiled: March 18, 2019Date of Patent: July 2, 2024Assignee: LITEC-VERMOGENSVERWALTUNGSGESELLSCHAFT MBHInventors: Thomas Jansen, Thomas Juestel, Ralf Petry, Ingo Koehler, Katharina Sievert
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Patent number: 11773270Abstract: The present invention relates to effect pigments which are based on flake-form substrates having a circular form factor of 1.2-2 and are coated with at least one high-refractive-index layer, and to the use thereof, inter alia in paints, coatings, printing inks, plastics and in cosmetic formulations.Type: GrantFiled: July 6, 2020Date of Patent: October 3, 2023Assignee: MERCK PATENT GMBHInventors: Gerhard Pfaff, Stephanie Andes, Klaus Ambrosius, Ralf Petry, Michael Roesler, Sabine Schoen
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Publication number: 20220389227Abstract: The present invention relates to a laser additive comprising core/shell particles, to a process for the preparation of a laser additive of this type, and to the use thereof, in particular as laser absorber in plastics and plastic-containing coatings of articles.Type: ApplicationFiled: September 15, 2020Publication date: December 8, 2022Applicant: Merck Patent GmbHInventors: Ralf PETRY, Adeliene SCHMITT, Christof HAMPEL
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Patent number: 10907095Abstract: The present invention relates to novel phosphor mixtures and to a light-emitting device which comprises at least one of the novel phosphor mixtures. The phosphor mixtures can be used in phosphor-converted LEDs with a semiconductor that emits in the violet spectral region. The present invention furthermore relates to a lighting system which may comprise the light-emitting devices according to the invention, and to a dynamic lighting system. The present invention furthermore relates to a process for the preparation of the phosphor mixtures according to the invention and to the use thereof in light-emitting devices for use in general lighting and/or in specialty lighting.Type: GrantFiled: March 5, 2018Date of Patent: February 2, 2021Assignee: LITEC-VERMOGENSVERWALTUNGSGESELLSCHAFT MBHInventors: Andreas Benker, Ralf Petry, Ingo Koehler, Irene (Yu Huan) Liu, Christof Hampel, Aleksander Zych
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Publication number: 20210024824Abstract: The present invention relates to Mn-activated luminescent materials, to a process for preparation thereof and to the use thereof as luminophores or conversion luminophores in light sources. The present invention further relates to a radiation-converting mixture comprising the luminescent material of the invention and a light source comprising the luminescent material of the invention or the radiation-converting mixture. The present invention further provides light sources, especially LEDs, and lighting units comprising a primary light source and the luminescent material of the invention or the radiation-converting mixture. The Mn-activated luminescent materials of the invention are especially suitable for creation of warm white light in LEDs.Type: ApplicationFiled: March 18, 2019Publication date: January 28, 2021Applicant: LITEC-VERMÖGENSVERWALTUNGSGESELLSCHAFT MBHInventors: Thomas JANSEN, Thomas JUESTEL, Ralf PETRY, Ingo KOEHLER, Katharina SIEVERT
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Publication number: 20200339820Abstract: The present invention relates to effect pigments which are based on flake-form substrates having a circular form factor of 1.2-2 and are coated with at least one high-refractive-index layer, and to the use thereof, inter alia in paints, coatings, printing inks, plastics and in cosmetic formulations.Type: ApplicationFiled: July 6, 2020Publication date: October 29, 2020Applicant: MERCK PATENT GMBHInventors: Gerhard PFAFF, Stephanie ANDES, Klaus AMBROSIUS, Ralf PETRY, Michael ROESLER, Sabine SCHOEN
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Patent number: 10745616Abstract: The present invention relates to alkaline earth aluminate phosphors, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention, and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and to lighting units which comprise a primary light source and the emission-converting material according to the invention.Type: GrantFiled: March 2, 2016Date of Patent: August 18, 2020Assignee: MERCK PATENT GMBHInventors: Aleksander Zych, Mathias Rapphahn, Ralf Petry, Ingo Koehler, Andreas Benker, Stefan Tews
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Patent number: 10689570Abstract: The invention relates to pyrosilicate phosphors comprising a coating of aluminum oxide, to a process for the preparation of these compounds, and to the use thereof as conversion phosphors or in lamps.Type: GrantFiled: March 30, 2016Date of Patent: June 23, 2020Assignee: Merck Patent GmbHInventors: Aleksander Zych, Ralf Petry, Mathias Rapphahn, Ingo Koehler, Stefan Tews
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Publication number: 20200194625Abstract: The present invention relates to Mn4+-activated luminescent materials, to a process for the preparation thereof, and the use thereof as phosphors or conversion phosphors in light sources. The present invention furthermore relates to an emission-converting material comprising the luminescent material according to the invention, and to a light source which comprises the luminescent material according to the invention or the omission-converting material. The present invention furthermore relates to light sources, in particular LEDs, and lighting units which contain a primary light source and the luminescent material according to the invention or the emission-converting material. The Mn4+-activated luminescent materials according to the invention are suitable, in particular, for the generation of warm-white light in LEDs.Type: ApplicationFiled: October 9, 2017Publication date: June 18, 2020Applicant: Merck Patent GmbHInventors: Ralf PETRY, Ingo KOEHLER, Mathias RAPPHAHN, Thomas JUESTEL, Thomas JANSEN
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Publication number: 20200010759Abstract: The present invention relates to novel phosphor mixtures and to a light-emitting device which comprises at least one of the novel phosphor mixtures. The phosphor mixtures can be used in phosphor-converted LEDs with a semiconductor that emits in the violet spectral region. The present invention furthermore relates to a lighting system which may comprise the light-emitting devices according to the invention, and to a dynamic lighting system. The present invention furthermore relates to a process for the preparation of the phosphor mixtures according to the invention and to the use thereof in light-emitting devices for use in general lighting and/or in specialty lighting.Type: ApplicationFiled: March 5, 2018Publication date: January 9, 2020Applicant: MERCK PATENT GMBHInventors: Andreas BENKER, Ralf PETRY, Ingo KOEHLER, Irene (Yu Huan) LIU, Christof HAMPEL, Aleksander ZYCH
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Patent number: 10125315Abstract: The present invention relates to pyrosilicate phosphors, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising the conversion phosphor according to the invention, and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and to lighting units which comprise a primary light source and the emission-converting material according to the invention.Type: GrantFiled: March 30, 2016Date of Patent: November 13, 2018Assignee: Merck Patent GmbHInventors: Aleksander Zych, Ralf Petry, Mathias Rapphahn, Ingo Koehler, Stefan Tews
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Publication number: 20180298280Abstract: The invention relates to pyrosilicate phosphors comprising a coating of aluminum oxide, to a process for the preparation of these compounds, and to the use thereof as conversion phosphors or in lamps.Type: ApplicationFiled: March 30, 2016Publication date: October 18, 2018Applicant: Merck Patent GmbHInventors: Aleksander ZYCH, Ralf PETRY, Mathias RAPPHAHN, Ingo KOEHLER, Stefan TEWS
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Publication number: 20180155621Abstract: The present invention relates to pyrosilicate phosphors, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising the conversion phosphor according to the invention, and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and to lighting units which comprise a primary light source and the emission-converting material according to the invention.Type: ApplicationFiled: March 30, 2016Publication date: June 7, 2018Applicant: Merck Patent GmbHInventors: Aleksander ZYCH, Ralf PETRY, Mathias RAPPHAHN, Ingo KOEHLER, Stefan TEWS
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Patent number: 9920246Abstract: The present invention relates to silicate phosphors, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention, and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and to lighting units which comprise a primary light source and the emission-converting material according to the invention.Type: GrantFiled: April 30, 2014Date of Patent: March 20, 2018Assignee: Merck Patent GmbHInventors: Ralf Petry, Holger Winkler, Thomas Juestel, Matthias Mueller
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Publication number: 20180066186Abstract: The present invention relates to alkaline earth aluminate phosphors, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention, and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and to lighting units which comprise a primary light source and the emission-converting material according to the invention.Type: ApplicationFiled: March 2, 2016Publication date: March 8, 2018Applicant: MERCK PATENT GMBHInventors: Aleksander ZYCH, Mathias RAPPHAHN, Ralf PETRY, Ingo KOEHLER, Andreas BENKER, Stefan TEWS
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Patent number: 9856417Abstract: The invention relates to Eu2+-activated phosphors, to a process for the preparation of these compounds, and to phosphor mixtures, light sources and lighting units which comprise the Eu2+-activated phosphors according to the invention.Type: GrantFiled: October 4, 2013Date of Patent: January 2, 2018Assignee: Merck Patent GmbHInventors: Ralf Petry, Holger Winkler, Tim Vosgroene, Christof Hampel, Andreas Benker, Thomas Juestel
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Publication number: 20170306223Abstract: The present invention relates to europium-, cerium-, samarium- or praseodymium-doped boronitrides, to a process for the preparation of these compounds, and to the use of the doped boronitrides according to the invention as conversion phosphors. The present invention furthermore relates to a light source which contains a doped boronitride according to the invention.Type: ApplicationFiled: September 22, 2015Publication date: October 26, 2017Applicant: MERCK PATENT GMBHInventors: Ralf PETRY, Holger WINKLER, Thomas JUESTEL, Tobias DIERKES
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Patent number: 9758722Abstract: The invention relates to Eu2+-activated phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.Type: GrantFiled: November 6, 2014Date of Patent: September 12, 2017Assignee: MERCK PATENT GMBHInventors: Aleksander Zych, Ralf Petry, Holger Winkler, Christof Hampel, Andreas Benker, Thomas Juestel
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Publication number: 20170107426Abstract: The invention relates to europium or samarium-doped terbium molybdates, to a method for producing said compounds, and to the use of the claimed europium or samarium-doped terbium molybdates as conversion lumiophores. The invention also relates to a light-emitting device containing a claimed europium or samarium-doped terbium molybdate.Type: ApplicationFiled: February 17, 2015Publication date: April 20, 2017Applicant: MERCK PATENT GMBHInventors: Ralf PETRY, Thomas JUESTEL, Florian BAUR
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Patent number: 9580649Abstract: The present invention relates to a process for the preparation of a europium-doped alkaline-earth metal siliconitride or silicooxynitride having increased emission efficiency. The present invention furthermore relates to europium-doped alkaline-earth metal siliconitrides or silicooxynitrides which are obtainable by the preparation process according to the invention, and to the use of the europium-doped alkaline-earth metal siliconitrides or silicooxynitrides according to the invention as conversion phosphors. The present invention furthermore also relates to a light-emitting device which comprises a europium-doped alkaline-earth metal siliconitride or silicooxynitride according to the invention.Type: GrantFiled: June 14, 2013Date of Patent: February 28, 2017Assignee: Merck Patent GmbHInventors: Tim Vosgroene, Holger Winkler, Ralf Petry, Andreas Benker, Christof Hampel