Patents by Inventor Aleksander ZYCH
Aleksander ZYCH 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: 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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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: 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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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: 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: 20170084797Abstract: The present invention relates to compounds of formula I, MIMII3 MIII3MIV3N2O12:Eu??I wherein, MI, MII, MIII, and MIV have one of the meanings as given in claim 1, to a process of their preparation, the use of these compounds as conversion phosphors or in an emission-converting material, 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 at least one of these phosphors.Type: ApplicationFiled: April 23, 2015Publication date: March 23, 2017Applicant: Merck Patent GmbHInventors: Aleksander ZYCH, Holger WINKLER
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Publication number: 20160304779Abstract: 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: ApplicationFiled: November 6, 2014Publication date: October 20, 2016Applicant: Merck Patent GmbHInventors: Aleksander ZYCH, Ralf PETRY, Holger WINKLER, Christof HAMPEL, Andreas BENKER, Thomas JUESTEL
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Publication number: 20160152891Abstract: Compounds containing an anionic scaffold structure, dopants and cations, in which a. the anionic scaffold structure features coordination tetrahedra GL4, where G stands for silicon, which may be partly replaced by C, Ge, B, Al or In, and L stands for N and O, with the proviso that N makes up at least 60 atom % of L; b. the cations are alkaline earth metals, with the proviso that strontium and barium together make up less than 75 atom % of the cations; c. dopant present trivalent cerium or a mixture of trivalent cerium and divalent europium; d. charge compensation of the cerium doping is accomplished i) through corresponding replacement of alkaline earth metal cations by alkali metal cations, and/or ii) by a corresponding increase in the nitrogen content, and/or iii) by a corresponding reduction in the cations; and to processes for preparing, and to their use as conversion phosphors.Type: ApplicationFiled: December 2, 2013Publication date: June 2, 2016Applicant: Merk Patent GmbHInventors: Ralf PETRY, Holger WINKLER, Aleksander ZYCH, Christof HAMPEL, Andreas BENKER