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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Publication number: 20170051201Abstract: The present invention relates to compounds of the formula I, (A2-2nBn)x(Ge1-mMm)yO(x+2y):Mn4+??I in which the parameters A, B, M, m, n, x, and y have one of the meanings according to claim 1. Furthermore, the invention relates to a process for the preparation of the compounds of the formula I, to the use of these compounds as conversion phosphors, and to an emission-converting material comprising at least one compound of the formula I. The present invention furthermore relates to a light-emitting device which comprises at least one compound of the formula I according to the invention.Type: ApplicationFiled: April 1, 2015Publication date: February 23, 2017Applicant: Merck Patent GmbHInventors: Ralf PETRY, Holger WINKLER, Thomas JUESTEL, Florian BAUR, Kira HEERDT
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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: 20160264862Abstract: The invention relates to europium-doped silicate 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: October 2, 2014Publication date: September 15, 2016Applicant: MERCK PATENT GMBHInventors: Holger WINKLER, Monica DAVIS, Christof HAMPEL, Andrea OPOLKA, Ralf PETRY, Olaf SOETH, Stefan TEWS, Christopher GUMP, David KING, Joseph A. SPENCER, Kassandra SULLIVAN-TRUJILLO
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Publication number: 20160244665Abstract: The present invention relates to cerium-doped garnet phosphors. The present invention furthermore relates to a process for the preparation of cerium-doped garnet phosphors, and to the use of these garnet phosphors as conversion phosphors. The present invention furthermore relates to a light-emitting device which contains cerium-doped garnet phosphors according to the invention.Type: ApplicationFiled: September 23, 2014Publication date: August 25, 2016Applicant: MERCK PATENT GMBHInventors: Tim VOSGROENE, Holger WINKLER, Ralf PETRY, Christof HAMPEL, Andreas BENKER
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Publication number: 20160200973Abstract: The invention relates to compounds containing an anionic skeleton structure, dopants and cations, where a. the anionic skeleton structure is characterised by coordination tetrahedra GL4?, where G stands for silicon, and L stands for N and O, b. the cations are selected from the alkaline-earth metals, c. the dopant present is trivalent cerium or a mixture of trivalent cerium and divalent europium, d. the charge compensation of the cerium doping takes place i) via corresponding replacement of alkaline-earth metal cations by alkali-metal cations and/or ii) via a corresponding increase in the nitrogen content and/or iii) via a corresponding reduction in the cations, to a process for the preparation of these compounds, and to the use thereof as conversion phosphors.Type: ApplicationFiled: December 2, 2013Publication date: July 14, 2016Applicant: Merck Patent GmbHInventors: Holger WINKLER, Ralf PETRY, Tim VOSGROENE, Christof HAMPEL, Andreas BENKER
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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
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Publication number: 20160108311Abstract: The present invention relates to garnet 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: April 7, 2014Publication date: April 21, 2016Applicant: MERCK PATENT GMBHInventors: Holger WINKLER, Ralf PETRY, Tim VOSGROENE, Peter BARNEKOW, Thomas JUESTEL, Claudia SUESSEMILCH
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Publication number: 20160090529Abstract: 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: ApplicationFiled: April 30, 2014Publication date: March 31, 2016Applicant: Merck Patent GmbHInventors: Ralf PETRY, Holger WINKLER, Thomas JUESTEL, Matthias MUELLER
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Publication number: 20160068683Abstract: 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: September 8, 2015Publication date: March 10, 2016Inventors: Gerhard PFAFF, Stephanie ANDES, Klaus AMBROSIUS, Ralf PETRY, Michael ROESLER, Sabine SCHOEN
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Patent number: 9157025Abstract: The invention relates to novel phosphor mixtures comprising three or more silicate phosphors. The invention furthermore relates to the use of these mixtures in electronic and electro-optical devices, in particular in light-emitting diodes (LEDs) for backlighting applications. The invention furthermore relates to LEDs comprising the phosphors.Type: GrantFiled: September 10, 2010Date of Patent: October 13, 2015Assignee: MERCK PATENT GMBHInventors: Holger Winkler, Andreas Benker, Martina Hueber, Monika Kursawe, Ralf Petry, Stefan Tews, Tim Vosgroene
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Publication number: 20150275079Abstract: 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: ApplicationFiled: October 4, 2013Publication date: October 1, 2015Inventors: Ralf Petry, Holger Winkler, Tim Vosgroene, Christof Hampel, Andreas Benker, Thomas Juestel
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Patent number: 9139763Abstract: The invention relates to surface-modified phosphor particles based on luminescent particles of (Ca,Sr,Ba)2SiO4 and/or other silicates, in each case individually or mixtures thereof with one or more activator ions, such as Eu, Mn, Ce and/or Mg and/or Zn, where at least one metal, transition-metal or semimetal oxide coating and an organic coating are applied to the luminescent particles, and to a preparation process.Type: GrantFiled: October 23, 2008Date of Patent: September 22, 2015Assignee: MERCK PATENT GMBHInventors: Holger Winkler, Reinhold Rueger, Ralf Petry, Tim Vosgroene, Walter Tews
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Patent number: 9093623Abstract: The invention relates to a casting composition based on a transparent epoxy or silicone resin (1), in particular for uses in an electroluminescent component (3), which preferably emits white light. The casting composition serves as diffusion barrier for moisture or water molecules through the use of glass and/or silica particles (2).Type: GrantFiled: December 1, 2010Date of Patent: July 28, 2015Assignee: Merck Patent GmbHInventors: Ralf Petry, Holger Winkler, Tim Vosgroene
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Publication number: 20150203748Abstract: 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: ApplicationFiled: June 14, 2013Publication date: July 23, 2015Applicant: MERCK PATENT GMBHInventors: Tim Vosgroene, Holger Winkler, Ralf Petry, Andreas Benker, Christof Hampel
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Patent number: 9045687Abstract: The invention relates to carbodiimide compounds of the general formula (I) EA2-ySi(CN2)4-xOx:Euy where EA stands for one or more elements selected from Mg, Ca, Sr, Ba or Zn and x stands for a value from the range from 0 to 3.9 and Y stands for a value from the range from 0.01 to 0.4, and a process for the preparation of these phosphors and the use thereof as conversion phosphors or in lamps.Type: GrantFiled: June 24, 2011Date of Patent: June 2, 2015Assignee: MERCK PATENT GMBHInventors: Holger Winkler, Andreas Benker, Ralf Petry, Tim Vosgroene
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Patent number: 9028716Abstract: The invention relates to compounds of the formula (I) Ma2-y (Ca,Sr,Ba)1-x-ySi5-zMezN8:Eux Cey (I), where Ma=Li, Na and/or K Me=Hf4+ and/or Zr4+ x=0.0015 to 0.20 and y=0 to 0.15 z<4, and to a process for the preparation of these compounds and to the use as phosphors and conversion phosphors for conversion of the blue or near-UV emission from an LED.Type: GrantFiled: February 1, 2010Date of Patent: May 12, 2015Assignee: Merck Patent GmbHInventors: Holger Winkler, Ralf Petry, Tim Vosgroene, Thomas Juestel, Dominik Uhlich, Danuta Dutczak
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Patent number: 8858834Abstract: The invention relates to compounds of the formula (I): (Ca,Sr,Ba)1-x-yMeySiN2:Eux, where Me?Mn2+, Mg2+, Be2+, Ni2+, Co2+ and/or Ru2+; x=0.005 to 0.20; and y<1, and/or of the formula (II): (Ca,Sr,Ba)2-xSi1-zMazN2:Eux, where Ma?Hf4+, Th4+ and/or Zr4+; x=0.005 to 0.20; and z<1, and to a process for the preparation of these compounds, and to the use as phosphors and conversion phosphors for conversion of the blue or near-UV emission from an LED.Type: GrantFiled: November 2, 2009Date of Patent: October 14, 2014Assignee: MERCK PATENT GmbHInventors: Holger Winkler, Ralf Petry, Thomas Vosgroene, Thomas Juestel, Arturas Kastelnikovas, Dominik Uhlich
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Patent number: 8801968Abstract: The invention relates to surface-modified phosphor particles based on luminescent particles which comprise at least one luminescent compound, where (Ca,Sr,Ba)2SiO4 and other silicates having one or more activator ions, such as Eu, Ce and Mn, are excluded as luminescent compounds, and where at least one inorganic layer comprising oxides/hydroxides of Si, Al, Zr, Zn, Ti and/or mixtures thereof and an organic coating of organosilanes or polyorganosiloxanes (silicones) and/or mixtures thereof are applied to the luminescent particles, and to a production process.Type: GrantFiled: October 29, 2008Date of Patent: August 12, 2014Assignee: Merck Patent GmbHInventors: Ralf Petry, Reinhold Rueger, Tim Vosgroene, Holger Winkler
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Patent number: 8721925Abstract: The invention relates to compounds of the formula (I) (Ca,Sr,Ba)6-X(Si1-yMey)3(O1-zMa2z)6N4:Eux (I), where Me=Th, Ru and/or Os Ma=F and/or Cl, x<0.5, y<1 and z<0.1, and to a process for the preparation of these compounds and use as phosphors and conversion phosphors for the conversion of the blue or near-UV emission from an LED.Type: GrantFiled: June 17, 2010Date of Patent: May 13, 2014Assignee: MERCK PATENT GmbHInventors: Holger Winkler, Ralf Petry, Tim Vosgroene, Thomas Juestel, Dominik Uhlich, Arturas Katelnikovas
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Publication number: 20130341637Abstract: The invention relates to compounds of the general formula I (Sr1-z-nCazEun)mMp(SiN2)m-x(CN2)xSi3wN4w+p ??(I) where M stands for Al, Ga, Y, Gd or Lu and m stands for a value between 1 and 3 and n stands for a value from the range 0.005 m n 0.2 m and p stands for a value from 0 to 3 and w stands for a value from 0 to 2 and x stands for a value from the range 0 x m and z stands for a value from the range 0 z 0.4, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors or in lamps.Type: ApplicationFiled: February 13, 2012Publication date: December 26, 2013Applicant: MERCK PATENT GMBHInventors: Tim Vosgroene, Holger WIinkler, Ralf Petry, Andreas Benker, Thomas Juestel, Dominik Uhlech