Patents by Inventor Andreas Benker

Andreas Benker 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).

  • Publication number: 20200010759
    Abstract: 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: Application
    Filed: March 5, 2018
    Publication date: January 9, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Andreas BENKER, Ralf PETRY, Ingo KOEHLER, Irene (Yu Huan) LIU, Christof HAMPEL, Aleksander ZYCH
  • Publication number: 20180066186
    Abstract: 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: Application
    Filed: March 2, 2016
    Publication date: March 8, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Aleksander ZYCH, Mathias RAPPHAHN, Ralf PETRY, Ingo KOEHLER, Andreas BENKER, Stefan TEWS
  • Patent number: 9856417
    Abstract: 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: Grant
    Filed: October 4, 2013
    Date of Patent: January 2, 2018
    Assignee: Merck Patent GmbH
    Inventors: Ralf Petry, Holger Winkler, Tim Vosgroene, Christof Hampel, Andreas Benker, Thomas Juestel
  • Patent number: 9758722
    Abstract: 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: Grant
    Filed: November 6, 2014
    Date of Patent: September 12, 2017
    Assignee: MERCK PATENT GMBH
    Inventors: Aleksander Zych, Ralf Petry, Holger Winkler, Christof Hampel, Andreas Benker, Thomas Juestel
  • Patent number: 9580649
    Abstract: 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: Grant
    Filed: June 14, 2013
    Date of Patent: February 28, 2017
    Assignee: Merck Patent GmbH
    Inventors: Tim Vosgroene, Holger Winkler, Ralf Petry, Andreas Benker, Christof Hampel
  • Publication number: 20160304779
    Abstract: 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: Application
    Filed: November 6, 2014
    Publication date: October 20, 2016
    Applicant: Merck Patent GmbH
    Inventors: Aleksander ZYCH, Ralf PETRY, Holger WINKLER, Christof HAMPEL, Andreas BENKER, Thomas JUESTEL
  • Publication number: 20160244665
    Abstract: 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: Application
    Filed: September 23, 2014
    Publication date: August 25, 2016
    Applicant: MERCK PATENT GMBH
    Inventors: Tim VOSGROENE, Holger WINKLER, Ralf PETRY, Christof HAMPEL, Andreas BENKER
  • Publication number: 20160200973
    Abstract: 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: Application
    Filed: December 2, 2013
    Publication date: July 14, 2016
    Applicant: Merck Patent GmbH
    Inventors: Holger WINKLER, Ralf PETRY, Tim VOSGROENE, Christof HAMPEL, Andreas BENKER
  • Publication number: 20160152891
    Abstract: 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: Application
    Filed: December 2, 2013
    Publication date: June 2, 2016
    Applicant: Merk Patent GmbH
    Inventors: Ralf PETRY, Holger WINKLER, Aleksander ZYCH, Christof HAMPEL, Andreas BENKER
  • Patent number: 9157025
    Abstract: 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: Grant
    Filed: September 10, 2010
    Date of Patent: October 13, 2015
    Assignee: MERCK PATENT GMBH
    Inventors: Holger Winkler, Andreas Benker, Martina Hueber, Monika Kursawe, Ralf Petry, Stefan Tews, Tim Vosgroene
  • Publication number: 20150275079
    Abstract: 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: Application
    Filed: October 4, 2013
    Publication date: October 1, 2015
    Inventors: Ralf Petry, Holger Winkler, Tim Vosgroene, Christof Hampel, Andreas Benker, Thomas Juestel
  • Publication number: 20150203748
    Abstract: 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: Application
    Filed: June 14, 2013
    Publication date: July 23, 2015
    Applicant: MERCK PATENT GMBH
    Inventors: Tim Vosgroene, Holger Winkler, Ralf Petry, Andreas Benker, Christof Hampel
  • Patent number: 9045687
    Abstract: 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: Grant
    Filed: June 24, 2011
    Date of Patent: June 2, 2015
    Assignee: MERCK PATENT GMBH
    Inventors: Holger Winkler, Andreas Benker, Ralf Petry, Tim Vosgroene
  • Publication number: 20130341637
    Abstract: 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: Application
    Filed: February 13, 2012
    Publication date: December 26, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Tim Vosgroene, Holger WIinkler, Ralf Petry, Andreas Benker, Thomas Juestel, Dominik Uhlech
  • Publication number: 20130121014
    Abstract: The invention relates to carbodiimide compounds of the general formula (I) EA2-y Si(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: Application
    Filed: June 24, 2011
    Publication date: May 16, 2013
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Holger Winkler, Andreas Benker, Ralf Petry, Tim Vosgroene
  • Publication number: 20130063926
    Abstract: The invention relates to mixtures comprising at least one phosphor of the formula I, AaLuc,CexAll,GamO12??(I) and at least one red-emitting phosphor, to a corresponding process for the preparation of these mixtures, and to the use thereof as conversion phosphors.
    Type: Application
    Filed: April 26, 2011
    Publication date: March 14, 2013
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Holger Winkler, Andreas Benker, Ralf Petry, Tim Vosgroene
  • Publication number: 20120199865
    Abstract: 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: Application
    Filed: September 10, 2010
    Publication date: August 9, 2012
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Holger Winkler, Andreas Benker, Martina Hueber, Monika Kursawe, Ralf Petry, Stefan Tews, Tim Vosgroene