Patents by Inventor Thomas Jüstel

Thomas Jüstel 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).

  • PHOSPHORS
    Publication number: 20160108311
    Abstract: 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: Application
    Filed: April 7, 2014
    Publication date: April 21, 2016
    Applicant: MERCK PATENT GMBH
    Inventors: Holger WINKLER, Ralf PETRY, Tim VOSGROENE, Peter BARNEKOW, Thomas JUESTEL, Claudia SUESSEMILCH
  • PHOSPHORS
    Publication number: 20160090529
    Abstract: 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: Application
    Filed: April 30, 2014
    Publication date: March 31, 2016
    Applicant: Merck Patent GmbH
    Inventors: Ralf PETRY, Holger WINKLER, Thomas JUESTEL, Matthias MUELLER
  • EU-ACTIVATED LUMINOPHORES
    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
  • SM-activated aluminate and borate phosphors
    Patent number: 9102873
    Abstract: Disclosed are phosphors of formula (I) (Ln1?a?bGdaSmb)wMgxSry(Al1?cBc)zO(3/2w+x+y+3/2z) (I), where Ln=Y, La and/or Lu; a, c=0.0 to 1.0; 0<b<0.2 and a+b<1.0; w=1.0 to 3.0; x, y=1.0 to 2.0 and z>0.0 to 12.0, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors for conversion of the near-UV emission from an LED.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: August 11, 2015
    Assignee: Merck Patent GmbH
    Inventors: Holger Winkler, Thomas Juestel, Simas Sakirzanovas
  • Mn-activated phosphors
    Patent number: 9080104
    Abstract: The invention relates to compounds of the general formula (I): Lu3?x?zAxAl5?y?zScyO12:MnzCaz,, where A stands for Y, Gd or Tb, x stands for a value from the range from 0 to 2.90, y stands for a value from the range from 0 to 0.50, z stands for a value from the range from 0.005 to 0.05, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors or in lamps.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: July 14, 2015
    Assignee: Merck Patent GmbH
    Inventors: Holger Winkler, Thomas Juestel, Andre Bleise
  • Nitridosilicates co-doped with zirconium and hafnium
    Patent number: 9028716
    Abstract: 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: Grant
    Filed: February 1, 2010
    Date of Patent: May 12, 2015
    Assignee: Merck Patent GmbH
    Inventors: Holger Winkler, Ralf Petry, Tim Vosgroene, Thomas Juestel, Dominik Uhlich, Danuta Dutczak
  • SILICATE PHOSPHORS
    Publication number: 20150085472
    Abstract: The present invention relates to Eu-, Sm- or Pr-doped silicate compounds, 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 lighting units which contain a primary light source and the emission-converting material according to the invention.
    Type: Application
    Filed: March 22, 2013
    Publication date: March 26, 2015
    Applicant: Merck Patent GmbH
    Inventors: Holger Winkler, Thomas Juestel, Arturas Katelnikovas, Florian Baur
  • Silicophosphate phosphors
    Patent number: 8987687
    Abstract: The invention relates to compounds of the general formula I (Ba1-a-bSraEub)2+x(Lu1-c-dYcGdd)2?x(PO4)2+x(SiO4)1?x??(I) where b stands for a value from the range 0<b?0.2 a, c, d stand, independently of one another, for a value from the range from 0 to 1 x stands for a value from the range from 0 to 0.8, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors or in lamps.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: March 24, 2015
    Assignee: Merck Patent GmbH
    Inventors: Holger Winkler, Thomas Juestel, Arturas Kastelnikovas, Olga Darcanova
  • COMPOSITE CERAMIC WHICH COMPRISES A CONVERSION PHOSPHOR AND A MATERIAL HAVING A NEGATIVE COEFFICIENT OF THERMAL EXPANSION
    Publication number: 20150041712
    Abstract: The present invention relates to a composite ceramic which comprises a conversion phosphor and a further material, characterised in that the further material has a negative coefficient of thermal expansion, and to a process for the preparation thereof. Furthermore, the present invention also relates to the use of the composite ceramic according to the invention as emission-converting material, preferably in a white light source, and to a light source, a lighting unit and a display device.
    Type: Application
    Filed: March 2, 2013
    Publication date: February 12, 2015
    Applicant: Merck Patent GmbH
    Inventors: Holger Winkler, Thomas Juestel, Julian Plewa
  • Tungstate-based scintillating materials for detecting radiation
    Patent number: 8907292
    Abstract: A tungstate-based scintillating material and a method for using a tungstate-based scintillating material is provided. In addition, a radiation detector and an imaging device incorporating a tungstate-based scintillating material are provided.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: December 9, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Thomas Juestel, Cornelis Reinder Ronda
  • RED EMITTING PHOSPHOR FOR PLASMA DISPLAY PANELS AND GAS DISCHARGE LAMPS
    Publication number: 20140333203
    Abstract: The invention provides a lighting unit (100) comprising (1) a vacuum ultraviolet (VUV) radiation based source of radiation (10) configured to generate VUV radiation (11), and (2) a luminescent material (20) configured to convert at least part of the VUV radiation into visible luminescent material light (21), wherein the luminescent material comprises a trivalent praseodymium containing material selected from the group consisting of (Zr1-x-yHfxPry)(Si1-yPy)04, (Zr1-x-yHfxPry)3((P1-3/4yS3/4y)04)4, and (Zr1-x-yHxPry)3((B1-3/4yX3/4y))O3)4, with x in the range of 0.0-1.0 and y being larger than 0 and being equal to or smaller than 0.15.
    Type: Application
    Filed: December 4, 2012
    Publication date: November 13, 2014
    Inventors: Georg Greuel, Thomas Juestel, Helga Bettentrup, Benjamin Herden, David Enseling
  • Co-doped 1-1-2 nitrides
    Patent number: 8858834
    Abstract: 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: Grant
    Filed: November 2, 2009
    Date of Patent: October 14, 2014
    Assignee: MERCK PATENT GmbH
    Inventors: Holger Winkler, Ralf Petry, Thomas Vosgroene, Thomas Juestel, Arturas Kastelnikovas, Dominik Uhlich
  • LUMINESCENT MATERIAL PARTICLES COMPRISING A COATING AND LIGHTING UNIT COMPRISING SUCH LUMINESCENT MATERIAL
    Publication number: 20140131619
    Abstract: The invention provides a a luminescent material comprising particles of UV-luminescent material having a coating, wherein the coating (a “multi-layer coating”) comprises a first coating layer and a second coating layer, wherein the first coating layer is between the luminescent material and the second coating layer, and wherein in a specific embodiment the second coating layer comprises an alkaline earth oxide, especially MgO. Further, the invention provides a lighting unit comprising such luminescent material.
    Type: Application
    Filed: June 25, 2012
    Publication date: May 15, 2014
    Applicant: KONINKLIJKE PHILIPS N.V.
    Inventors: Georg Greuel, Thomas Juestel, Jagoda Magdalena Kuc
  • Co-doped silicooxynitrides
    Patent number: 8721925
    Abstract: 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: Grant
    Filed: June 17, 2010
    Date of Patent: May 13, 2014
    Assignee: MERCK PATENT GmbH
    Inventors: Holger Winkler, Ralf Petry, Tim Vosgroene, Thomas Juestel, Dominik Uhlich, Arturas Katelnikovas
  • LED light source with a luminescent layer
    Patent number: 8651723
    Abstract: The invention relates to GLS-look-alike LED light source (100) comprising two different types of LEDs (21, 22), preferably LEDs emitting with a near UV spectrum and a blue or white spectrum, respectively. The light source (100) further preferably comprises a transparent bulb (40) with a shape similar to an incandescent lamp that is coated by a luminescent layer (30) to achieve a white lamp spectrum. The luminescent layer may contain one or two luminescent compositions.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: February 18, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Thomas Juestel, Jacqueline Merikhi, Henning Ohland, Joachim Opitz, Harald Josef Guenther Radermacher, Detlef Uwe Wiechert
  • CARBODIIMIDE PHOSPHORS
    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
  • UV-EMITTING PHOSPHORS
    Publication number: 20130289132
    Abstract: The invention provides a wavelength converting material comprising a compound of the formula (Y1-w-x-y-zScwLaxGdyLuz)2-a(S04)3:Mea, wherein Me represents trivalent cation or a mixture of trivalent cations capable of emitting UV-C radiation, and wherein each of w, x, y and z is in the range of from 0.0 to 1.0 and w+x+y+z?1.0, and wherein 0.0005?a?0.2. The wavelength converting material may be applied in an illumination device for UV illumination, in particular for sterilization or disinfection by germicidal UV illumination.
    Type: Application
    Filed: December 13, 2011
    Publication date: October 31, 2013
    Applicant: KONINKLIJKE PHILIPS N.V.
    Inventors: Georg Greuel, Julian Plewa, Helga Bettentrup, Thomas Juestel
  • Method for Identifying an Object
    Publication number: 20130193346
    Abstract: The invention relates to a method for identifying an object, wherein said object has a security element, which contains one or more inorganic luminescent pigments, wherein the method comprises the steps of producing an emission spectrum of the luminescent pigment and comparing the obtained emission spectrum with the spectrum specified for the security element. The invention further relates to a security element, by means of which it is possible to determine the authenticity of a product in a simple manner.
    Type: Application
    Filed: February 9, 2011
    Publication date: August 1, 2013
    Applicant: TAILORLUX GMBH
    Inventors: Thomas Jüstel, Dominik Uhlich, Helga Bettentrup, Alex Deitermann, Sebastian Rütter
  • MN-ACTIVATED PHOSPHORS
    Publication number: 20130193472
    Abstract: The invention relates to compounds of the general formula (I): Lu3-x-zAxAl5-y-zScyO12:MnzCaz,, where A stands for Y, Gd or Tb, x stands for a value from the range from 0 to 2.90, y stands for a value from the range from 0 to 0.50, z stands for a value from the range from 0.005 to 0.05, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors or in lamps.
    Type: Application
    Filed: September 16, 2011
    Publication date: August 1, 2013
    Applicant: Merck Patent GmbH
    Inventors: Holger Winkler, Thomas Juestel, Andre Bleise
  • Silicophosphate phosphors
    Publication number: 20130168574
    Abstract: The invention relates to compounds of the general formula I (Ba1-a-bSraEub)2+x(Lu1-c-dYcGdd)2?x(PO4)2+x(SiO4)1-x??(I) where b stands for a value from the range 0<b?0.2 a, c, d stand, independently of one another, for a value from the range from 0 to 1 x stands for a value from the range from 0 to 0.8, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors or in lamps.
    Type: Application
    Filed: August 16, 2011
    Publication date: July 4, 2013
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Holger Winkler, Thomas Juestel, Arturas Kastelnikovas, Olga Darcanova