Patents by Inventor Andries Meijerink
Andries Meijerink 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: 20130105736Abstract: The invention relates to an converter material for solar cells using Sm2+.Type: ApplicationFiled: July 5, 2011Publication date: May 2, 2013Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Cornelis Reinder Ronda, Dirk Kornelis Gerhardus De Boer, Andries Meijerink, Nikolaos Christogiannis, Danielle Beelen, Wilhelmus Cornelis Keur
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Publication number: 20060290258Abstract: A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling suitable for a gas discharge which emits VUV radiation, with a phosphor coating containing a down-conversion phosphor and with means for igniting and maintaining a gas discharge, in which the down-conversion phosphor has, in a host lattice, a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a sensitizer selected from the group formed by the thallium(I) ion and lead(II) ion, is environmentally friendly and has a high lamp efficiency (lamp. The invention also relates to a down-conversion phosphor comprising, in a host lattice, a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a sensitizer selected from the group formed by the thallium(I) ion and lead(II) ion, wherein the sensitizer occupies a crystallographic site with a coordination number C.N.?10.Type: ApplicationFiled: August 16, 2004Publication date: December 28, 2006Applicant: Koninklike Philips Electronics, N.V.Inventors: Claus Feldmann, Maya Doytcheva, Andries Meijerink
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Patent number: 7141920Abstract: A gas discharge lamp has a gas discharge vessel filled with a gas filling suitable for a gas discharge which emits VUV radiation, with a phosphor coating containing a downconversion phosphor. The downconversion phosphor has, in a host lattice, a pair of activators of a first lanthanoid ion and a second lanthanoid ion; a sensitizer selected from the group formed by the thallium(I) ion, lead(II) ion and bismuth(III) ion; and samarium(II) ion co-activator.Type: GrantFiled: May 30, 2002Date of Patent: November 28, 2006Assignee: Koninklijke Philips Electronics, N.V.Inventors: Koert Oskam, Andries Meijerink, Rene Theodorus Wegh, Claus Feldmann, Detlef Uwe Wiechert, Thomas Juestel, Cornelis Reinder Ronda
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Patent number: 6917153Abstract: A luminophore capable of down conversion has a host lattice with a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a co-activator of a third lanthanoid ion. A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling which is suitable for a gas discharge which emits VUV radiation, and has a luminophore coating containing the down conversion luminophore is environmentally friendly and has good lamp efficiency.Type: GrantFiled: April 25, 2002Date of Patent: July 12, 2005Assignee: Koninklijke Philips Electronics N.V.Inventors: Koert Oskam, Paul Peijzel, Andries Meijerink, Claus Feldmann
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Patent number: 6822385Abstract: A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling is suitable for a gas discharge which emits VUV radiation, with a luminophore coating containing a down conversion luminophore and with means for igniting and maintaining a gas discharge in which the down conversion luminophore has in a host lattice a pair of activators of the a first lanthanoid ion and a second lanthanoid ion and a sensitizer selected from the group of the cerium (III) ion, praseodymium (III) ion, neodymium (III) ion, samarium (III) ion, europium (III) ion, gadolinium (III) ion, terbium (III) ion, dysprosium (III) ion, holmium (III) ion, erbium (III) ion, thulium (III) ion, ytterbium (III) ion and lutetium (III) ion, is environmentally friendly and has a high lamp efficiency &eegr;lamp.Type: GrantFiled: April 25, 2002Date of Patent: November 23, 2004Assignee: Koninklijke Philips Electronics, N.V.Inventors: Koert Oskam, Andries Meijerink
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Publication number: 20040155569Abstract: A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling suitable for a gas discharge which emits VUV radiation, with a phosphor coating containing a downconversion phosphor and with means for igniting and maintaining a gas discharge, in which the downconversion phosphor has, in a host lattice, a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a sensitizer selected from the group formed by the thallium(I) ion, lead(II) ion and bismuth(III) ion, is environmentally friendly and has a high lamp efficiency &eegr;lamp.Type: ApplicationFiled: November 25, 2003Publication date: August 12, 2004Inventors: Koert Oskam, Andries Meijerink, Rene Wegh, Claus Feldman, Detlef Wiechert, Thomas Juestel, Cornelis Reinder Ronda
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Publication number: 20020190645Abstract: A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling is suitable for a gas discharge which emits VUV radiation, with a luminophore coating containing a down conversion luminophore and with means for igniting and maintaining a gas discharge in which the down conversion luminophore has in a host lattice a pair of activators of the a first lanthanoid ion and a second lanthanoid ion and a sensitizer selected from the group of the cerium (III) ion, praseodymium (III) ion, neodymium (III) ion, samarium (III) ion, europium (III) ion, gadolinium (III) ion, terbium (III) ion, dysprosium (III) ion, holmium (III) ion, erbium (III) ion, thulium (III) ion, ytterbium (III) ion and lutetium (III) ion, is environmentally friendly and has a high lamp efficiency &eegr;lamp.Type: ApplicationFiled: April 25, 2002Publication date: December 19, 2002Inventors: Koert Oskam, Andries Meijerink
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Publication number: 20020185961Abstract: A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling is suitable for a gas discharge which emits VUV radiation, with a luminophore coating containing a down conversion luminophore and with means for igniting and maintaining a gas discharge, in which the down conversion luminophore has in a host lattice a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a co-activator of a third lanthanoid ion, is environmentally friendly and has a very a good lamp efficiency.Type: ApplicationFiled: April 25, 2002Publication date: December 12, 2002Inventors: Koert Oskam, Paul Peijzel, Andries Meijerink, Claus Feldmann
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Patent number: 6251304Abstract: A luminescent material includes erbium, gadolinium and an activator chosen from the rare earth elements and/or the transition metals. Upon excitation with radiation having a short enough wavelength, the luminescent material acts as a quantum cutter and has a quantum efficiency of more than 100%.Type: GrantFiled: October 18, 1999Date of Patent: June 26, 2001Assignee: U.S. Philips CorporationInventors: René T. Wegh, Andries Meijerink
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Patent number: 5140159Abstract: A method for recording and reproducing an X-ray image is provided which method comprises the steps of:(1) causing a photostimulable phosphor to absorb image-wise or pattern-wise modulated X-rays,(2) photostimulating said phosphor with stimulating electromagnetic radiation selected from visible light and infrared light to release from the phosphor in accordance with the absorbed X-rays electromagnetic radiation different in wavelength characteristic from the radiation used in the photo-stimulation, and(3) detecting said light emitted by photostimulation, wherein said phosphor is a haloborate.Type: GrantFiled: August 4, 1989Date of Patent: August 18, 1992Assignee: Agfa-Gevaert, N.V.Inventors: George Blasse, Andries Meijerink, David R. Terrell, Lodewijk M. Neyens
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Patent number: 5140163Abstract: A method for recording and reproducing an X-ray image is provided which method comprises the steps of:(1) causing a photostimulable phosphor to absorb image-wise or pattern-wise modulated X-rays,(2) photostimulating said phosphor with stimulating electromagnetic radiation selected from visible light and infrared light to release from the phosphor in accordance with the absorbed X-rays electromagnetic radiation different in wavelength characteristic from the radiation used in the photo-stimulation, and(3) detecting said light emitted by photostimulation, wherein said phosphor is a halosilicate containing as host metal at least one member selected from the group consisting of Ca, Sr, Ba, Mg, Cd, Zn and Pb, as halogen at least one member selected from the group consisting of Cl, Br and I, and comprising as dopant(s) Eu.sup.2+ and/or Cr.sup.3+.Type: GrantFiled: September 16, 1988Date of Patent: August 18, 1992Assignee: Agfa-Gevaert, N.V.Inventors: Melvin Tecotzky, George Blasse, Andries Meijerink, David R. Terrell, Luc A. Struye