Patents by Inventor Paul Peijzel

Paul Peijzel 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).

  • Patent number: 6917153
    Abstract: 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: Grant
    Filed: April 25, 2002
    Date of Patent: July 12, 2005
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Koert Oskam, Paul Peijzel, Andries Meijerink, Claus Feldmann
  • Publication number: 20020185961
    Abstract: 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: Application
    Filed: April 25, 2002
    Publication date: December 12, 2002
    Inventors: Koert Oskam, Paul Peijzel, Andries Meijerink, Claus Feldmann