Patents by Inventor Hans Bechtel

Hans Bechtel 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).

  • ELECTROLUMINESCENT DEVICE WITH IMPROVED LIGHT OUTPUT
    Publication number: 20080061688
    Abstract: The invention relates to an electroluminescent device comprising a substrate (1) and a laminated body composed of a first electrode (3), an electroluminescent layer (4) and a second electrode (5). The light output out of the electroluminescent device is increased by arranging a colloidal layer (2) between the substrate (1) and the laminated body. By using pigments in the colloidal layer (2), the emission color of the electroluminescent device can be changed and the daylight contrast improved.
    Type: Application
    Filed: August 15, 2007
    Publication date: March 13, 2008
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Hans BECHTEL, Wolfgang BUSSELT, Joachim OPITZ, Markus KLEIN, Dietrich BERTRAM, Harald GLASER
  • Electroluminescent device with improved light output
    Publication number: 20050206311
    Abstract: The invention relates to an electroluminescent device comprising a substrate (1) and a laminated body composed of a first electrode (3), an electroluminescent layer (4) and a second electrode (5). The light output out of the electroluminescent device is increased by arranging a colloidal layer (2) between the substrate (1) and the laminated body. By using pigments in the colloidal layer (2), the emmission color of the electroluminescent device can be changed and the daylight contrast improved.
    Type: Application
    Filed: June 18, 2003
    Publication date: September 22, 2005
    Applicant: Koninklijke Philips Electronics N.V.
    Inventors: Hans Bechtel, Wolfgang Busselt, Joachim Opitz, Markus Klein, Dietrich Bertram, Harald Glaser