Patents by Inventor Stefan Kontermann

Stefan Kontermann 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).

  • Light distributor, a system comprising a light distributor and at least one LED luminaire and a method for producing a light distributor
    Patent number: 10605975
    Abstract: A light distributor, a system consisting of a light distributor and an LED luminaire, and a method for producing a light distributor are provided. The light distributor may include a transparent main body having a light entrance area and a light exit area, at least one light-scattering structure with a changed refractive index inside the main body for scattering light, and at least one light-guiding structure with a changed refractive index inside the main body for guiding light. The light-scattering structure and the light-guiding structure may be produced by means of ultrashort pulse laser processing. The light-scattering structure and the light-guiding structure with a changed refractive index may be arranged in the main body.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: March 31, 2020
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Stefan Kontermann, Wolfgang Schade, Christian Winter
  • LIGHT DISTRIBUTOR, A SYSTEM COMPRISING A LIGHT DISTRIBUTOR AND AT LEAST ONE LED LUMINAIRE AND A METHOD FOR PRODUCING A LIGHT DISTRIBUTOR
    Publication number: 20170205559
    Abstract: A light distributor, a system consisting of a light distributor and an LED luminaire, and a method for producing a light distributor are provided. The light distributor may include a transparent main body having a light entrance area and a light exit area, at least one light-scattering structure with a changed refractive index inside the main body for scattering light, and at least one light-guiding structure with a changed refractive index inside the main body for guiding light. The light-scattering structure and the light-guiding structure may be produced by means of ultrashort pulse laser processing. The light-scattering structure and the light-guiding structure with a changed refractive index may be arranged in the main body.
    Type: Application
    Filed: April 5, 2017
    Publication date: July 20, 2017
    Inventors: Stefan Kontermann, Wolfgang Schade, Christian Winter