Patents Assigned to Patent-Treuhand-Gesellschaft für elektrishe Gl?hlampen mbH
  • High-pressure discharge lamp for vehicle headlights
    Patent number: 7126281
    Abstract: The invention relates to a mercury-free high-pressure discharge lamp for use in a vehicle headlight. The ionizable filling of the high-pressure discharge lamp according to the invention comprises exclusively xenon and the halides of the metals sodium, scandium, indium and zinc.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: October 24, 2006
    Assignee: Patent-Treuhand-Gesellschaft für elektrishe Glūhlampen mbH
    Inventors: Dirk Grundmann, Conrad Schimke