Patents by Inventor Lutz Hocppel

Lutz Hocppel 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).

  • Radiation-Emitting Semiconductor Body
    Publication number: 20100207100
    Abstract: A radiation-emitting semiconductor body includes a contact layer and an active zone. The semiconductor body has a tunnel junction arranged between the contact layer and the active zone. The active zone has a multi-quantum well structure containing at least two active layers that emit electromagnetic radiation when an operating current is impressed into the semiconductor body.
    Type: Application
    Filed: June 20, 2008
    Publication date: August 19, 2010
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Martin Strassburg, Lutz Hocppel, Matthias Sabathil, Matthias Peter, Uwe Strauss