Patents by Inventor Volker Grossmann

Volker Grossmann 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).

  • Laserdiode
    Patent number: 10516252
    Abstract: A laser diode includes an active zone that emits radiation in a lateral emission angle range in a plane of the active zone via an emission side of a layer arrangement, an electrical contact is configured on a top side of the layer arrangement, the electrical contact includes a metallic adhesion layer and at least one metallic contact layer, the adhesion layer is arranged on the layer arrangement, the adhesion layer includes a layer stack including a first and a second layer, the first layer is arranged on the layer arrangement, the first layer is configured in a planar fashion, the second layer is subdivided into at least one first and at least one second partial surface, the adhesion layer is arranged in the first partial surface, and the contact layer is arranged on the first partial surface and in the second partial surface.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: December 24, 2019
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Alexander Bachmann, Volker Grossmann
  • LASERDIODE
    Publication number: 20180241178
    Abstract: A laser diode includes an active zone that emits radiation in a lateral emission angle range in a plane of the active zone via an emission side of a layer arrangement, an electrical contact is configured on a top side of the layer arrangement, the electrical contact includes a metallic adhesion layer and at least one metallic contact layer, the adhesion layer is arranged on the layer arrangement, the adhesion layer includes a layer stack including a first and a second layer, the first layer is arranged on the layer arrangement, the first layer is configured in a planar fashion, the second layer is subdivided into at least one first and at least one second partial surface, the adhesion layer is arranged in the first partial surface, and the contact layer is arranged on the first partial surface and in the second partial surface.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 23, 2018
    Inventors: Alexander Bachmann, Volker Grossmann