Patents by Inventor Jens Østergaard Wagenblast Stubbe

Jens Østergaard Wagenblast Stubbe 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).

  • LED HEAD AND PHOTON EXTRACTOR
    Publication number: 20130182444
    Abstract: The invention concerns a semiconductor based light source comprising a back part, a front side and at least one semiconductor chip having an emitting surface, at least one reflective optical element being arranged below said at least one semiconductor chip, a material with low refractive index being disposed on a side of said reflective optical element facing said front side, wherein said semiconductor based light source comprises on said front side a compound material with high refractive index having at least one diffractive optical element embedded therein, such as to direct light incident on said diffractive optical element towards preferred directions.
    Type: Application
    Filed: March 7, 2011
    Publication date: July 18, 2013
    Applicant: BLACKBRITE APS
    Inventors: Jens Østergaard Wagenblast Stubbe, David Svensson