Patents by Inventor Robert L. Endres

Robert L. Endres 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).

  • Optical stack with asymmetric diffuser
    Patent number: 9618791
    Abstract: The present disclosure describes an optical stack that includes an asymmetric diffuser. As described herein, use of an asymmetric diffuser in an optical stack reduces undesirable defects in a display while maintaining optical gain and/or contrast of the display. The asymmetric diffuser is less diffusive along a first direction that is parallel with linearly extending structures of an associated light directing film.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: April 11, 2017
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Adam D. Haag, Tri D. Pham, Steven H. C. Kong, Stephen J. Etzkorn, Robert L. Endres, Matthew B. Johnson
  • OPTICAL STACK WITH ASYMMETRIC DIFFUSER
    Publication number: 20140285749
    Abstract: The present disclosure describes an optical stack that includes an asymmetric diffuser. As described herein, use of an asymmetric diffuser in an optical stack reduces undesirable defects in a display while maintaining optical gain and/or contrast of the display.
    Type: Application
    Filed: November 21, 2012
    Publication date: September 25, 2014
    Inventors: Adam D. Haag, Tri D. Pham, Steven H.C. Kong, Stephen J. Etzkorn, Robert L. Endres, Matthew B. Johnson