Patents by Inventor Stephen E. Zimmerman

Stephen E. Zimmerman 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).

  • ORGANIC PHOTOSENSITIVE DEVICES WITH EXCITON-BLOCKING CHARGE CARRIER FILTERS
    Publication number: 20240074218
    Abstract: Disclosed herein are organic photosensitive devices including at least one exciton-blocking charge carrier filter. The filters comprise a mixture of at least one wide energy gap material and at least one electron or hole conducting material. As described herein, the novel filters simultaneously block excitons and conduct the desired charge carrier (electrons or holes).
    Type: Application
    Filed: March 15, 2023
    Publication date: February 29, 2024
    Inventors: Stephen R. Forrest, Xin Xiao, Jeramy D. Zimmerman, Kevin Bergemann, Anurag Panda, Brian E. Lassiter, Mark E. Thompson, Andrew N. Bartynski, Cong Trinh
  • System and method of adjusting viewing angle for display based on viewer positions and lighting conditions
    Patent number: 8115877
    Abstract: A method for adjusting a viewing angle of a display, includes determining a location of one or more viewers and determining lighting conditions. Additionally, the method includes calculating an optimal viewing position of the display based on the location of the one or more viewers and the lighting conditions and adjusting the display based on the optimal viewing position.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: February 14, 2012
    Assignee: International Business Machines Corporation
    Inventors: Robert D. Blatchley, Jurij M. Deputat, Donald P. Taylor, III, Stephen E. Zimmerman
  • SYSTEM AND METHOD OF ADJUSTING VIEWING ANGLE FOR DISPLAY BASED ON VIEWER POSITIONS AND LIGHTING CONDITIONS
    Publication number: 20090174658
    Abstract: A method for adjusting a viewing angle of a display, includes determining a location of one or more viewers and determining lighting conditions. Additionally, the method includes calculating an optimal viewing position of the display based on the location of the one or more viewers and the lighting conditions and adjusting the display based on the optimal viewing position.
    Type: Application
    Filed: January 4, 2008
    Publication date: July 9, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Robert D. BLATCHLEY, Jurij M. Deputat, Donald P. Taylor, III, Stephen E. Zimmerman