Patents by Inventor Andrew Jules Steckl

Andrew Jules Steckl 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).

  • Patent number: 6821799
    Abstract: Multi-color light-emissive displays in which the constituent light-emissive devices providing the multiple colors are laterally integrated on the surface of a substrate. The light-emissive devices, typically emitting light by electroluminescence, are arranged such that adjacent devices emit light of a differing wavelength or color. The semiconductor phosphor material forming the active element of each light-emissive device is laterally defined by a lift-off technique in which a patterned layer of a sacrificial material is formed on the substrate, a layer of the semiconductor phosphor material is deposited, and the sacrificial layer is removed to leave semiconductor phosphor material on the substrate in selected locations defined by the pattern. The lift-off technique is iterated to successively fabricate active elements for light-emissive devices of each differing wavelength constituting the multi-color display.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: November 23, 2004
    Assignee: University of Cincinnati
    Inventors: Andrew Jules Steckl, Yongqiang Wang
  • Publication number: 20030230753
    Abstract: Multi-color light-emissive displays in which the constituent light-emissive devices providing the multiple colors are laterally integrated on the surface of a substrate. The light-emissive devices, typically emitting light by electroluminescence, are arranged such that adjacent devices emit light of a differing wavelength or color. The semiconductor phosphor material forming the active element of each light-emissive device is laterally defined by a lift-off technique in which a patterned layer of a sacrificial material is formed on the substrate, a layer of the semiconductor phosphor material is deposited, and the sacrificial layer is removed to leave semiconductor phosphor material on the substrate in selected locations defined by the pattern. The lift-off technique is iterated to successively fabricate active elements for light-emissive devices of each differing wavelength constituting the multi-color display.
    Type: Application
    Filed: June 13, 2002
    Publication date: December 18, 2003
    Applicant: University of Cincinnati
    Inventors: Andrew Jules Steckl, Yongqiang Wang