Patents Represented by Attorney Arthur Kluegel

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  • Electroluminescent device including gallium complexes
    Patent number: 7569288
    Abstract: An OLED device comprises an anode, a light emitting layer, a first layer, a second layer contiguous to the first layer, and a cathode, in that order. The first layer includes a first complex comprising gallium and the second layer includes a second complex also comprising gallium and wherein the second complex has a more negative LUMO than the first complex. Such materials can provide an improvement in one or more of luminance, drive voltage, and stability.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: August 4, 2009
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., Michele L. Ricks