Patents by Inventor Tom R. Greenwood

Tom R. Greenwood 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 engine with tightly coupled light source
    Patent number: 7437039
    Abstract: An image presentation device (100) with an associated optical light engine includes one or more semiconductor light emitting diodes or other such devices (122, 124, 126) that are combined to provide a source of light to a micro-display panel (150). Light integrators (128), preferably shaped to correspond to the shape of the light emitting devices, are located such that a portion of each terminal is positioned adjacent to or in direct contact with the light emitting surface of the semiconductor dies.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: October 14, 2008
    Assignee: Jabil Circuit, Inc.
    Inventors: Israel J. Morejon, Jinhui Zhai, Tom R. Greenwood, Mark A. Dickson