Patents by Inventor John Michael Lengyel

John Michael Lengyel 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).

  • LED light engine for backlighting a liquid crystal display
    Patent number: 7220040
    Abstract: An edge-lit backlighting system for liquid crystal displays employs a number of light strips in the form of thin, light weight sections of a thermally conductive substrate each of which mounts a plurality of light engines having an array of densely packed, primary color light emitting diodes, which, when collectively illuminated, produce a white light of desired reference white chromaticity.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: May 22, 2007
    Assignee: Harris Corporation
    Inventors: John Michael Lengyel, Jonathan Frank Holmes