Patents by Inventor Mark J. Shufelt

Mark J. Shufelt 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).

  • Spacers for maintaining display apparatus alignment
    Patent number: 7852546
    Abstract: The invention relates to methods and apparatus for forming a display apparatus. According to one aspect of the invention, the display apparatus includes a first substrate having an aperture layer formed thereon, a light guide for guiding light towards the aperture layer, a plurality of MEMS light modulators for modulating light passing through the aperture layer from the light guide, and a spacer substantially surrounding the light guide for keeping the light guide and the first substrate a predetermined distance apart from one another, thereby forming a gap between the first substrate and the light guide. Alternatively or in addition, the first substrate may have a control matrix formed thereon.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: December 14, 2010
    Assignee: Pixtronix, Inc.
    Inventors: John J. Fijol, Jignesh Gandhi, Mark J. Shufelt
  • Spacers for maintaining display apparatus alignment
    Publication number: 20090103164
    Abstract: The invention relates to methods and apparatus for forming a display apparatus. According to one aspect of the invention, the display apparatus includes a first substrate having an aperture layer formed thereon, a light guide for guiding light towards the aperture layer, a plurality of MEMS light modulators for modulating light passing through the aperture layer from the light guide, and a spacer substantially surrounding the light guide for keeping the light guide and the first substrate a predetermined distance apart from one another, thereby forming a gap between the first substrate and the light guide. Alternatively or in addition, the first substrate may have a control matrix formed thereon.
    Type: Application
    Filed: October 19, 2007
    Publication date: April 23, 2009
    Applicant: Pixtronix, Inc.
    Inventors: John J. Fijol, Jignesh Gandhi, Mark J. Shufelt