Patents by Inventor Tieying Ding

Tieying Ding 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).

  • Rotatable projection lens for rear-projection applications
    Publication number: 20070081131
    Abstract: An optical system for a projection display device includes a first lens group having a first optic axis and a second lens group having a second optic axis, wherein the second lens group is adapted to rotate about the first optic axis. Alternatively, the optical system includes a first optic axis, and a lens group having a second optic axis, wherein the lens group is adapted to rotate about the first optic axis.
    Type: Application
    Filed: December 13, 2004
    Publication date: April 12, 2007
    Applicant: Koninklijke Philips Electronics, N.V.
    Inventors: Antonius Van Der Palen, Tieying Ding