Patents by Inventor Woo Lah

Woo Lah 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 film
    Publication number: 20060262667
    Abstract: An optical film includes a first refraction layer having a first surface with first optical lens patterns for scattering light and a second surface opposite to the first surface, the first optical lens patterns having a lens shape, and a second refraction layer on the first surface and having second optical patterns for redirecting light in a first direction that is perpendicular to the second surface of the first refraction layer, the second optical patterns being linearly arranged.
    Type: Application
    Filed: July 26, 2006
    Publication date: November 23, 2006
    Applicant: LGS Corporation Ltd.
    Inventors: Woo Lah, Yongsig Shim