Patents by Inventor Da Neung PARK

Da Neung PARK 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).

  • Publication number: 20230288750
    Abstract: A liquid crystal display apparatus includes: a liquid crystal panel; and a viewer-side polarizing plate stacked on a light exit surface of the liquid crystal panel, and the viewer-side polarizing plate includes a patterned layer including a first resin layer and a second resin layer having different indexes of refraction; and a patterned portion including multiple engraved optical patterns and a flat section between adjacent engraved optical patterns of the multiple optical patterns is formed at an interface between the first resin layer and the second resin layer, and the liquid crystal display apparatus satisfies Equation 1 herein and the engraved optical patterns have an aspect ratio of 0.3 or more.
    Type: Application
    Filed: March 9, 2023
    Publication date: September 14, 2023
    Inventors: Yong Un JUNG, Young Hyun JU, So Yeon GONG, Jin Woo KIM, Da Neung PARK, Young OH, Dong Ho WEE