Patents by Inventor Youseob Lim

Youseob Lim 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).

  • Flexible display apparatus having roller that rotates by unfolding operation-force of user
    Patent number: 9829925
    Abstract: The present invention relates to a rollable flexible display apparatus to which an operation-force conversion apparatus is applied, wherein the operation-force conversion apparatus converts an unfolding or a folding operation-force linearly applied by a user to a housing of the rollable flexible display apparatus without the application of a motor or a spring into a rotation force with which a roller can rotate using the screw thread principle through an internal mechanical component, and conveys the converted rotational force to the roller.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: November 28, 2017
    Inventor: Youseob Lim
  • FLEXIBLE DISPLAY APPARATUS HAVING ROLLER THAT ROTATES BY UNFOLDING OPERATION-FORCE OF USER
    Publication number: 20170064847
    Abstract: The present invention relates to a rollable flexible display apparatus to which an operation-force conversion apparatus is applied, wherein the operation-force conversion apparatus converts an unfolding or a folding operation-force linearly applied by a user to a housing of the rollable flexible display apparatus without the application of a motor or a spring into a rotation force with which a roller can rotate using the screw thread principle through an internal mechanical component, and conveys the converted rotational force to the roller.
    Type: Application
    Filed: May 21, 2014
    Publication date: March 2, 2017
    Inventor: Youseob Lim