Patents by Inventor Won Keun Yoo

Won Keun Yoo 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: 20240136970
    Abstract: An energy harvesting system and an indicator using same are disclosed. The disclosed indicator using an energy harvester comprises: an energy harvesting unit including at least one solar cell; a panel unit, which is arranged to face the energy harvesting unit, transmits sunlight and displays guide information; and a light-emitting unit for emitting light at the side surface of the panel unit.
    Type: Application
    Filed: January 26, 2022
    Publication date: April 25, 2024
    Inventors: Moses SUNG, Won Keun YOO
  • Publication number: 20140272406
    Abstract: The invention relates to protection film for a display and its manufacturing method to protect a display by mounting on the front surface of a display, and protection film for a display of the invention comprises tempered glass film(110), wherein the one side of flat surface is coated with antifoulant coating layer(111); anti-spattering layer(120) which is optically transparent and bonded to the underneath of the said tempered glass film(110) by first optical adhesive layer(121); and the second optical adhesive layer(122) which can be bonded to the surface of a display(1) by being bonded to the underneath of the anti-spattering layer(120), and forms functional thin layer with functionality on the bottom surface of tempered glass film or anti-spattering film, provides protection film of highly transparent thin layer by complete attachment between each film unit, wherein no air space occurs, prevents error of optical sensor and decrease of touch sensitivity in electronic equipment with touch input means, especi
    Type: Application
    Filed: October 19, 2012
    Publication date: September 18, 2014
    Applicants: SEJONG ADVANCED TECHNOLOGY CO., LTD.
    Inventors: Won Keun Yoo, Hyun Dong Kim, Sung Ho Park