Patents by Inventor Daehee Won

Daehee Won 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).

  • QUANTUM DOT AND LIGHT EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20240097068
    Abstract: A quantum dot of a light emitting device, includes: a core; and a shell around the core and including halogen elements of at least one type, wherein a first number per unit volume of halogen elements in a first area of the shell, that includes an outer surface of the shell, is larger than a second number per unit volume of halogen elements in a second area of the shell other than the outer surface of the shell.
    Type: Application
    Filed: September 11, 2023
    Publication date: March 21, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daehee LEE, Yuho WON, Wonsik YOON, Taehyung KIM
  • LOCALIZATION SYSTEM AND METHOD FOR MOBILE OBJECT USING WIRELESS COMMUNICATION
    Publication number: 20090265133
    Abstract: The present invention relates to a localization system and method for a mobile object. An object of the present invention is to provide a localization system and method for a mobile object capable of obtaining precise stable position data against changes in light intensity and vibration of the mobile object and reducing operation loads of a control system disposed in the mobile object, as compared with a conventional case.
    Type: Application
    Filed: August 1, 2006
    Publication date: October 22, 2009
    Inventors: Moonhong Baek, Seungho Baek, Jaehan Park, Hogil Lee, Daehee Won, Keeyoung Park