Patents by Inventor Dong Hwa Yoo

Dong Hwa 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).

  • LIGHT-EMITTING ELEMENT, METHOD OF FORMING THE LIGHT-EMITTING ELEMENT, AND DISPLAY DEVICE
    Publication number: 20240170614
    Abstract: A light-emitting element comprises a first semiconductor layer, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer, an electrode layer provided on the second semiconductor layer, and an insulating film around outer peripheral surfaces of the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer, wherein the active layer includes a cover layer including a plurality of quantum dots, and the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer are sequentially stacked in one direction to form a shape of a rod.
    Type: Application
    Filed: August 31, 2023
    Publication date: May 23, 2024
    Inventors: Mi Hyang SHEEN, Dong Uk KIM, Kwan Jae LEE, Bo Hwa KIM, Dong Youn YOO, Hyeong Su CHOI
  • Method for controlling hand off of mobile terminal in code division multiple access mobile communication system
    Patent number: 6085091
    Abstract: The present invention relates a method for controlling hand off of a mobile terminal in CDMA mobile communication system which controls hand off of a mobile terminal by dividing the mobile terminals into mobile terminals of high mobile speed and mobile terminals of low mobile speed in CDMA mobile communication system.
    Type: Grant
    Filed: April 21, 1998
    Date of Patent: July 4, 2000
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong Hwa Yoo, Go Whan Jin, Moo Ho Cho, Cheol Hye Cho