Patents by Inventor Sunghwan YOO

Sunghwan 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: 20240106121
    Abstract: An electronic device includes a display layer in which an active region and a peripheral region proximate to the active region are defined and a controller that is configured to control the display layer. The display layer includes a plurality of pixels, a plurality of antenna patterns that transmit and receive a first signal having a predetermined frequency, and a switch connected to at least one of the plurality of antenna patterns. The controller provides, to the switch, a control signal to control the switch. The switch includes a first line to which a ground voltage is provided, a second line that is floated, a third line to which the first signal is provided, and a fourth line connected to the at least one of the plurality of antenna patterns and electrically connected to the first line, the second line, or the third line based on the control signal.
    Type: Application
    Filed: July 14, 2023
    Publication date: March 28, 2024
    Inventors: HYUN JAE LEE, Kiseo Kim, Sunghwan Kim, Youngsik Kim, Youngseok Yoo
  • Patent number: 11011689
    Abstract: A quantum dot LED package is disclosed. The quantum dot LED package includes: a heat dissipating reflector having a through cavity; a quantum dot plate accommodated in the upper portion of the through cavity; an LED chip accommodated in the lower portion of the through cavity and whose top surface is coupled to the lower surface of the quantum dot plate; electrode pads disposed on the lower surface of the LED chip and protruding more downward than the lower surface of the heat dissipating reflector; and a resin part formed in the through cavity to fix between the LED chip and the reflector and between the quantum dot plate and the reflector.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: May 18, 2021
    Assignee: LUMENS CO., LTD.
    Inventors: Sunghwan Yoo, Dohyoung Kang, Sungsik Jo
  • Publication number: 20200403133
    Abstract: A quantum dot LED package is disclosed. The quantum dot LED package includes: a heat dissipating reflector having a through cavity; a quantum dot plate accommodated in the upper portion of the through cavity; an LED chip accommodated in the lower portion of the through cavity and whose top surface is coupled to the lower surface of the quantum dot plate; electrode pads disposed on the lower surface of the LED chip and protruding more downward than the lower surface of the heat dissipating reflector; and a resin part formed in the through cavity to fix between the LED chip and the reflector and between the quantum dot plate and the reflector.
    Type: Application
    Filed: March 12, 2019
    Publication date: December 24, 2020
    Applicant: LUMENS CO., LTD.
    Inventors: Sunghwan YOO, Dohyoung KANG, Sungsik JO
  • Publication number: 20150194585
    Abstract: Provided are a light emitting device package usable as a display or lighting device, and a method of manufacturing the same.
    Type: Application
    Filed: December 30, 2014
    Publication date: July 9, 2015
    Inventors: Kyoungmin KIM, Yongwook CHO, Sunghwan YOO, Myeongkook GONG