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).

  • Quantum dot LED package and quantum dot LED module including the same
    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
  • QUANTUM DOT LED PACKAGE AND QUANTUM DOT LED MODULE INCLUDING THE SAME
    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
  • LIGHT EMITTING DEVICE PACKAGE AND MANUFACTURING METHOD THEREOF
    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