Patents by Inventor Byong Joo LEE

Byong Joo LEE 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).

  • Manufacturing method of LED display
    Patent number: 11942352
    Abstract: A manufacturing method of an LED display is disclosed. The method includes picking up a plurality of LED chips spaced apart at a first interval with a stretchable stamp, spacing apart the plurality of LED chips at a second interval by stretching the stretchable stamp, and transferring the plurality of LED chips to a target substrate.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: March 26, 2024
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Dahl Young Khang, Byong Joo Lee
  • MANUFACTURING METHOD OF LED DISPLAY
    Publication number: 20220068693
    Abstract: A manufacturing method of an LED display is disclosed. The method includes picking up a plurality of LED chips spaced apart at a first interval with a stretchable stamp, spacing apart the plurality of LED chips at a second interval by stretching the stretchable stamp, and transferring the plurality of LED chips to a target substrate.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 3, 2022
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Dahl Young KHANG, Byong Joo LEE