Patents by Inventor Choonggil LIM

Choonggil LIM 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).

  • Patent number: 11460725
    Abstract: An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu Wook Choi, Kwang-su Lee, Choonggil Lim, Haesung Kim, Jun Ho Jang, Sangkeun Lee
  • Publication number: 20200174291
    Abstract: An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Kyu Wook CHOI, Kwang-su LEE, Choonggil LIM, Haesung KIM, Jun Ho JANG, Sangkeun LEE