Patents by Inventor Cheol-Jae Park

Cheol-Jae Park 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: 11922871
    Abstract: An emissive display device includes a display area which includes a plurality of pixels, and a driver disposed at a side of the display area, where the driver includes at least two emission signal stages disposed in one row, and an input signal line connected to the emission signal stages, and the at least two emission signal stages are connected to the same input signal line.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hae Min Kim, Min Jae Jeong, Jang Mi Kang, Hyun Joon Kim, Jun Hyun Park, Cheol-Gon Lee
  • Patent number: 6839605
    Abstract: The present invention relates to an apparatus and method for diagnosing faults in hot strip finishing rolling, which diagnoses thickness faults in hot strip finishing rolling, using preset data and real-time data on rolling and control conditions, equation models representing control and physical phenomena and a database constructed based on operation experiences. The present invention comprises: a Supervisory Control Computer (SCC); an actually measured data collection unit; an exit side thickness gauge loaded-on determination unit; a part identification unit; an on-gauge ratio calculation unit; a primary fault determination unit; a secondary fault determination unit; and a confidence rate evaluation unit.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: January 4, 2005
    Assignees: Posco Co., Ltd., Toshiba Mitsubishi-Electric Industrial Systems Corporation
    Inventors: Cheol-Jae Park, Seong-Cheol Hong, Kwan-Soo Kim, Kyu-Bum Han, Young-Jun Jo, Seong-Gap Choi, Wakamiya Yoshinori, Nitta Isoko, Inami Haruki
  • Publication number: 20040153196
    Abstract: The present invention relates to an apparatus and method for diagnosing faults in hot strip finishing rolling, which diagnoses thickness faults in hot strip finishing rolling, using preset data and real-time data on rolling and control conditions, equation models representing control and physical phenomena and a database constructed based on operation experiences.
    Type: Application
    Filed: November 20, 2003
    Publication date: August 5, 2004
    Applicants: POSCO CO., LTD., TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Cheol-Jae Park, Seong-Cheol Hong, Kwan-Soo Kim, Kyu-Bum Han, Young-Jun Jo, Seong-Gap Choi, Wakamiya Yoshinori, Nitta Isoko, Inami Haruki