Patents by Inventor Chang Yoon Park

Chang Yoon 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: 9864412
    Abstract: A flexible display apparatus includes a frame module having a sliding path to guide the winding or unwinding of a flexible display module, and a sliding shaft configured to slide along a spiral sliding path via vertical movement of the flexible display module. The flexible display apparatus makes it easy to wind or unwind a large flexible display panel.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: January 9, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sang Dae Park, Choun Sung Kang, Yong Seok Lee, Chang Yoon Park
  • Patent number: 9756757
    Abstract: A flexible display apparatus has a small thickness which makes it easy to wind or unwind a flexible display module. The flexible display apparatus includes a frame module, into or from which a flexible display module is wound or unwound, and a panel elevating module configured to vertically move the flexible display module via folding or unfolding of at least one retractable unit. The retractable unit includes joint members provided at ends of first and second links intersecting each other, and elastic members installed to the respective joint members and supported by the ends of the first and second links.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: September 5, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Chang Yoon Park, Choun Sung Kang, Yong Seok Lee, Sang Dae Park
  • Publication number: 20160374228
    Abstract: A flexible display apparatus has a small thickness which makes it easy to wind or unwind a flexible display module. The flexible display apparatus includes a frame module, into or from which a flexible display module is wound or unwound, and a panel elevating module configured to vertically move the flexible display module via folding or unfolding of at least one retractable unit. The retractable unit includes joint members provided at ends of first and second links intersecting each other, and elastic members installed to the respective joint members and supported by the ends of the first and second links.
    Type: Application
    Filed: December 28, 2015
    Publication date: December 22, 2016
    Applicant: LG Display Co., Ltd.
    Inventors: Chang Yoon Park, Choun Sung Kang, Yong Seok LEE, Sang Dae Park
  • Publication number: 20160363960
    Abstract: A flexible display apparatus includes a frame module having a sliding path to guide the winding or unwinding of a flexible display module, and a sliding shaft configured to slide along a spiral sliding path via vertical movement of the flexible display module. The flexible display apparatus makes it easy to wind or unwind a large flexible display panel.
    Type: Application
    Filed: December 28, 2015
    Publication date: December 15, 2016
    Applicant: LG Display Co., Ltd.
    Inventors: Sang Dae Park, Choun Sung Kang, Yong Seok Lee, Chang Yoon Park