Patents by Inventor Changwoo Won

Changwoo Won 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: 11182037
    Abstract: A display device includes a substrate including a display area, a peripheral area outside the display area, and a pad area within the peripheral area; a testing circuit unit disposed within the pad area; a cover layer covering the testing circuit unit; an output pad disposed within the pad area and arranged between the testing circuit unit and the display area; an input pad disposed within the pad area, disposed at an opposite side with respect to the plurality of output pads; and a protective layer covering the output pad and the input pad, and, on a plane, an end of the protective layer is apart from the cover layer.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: November 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunbyul Kim, Myonghoon Roh, Boyoul Shim, Changwoo Won, Seungjin Lim
  • Publication number: 20200393937
    Abstract: A display device includes a substrate including a display area, a peripheral area outside the display area, and a pad area within the peripheral area; a testing circuit unit disposed within the pad area; a cover layer covering the testing circuit unit; an output pad disposed within the pad area and arranged between the testing circuit unit and the display area; an input pad disposed within the pad area, disposed at an opposite side with respect to the plurality of output pads; and a protective layer covering the output pad and the input pad, and, on a plane, an end of the protective layer is apart from the cover layer.
    Type: Application
    Filed: March 17, 2020
    Publication date: December 17, 2020
    Inventors: Eunbyul Kim, Myonghoon Roh, Boyoul Shim, Changwoo Won, Seungjin Lim