Patents by Inventor Yoonseong CHOI

Yoonseong CHOI 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: 11848049
    Abstract: A phase-change memory device and a dynamic resistance drift compensation method thereof are provided. The phase-change memory device includes a plurality of bit lines; a plurality of source lines crossing the plurality of bit lines; a plurality of memory cells at respective intersections between the plurality of bit lines and the plurality of source lines, the plurality of memory cells each including a phase-change layer; a current generator connected to the plurality of bit lines and configured to generate a set current to be supplied to each of the plurality of memory cells; and a control driver configured to control the current generator and the plurality of bit lines to supply the set current to each of the plurality of memory cells.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: December 19, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yunheub Song, Yoonseong Choi
  • Publication number: 20220336014
    Abstract: A phase-change memory device and a dynamic resistance drift compensation method thereof are provided. The phase-change memory device includes a plurality of bit lines; a plurality of source lines crossing the plurality of bit lines; a plurality of memory cells at respective intersections between the plurality of bit lines and the plurality of source lines, the plurality of memory cells each including a phase-change layer; a current generator connected to the plurality of bit lines and configured to generate a set current to be supplied to each of the plurality of memory cells; and a control driver configured to control the current generator and the plurality of bit lines to supply the set current to each of the plurality of memory cells.
    Type: Application
    Filed: July 5, 2022
    Publication date: October 20, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yunheub SONG, Yoonseong CHOI
  • Patent number: 11410722
    Abstract: A phase-change memory device and a dynamic resistance drift compensation method thereof are provided. The phase-change memory device includes a plurality of bit lines; a plurality of source lines crossing the plurality of bit lines; a plurality of memory cells at respective intersections between the plurality of bit lines and the plurality of source lines, the plurality of memory cells each including a phase-change layer; a current generator connected to the plurality of bit lines and configured to generate a set current to be supplied to each of the plurality of memory cells; and a control driver configured to control the current generator and the plurality of bit lines to supply the set current to each of the plurality of memory cells.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: August 9, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yunheub Song, Yoonseong Choi
  • Publication number: 20220122661
    Abstract: A phase-change memory device and a dynamic resistance drift compensation method thereof are provided. The phase-change memory device includes a plurality of bit lines; a plurality of source lines crossing the plurality of bit lines; a plurality of memory cells at respective intersections between the plurality of bit lines and the plurality of source lines, the plurality of memory cells each including a phase-change layer; a current generator connected to the plurality of bit lines and configured to generate a set current to be supplied to each of the plurality of memory cells; and a control driver configured to control the current generator and the plurality of bit lines to supply the set current to each of the plurality of memory cells.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 21, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yunheub SONG, Yoonseong CHOI