Patents by Inventor Dae Hwan YUN

Dae Hwan YUN 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).

  • Semiconductor memory device and method of operating the same
    Patent number: 10600486
    Abstract: Provided herein may be a semiconductor memory device. The semiconductor memory device may include: a memory cell array including a plurality of memory blocks; a peripheral circuit configured to apply an erase voltage to a source line and a plurality of select lines of a selected memory block among the plurality of memory blocks during an erase operation; and a control logic configured to control the peripheral circuit to form a trap in an area below at least one of a plurality of source select transistors included in the selected memory block, before the erase voltage is applied to the selected memory block.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: March 24, 2020
    Assignee: SK hynix Inc
    Inventors: Dae Hwan Yun, Myeong Won Lee
  • SEMICONDUCTOR MEMORY DEVICE AND METHOD OF OPERATING THE SAME
    Publication number: 20180294034
    Abstract: Provided herein may be a semiconductor memory device. The semiconductor memory device may include: a memory cell array including a plurality of memory blocks; a peripheral circuit configured to apply an erase voltage to a source line and a plurality of select lines of a selected memory block among the plurality of memory blocks during an erase operation; and a control logic configured to control the peripheral circuit to form a trap in an area below at least one of a plurality of source select transistors included in the selected memory block, before the erase voltage is applied to the selected memory block.
    Type: Application
    Filed: October 31, 2017
    Publication date: October 11, 2018
    Inventors: Dae Hwan YUN, Myeong Won LEE