Patents by Inventor Dong Jae JUNG

Dong Jae JUNG 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: 12293089
    Abstract: A semiconductor memory device, and a method of operating the same, includes a memory block including a plurality of pages, a read and write circuit configured to apply a first bit line voltage to a selected bit line corresponding to a selected memory cell and apply a second bit line voltage having a potential lower than that of the first bit line voltage to an unselected bit line during detrap operation, a voltage generation circuit configured to generate a first set voltage, a second set voltage, and a pass voltage during the detrap operation, and an address decoder configured to apply the first set voltage to a selected word line corresponding to the selected page and apply the second set voltage having a potential higher than that of the first set voltage to unselected word lines, during the detrap operation.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: May 6, 2025
    Assignee: SK hynix Inc.
    Inventors: Dong Jae Jung, Jae Woong Kim, Shin Won Seo
  • Publication number: 20250014669
    Abstract: The present technology includes a memory device, a memory system including the memory device, and a test operation of the memory device. The memory device includes a memory block connected to word lines and select lines, a bit line connected to the memory block, a voltage generator configured to generate a test voltage to be applied to a selected line among the word lines and the select lines, a page buffer configured to sense a voltage of the bit line to store and output test data, and a control logic circuit configured to determine whether a first defect exists in the memory block according to the test data.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 9, 2025
    Applicant: SK hynix Inc.
    Inventors: Jun Hyuk LEE, Deung Kak YOO, Dong Jae JUNG, Min Kyu LEE
  • Patent number: 12125550
    Abstract: The present technology includes a memory device, a memory system including the memory device, and a test operation of the memory device. The memory device includes a memory block connected to word lines and select lines, a bit line connected to the memory block, a voltage generator configured to generate a test voltage to be applied to a selected line among the word lines and the select lines, a page buffer configured to sense a voltage of the bit line to store and output test data, and a control logic circuit configured to determine whether a first defect exists in the memory block according to the test data.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 22, 2024
    Assignee: SK hynix Inc.
    Inventors: Jun Hyuk Lee, Deung Kak Yoo, Dong Jae Jung, Min Kyu Lee
  • Patent number: 12068033
    Abstract: Provided herein is a memory device that may include a plurality of memory cells coupled to a plurality of bit lines and a common source line. The memory device may also include a control circuit configured to control a peripheral circuit to perform a program operation that includes two or more program steps on selected memory cells of a selected word line. The peripheral circuit may be configured to perform a first program step of the two or more program steps on the selected memory cells, then perform a detrap operation that applies a detrap voltage to the plurality of bit lines and the common source line for a predefined time, and thereafter perform a second program step of the two or more program steps on the selected memory cells.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: August 20, 2024
    Assignee: SK hynix Inc.
    Inventors: Jae Woong Kim, Shin Won Seo, Dong Jae Jung
  • Patent number: 11908527
    Abstract: The present technology relates to an electronic device. According to the present technology, a memory device may include memory cells respectively connected to a plurality of word lines, a peripheral circuit configured to perform a read operation of reading data stored in selected memory cells connected to a selected word line among the memory cells, and a read operation controller configured to control the peripheral circuit to apply a pass voltage to adjacent word lines adjacent to the selected word line during the read operation, discharge the pass voltage to a target pass voltage less than the pass voltage after a predetermined time elapses, and obtain data stored in the selected memory cells through bit lines connected to the selected memory cells after a target read time elapses, after a voltage applied to the adjacent word lines is discharged to the target pass voltage.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: February 20, 2024
    Assignee: SK hynix Inc.
    Inventors: Dong Jae Jung, Sung Won Bae
  • Publication number: 20240004558
    Abstract: A semiconductor memory device, and a method of operating the same, includes a memory block including a plurality of pages, a read and write circuit configured to apply a first bit line voltage to a selected bit line corresponding to a selected memory cell and apply a second bit line voltage having a potential lower than that of the first bit line voltage to an unselected bit line during detrap operation, a voltage generation circuit configured to generate a first set voltage, a second set voltage, and a pass voltage during the detrap operation, and an address decoder configured to apply the first set voltage to a selected word line corresponding to the selected page and apply the second set voltage having a potential higher than that of the first set voltage to unselected word lines, during the detrap operation.
    Type: Application
    Filed: December 8, 2022
    Publication date: January 4, 2024
    Applicant: SK hynix Inc.
    Inventors: Dong Jae JUNG, Jae Woong KIM, Shin Won SEO
  • Publication number: 20230253050
    Abstract: Provided herein is a memory device that may include a plurality of memory cells coupled to a plurality of bit lines and a common source line. The memory device may also include a control circuit configured to control a peripheral circuit to perform a program operation that includes two or more program steps on selected memory cells of a selected word line. The peripheral circuit may be configured to perform a first program step of the two or more program steps on the selected memory cells, then perform a detrap operation that applies a detrap voltage to the plurality of bit lines and the common source line for a predefined time, and thereafter perform a second program step of the two or more program steps on the selected memory cells.
    Type: Application
    Filed: July 21, 2022
    Publication date: August 10, 2023
    Applicant: SK hynix Inc.
    Inventors: Jae Woong KIM, Shin Won SEO, Dong Jae JUNG
  • Publication number: 20230085319
    Abstract: The present technology relates to an electronic device. According to the present technology, a memory device may include memory cells respectively connected to a plurality of word lines, a peripheral circuit configured to perform a read operation of reading data stored in selected memory cells connected to a selected word line among the memory cells, and a read operation controller configured to control the peripheral circuit to apply a pass voltage to adjacent word lines adjacent to the selected word line during the read operation, discharge the pass voltage to a target pass voltage less than the pass voltage after a predetermined time elapses, and obtain data stored in the selected memory cells through bit lines connected to the selected memory cells after a target read time elapses, after a voltage applied to the adjacent word lines is discharged to the target pass voltage.
    Type: Application
    Filed: February 28, 2022
    Publication date: March 16, 2023
    Applicant: SK hynix Inc.
    Inventors: Dong Jae JUNG, Sung Won BAE
  • Publication number: 20220336040
    Abstract: The present technology includes a memory device, a memory system including the memory device, and a test operation of the memory device. The memory device includes a memory block connected to word lines and select lines, a bit line connected to the memory block, a voltage generator configured to generate a test voltage to be applied to a selected line among the word lines and the select lines, a page buffer configured to sense a voltage of the bit line to store and output test data, and a control logic circuit configured to determine whether a first defect exists in the memory block according to the test data.
    Type: Application
    Filed: October 15, 2021
    Publication date: October 20, 2022
    Applicant: SK hynix Inc.
    Inventors: Jun Hyuk LEE, Deung Kak YOO, Dong Jae JUNG, Min Kyu LEE
  • Patent number: 11114172
    Abstract: Provided herein may be a memory system and a method of operating the same. The memory system may include a memory device including super blocks, each of the super blocks including a plurality of memory blocks, and a controller configured to control the memory device so that a program operation is performed on a selected memory block within any one of the super blocks based on a request from a host, wherein, when a program fail occurs during the program operation that is performed on the selected memory block of the selected super block, the controller is configured to control the memory device so that a test read operation is performed on remaining memory blocks, besides the selected memory block, of the selected super block.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: September 7, 2021
    Assignee: SK hynix Inc.
    Inventors: Sung Won Bae, Dong Jae Jung
  • Publication number: 20210241840
    Abstract: Provided herein may be a memory system and a method of operating the same. The memory system may include a memory device including super blocks, each of the super blocks including a plurality of memory blocks, and a controller configured to control the memory device so that a program operation is performed on a selected memory block within any one of the super blocks based on a request from a host, wherein, when a program fail occurs during the program operation that is performed on the selected memory block of the selected super block, the controller is configured to control the memory device so that a test read operation is performed on remaining memory blocks, besides the selected memory block, of the selected super block.
    Type: Application
    Filed: July 16, 2020
    Publication date: August 5, 2021
    Applicant: SK hynix Inc.
    Inventors: Sung Won BAE, Dong Jae JUNG
  • Patent number: 10559363
    Abstract: The semiconductor memory device may include a memory cell array and a peripheral circuit. The memory cell array may include a plurality of memory blocks. The peripheral circuit may perform a multi-page read operation on a selected memory block among the plurality of memory blocks. The peripheral circuit may select a first word line and a second word line, which are coupled to the selected memory block, and perform the multi-page read operation on the first and second word lines.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: February 11, 2020
    Assignee: SK hynix Inc.
    Inventors: Dong Jae Jung, Sung Won Bae, Min Kyu Lee
  • Publication number: 20190267098
    Abstract: The semiconductor memory device may include a memory cell array and a peripheral circuit. The memory cell array may include a plurality of memory blocks. The peripheral circuit may perform a multi-page read operation on a selected memory block among the plurality of memory blocks. The peripheral circuit may select a first word line and a second word line, which are coupled to the selected memory block, and perform the multi-page read operation on the first and second word lines.
    Type: Application
    Filed: October 8, 2018
    Publication date: August 29, 2019
    Applicant: SK hynix Inc.
    Inventors: Dong Jae JUNG, Sung Won BAE, Min Kyu LEE