Patents by Inventor Hyeok Jun CHOI

Hyeok Jun 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: 12057194
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: August 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun Choi, Young Chul Cho, Seung Jin Park, Jae Woo Park, Young Don Choi, Jung Hwan Choi
  • Publication number: 20240194267
    Abstract: Provided herein is a memory device for performing a program operation on memory cells. The memory device include a plurality of memory cells configured to store data, a voltage generator configured to apply program voltages to a word line coupled to the plurality of memory cells during a program operation in which the plurality of memory cells are programmed to a plurality of program states, a cell speed determiner configured to determine a program speed of the plurality of memory cells depending on a number of pulses for the program voltages applied to the word line while the program operation is being performed, and a program manager configured to change a condition for remaining program operations depending on the program speed determined by the cell speed determiner.
    Type: Application
    Filed: February 21, 2024
    Publication date: June 13, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyeok Jun CHOI, Hee Sik PARK, Seung Geun JEONG
  • Patent number: 11942156
    Abstract: Provided herein is a memory device for performing a program operation on memory cells. The memory device include a plurality of memory cells configured to store data, a voltage generator configured to apply program voltages to a word line coupled to the plurality of memory cells during a program operation in which the plurality of memory cells are programmed to a plurality of program states, a cell speed determiner configured to determine a program speed of the plurality of memory cells depending on a number of pulses for the program voltages applied to the word line while the program operation is being performed, and a program manager configured to change a condition for remaining program operations depending on the program speed determined by the cell speed determiner.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: March 26, 2024
    Assignee: SK hynix Inc.
    Inventors: Hyeok Jun Choi, Hee Sik Park, Seung Geun Jeong
  • Publication number: 20230298645
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun CHOI, Young Chul CHO, Seung Jin PARK, Jae Woo PARK, Young Don CHOI, Jung Hwan CHOI
  • Patent number: 11682436
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: June 20, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun Choi, Young Chul Cho, Seung Jin Park, Jae Woo Park, Young Don Choi, Jung Hwan Choi
  • Publication number: 20220383954
    Abstract: Provided herein is a memory device for performing a program operation on memory cells. The memory device include a plurality of memory cells configured to store data, a voltage generator configured to apply program voltages to a word line coupled to the plurality of memory cells during a program operation in which the plurality of memory cells are programmed to a plurality of program states, a cell speed determiner configured to determine a program speed of the plurality of memory cells depending on a number of pulses for the program voltages applied to the word line while the program operation is being performed, and a program manager configured to change a condition for remaining program operations depending on the program speed determined by the cell speed determiner.
    Type: Application
    Filed: February 15, 2022
    Publication date: December 1, 2022
    Applicant: SK hynix Inc.
    Inventors: Hyeok Jun CHOI, Hee Sik PARK, Seung Geun JEONG
  • Publication number: 20220148634
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Application
    Filed: July 14, 2021
    Publication date: May 12, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun CHOI, Young Chul CHO, Seung Jin PARK, Jae Woo PARK, Young Don CHOI, Jung Hwan CHOI
  • Patent number: 11004864
    Abstract: A semiconductor device includes a stack structure including alternately stacked interlayer insulating layers and electrode patterns. The semiconductor device also includes a plurality of contact plugs connected to the electrode patterns. The semiconductor device further includes a supporting structure penetrating the stack structure between two adjacent contact plugs of the plurality of contact plugs, wherein the supporting structure has a cross section extending in a zigzag shape.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 11, 2021
    Assignee: SK hynix Inc.
    Inventors: Hyeok Jun Choi, Jun Yeong Hwang
  • Publication number: 20200258901
    Abstract: A semiconductor device includes a stack structure including alternately stacked interlayer insulating layers and electrode patterns. The semiconductor device also includes a plurality of contact plugs connected to the electrode patterns. The semiconductor device further includes a supporting structure penetrating the stack structure between two adjacent contact plugs of the plurality of contact plugs, wherein the supporting structure has a cross section extending in a zigzag shape.
    Type: Application
    Filed: September 4, 2019
    Publication date: August 13, 2020
    Applicant: SK hynix Inc.
    Inventors: Hyeok Jun CHOI, Jun Yeong HWANG