Patents by Inventor Kyoung-Han KWON

Kyoung-Han KWON 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).

  • Publication number: 20240088432
    Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 14, 2024
    Inventors: Kyu Ju Kwak, Won Keun Kim, Eun Ji Kwon, Samuel Seo, Yeon Jong Oh, Kyoung Han Ryu, Dong Hyun Lee, Han Su Kim, Ji Whan Lee, Seong Hoon Choi, Seung Do Mun
  • Patent number: 10504606
    Abstract: A memory device that supports a built-in self-test (BIST) operation includes: a plurality of memory cells; a page buffer group including page buffer circuits respectively coupled to the plurality of memory cells through bit lines; a built-in self-test (BIST) controller configured to generate pattern data to be stored in the page buffer circuits and reference data to be compared with sensed data obtained from the page buffer circuits, and to compare the reference data with the sensed data; and an input/output control circuit configured to input the pattern data to the page buffer circuits and to transfer the sensed data from the page buffer circuits to the BIST controller.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: December 10, 2019
    Assignee: SK hynix Inc.
    Inventors: Kyoung Han Kwon, Seung Wan Chai
  • Publication number: 20180374555
    Abstract: A memory device that supports a built-in self-test (BIST) operation includes: a plurality of memory cells; a page buffer group including page buffer circuits respectively coupled to the plurality of memory cells through bit lines; a built-in self-test (BIST) controller configured to generate pattern data to be stored in the page buffer circuits and reference data to be compared with sensed data obtained from the page buffer circuits, and to compare the reference data with the sensed data; and an input/output control circuit configured to input the pattern data to the page buffer circuits and to transfer the sensed data from the page buffer circuits to the BIST controller.
    Type: Application
    Filed: January 2, 2018
    Publication date: December 27, 2018
    Inventors: Kyoung Han KWON, Seung Wan CHAI
  • Patent number: 10068624
    Abstract: According to an embodiment, a storage device may be provided. The storage device may include a semiconductor memory device, and a memory controller configured for controlling the semiconductor memory device. The semiconductor memory device may include a memory unit including a plurality of memory chips. The semiconductor memory device may include an interface chip realigning serial data received from the memory controller into parallel data and transferring the parallel data to each of the plurality of memory chips.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 4, 2018
    Assignee: SK hynix Inc.
    Inventor: Kyoung Han Kwon
  • Publication number: 20180226108
    Abstract: According to an embodiment, a storage device may be provided. The storage device may include a semiconductor memory device, and a memory controller configured for controlling the semiconductor memory device. The semiconductor memory device may include a memory unit including a plurality of memory chips. The semiconductor memory device may include an interface chip realigning serial data received from the memory controller into parallel data and transferring the parallel data to each of the plurality of memory chips.
    Type: Application
    Filed: September 13, 2017
    Publication date: August 9, 2018
    Applicant: SK hynix Inc.
    Inventor: Kyoung Han KWON
  • Patent number: 9673758
    Abstract: A differential amplification circuit may include a differential amplification unit including a first input transistor and a second input transistor, and suitable for differentially amplifying input signals inputted through the first and second input transistors; a first input control section suitable for turning off the first input transistor when the differential amplification circuit is disabled and transferring a first input signal to the first input transistor when the differential amplification circuit is enabled; and a second input control section suitable for turning off the second input transistor when the differential amplification circuit is disabled and transferring a second input signal to the second input transistor when the differential amplification circuit is enabled.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: June 6, 2017
    Assignee: SK Hynix Inc.
    Inventor: Kyoung-Han Kwon
  • Patent number: 9621165
    Abstract: A transmitting/receiving system may include a transmitting circuit and a receiving circuit. The transmitting circuit may include: a pull-up element suitable for pull-up driving a first node in response to a signal; a pull-down element suitable for pull-down driving a second node in response to the signal; and a voltage tailor coupled between the first and second nodes, and transmitting a low-swing signal obtained by reducing the swing amplitude of the signal to a transmission line, and the receiving circuit may include: a reference voltage generator having a replica circuit of the receiving circuit and suitable for generating a reference voltage; and a differential amplifier suitable for differentially amplifying the reference voltage and the low-swing signal received through the transmission line.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: April 11, 2017
    Assignee: SK Hynix Inc.
    Inventor: Kyoung-Han Kwon
  • Patent number: 9543904
    Abstract: Disclosed are a differential amplifier circuit and a semiconductor memory device including the same, wherein the differential amplification circuit includes: a differential amplifier activated in response to an enable signal, capable of differentially amplifying input signals inputted through input terminals and outputting output signals; and an operation control section capable of sequentially applying signals having a voltage difference increasing in stepped fashion to the input terminals of the differential amplifier, measuring voltages of the output signals of the differential amplifier to detect an input offset, and adjusting an activation timing of the enable signal depending on a detected offset.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: January 10, 2017
    Assignee: SK Hynix Inc.
    Inventors: Han Qu, Kyoung-Han Kwon
  • Publication number: 20160373066
    Abstract: A differential amplification circuit may include a differential amplification unit including a first input transistor and a second input transistor, and suitable for differentially amplifying input signals inputted through the first and second input transistors; a first input control section suitable for turning off the first input transistor when the differential amplification circuit is disabled and transferring a first input signal to the first input transistor when the differential amplification circuit is enabled; and a second input control section suitable for turning off the second input transistor when the differential amplification circuit is disabled and transferring a second input signal to the second input transistor when the differential amplification circuit is enabled.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 22, 2016
    Inventor: Kyoung-Han KWON
  • Publication number: 20160329887
    Abstract: A transmitting/receiving system may include a transmitting circuit and a receiving circuit. The transmitting circuit may include: a pull-up element suitable for pull-up driving a first node in response to a signal; a pull-down element suitable for pull-down driving a second node in response to the signal; and a voltage tailor coupled between the first and second nodes, and transmitting a low-swing signal obtained by reducing the swing amplitude of the signal to a transmission line, and the receiving circuit may include: a reference voltage generator having a replica circuit of the receiving circuit and suitable for generating a reference voltage; and a differential amplifier suitable for differentially amplifying the reference voltage and the low-swing signal received through the transmission line.
    Type: Application
    Filed: November 12, 2015
    Publication date: November 10, 2016
    Inventor: Kyoung-Han KWON