Patents by Inventor Sung-Eun Lee

Sung-Eun Lee 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: 11482871
    Abstract: Various embodiments of the present invention relate to an electronic device and a charging control method therefor. The electronic device may comprise: a connection terminal for performing wired communication with an external electronic device; and at least one processor functionally connected to the connection terminal, wherein the at least one processor detects connection of a charging device through the connection terminal, receives state information of at least one adjacent terminal located next to a power terminal of the connection terminal, and controls charging power to be supplied thereto through the charging device, on the basis of the received state information of the adjacent terminal. In addition, various other embodiments are possible.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: October 25, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Jin Park, Sung-Ha Park, Joon-Yung Park, Jung-Oh Sung, Dong-Rak Shin, Jae-Hyun Ahn, Sung-Eun Lee, Wooin Choi, Insun Choi, Jongik Won
  • Patent number: 11094764
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Eun Lee, Jin-Taek Kim, Ki-Wan Ahn, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
  • Patent number: 11041821
    Abstract: An electronic device and a method for sensing moisture in an electronic device are provided. The method for sensing moisture in an electronic device includes sensing moisture introduced into a connector of the electronic device in a state where one or more functions executable by connection of the connector with an external electronic device are activated. Further, the method includes deactivating the one or more functions based on the sensing; determining whether the introduced moisture is removed in a state where the one or more functions are deactivated; and activating the one or more functions if the moisture is removed.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: June 22, 2021
    Inventors: Kyoung-Won Kim, Sung-Eun Lee, Jae-Hyun Ahn, Je-Kook Kim, Joon-Yung Park, Kyung-Won Park, Jong-Ik Won, In-Geol Lee, Yu-Dong Bae, Dong-Rak Shin, Kang-Jun Ko, Kyoung-Hoon Kim, Min-Gi Kim, Sang-Il Park, Jeong-Hun Seo
  • Patent number: 10819138
    Abstract: A control method and/or an apparatus for an energy storage system having demand control and uninterrupted power supply (UPS) functions and an associated control system is provided. The control method for the energy storage system may include: an operation plan establishment step of predicting power to be consumed in a load, so as to estimate the capacity of energy (UPS capacity) which needs to be charged in the energy storage system in order to provide uninterrupted power supply when a power failure occurs, and the capacity of energy available for demand control; an energy storage system operation step of operating the energy storage system according to an operation plan established in the operation plan establishment step; and a step of re-establishing an operation plan according to an operation state of the energy storage system operated by the energy storage system operation step.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: October 27, 2020
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Sung-Min Cho, Ji-Hoon Im, Sung-Eun Lee
  • Patent number: 10740226
    Abstract: A memory device is provided. The memory device includes a plurality of normal memory blocks; and at least two or more bad memory blocks, wherein data having the same number of bits as data to be stored in a normal memory block and a parity code having the number of bits at least twice greater than that of a parity code to be stored in the normal memory block are stored in a first bad memory block and a second bad memory block among the bad memory blocks.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: August 11, 2020
    Assignee: SK hynix Inc.
    Inventors: Sang-Gu Jo, Jung-Hyun Kwon, Sung-Eun Lee
  • Patent number: 10665275
    Abstract: A method for operating a memory device includes: receiving a write command; checking out whether a data strobe signal toggles or not after a given time passes from a moment when the write command is received; when the data strobe signal is checked out to be maintained at a uniform level, detecting voltage levels of a plurality of data pads; and performing an operation that is selected based on the voltage levels of the plurality of the data pads among a plurality of predetermined operations.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: May 26, 2020
    Assignee: SK hynix Inc.
    Inventors: Sang-Gu Jo, Sung-Eun Lee, Jung-Hyun Kwon
  • Patent number: 10656832
    Abstract: A memory system comprises a memory device including a plurality of memory blocks, a write operation check unit configured to count the number of write operations performed on the respective memory blocks, a write count distribution management module configured to manage a distribution of the memory blocks based on the counted number of the write operations, and a wear leveling module configured to detect hot and cold memory blocks from the plurality of memory blocks based on the counted number of the write operation and the distribution, wherein the wear leveling module manages a history of the hot memory block and swaps the hot memory block with the cold memory block according to the managed history.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: May 19, 2020
    Assignee: SK hynix Inc.
    Inventors: Jung-Hyun Kwon, Sung-Eun Lee, Sang-Gu Jo
  • Publication number: 20200153256
    Abstract: Various embodiments of the present invention relate to an electronic device and a charging control method therefor. The electronic device may comprise: a connection terminal for performing wired communication with an external electronic device; and at least one processor functionally connected to the connection terminal, wherein the at least one processor detects connection of a charging device through the connection terminal, receives state information of at least one adjacent terminal located next to a power terminal of the connection terminal, and controls charging power to be supplied thereto through the charging device, on the basis of the received state information of the adjacent terminal. In addition, various other embodiments are possible.
    Type: Application
    Filed: May 15, 2018
    Publication date: May 14, 2020
    Inventors: Young-Jin PARK, Sung-Ha PARK, Joon-Yung PARK, Jung-Oh SUNG, Dong-Rak SHIN, Jae-Hyun AHN, Sung-Eun LEE, Wooin CHOI, Insun CHOI, Jongik WON
  • Publication number: 20200144346
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Application
    Filed: January 3, 2020
    Publication date: May 7, 2020
    Inventors: Sung-Eun LEE, Jin-Taek KIM, Ki-Wan AHN, Joo-Sun YOON, Yong-Jae JANG, Kwang-Young CHOI
  • Patent number: 10614880
    Abstract: A memory system includes: a memory device; a cache memory suitable for caching a portion of a data stored in the memory device; and a read voltage controller suitable for controlling a level of a read voltage of the memory device by comparing a cache data in the cache memory with a data from the memory device corresponding to the cache data.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: April 7, 2020
    Assignee: SK hynix Inc.
    Inventors: Sang-Gu Jo, Jung-Hyun Kwon, Sung-Eun Lee, Yong-Ju Kim
  • Patent number: 10553661
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Eun Lee, Jin-Taek Kim, Ki-Wan Ahn, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
  • Publication number: 20200005842
    Abstract: A method for operating a memory device includes: receiving a write command; checking out whether a data strobe signal toggles or not after a given time passes from a moment when the write command is received; when the data strobe signal is checked out to be maintained at a uniform level, detecting voltage levels of a plurality of data pads; and performing an operation that is selected based on the voltage levels of the plurality of the data pads among a plurality of predetermined operations.
    Type: Application
    Filed: September 11, 2019
    Publication date: January 2, 2020
    Inventors: Sang-Gu JO, Sung-Eun LEE, Jung-Hyun KWON
  • Patent number: 10515675
    Abstract: A method for operating a memory device includes: receiving a write command; checking out whether a data strobe signal toggles or not after a given time passes from a moment when the write command is received; when the data strobe signal is checked out to be maintained at a uniform level, detecting voltage levels of a plurality of data pads; and performing an operation that is selected based on the voltage levels of the plurality of the data pads among a plurality of predetermined operations.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: December 24, 2019
    Assignee: SK hynix Inc.
    Inventors: Sang-Gu Jo, Sung-Eun Lee, Jung-Hyun Kwon
  • Patent number: 10474376
    Abstract: An operating method of a memory controller may include determining a physical page to be accessed in a plurality of memory devices by mapping a logical address to a physical address; and determining a distribution pattern in which data of the physical page are distributed to the plurality of memory devices using the logical address.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: November 12, 2019
    Assignee: SK hynix Inc.
    Inventors: Jing-Zhe Xu, Jung-Hyun Kwon, Sung-Eun Lee, Jae-Sun Lee, Sang-Gu Jo
  • Patent number: 10467091
    Abstract: An error correcting method of a memory system includes: reading read data and an error correction code from a plurality of memory chips; correcting an error of the read data using the error correction code; temporarily storing the read data and the error correction code in a buffer when the correcting of the error fails; writing a certain input test pattern in the plurality of memory chips, reading an output test pattern written in the plurality of memory chips, and detecting a fail chip in which a chipkill occurs; recorrecting, based on a location of the detected fail chip, the error of the read data stored in the buffer using the error correction code stored in the buffer; and rewriting error-corrected read data and the error correction code in the plurality of memory chips.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: November 5, 2019
    Assignee: SK hynix Inc.
    Inventors: Jong-Hyun Park, Sung-Eun Lee, Ja-Hyun Koo, Seung-Gyu Jeong
  • Publication number: 20190267809
    Abstract: A control method and/or an apparatus for an energy storage system having demand control and uninterrupted power supply (UPS) functions and an associated control system is provided. The control method for the energy storage system may include: an operation plan establishment step of predicting power to be consumed in a load, so as to estimate the capacity of energy (UPS capacity) which needs to be charged in the energy storage system in order to provide uninterrupted power supply when a power failure occurs, and the capacity of energy available for demand control; an energy storage system operation step of operating the energy storage system according to an operation plan established in the operation plan establishment step; and a step of re-establishing an operation plan according to an operation state of the energy storage system operated by the energy storage system operation step.
    Type: Application
    Filed: November 14, 2016
    Publication date: August 29, 2019
    Inventors: Sung-Min CHO, Ji-Hoon IM, Sung-Eun LEE
  • Patent number: 10359950
    Abstract: A memory device may include a memory cell array having a plurality of memory cells, and a controller suitable for reading data of a memory cell corresponding to an address of write data, among the memory cells, and comparing the write data and the read data to check specific bits different from corresponding bits of the read data, among a plurality of bits of the write data, according to a write operation request. The controller may output a check result to outside after a preset time from the write operation request.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: July 23, 2019
    Assignee: SK hynix Inc.
    Inventors: Jung-Hyun Kwon, Sang-Gu Jo, Sung-Eun Lee
  • Patent number: 10353770
    Abstract: An error correcting method of a memory system includes: reading data and an error correction code from a plurality of memory chips; correcting an error of the data based on the error correction code; determining whether or not a miscorrection occurs in the correcting of the error of the data; designating one memory chip among the plurality of the memory chips as a chip-killed memory chip when a miscorrection occurs; re-correcting the error of the data based on the error correction code in consideration of the designated chip-killed memory chip; and re-determining whether a miscorrection occurs in the re-correcting of the error of the data.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: July 16, 2019
    Assignee: SK hynix Inc.
    Inventors: Sung-Eun Lee, Jung-Hyun Kwon, Sang-Gu Jo
  • Patent number: 10191807
    Abstract: The memory system includes a BCH error correction circuit suitable for generating a BCH error correction code using a first write data which is a portion of a write data from a host, a Hamming error correction circuit suitable for generating a Hamming error correction code using a second write data which is a remaining portion of the write data, a plurality of first memory devices suitable for storing first write data and the BCH error correction code, and one or more second memory devices suitable for storing the second write data and the Hamming error correction code.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: January 29, 2019
    Assignee: SK hynix Inc.
    Inventors: Sung-Eun Lee, Jung-Hyun Kwon, Sang-Gu Jo
  • Publication number: 20180284047
    Abstract: Disclosed is an electronic device including a display; a connector; and a processor configured to sense moisture introduced into the connector in a state where one or more functions executable by connection of the connector with an external electronic device are activated; deactivate the one or more functions based on the sensing; determine whether the introduced moisture is removed in a state where the one or more functions are deactivated; and activate the one or more functions if the moisture is removed.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 4, 2018
    Inventors: Kyoung-Won KIM, Sung-Eun Lee, Jae-Hyun Ahn, Je-Kook Kim, Joon-Yung Park, Kyung-Won Park, Jong-lk Won, In-Geol Lee, Yu-Dong Bae, Dong-Rak Shin, Kang-Jun Ko, Kyoung-Hoon Kim, Min-Gi Kim, Sang-ll Park, Jeong-Hun Seo