Patents by Inventor Su-Chang Kim

Su-Chang Kim 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: 20220293190
    Abstract: A non-volatile memory includes a memory cell region including an outer region proximate a first end of the memory cell region and an inner region separated from the first end by the outer region, first and second bit lines, an outer memory cell string including memory cells connected to an outer pillar extending vertically upward through the outer region, and an inner memory cell string including memory cells connected to an inner pillar extending vertically upward through the inner region, and a data input/output (I/O). The data I/O circuit includes a page buffer circuit that connects the first bit line during a first read operation directed to memory cells of the outer memory cell string, and connects the second bit line during a second read operation directed to memory cells of the inner memory cell string, and a read voltage determination unit that selects a first optimal read voltage used during the first read operation, and a second optimal read voltage used during the second read operation.
    Type: Application
    Filed: May 30, 2022
    Publication date: September 15, 2022
    Inventors: SU CHANG JEON, SEUNG BUM KIM, JI YOUNG LEE
  • Patent number: 11403177
    Abstract: A data processing system includes a host suitable for generating a plurality of write data grouped into transactions and a plurality of write commands including transaction information of each of the write data; and a memory system suitable for storing the write data in a normal region of a memory device in response to the write commands received from the host, and storing the transaction information included in each of the write commands in a spare region, which corresponds to the normal region, of the memory device.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: August 2, 2022
    Assignee: SK hynix Inc.
    Inventors: Hae-Gi Choi, Kyeong-Rho Kim, Su-Chang Kim, Sung-Kwan Hong
  • Publication number: 20220238905
    Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jae Min Yoo, Dal Mo Kang, Jeong Oh Moon, Jaeuk Ryu, Su Chang Kim, Ji Su Yoon
  • Patent number: 11393935
    Abstract: The present disclosure provides a phototransistor and a manufacturing method therefor, the phototransistor having a defective oxide ray absorption layer introduced to an oxide semiconductor phototransistor through a solution process or a defective oxide ray absorption part introduced to an interface between a gate insulation film and an oxide semiconductor layer through interface control, which forms damage, thereby improving light absorption in the range of a visible light region.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: July 19, 2022
    Assignees: LG DISPLAY CO., LTD., UIF (UNIVERSITY INDUSTRY FOUNDATION) YONSEI UNIVERSITY
    Inventors: Hyun Jae Kim, Young Jun Tak, Jusung Chung, Jeong Min Moon, Su Seok Choi, Sungpil Ryu, Jihwan Jung, Kiseok Chang
  • Patent number: 11380404
    Abstract: A non-volatile memory includes a memory cell region including an outer region proximate a first end of the memory cell region and an inner region separated from the first end by the outer region, first and second bit lines, an outer memory cell string including memory cells connected to an outer pillar extending vertically upward through the outer region, and an inner memory cell string including memory cells connected to an inner pillar extending vertically upward through the inner region, and a data input/output (I/O). The data I/O circuit includes a page buffer circuit that connects the first bit line during a first read operation directed to memory cells of the outer memory cell string, and connects the second bit line during a second read operation directed to memory cells of the inner memory cell string, and a read voltage determination unit that selects a first optimal read voltage used during the first read operation, and a second optimal read voltage used during the second read operation.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su Chang Jeon, Seung Bum Kim, Ji Young Lee
  • Patent number: 11372721
    Abstract: A data processing system includes a host suitable for generating a plurality of write data grouped into transactions and a plurality of write commands including transaction information of each of the write data; and a memory system suitable for storing the write data in a normal region of a memory device in response to the write commands received from the host, and storing the transaction information included in each of the write commands in a spare region, which corresponds to the normal region, of the memory device.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: June 28, 2022
    Assignee: SK hynix Inc.
    Inventors: Hae-Gi Choi, Kyeong-Rho Kim, Su-Chang Kim, Sung-Kwan Hong
  • Patent number: 11354241
    Abstract: A memory system may include a cache memory, a nonvolatile memory, a write back wait queue, and a controller. To evict an eviction cache entry including a target transaction ID from the memory cache to the nonvolatile memory, the controller performs write back operations on cache entries respectively corresponding to waiting entries at a head of the write back wait queue until a waiting entry including the target transaction ID arrives at the head of the write back wait queue, and then performs a write back operation on the eviction cache entry.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: June 7, 2022
    Assignee: SK hynix Inc.
    Inventors: Jae Yung Jun, Dong Kyun Kim, Su Chang Kim, Yun Keuk Kim
  • Patent number: 11342604
    Abstract: A battery module includes a plurality of can-type secondary batteries; a cooling tray formed in a container shape and having an accommodation space capable of accommodating the plurality of can-type secondary batteries; a heatsink having a hollow structure in which a coolant flows, the heatsink being disposed in contact with an outer surface of the cooling tray; and a thermally conductive adhesive solution filled in the accommodation space of the cooling tray, wherein the plurality of can-type secondary batteries are arranged such that a lower portion thereof is immersed in the thermally conductive adhesive solution.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 24, 2022
    Inventors: Jae-Min Yoo, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
  • Patent number: 11329308
    Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 10, 2022
    Inventors: Jae Min Yoo, Dal Mo Kang, Jeong Oh Moon, Jaeuk Ryu, Su Chang Kim, Ji Su Yoon
  • Publication number: 20220109194
    Abstract: A vehicle battery fire sensing apparatus and method includes a battery pack mounted to a vehicle structure and an electronic control unit. The battery pack includes a battery module including one or more battery cells, a battery management system configured to transmit a signal received from the battery module to the electronic control unit, and a battery pack case having a gas discharge portion configured to allow venting gas to be discharged therethrough. The vehicle battery fire sensing apparatus further includes a sensor provided at the vehicle structure, the sensor being configured to measure at least one of the temperature or pressure of the gas discharged from the gas discharge portion.
    Type: Application
    Filed: June 29, 2020
    Publication date: April 7, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Tae Hwan ROH, Hyung Jun AHN, Sung Gon KIM, Su Chang KIM, Hui Jeong LEE, Do Wung SON
  • Patent number: 11296390
    Abstract: A cylindrical battery cell including a first electrode terminal and a second electrode terminal having different polarities: an electrode assembly in which a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode are wound; a battery case configured to include the electrode assembly therein in a state of being impregnated with an electrolytic solution; a cap assembly mounted to a top end of the battery case; and a connection cap including a cap housing loaded on the battery case and the cap assembly and having an insulating material, and a first connection plate and a second connection plate placed on the cap housing and electrically connected to the first electrode terminal and the second electrode terminal, respectively.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: April 5, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Min Yoo, Ji-Su Yoon
  • Patent number: 11283118
    Abstract: A battery module includes a plurality of cylindrical battery cells and a first fixing frame configured to support the cylindrical battery cells so that the cylindrical battery cells are oriented vertically. The first fixing frame includes cell bottom holders provided at predetermined locations on a plate having a tray shape so that the cylindrical battery cells can be inserted therein in a vertical orientation; and perforation holes formed between the cell bottom holders so as to be open in a vertical direction, wherein the battery module comprises a thermally conductive adhesive solution introduced through the perforation holes from a lower portion of the first fixing frame to an upper portion thereof.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: March 22, 2022
    Inventors: Jae-Min Yoo, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
  • Patent number: 11264661
    Abstract: Disclosed is a battery cell, which includes: an electrode assembly; an electrode lead connected to the electrode assembly; a pouch case surrounding the electrode assembly and sealed in a state in which the electrode lead extends through the pouch case and is exposed at an outside surface of the pouch case; and a fire extinguishing unit disposed in the pouch case and configured to eject a fire extinguishing powder when a temperature of the first extinguishing unit is equal to or greater than a predetermined limit temperature.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: March 1, 2022
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu
  • Patent number: 11158895
    Abstract: Disclosed is a battery module, which includes: at least one battery cell having electrode leads protruding at first and second opposite sides thereof; and at least one cell case each covering the first and second sides and an upper side of a corresponding one of the at least one battery cell and each including a pair of bus bars each having one end connected to a corresponding one of the electrode leads and another end exposed at an upper side of the cell case.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: October 26, 2021
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ho-June Chi
  • Publication number: 20210311872
    Abstract: A memory system may include a cache memory, a nonvolatile memory, a write back wait queue, and a controller. To evict an eviction cache entry including a target transaction ID from the memory cache to the nonvolatile memory, the controller performs write back operations on cache entries respectively corresponding to waiting entries at a head of the write back wait queue until a waiting entry including the target transaction ID arrives at the head of the write back wait queue, and then performs a write back operation on the eviction cache entry.
    Type: Application
    Filed: August 27, 2020
    Publication date: October 7, 2021
    Inventors: Jae Yung JUN, Dong Kyun KIM, Su Chang KIM, Yun Keuk KIM
  • Patent number: 11139543
    Abstract: A bus bar capable of effectively securing safety of a battery module when an overcurrent is generated includes: a main body portion that includes a first metal, has a stepped structure, in which an outer surface of the main body portion in an outward direction of the battery module is recessed in an inward direction, formed in one region, and is configured to be electrically connected to at least one secondary battery; a current breaking portion that is inserted into a space formed by the stepped structure and includes a second metal having a melting point relatively lower than a melting point of the first metal; and a covering member configured to surround at least a part of an outer surface of the current breaking portion. A battery module including the bus bar is also provided.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: October 5, 2021
    Inventors: Jae-Min Yoo, Min-Ho Kwon, Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Patent number: 11139529
    Abstract: A cylindrical battery cell assembly which includes a plurality of cylindrical battery cells arranged so that the cylindrical battery cells having the same polarity face in the same direction, a cell holder configured to confine the cylindrical battery cells as a bundle unit, a first electrode connection member located at an upper portion of the cell holder and a second electrode connection member located at the bottom ends of the cylindrical battery cells. The second electrode connection member includes a second connection portion located at a lower portion of the cell holder and disposed to contact the second electrode terminals. A rod-shaped second terminal portion extends vertically from the second connection portion through an empty space formed inside the cell holder so that one end of the rod-shaped second terminal portion is disposed above the cell holder.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 5, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ji-Su Yoon, Su-Chang Kim, Jae-Min Yoo, Jae-Uk Ryu, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10998597
    Abstract: A battery module includes a pair of battery cells, each battery cell having an electrode lead, and the battery cells being stacked to face each other; a connector configured to connect the electrode leads of battery cells; and a connector breaking device disposed in a space formed between terrace portions of the battery cells and configured to be operated with a pressure applied to the connector breaking device due to swelling of at least one of the battery cells to cut off an electric connection between the connector and the electrode leads is provided. A method to interrupt an electrical connection in a battery module is also provided.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Patent number: 10992011
    Abstract: A battery module includes plurality of battery cells, a cell housing configured to accommodate the plurality of battery cells and a cover housing configured to cover an upper side of the cell housing. The cover housing includes an upper cover configured to form an upper portion of the cover housing, a lower cover bolt-coupled to the upper cover and disposed at the upper side of the cell housing and a bus bar unit disposed between the lower cover and the upper cover, electrically connected to electrodes of the plurality of battery cells, and sealing-coupled to at least one of the upper cover and the lower cover.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: April 27, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Su-Chang Kim, Dal-Mo Kang, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
  • Patent number: 10985433
    Abstract: A battery module has a cell stack including a first battery cell and a second battery cell, which respectively have electrode leads and are stacked to face each other. A connector configured to connect the electrode leads of the pair of battery cells. A support frame provided to at least one side of the cell stack and having a pair of lead slits at which the electrode leads are drawn and an injection slit formed at a location corresponding to the connector to give a passage through which a venting gas discharged at venting of the battery cell is injected.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 20, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon