Patents by Inventor Dong-Myung Kim

Dong-Myung 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: 20250115133
    Abstract: A platform service system and method for integrated battery management. The platform service system collects battery characteristic data of an electric vehicle through a network and accumulatively store the same to be matched with a battery identification code, calculates a current SOH of a battery by analyzing the battery characteristic data and store the same in a SOH history DB to be matched with the battery identification code, inquires the SOH history DB using the battery identification code to determine a current SOH when a reuse grade calculation request is received from a client along with the battery identification code, determines a reuse grade corresponding to the current SOH with reference to predefined reuse grade information for each SOH, and transmits the reuse grade to the client.
    Type: Application
    Filed: November 13, 2024
    Publication date: April 10, 2025
    Inventors: Hyun KIM, Chang-Beom KANG, Dong-Myung KIM, Jong-Hyun KIM, Jin-Suk KIM, Hyung-Sik KIM, Jang-Hwan SHIN, HyoungJun AHN, Dal-Hoon LEE
  • Patent number: 12272839
    Abstract: An electrode assembly includes a plurality of electrodes arranged in a stack along a stacking axis with a respective separator portion of an elongated separator sheet positioned between and winding around each of the electrodes in the stack along a serpentine path. The plurality of electrodes include a top electrode positioned at a top of the stack along the stacking axis, and the plurality of electrodes include a bottom electrode positioned at a bottom of the stack. The separator portions in the stack include a top separator portion abutting the top electrode and a bottom separator portion abutting the bottom electrode. The bottom electrode may have a thickness along the stacking axis that is from 80% to 120% of a thickness of the top electrode along the stacking axis. Moreover, a maximum thickness of each of the electrodes in the stack may be less than 8.3 mm.
    Type: Grant
    Filed: November 1, 2024
    Date of Patent: April 8, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Se Hyun Yoon, Beomsu Kim, Yong Nam Kim, Heeyong Kim, Dong Hyeuk Park, Dong Myung Kim, Jae Han Jung
  • Patent number: 12246616
    Abstract: A computing system according to at least one embodiment disclosed herein includes an autonomous driving controller that controls autonomous driving of a vehicle, and an energy management unit that provides a service related to energy management of the vehicle. The autonomous driving controller may set an output of a driving system included in the vehicle. The energy management unit may determine a change in an internal resistance of a battery based on driving data of the vehicle and battery data of the battery included in the vehicle, and sets an output current of the battery for the set output based of the driving system based on the determined change in the internal resistance.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: March 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jin Woo Lee, Sung Soo Hong, Dong Myung Kim, Hyuk Sung Chung
  • Patent number: 12244038
    Abstract: An electrode assembly includes a plurality of electrodes arranged in a stack along a stacking axis with a respective separator portion of an elongated separator sheet positioned between and winding around each of the electrodes in the stack along a serpentine path. The plurality of electrodes include a top electrode positioned at a top of the stack along the stacking axis, and the plurality of electrodes include a bottom electrode positioned at a bottom of the stack. The separator portions in the stack include a top separator portion abutting the top electrode and a bottom separator portion abutting the bottom electrode. The bottom electrode may have a thickness along the stacking axis that is from 80% to 120% of a thickness of the top electrode along the stacking axis. Moreover, a maximum thickness of each of the electrodes in the stack may be less than 8.3 mm.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: March 4, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Se Hyun Yoon, Beomsu Kim, Yong Nam Kim, Heeyong Kim, Dong Hyeuk Park, Dong Myung Kim, Jae Han Jung
  • Patent number: 12244037
    Abstract: An electrode assembly manufacturing method includes the steps of: assembling an electrode stack; performing a primary heat press operation on the electrode stack; then performing a pre-heating operation on the electrode stack; and then performing a secondary heat press operation on the electrode stack. The pre-heating operation may include applying heat and pressure to the electrode stack for a time period from 10 seconds to 40 seconds under a pressure condition from 0.5 MPa to 2 MPa and under a temperature condition from 50° C. to 85° C. The pressure condition applied in the pre-heating operation may include applying a lower pressure than that applied in the primary and secondary heat press operations. The primary heat press operation may include engaging the electrode stack with a gripper to secure a position of the electrode stack, which gripper may be disengaged from the electrode stack before performing the pre-heating operation.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: March 4, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Se Hyun Yoon, Beomsu Kim, Yong Nam Kim, Heeyong Kim, Dong Hyeuk Park, Dong Myung Kim, Jae Han Jung
  • Publication number: 20250062494
    Abstract: An electrode assembly includes a plurality of electrodes arranged in a stack along a stacking axis with a respective separator portion of an elongated separator sheet positioned between and winding around each of the electrodes in the stack along a serpentine path. The plurality of electrodes include a top electrode positioned at a top of the stack along the stacking axis, and the plurality of electrodes include a bottom electrode positioned at a bottom of the stack. The separator portions in the stack include a top separator portion abutting the top electrode and a bottom separator portion abutting the bottom electrode. The bottom electrode may have a thickness along the stacking axis that is from 80% to 120% of a thickness of the top electrode along the stacking axis. Moreover, a maximum thickness of each of the electrodes in the stack may be less than 8.3 mm.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 20, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Se Hyun Yoon, Beomsu Kim, Yong Nam Kim, Heeyong Kim, Dong Hyeuk Park, Dong Myung Kim, Jae Han Jung
  • Publication number: 20250062493
    Abstract: An electrode assembly manufacturing method includes the steps of: assembling an electrode stack; performing a primary heat press operation on the electrode stack while engaging the electrode stack with a gripper; and then performing a secondary heat press operation on the electrode stack while the gripper is disengaged from the electrode stack. The secondary heat press operation may include applying heat and pressure to the electrode stack for a time period from 5 seconds to 60 seconds under a temperature condition from 50° C. to 90° C. and under a pressure condition from 1 Mpa to 6 Mpa. The step of assembling the electrode stack may include alternately stacking first and second electrodes on an elongated separator sheet, and sequentially folding the separator sheet over a previously-stacked one of the electrodes before a subsequent electrode is stacked. An apparatus for performing the manufacturing method is also disclosed.
    Type: Application
    Filed: October 31, 2024
    Publication date: February 20, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Se Hyun Yoon, Beomsu Kim, Yong Nam Kim, Heeyong Kim, Dong Hyeuk Park, Dong Myung Kim, Jae Han Jung
  • Publication number: 20250042256
    Abstract: A battery service providing system and method, the battery service providing system including a battery service server for collecting diagnostic analysis data including operation characteristic information of a battery and driving characteristic information of an electric vehicle from an electric vehicle control device and providing update information of a charging/discharging control logic of the battery according to the degree of degradation determined from the diagnostic analysis data to the electric vehicle control device, determining a residual value or a usage fee of the battery based on the determined degree of degradation, transmitting the usage fee or the residual value of the battery to an external server, or setting a warranty flag for the battery whose charging and discharging is controlled according to the update information of the charging/discharging control logic.
    Type: Application
    Filed: October 17, 2024
    Publication date: February 6, 2025
    Inventors: Hyun KIM, Dong-Myung KIM, Jin-Suk KIM, Hyung-Sik KIM, Hyoung Jun AHN
  • Patent number: 12216403
    Abstract: This invention relates to a positive photosensitive resin composition that includes a siloxane copolymer of two kinds of reactive silane compounds with specific structures wherein residual impurities such as unreacted monomers and catalysts are minimized, and a UV absorber including one or more kinds of phenol hydroxyl groups capable of crosslinking and an alkoxy group. Accordingly, the resin composition exhibits excellent performances such as sensitivity, resolution, and degree of planarization, and also has excellent weatherability and UV absorbance, thereby providing excellent panel reliability.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: February 4, 2025
    Assignee: DONJIN SEMICHEM CO., LTD.
    Inventors: Kyoungsoon Shin, Hyoc-Min Youn, Tai Hoon Yeo, Dong Myung Kim, Gi Seon Lee, Ah Rum Park, Seok Hyeon Lee
  • Patent number: 12218380
    Abstract: An electrode assembly manufacturing method includes the steps of: assembling an electrode stack; performing a primary heat press operation on the electrode stack while engaging the electrode stack with a gripper; and then performing a secondary heat press operation on the electrode stack while the gripper is disengaged from the electrode stack. The secondary heat press operation may include applying heat and pressure to the electrode stack for a time period from 5 seconds to 60 seconds under a temperature condition from 50° C. to 90° C. and under a pressure condition from 1 Mpa to 6 Mpa. The step of assembling the electrode stack may include alternately stacking first and second electrodes on an elongated separator sheet, and sequentially folding the separator sheet over a previously-stacked one of the electrodes before a subsequent electrode is stacked. An apparatus for performing the manufacturing method is also disclosed.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: February 4, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Se Hyun Yoon, Beomsu Kim, Yong Nam Kim, Heeyong Kim, Dong Hyeuk Park, Dong Myung Kim, Jae Han Jung
  • Publication number: 20250010721
    Abstract: A service providing system associated with an autonomous driving platform is provided. A service providing system associated with a simulation platform is provided. The service providing system includes a platform managing server configured to manage the simulation platform that provides simulation related to a driving environment of a vehicle, a vehicle data managing server configured to acquire vehicle data including driving data related to driving of the vehicle and battery data related to a state of a battery of the vehicle and provide a simulation request based on the vehicle data and the vehicle data to the simulation platform, and a service server configured to manage energy management software that provides energy management data to the simulation platform in association with the simulation platform.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 9, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin Woo Lee, Dong Myung Kim, Hyuk Sung Chung
  • Publication number: 20250001900
    Abstract: A battery performance management system and method using an electric vehicle charging station. The battery performance management server collects battery performance evaluation information including identification information and operation characteristic accumulative information of a battery, identification information and driving characteristic accumulative information of the electric vehicle, and latest charging characteristic information of the battery from a plurality of charging stations through a network. The server determines a current state of health (SOH) corresponding to the collected battery performance evaluation information by using an artificial intelligence model that is trained in advance to receive the battery performance evaluation information and output a SOH of the battery.
    Type: Application
    Filed: August 30, 2024
    Publication date: January 2, 2025
    Inventors: Dong-Myung KIM, Hyung-Sik KIM, Hyoung Jun AHN
  • Publication number: 20240375543
    Abstract: A computing system according to at least one embodiment disclosed herein includes an autonomous driving controller that controls autonomous driving of a vehicle, and an energy management unit that provides a service related to energy management of the vehicle. The autonomous driving controller may set an output of a driving system included in the vehicle. The energy management unit may determine a change in an internal resistance of a battery based on driving data of the vehicle and battery data of the battery included in the vehicle, and sets an output current of the battery for the set output based of the driving system based on the determined change in the internal resistance.
    Type: Application
    Filed: November 6, 2023
    Publication date: November 14, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin Woo Lee, Sung Soo Hong, Dong Myung Kim, Hyuk Sung Chung
  • Patent number: 12136695
    Abstract: A cylindrical secondary battery includes an electrode assembly having a positive electrode/separator/negative electrode structure positioned in a cylindrical battery can. The cylindrical secondary battery comprises: a first insulating layer mounted at the upper end of the electrode assembly and having a first through hole through which the electrode tab penetrates, and a second insulating layer mounted at the upper end of the first insulating layer and having a second through hole formed to align with a central axis of the electrode assembly. A method of manufacturing the cylindrical secondary battery is also provided.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: November 5, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Sung Pil Yoon, Dong Myung Kim, Joo Hwan Sung
  • Patent number: 12128773
    Abstract: A service providing system associated with an autonomous driving platform is provided. A service providing system associated with a simulation platform is provided. The service providing system includes a platform managing server configured to manage the simulation platform that provides simulation related to a driving environment of a vehicle, a vehicle data managing server configured to acquire vehicle data including driving data related to driving of the vehicle and battery data related to a state of a battery of the vehicle and provide a simulation request based on the vehicle data and the vehicle data to the simulation platform, and a service server configured to manage energy management software that provides energy management data to the simulation platform in association with the simulation platform.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: October 29, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jin Woo Lee, Dong Myung Kim, Hyuk Sung Chung
  • Publication number: 20240250392
    Abstract: Disclosed herein relates to a prismatic secondary battery including: an electrode assembly including a first electrode lead part formed in a first side direction and a second electrode lead part formed in a second side direction opposite the first side direction; a lower case having an open upper surface and housing the electrode assembly therein; and an upper case covering the open upper surface of the lower case, wherein the upper case includes: a first terminal part bent from a top surface of the upper case corresponding to the open upper surface of the lower case and extending downwardly in the first side direction; and a second terminal part bent from the top surface of the upper case and extending downwardly in the second side direction, wherein the first electrode lead part is electrically connected to the first terminal part, and the second electrode lead part is electrically connected to the second terminal part.
    Type: Application
    Filed: April 4, 2023
    Publication date: July 25, 2024
    Inventors: Cheon Hee BOK, Kyung Hwan JUNG, Dong Myung KIM, Hyung Joon JUN, Sang Pil WOO
  • Publication number: 20240227565
    Abstract: A service providing system associated with an autonomous driving platform is provided. A service providing system associated with a simulation platform is provided. The service providing system includes a platform managing server configured to manage the simulation platform that provides simulation related to a driving environment of a vehicle, a vehicle data managing server configured to acquire vehicle data including driving data related to driving of the vehicle and battery data related to a state of a battery of the vehicle and provide a simulation request based on the vehicle data and the vehicle data to the simulation platform, and a service server configured to manage energy management software that provides energy management data to the simulation platform in association with the simulation platform.
    Type: Application
    Filed: November 6, 2023
    Publication date: July 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin Woo Lee, Dong Myung Kim, Hyuk Sung Chung
  • Publication number: 20240233455
    Abstract: A system includes a platform managing server configured to manage an autonomous driving platform of a vehicle, wherein the autonomous driving platform supports autonomous driving of the vehicle, a vehicle data managing server configured to acquire vehicle data including driving data related to driving of the vehicle and battery data related to a state of a battery of the vehicle and provide the vehicle data to the platform managing server upon occurrence of a predefined event, and a service server configured to manage energy management software for providing one or more energy management services to the autonomous driving platform.
    Type: Application
    Filed: November 6, 2023
    Publication date: July 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin Woo Lee, Dong Myung Kim, Hyuk Sung Chung
  • Publication number: 20240201590
    Abstract: A photosensitive resin composition includes an alkali-soluble resin including at least one structure selected from the group consisting of polyamic acid, polyamic ester, and polyimide; two or more thermal crosslinkable compounds; a photosensitizer; and a solvent. The photosensitive resin composition has excellent sensitivity, film residual rate, adhesive force, chemical resistance and heat resistance; and a display device includes a component cured from such a photosensitive resin composition.
    Type: Application
    Filed: February 3, 2024
    Publication date: June 20, 2024
    Inventors: Hyoc Min YOUN, Tai Hoon YEO, Dong Myung KIM, Sun Hee LEE, Ah Rum PARK, Gun Seok JANG, Nu Ri OH, In Ho SONG, Seok Hyun LEE
  • Publication number: 20240118616
    Abstract: This invention relates to a positive photosensitive resin composition that includes a siloxane copolymer of two kinds of reactive silane compounds with specific structures wherein residual impurities such as unreacted monomers and catalysts are minimized, and a UV absorber including one or more kinds of phenol hydroxyl groups capable of crosslinking and an alkoxy group. Accordingly, the resin composition exhibits excellent performances such as sensitivity, resolution, and degree of planarization, and also has excellent weatherability and UV absorbance, thereby providing excellent panel reliability.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 11, 2024
    Inventors: Kyoungsoon SHIN, Hyoc-Min YOUN, Tai Hoon YEO, Dong Myung KIM, Gi Seon LEE, Ah Rum PARK, Seok Hyeon LEE