Patents by Inventor Yong-Joon Choi

Yong-Joon 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).

  • Publication number: 20240356184
    Abstract: The present invention relates to a pouch type secondary battery with improved insulation performance, a secondary battery module including the same, and a pouch therefor. The pouch type secondary battery has a pouch that includes: an accommodation part in which the electrode assembly is accommodated and an edge part disposed along an outer circumference of the accommodation part to define an edge. The edge part includes an insulating layer having an insulating material, and, in the insulating layer, a first insulating layer and a second insulating layer are stacked in sequence from an inside toward an outside of the pouch.
    Type: Application
    Filed: October 14, 2022
    Publication date: October 24, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yong Joon Choi, Soo Youl Kim, Dong Su Lee
  • Publication number: 20230411760
    Abstract: A battery module includes a cell stack in which a plurality of cells are stacked; and a compression pad provided on an outer surface of the cell stack, wherein the compression pad is a laminate of an elastic pad and a synthetic resin film attached to at least one surface of the elastic pad. The synthetic resin film includes a length extension portion longer than the elastic pad in length, and the length extension portion is folded to cover and protect the upper surface of the cell stack.
    Type: Application
    Filed: April 5, 2022
    Publication date: December 21, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun-Jae LEE, Jun-Kyu PARK, Yong-Joon CHOI
  • Patent number: 11668666
    Abstract: The present invention relates to a method for early detection of carbonization during the drying of an organic material. The method of the present invention measures temperature variation per unit time of exhaust gas containing water (H2O), carbon monoxide (CO), or carbon dioxide (CO2), which are to be generated by the pyrolysis of an organic material, and the concentration of carbon monoxide/carbon dioxide of the exhaust gas, so as to determine the occurrence of carbonization therethrough, thereby enabling early detection of carbonization within a dryer.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: June 6, 2023
    Inventors: Yong Joon Choi, Won Chan Park, Kyung Hyun Song
  • Patent number: 11616260
    Abstract: Disclosed is a cartridge for battery cells, which includes: an upper cooling plate and a lower cooling plate having a plate shape and spaced to face each other, a cooling channel is formed between the upper cooling plate and the lower cooling plate; a main frame surrounding an outer circumference of the upper cooling plate and an outer circumference of the lower cooling plate with battery cells placed on an upper portion and a lower portion of the main frame; and a support portion disposed at the cooling channel and having at least one support rib protruding in at least one of an upper direction and a lower direction, the at least one support rib supporting the upper cooling plate and the lower cooling plate.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: March 28, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Yong-Joon Choi, Hwa-Joong Kim, Jun-Yeob Seong, Sung-Chun Yu
  • Patent number: 11407845
    Abstract: A method for controlling a residual monomer content of a polymer, wherein when a hot-air temperature and a hot-air velocity are maintained, the controlling method can predict the content of the residual monomer by controlling a hot-air mass ratio without influence of other external factors.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: August 9, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Yong Joon Choi, Won Chan Park
  • Patent number: 10910616
    Abstract: Disclosed is a battery pack for a vehicle, which includes a pack case forming an appearance of the battery pack, a static electricity inducing pattern forming a conductor pattern of a predetermined form on a BMS circuit board provided in the pack case and a discharge terminal connected to the static electricity inducing pattern, and a cable connector for both communicating and grounding, which is composed of a pack connector having a first connection portion configured to be connected to a data transmission terminal on the BMS circuit board and a second connection portion configured to be connected to the discharge terminal, and a vehicle connector connected to the pack connector by a harness cable and installed to the pack case to be exposed out through a connector mounting hole formed through the pack case.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: February 2, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Joon Choi, Do-Hyeon Kim, Hwa-Joong Kim, Jun-Yeob Seong, Sung-Chun Yu
  • Patent number: 10665831
    Abstract: Provided are a battery module and a battery pack including the same. The battery module includes: a cartridge assembly in which a plurality of cartridges, each accommodating a battery cell, are stacked on each other; a cover surrounding the cartridge assembly; a bushing member inserted through the cartridge assembly and the cover, and protruding to the outside of the cover by a pre-set interval; and a locking member inserted into the bushing member and locking the cover.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: May 26, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hwa-Joong Kim, Tae-Young Kang, Jun-Yeob Seong, Sung-Chun Yu, Yong-Joon Choi
  • Patent number: 10644276
    Abstract: The present disclosure provides a battery module capable of stably maintaining contact of electrode leads while having a simple structure and high assemblability.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Joon Choi, Tae-Young Kang, Do-Hyeon Kim, Hwa-Joong Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu
  • Patent number: 10637111
    Abstract: Provided is a battery module having improved sealing properties of a cooling duct. The battery module includes a battery stack, in which an inlet of an air flow path is opened at one side and an outlet of the air flow path is opened at another side, and a plurality of cooling ducts combined to two side portions of the battery stack to respectively communicate with the inlet of the air flow path and the outlet of the air flow path. At least one of the plurality of cooling ducts includes a plug accommodating part defining a through hole, and a harness accommodating plug air-tightly inserted into the through hole and having a plurality of wire accommodating holes. The harness accommodating plug passes a wire of the internal harness or a wire of the external harness through the wire accommodating hole. The internal harness and the external harness are electrically combined around the harness accommodating plug.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: April 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Joon Choi, Ki-Youn Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu, Gang-U Lee, Jung-Hang Lee, Sang-Yoon Jeong
  • Patent number: 10629874
    Abstract: A cartridge for secondary batteries, according to the present disclosure, includes a main frame including at least four unit frames connected to each other at ends thereof to provide a cavity inside the four unit frames, wherein at least some of the unit frames have openings penetrating therethrough in a horizontal direction and two or more main frames are configured to be vertically stackable on one another, an upper cooling plate having a plate shape, including an upper bonding portion serving as edges and boned to the main frame, and arranged to cover the cavity, and a lower cooling plate having a plate shape, including a lower bonding portion serving as edges and boned to the main frame, and spaced apart from the upper cooling plate by a predetermined distance to face the upper cooling plate and generating a cooling channel between the upper and lower cooling plates.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: April 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Gang-U Lee, Jun-Yeob Seong, Sung-Chun Yu, Yong-Joon Choi
  • Patent number: 10622663
    Abstract: A cartridge for a secondary battery includes a cooling channel in which an upper cooling plate and a lower cooling plate are respectively coupled to an upper rim and a lower rim of a ring-shaped main frame having a hollow central area to face each other, the cooling channel being formed in a space between the upper cooling plate and the lower cooling plate, and the main frame includes an opening configured to form an inlet and an outlet of the cooling channel by passing through the main frame in a lateral direction, the opening having an edge area chamfered such that a diameter thereof expands in an outward direction.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: April 14, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Chun Yu, Tae-Young Kang, Yong-Joon Choi
  • Patent number: 10622256
    Abstract: A method of manufacturing a semiconductor device may include forming a sacrificial layer on a substrate including a first region and a second region, forming a first pattern on the sacrificial layer of the second region, forming a second pattern on the sacrificial layer of the first region, forming first upper spacers on opposite sidewalls of the second pattern, removing the second pattern, etching the first sacrificial layer of the first region using the first upper spacers as an etch mask to form a third pattern, etching the first sacrificial layer of the second region using the first pattern as an etch mask to form a fourth pattern, forming first lower spacers at either side of the third pattern, forming second spacers on opposite sidewalls of the fourth pattern, removing the third pattern and the fourth pattern, and etching the substrate using the first lower spacers and the second spacers as etch masks.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Jin Mun, Dong-Hoon Khang, Woo-Ram Kim, Cheol Kim, Dong-Seok Lee, Yong-Joon Choi, Seung-Mo Ha, Do-Hyoung Kim
  • Patent number: 10608296
    Abstract: Provided is a battery module suitable for cooling battery cells between battery cartridges within a short period of time by including cooling ducts at side portions of the battery cartridges to restrict inflow of air from the cooling ducts to air paths of the battery cartridges. The battery module includes: a battery stack including battery cartridges having air induction holes protruding from grooves at side surfaces of the battery cartridges and air paths communicating with the air induction holes, at least one battery cell alternately stacked with the battery cartridges; a sealing member including an outer sealing frame and sealing ribs located in the grooves of the battery stack, and middle sealing frames located between the air induction holes; and a cooling duct including a groove portion covering the grooves and accommodating the outer sealing frame.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 31, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Gang-U Lee, Ki-Youn Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu, Jung-Hang Lee, Sang-Yoon Jeong, Yong-Joon Choi
  • Publication number: 20200017612
    Abstract: A method for controlling a residual monomer content of a polymer, wherein when a hot-air temperature and a hot-air velocity are maintained, the controlling method can predict the content of the residual monomer by controlling a hot-air mass ratio without influence of other external factors.
    Type: Application
    Filed: September 22, 2017
    Publication date: January 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Yong Joon Choi, Won Chan Park
  • Publication number: 20190331619
    Abstract: The present invention relates to a method for early detection of carbonization during the drying of an organic material. The method of the present invention measures temperature variation per unit time of exhaust gas containing water (H2O), carbon monoxide (CO), or carbon dioxide (CO2), which are to be generated by the pyrolysis of an organic material, and the concentration of carbon monoxide/carbon dioxide of the exhaust gas, so as to determine the occurrence of carbonization therethrough, thereby enabling early detection of carbonization within a dryer.
    Type: Application
    Filed: February 23, 2018
    Publication date: October 31, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Yong Joon Choi, Won Chan Park, Kyung Hyun Song
  • Patent number: 10461286
    Abstract: The present disclosure discloses a battery pack suitable for improving cooling efficiency of a cooling duct for battery cells in a battery module by reducing a sealing area between a lower case and an upper case configured to fully surround the battery module. The battery pack according to the present disclosure includes a battery module including battery cells sequentially stacked and a cooling duct located on side of the battery cells; a lower case configured to load the battery module and the cooling duct therein; and an upper case coupled to the lower case so as to cover the battery module and the cooling duct, the upper case having a vent structure on the cooling duct. The vent structure has, on the cooling duct, an inner air passage unit opened at a sidewall of the upper case, and an outer air passage unit inserted into the inner air passage unit.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: October 29, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Gang-U Lee, Sang-Yoon Jeong, Jun-Yeob Seong, Ki-Youn Kim, Sung-Chun Yu, Duck-Hee Moon, Jung-Hang Lee, Yong-Joon Choi
  • Patent number: 10446812
    Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and durability, and configured to stably maintain a stack of cartridges. According to an aspect of the present disclosure, the battery pack includes: vertically arranged secondary cells each including an electrode assembly, an electrolyte, and a pouch-type case; vertically stacked cartridges accommodating the secondary cells in inner spaces thereof and including coupling holes; a lower end plate including a plate-shaped metallic material and placed on a lower portion of a stack of the secondary cells and the cartridges; a first fastening member fixed to the lower end plate; and a second fastening member having an elongated shape so as to stand on the lower end plate in a direction perpendicular to the lower end plate, a lower end portion of the second fastening member coupled to the first fastening member, the second fastening member being inserted through coupling holes of the cartridges.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: October 15, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Ki-Youn Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu, Gang-U Lee, Jung-Hang Lee, Sang-Yoon Jeong, Yong-Joon Choi
  • Publication number: 20190312319
    Abstract: Disclosed is a cartridge for battery cells, which includes: an upper cooling plate and a lower cooling plate having a plate shape and spaced to face each other, a cooling channel is formed between the upper cooling plate and the lower cooling plate; a main frame surrounding an outer circumference of the upper cooling plate and an outer circumference of the lower cooling plate with battery cells placed on an upper portion and a lower portion of the main frame; and a support portion disposed at the cooling channel and having at least one support rib protruding in at least one of an upper direction and a lower direction, the at least one support rib supporting the upper cooling plate and the lower cooling plate.
    Type: Application
    Filed: July 5, 2018
    Publication date: October 10, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yong-Joon CHOI, Hwa-Joong KIM, Jun-Yeob SEONG, Sung-Chun YU
  • Patent number: 10403876
    Abstract: Disclosed are an electrode lead connecting structure capable of simplifying an assembly process of busbars by integrating sensing and electrode busbars, and of minimizing worker's mistakes during the assembly process by almost horizontally arranging busbars on a printed circuit board for each level, a battery module including the electrode lead connecting structure, and a battery pack including the battery module. An electrode lead connecting structure according to the present disclosure includes a printed circuit board, first and second electrode-integrated sensing busbars provided at a lowest level of one side edge of the printed circuit board and at a highest level of an opposite side edge of the printed circuit board, respectively, a first sensing busbar group located on the first L-shaped end strip busbar at the one side edge, and a second sensing busbar group located under the second L-shaped end strip busbar at the opposite side edge.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: September 3, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Joon Choi, Ki-Youn Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu, Gang-U Lee, Jung-Hang Lee, Sang-Yoon Jeong
  • Patent number: RE48482
    Abstract: A vertical memory device includes a substrate, a plurality of channels on the substrate and extending in a first direction that is vertical to a top surface of the substrate, a plurality of gate lines stacked on top of each other on the substrate, a plurality of wiring over the gate lines and electrically connected to the gate lines, and an identification pattern on the substrate at the same level as a level of at least one of the rings. The gate lines surround the channels. The gate lines are spaced apart from each other along the first direction.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 23, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Min Lee, Hoo-Sung Cho, Jeong-Seok Nam, Jong-Min Lee, Yong-Joon Choi