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).

  • 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
  • Publication number: 20190189979
    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: Application
    Filed: January 26, 2017
    Publication date: June 20, 2019
    Applicant: 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: 10304847
    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 wirings. The gate lines surround the channels. The gate lines are spaced apart from each other along the first direction.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Min Lee, Hoo-Sung Cho, Jeong-Seok Nam, Jong-Min Lee, Yong-Joon Choi
  • Patent number: 10297801
    Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and productivity, and configured to reduce manufacturing costs and enhance the scalability and durability of a pack case. The battery pack includes: a cell assembly including a plurality of secondary cells and a plurality of cartridges, the cartridges being configured to be stacked on one another and to accommodate the secondary cells while surrounding outer circumferential portions of the secondary cells from outsides of the secondary cells; a lower housing having an empty inner space to accommodate the cell assembly in the inner space, the lower housing being opened on an upper side thereof; a lower end plate including a plate-shaped metallic material and placed in surface contact with a lower surface of the lower housing; and a lower cover placed on a lower portion of the lower end plate to cover the lower end plate, the lower cover being fixedly coupled to the lower housing.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: May 21, 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: 20190051875
    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: Application
    Filed: September 20, 2017
    Publication date: February 14, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yong-Joon CHOI, Do-Hyeon KIM, Hwa-Joong KIM, Jun-Yeob SEONG, Sung-Chun YU
  • Publication number: 20180358646
    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: Application
    Filed: February 9, 2017
    Publication date: December 13, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Chun YU, Tae-Young KANG, Yong-Joon CHOI
  • Publication number: 20180309100
    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: Application
    Filed: October 24, 2016
    Publication date: October 25, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hwa-Joong KIM, Tae-Young KANG, Jun-Yeob SEONG, Sung-Chun YU, Yong-Joon CHOI
  • Publication number: 20180301674
    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: Application
    Filed: September 28, 2016
    Publication date: October 18, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Gang-U LEE, Jun-Yeob SEONG, Sung-Chun YU, Yong-Joon CHOI
  • Patent number: 10090314
    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 wirings. The gate lines surround the channels. The gate lines are spaced apart from each other along the first direction.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: October 2, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Min Lee, Hoo-Sung Cho, Jeong-Seok Nam, Jong-Min Lee, Yong-Joon Choi
  • Publication number: 20180211968
    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 wirings. The gate lines surround the channels. The gate lines are spaced apart from each other along the first direction.
    Type: Application
    Filed: March 16, 2018
    Publication date: July 26, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-Min Lee, Hoo-Sung Cho, Jeong-Seok Nam, Jong-Min Lee, Yong-Joon Choi
  • Publication number: 20180175465
    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: Application
    Filed: September 29, 2016
    Publication date: June 21, 2018
    Applicant: 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
  • Publication number: 20180138484
    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: Application
    Filed: July 11, 2016
    Publication date: May 17, 2018
    Applicant: 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
  • Publication number: 20180138562
    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: Application
    Filed: June 14, 2016
    Publication date: May 17, 2018
    Applicant: 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
  • Patent number: 9972538
    Abstract: Methods for fabricating a semiconductor device include forming a composite film, forming a rough pattern on the composite film, forming a smooth pattern by subjecting the rough pattern to ion implantation and a plasma treatment, and patterning the composite film using the smooth pattern as a first mask.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: May 15, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol Kim, Dong-Hoon Khang, Do-Hyoung Kim, Seung-Jin Mun, Yong-Joon Choi, Seung-Mo Ha
  • Patent number: 9966375
    Abstract: A semiconductor device includes a compound semiconductor layer, where the compound semiconductor layer includes separate fin patterns in separate regions. The separate fin patterns may include different materials. The separate fin patterns may include different dimensions, including one or more of width and height of one or more portions of the fin patterns. The separate fin patterns may include an upper pattern and a lower pattern. The upper pattern and the lower pattern may include different materials. The upper pattern and the lower pattern may include different dimensions. Separate regions may include separate ones of an NMOS or a PMOS. The semiconductor device may include gate electrodes on the compound semiconductor layer. Separate gate electrodes may intersect the separate fin patterns.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: May 8, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Joon Choi, Tae-Yong Kwon, Mirco Cantoro, Chang-Jae Yang, Dong-Hoon Khang, Woo-Ram Kim, Cheol Kim, Seung-Jin Mun, Seung-Mo Ha, Do-Hyoung Kim, Seong-Ju Kim, So-Ra You, Woong-ki Hong
  • Publication number: 20180053921
    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: Application
    Filed: April 28, 2016
    Publication date: February 22, 2018
    Applicant: 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: 20180047951
    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: Application
    Filed: June 15, 2016
    Publication date: February 15, 2018
    Applicant: 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