Patents by Inventor Woonseong Baek

Woonseong Baek 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: 10734687
    Abstract: A battery pack including at least one battery cell, a protective circuit module on a side of the at least one battery cell, and a case including the protective circuit module and the at least one battery cell. The protective circuit module includes a battery management system, an inverter, and an output terminal to supply power for driving a motor.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Woonseong Baek, Sejin Ji, Hyeoncheol Jeong
  • Patent number: 10711757
    Abstract: A battery pack including a battery, a sensor, a controller, and a self-discharge circuit. The battery includes at least one battery cell connected between a pair of external terminals. The at least one battery cell is used for an engine-start attempt. The sensor detects a temperature of the battery. The controller compares the temperature of the battery with a reference temperature value and outputs a self-discharge signal when the temperature of the battery is lower than the reference temperature value. The self-discharge circuit is connected between the pair of external terminals in parallel with the battery and performs self-discharge the battery based on the self-discharge signal.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sangkyou Kim, Sejin Ji, Woonseong Baek, Hyeoncheol Jeong
  • Patent number: 10319967
    Abstract: A battery module includes a bus bar; and a plurality of battery packs electrically connected to each other by the bus bar and arranged in front and rear directions, wherein each of the plurality of battery packs comprises a front polarity display part and a rear polarity display part that display polarities of terminals in front and rear positions of the terminals, wherein the front polarity display part and the rear polarity display part are formed to have different heights.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Daepyo Lee, Kwanil Oh, Heuisang Yoon, Woonseong Baek
  • Patent number: 10128666
    Abstract: A battery module including: a plurality of battery packs each having a plurality of battery banks; a first wire that connects the plurality of battery packs in parallel; and a second wire that connects battery banks of the different battery packs in parallel. A natural balancing operation may be implemented without a complicated circuit configuration.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: November 13, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyeoncheol Jeong, Woojoon Chung, Sejin Ji, Jongho Park, Woonseong Baek
  • Patent number: 9667091
    Abstract: A battery pack includes an antenna attached to a battery cell, a sensor configured to sense an energy level induced in the antenna, a controller configured to determine, according to a sensed signal of the sensor, whether the energy level is a first energy level for wireless charging or is a second energy level for near field communication, and a switch connecting the antenna to a battery charger or a near field communication circuit according to a control signal of the controller.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: May 30, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Woonseong Baek, Pilho Jung
  • Publication number: 20170104196
    Abstract: A battery module includes a bus bar; and a plurality of battery packs electrically connected to each other by the bus bar and arranged in front and rear directions, wherein each of the plurality of battery packs comprises a front polarity display part and a rear polarity display part that display polarities of terminals in front and rear positions of the terminals, wherein the front polarity display part and the rear polarity display part are formed to have different heights.
    Type: Application
    Filed: September 27, 2016
    Publication date: April 13, 2017
    Inventors: Daepyo Lee, Kwanil Oh, Heuisang Yoon, Woonseong Baek
  • Publication number: 20160322615
    Abstract: A battery module including: a plurality of battery packs each having a plurality of battery banks; a first wire that connects the plurality of battery packs in parallel; and a second wire that connects battery banks of the different battery packs in parallel. A natural balancing operation may be implemented without a complicated circuit configuration.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 3, 2016
    Inventors: Hyeoncheol Jeong, Woojoon Chung, Sejin Ji, Jongho Park, Woonseong Baek
  • Publication number: 20160268641
    Abstract: A battery pack including at least one battery cell, a protective circuit module on a side of the at least one battery cell, and a case including the protective circuit module and the at least one battery cell. The protective circuit module includes a battery management system, an inverter, and an output terminal to supply power for driving a motor.
    Type: Application
    Filed: September 3, 2015
    Publication date: September 15, 2016
    Inventors: Woonseong BAEK, Sejin JI, Hyeoncheol JEONG
  • Publication number: 20160260950
    Abstract: A battery pack includes a plurality of bare cells; a housing into which the bare cells are inserted in a first direction; an electrode tab in contact with edge portions of first ends of bare cells of the plurality of bare cells and including a plurality of openings; a plurality of electrode blocks arranged at both ends of the bare cells; and electrode terminals directly connected to electrode blocks of the plurality of electrode blocks to allow the bare cells to be connected to an external device.
    Type: Application
    Filed: September 17, 2015
    Publication date: September 8, 2016
    Inventors: Woonseong Baek, Sejin Ji, Sangkyou Kim, Hyeoncheol Jeong
  • Publication number: 20160201634
    Abstract: A battery pack including a battery, a sensor, a controller, and a self-discharge circuit. The battery includes at least one battery cell connected between a pair of external terminals. The at least one battery cell is used for an engine-start attempt. The sensor detects a temperature of the battery. The controller compares the temperature of the battery with a reference temperature value and outputs a self-discharge signal when the temperature of the battery is lower than the reference temperature value. The self-discharge circuit is connected between the pair of external terminals in parallel with the battery and performs self-discharge the battery based on the self-discharge signal.
    Type: Application
    Filed: August 4, 2015
    Publication date: July 14, 2016
    Inventors: Sangkyou KIM, Sejin JI, Woonseong BAEK, Hyeoncheol JEONG
  • Publication number: 20160190856
    Abstract: A battery pack includes an antenna attached to a battery cell, a sensor configured to sense an energy level induced in the antenna, a controller configured to determine, according to a sensed signal of the sensor, whether the energy level is a first energy level for wireless charging or is a second energy level for near field communication, and a switch connecting the antenna to a battery charger or a near field communication circuit according to a control signal of the controller.
    Type: Application
    Filed: August 26, 2015
    Publication date: June 30, 2016
    Inventors: Woonseong Baek, Pilho Jung
  • Patent number: 9048477
    Abstract: A battery pack having increased resistance against external impact by increasing a coupling strength between a bare cell and a case, resulting in increased reliability and quality. The battery pack includes a bare cell, a circuit module electrically connected to the bare cell, a frame case surrounding the bare cell and including a channel groove arranged at a region facing the bare cell, a coupling reinforcement portion arranged in the channel groove to couple the frame case to the bare cell and a metal label attached to side surfaces of the bare cell.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Woonseong Baek, Sangjoo Lee, Hyungshin Kim
  • Patent number: 8974926
    Abstract: Provided is a secondary battery in which an insertion hole where an electrode terminal is insertable is defined in a center of a bottom case disposed under a can to connect batteries to each other in series.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: March 10, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Woonseong Baek
  • Patent number: 8846222
    Abstract: A battery pack including a reinforcement plate having a metal layer and a heat sealing layer, wherein the reinforcement plate is attached to a battery cell to reinforce the battery cell, thus improving reliability regarding product quality. The battery pack includes a battery cell, a circuit module electrically connected to the battery cell, a top cover installed on an upper portion of the battery cell, and a reinforcement plate attached to the battery cell.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: September 30, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Woonseong Baek, Jeongdeok Byun
  • Patent number: 8637172
    Abstract: The present invention relates to a secondary battery, and in particular relating to a secondary battery in which connection between the bare cell and the protection circuit can be established by a mechanical connection system without using molding method. A secondary battery of the present invention includes a bare cell in which charging and discharging can be performed, a protection circuit substrate electrically connected to the bare cell, a substrate molding body integrally formed with the protection circuit substrate, a support member having a connection unit coupled to the substrate molding body for connecting the substrate molding body to the support member, and a connection member for connecting the substrate molding body to the connection unit.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: January 28, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jintae Hong, Inkyu Park, Woonseong Baek
  • Patent number: 8623531
    Abstract: A battery pack that does not increase contact resistance when an impact is applied to a bare cell and a protection circuit module. The battery pack includes: a bare cell having a surface on which at least one coupling groove is formed; a protection circuit module electrically connected to the bare cell; at least one coupling member having one end coupled to the protection circuit module and another end in which at least one coupling hole corresponding to the at least one coupling groove of the bare cell is formed, and tightly adhered to the bare cell; at least one screw bolt coupled to the at least one coupling groove through the at least one coupling hole; and at least one space formed in an opening part of the at least one coupling groove, having a diameter greater than that of the coupling groove. Therefore, the battery pack does not increase the contact resistance between the bare cell and the protection circuit module against an external impact.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: January 7, 2014
    Assignee: Samsung SDI Co. Ltd.
    Inventors: Woonseong Baek, Bumkuk Choi, Sangjoo Lee
  • Patent number: 8597807
    Abstract: A battery includes an external terminal, a thermal fuse, a bare cell, an electrode assembly disposed within the bare cell and electrically coupled to the external terminal via the thermal fuse, such that the thermal fuse electrically disconnects the electrode assembly from the external terminal when a temperature of the battery reaches a predetermined value, a top cover, a protective circuit module within the top cover and on the bare cell, and a thermally insulating top sheet disposed on the thermal fuse, between the thermal fuse and the protective circuit module, the top sheet having a recess configured to receive the thermal fuse, such that the top sheet covers the top surface of the thermal fuse.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: December 3, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sangjoo Lee, Heuisang Yoon, Woonseong Baek
  • Patent number: 8445125
    Abstract: A pouch type battery, including a pouch type bare cell having a terrace and having an electrode tab adjacent to the terrace, the terrace being an empty space defined where a sealing area of the electrode tab is not bent, the sealing area positioned in a direction in which the electrode tab extends, a protective circuit board electrically connected to the electrode tab, the protective circuit board positioned in the terrace and including a protection circuit, an upper case supporting the protective circuit board and encasing an upper portion of the bare cell, and a first barrier protruding downwardly from the upper case and electrically separating the protective circuit board from the electrode tab.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: May 21, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Woonseong Baek
  • Patent number: 8445124
    Abstract: A battery pack having increased resistance against an external impact by increasing a coupling strength between a bare cell and a case resulting in increased reliability and quality. The battery pack includes a bare cell; a circuit module electrically connected to the bare cell; a frame case surrounding the bare cell and including a channel groove arranged at a region facing the bare cell; and a coupling reinforcement portion arranged in the channel groove to couple the frame case to the bare cell.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: May 21, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Woonseong Baek, Sangjoo Lee, Hyungshin Kim
  • Publication number: 20120129012
    Abstract: Provided is a secondary battery in which an insertion hole where an electrode terminal is insertable is defined in a center of a bottom case disposed under a can to connect batteries to each other in series.
    Type: Application
    Filed: June 8, 2011
    Publication date: May 24, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventor: Woonseong Baek