Patents by Inventor Seung Bae Lee

Seung Bae Lee 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: 12646772
    Abstract: A method for manufacturing a pouch-type secondary battery according to an embodiment of the present invention may include: a first sealing operation of fusing a lead film, which is attached to an electrode lead of an electrode assembly, to a sealing portion of a pouch in which the electrode assembly is accommodated; and a second sealing operation of sealing the sealing portion of the pouch. The first sealing operation may include: a heating process of irradiating with a laser beam a region which is present in the sealing portion of the pouch and corresponds to the lead film, thereby heating the lead film and melting a resin layer of the region; and a bonding process of compressing the region, thereby bonding the lead film and the melted resin layer.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: June 2, 2026
    Assignee: LG Energy Solution, Ltd.
    Inventors: Ju Hwan Baek, Jung Su Oh, Seung Bae Lee
  • Patent number: 12562416
    Abstract: The present invention relates to a pouch-shaped secondary battery sealing apparatus and a pouch-shaped secondary battery manufacturing method capable of radiating an infrared laser to a sealed portion in an overlapping state, whereby it is possible to increase sealing force, to prevent occurrence of wrinkles, and to reduce sealing time when forming a sealed portion of a pouch-shaped secondary battery case.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: February 24, 2026
    Assignee: LG Energy Solution, Ltd.
    Inventors: Ju Hwan Baek, Seung Bae Lee, Jung Su Oh
  • Publication number: 20250293281
    Abstract: Disclosed herein relates to a sealing device for a pouch-type secondary battery, the sealing device including a light source part for irradiating light and a pressurizing part for heating and pressurizing a sealing part of a pouch-type case using light irradiated by the light source part, wherein, by applying a first light transmitting material having a high thermal conductivity and a high light refractive index to the sealing unit of the pressurizing part that contacts the sealing part of the pouch-type case, not only can the sealing part of the pouch-type case be uniformly sealed, but also can prevent damage to the sealing unit heated to a high temperature during sealing, so that the quality of the secondary battery can be improved, and at the same time, processability and economy can be improved.
    Type: Application
    Filed: July 25, 2023
    Publication date: September 18, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seong Jae Yoon, Ju Hwan Baek, Jin Soo Lee, Seung Bae Lee, Kwang Un Jo
  • Patent number: 12358746
    Abstract: An automatic electrode supply apparatus configured to automatically supply an electrode in various processes for manufacturing a secondary battery includes a first chuck splicing unit including a splicing portion having a traveling electrode located thereon and a second chuck splicing unit including a splicing portion having a standby electrode located thereon, wherein each of the first and second chuck splicing units includes an edge position control (EPC) sensor configured to measure the position of the edge of a corresponding one of the traveling electrode and the standby electrode in order to prevent distortion or fracture defect of the electrode due to positional deviation between the traveling electrode and the standby electrode, and an automatic electrode supply method using the same.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: July 15, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Young Soo Lee, Jin Soo Lee, Seung Bae Lee, Hong Ju Hwang
  • Publication number: 20250199554
    Abstract: A voltage regulator may be configured to receive an input voltage at an input and generate an output voltage at an output. The voltage regulator may include a plurality of pass devices coupled in series between the input and the output, wherein a first device of the plurality of pass devices is closer to the input than the other of the plurality of pass devices embedded within a feedback loop of the voltage regulator and a gate bias network configured to bias gates of the plurality of pass devices such that the plurality of pass devices act as a single series device within a first voltage range of the input voltage and act as a series stack of cascode devices with the first device acting as a voltage-controlled current source within a second voltage range of the input voltage higher than the first voltage range and the output voltage is in a protected voltage domain immune from high-voltage transients of the input voltage.
    Type: Application
    Filed: October 2, 2024
    Publication date: June 19, 2025
    Applicant: Cirrus Logic International Semiconductor Ltd.
    Inventors: Christopher M. DOUGHERTY, Seung Bae LEE, Brendan T. DEEMS, Eric J. KING, Anindya BHATTACHARYA
  • Publication number: 20250136388
    Abstract: The present disclosure relates to a cell packaging device. The cell packaging device can include a cell grip unit with a cell grip part including a first member provided with a roller and a second member disposed opposite to the first member at a predetermined interval to provide an insertion space to receive a cell. A gap adjusting part of the cell grip unit can adjust a gap between the first member and the second member. A transport part of the cell packaging unit can transport the cell grip unit.
    Type: Application
    Filed: March 7, 2023
    Publication date: May 1, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seung Jin Hwang, Ju Hwan Baek, Jin Soo Lee, Seung Bae Lee, Won Seok Choi, Seok In Hong, Duk Keun Oh
  • Publication number: 20250120006
    Abstract: A printed circuit board includes a substrate; first and second through-portions penetrating between upper and lower surfaces of the substrate; a magnetic layer disposed in the first through-portion; a voltage regulator disposed in the second through-portion; a first through-hole penetrating between upper and lower surfaces of the magnetic layer; a first insulating layer disposed on the substrate, covering the magnetic layer and the voltage regulator, and filling the second through-portion and the first through-hole; a second through-hole penetrating between upper and lower surfaces of the first insulating layer in the first through-hole; a first wiring pattern disposed on an upper surface of the magnetic layer; a second wiring pattern disposed on a lower surface of the magnetic layer; and a first via pattern disposed in the second through-hole and connecting the first and second wiring patterns to each other.
    Type: Application
    Filed: July 18, 2024
    Publication date: April 10, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Chul CHOI, Seung Bae LEE, Ye Ji KIM, Il Dong KIM, Woo Seok YANG, Ah Yeon IM, Kyoung Seok CHO, Jae Ho LEE
  • Publication number: 20250118788
    Abstract: According to one example of the present disclosure, an electrode assembly manufacturing device may be provided, which comprises: a supply part supplying a packaging separator having a packaging length corresponding to the length of the electrode assembly; a packaging part provided so that the packaging separator supplied from the supply part is divided into a folded region and a reference region where the reference surface of the electrode assembly is seated, adsorbed, and seated, and provided to fold the packaging separator so that the folded region is placed on the opposite side of the electrode assembly facing the reference surface of the electrode assembly; and a sealing part sealing the packaging separator located on the opposite side to the electrode assembly after the packaging separator is folded.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 10, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kwang Un Jo, Ju Hwan Baek, Seung Bae Lee, Jin Soo Lee
  • Publication number: 20250108991
    Abstract: An embodiment of the present disclosure provides a pouch supply apparatus for supplying a sheet-type pouch. The pouch supply apparatus includes a suction unit configured to suction an end of the pouch and unwind a portion of the pouch from a core so that a pouch roll, in which the pouch is wound around the core, is moved in an unwound state and a conveyance unit configured to convey the pouch roll at least during a state in which the pouch roll is unwound by the suction unit. As a result, it is possible to relieve an operator's workload by automatically replacing pouch rolls. Also, pouch rolls are automatically replaced, and thus, it is possible to minimize pouch supply interruption and maximize process efficiency.
    Type: Application
    Filed: January 27, 2023
    Publication date: April 3, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Won Seok Choi, Seung Bae Lee, Ju Hwan Baek
  • Publication number: 20250011119
    Abstract: A pouch roll replacement system comprises a transport part, a replacement chucking part, an unwinder chucking part, a measuring part, and a control part. The transport part transports a replacement pouch roll and is capable of adjusting the central axis height of the replacement pouch roll The replacement chucking part is provided to chuck the replacement pouch roll transported through the transport part and has a predetermined chucking height The unwinder chucking part accommodates a traveling pouch roll and the measuring part measures the distance to the replacement pouch roll seated on the transport part before transporting the replacement pouch roll to the replacement chucking part. The control part controls the transport part so that the central axis height of the replacement pouch roll seated on the transport part is adjusted based on the measurement information of the measuring part and the chucking height of the replacement chucking part.
    Type: Application
    Filed: June 14, 2023
    Publication date: January 9, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seung Bae Lee, Duk Keun Oh, Jin Soo Lee, Ju Hwan Baek, Seok In Hong
  • Publication number: 20240342846
    Abstract: A lead supply system according to an embodiment of the present invention may supply the lead so as to be connected to an electrode tab. The lead supply system may include: a seating part on which the lead is seated; a vision sensor that photographs the lead at an upper side of the seating part; an alignment mechanism that adjusts the seating part so as to align the lead on the basis of vision data photographed by the vision sensor; and a supply device that picks up the lead from the seating part so as to supply the lead to a position at which the lead is connected to the electrode tab.
    Type: Application
    Filed: August 29, 2022
    Publication date: October 17, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Ju Hwan BAEK, Won Seok CHOI, Duk Keun OH, Seung Bae LEE, Seok In HONG, Seung Jin HWANG
  • Publication number: 20240250353
    Abstract: A method for manufacturing a pouch-type secondary battery according to an embodiment of the present invention may include: a first sealing operation of fusing a lead film, which is attached to an electrode lead of an electrode assembly, to a sealing portion of a pouch in which the electrode assembly is accommodated; and a second sealing operation of sealing the sealing portion of the pouch. The first sealing operation may include: a heating process of irradiating with a laser beam a region which is present in the sealing portion of the pouch and corresponds to the lead film, thereby heating the lead film and melting a resin layer of the region; and a bonding process of compressing the region, thereby bonding the lead film and the melted resin layer.
    Type: Application
    Filed: November 3, 2021
    Publication date: July 25, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ju Hwan Baek, Jung Su Oh, Seung Bae Lee
  • Patent number: 11800353
    Abstract: A locking apparatus according to an embodiment includes an approach detector, a signal transmitter, a measurer, and a controller. The approach detector detects an approach of a user carrying a terminal. The signal transmitter transmits a key authentication signal for authenticating a pre-shared digital key to the terminal using first short-range wireless communication when the approach of the user is detected. The measurer connects a session by generating a security channel with the terminal using second short-range wireless communication and measuring at least one of a distance to and an angle with respect to the terminal when the digital key is authenticated through the key authentication signal. The controller determines whether or not to unlock an access facility in accordance with at least one of the distance to and the angle with respect to the terminal.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Hyo Il Lee, Hee Jin Park, Dong Yeol Kim, Jong Soo Park, Seung Bae Lee
  • Patent number: 11782101
    Abstract: A data acquisition system (DAS) for acquiring data from a Hall effect sensor includes one or more state variables, a multiplexer that periodically rotates a signal from the Hall effect sensor, and a controller that resets the one or more state variables in synchronization with rotation of the signal. The state variables may be digital states in a digital memory or voltages of capacitors the controller forces to a reset voltage. The state variables may be included in a noise-shaping SAR ADC, a delta-sigma ADC, a digital filter, an integrator, an analog filter, a VCO, an incremental ADC or an auxiliary ADC-assisted incremental ADC, or an auxiliary ADC of the DAS.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: October 10, 2023
    Assignee: Cirrus Logic, Inc.
    Inventors: Prashanth Drakshapalli, John L. Melanson, Anindya Bhattacharya, Seung Bae Lee
  • Publication number: 20230155215
    Abstract: The present invention relates to a pouch-shaped secondary battery sealing apparatus and a pouch-shaped secondary battery manufacturing method capable of radiating an infrared laser to a sealed portion in an overlapping state, whereby it is possible to increase sealing force, to prevent occurrence of wrinkles, and to reduce sealing time when forming a sealed portion of a pouch-shaped secondary battery case.
    Type: Application
    Filed: February 16, 2021
    Publication date: May 18, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ju Hwan Baek, Seung Bae Lee, Jung Su Oh
  • Publication number: 20220363505
    Abstract: An automatic electrode supply apparatus configured to automatically supply an electrode in various processes for manufacturing a secondary battery includes a first chuck splicing unit including a splicing portion having a traveling electrode located thereon and a second chuck splicing unit including a splicing portion having a standby electrode located thereon, wherein each of the first and second chuck splicing units includes an edge position control (EPC) sensor configured to measure the position of the edge of a corresponding one of the traveling electrode and the standby electrode in order to prevent distortion or fracture defect of the electrode due to positional deviation between the traveling electrode and the standby electrode, and an automatic electrode supply method using the same.
    Type: Application
    Filed: October 8, 2020
    Publication date: November 17, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Young Soo LEE, Jin Soo LEE, Seung Bae LEE, Hong Ju HWANG
  • Patent number: 11487381
    Abstract: An integrated force sensing element includes a piezoelectric sensor formed in an integrated circuit (IC) chip and a strain gauge at least partially overlying the piezoelectric sensor, where the piezoelectric sensor is able to flex. A human-machine interface using the integrated force sensing element is also disclosed and may include a conditioning circuit, temperature gauge, FRAM and a processor core.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: November 1, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Wei-Yan Shih, Steve Kummerl, Mark Stephen Toth, Alok Lohia, Terry Lee Sculley, Seung Bae Lee, Scott Robert Summerfelt
  • Patent number: 11489534
    Abstract: Digital-to-analog converter (DAC) architecture, comprising: a matrix DAC array comprising a plurality of cells arranged in a first dimension and a second dimension, each cell comprising a local decoder configured to transition the cell between at least two states; and decoding circuitry configured to: receive a digital input signal; and control the plurality of local decoders based on a received digital input signal, wherein each incremental change in the digital input signal results in a transition of a single cell of the plurality of cells such that the plurality of cells transition in sequence, the sequence of transitions of the plurality of cells defining a path through the DAC array; wherein when the path proceeds in the first dimension, the path proceeds to an adjacent cell of the plurality of cells at least 50% of the time; and wherein when the path proceeds in the second dimension, the path proceeds to an adjacent cell of the plurality of cells at least 50% of the time.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: November 1, 2022
    Assignee: Cirrus Logic, Inc.
    Inventors: Seung Bae Lee, Sunny Bhagia, Jaiminkumar Mehta, Anindya Bhattacharya, John L. Melanson
  • Publication number: 20220225089
    Abstract: A locking apparatus according to an embodiment includes an approach detector, a signal transmitter, a measurer, and a controller. The approach detector detects an approach of a user carrying a terminal. The signal transmitter transmits a key authentication signal for authenticating a pre-shared digital key to the terminal using first short-range wireless communication when the approach of the user is detected. The measurer connects a session by generating a security channel with the terminal using second short-range wireless communication and measuring at least one of a distance to and an angle with respect to the terminal when the digital key is authenticated through the key authentication signal. The controller determines whether or not to unlock an access facility in accordance with at least one of the distance to and the angle with respect to the terminal.
    Type: Application
    Filed: October 29, 2021
    Publication date: July 14, 2022
    Inventors: Hyo Il LEE, Hee Jin PARK, Dong Yeol KIM, Jong Soo PARK, Seung Bae LEE
  • Publication number: 20220130648
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate includes a process chamber in which a substrate is treated, and a transfer robot that transfers the substrate and a focusing ring provided in a treatment space of the process chamber to the treatment space and having a hand, wherein the process chamber includes a treatment container that provides the treatment space, a chuck having a support surface supporting the substrate in the treatment space, and a lift pin module that lifts a lower surface of the focusing ring in a state in which the substrate is supported by the focusing ring, and the chuck is provided as a blocking plate in which a lift pin hole is not formed.
    Type: Application
    Filed: October 11, 2021
    Publication date: April 28, 2022
    Applicant: SEMES CO., LTD.
    Inventor: Seung Bae LEE