Patents by Inventor Jeong-Wan Kim

Jeong-Wan 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).

  • Patent number: 11965990
    Abstract: A lidar sensor device according to an embodiment includes a data generation unit that generates light identification data, an optical modulation unit that generates a plurality of modulated signals for the optical identification data by performing orthogonal frequency division multiplexing (OFDM) modulation on the optical identification data and generates a plurality of laser signals respectively corresponding to the plurality of modulated signals and having different frequencies, and a transmission unit that simultaneously transmits the plurality of laser signals to different measurement points according to the frequencies, respectively.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 23, 2024
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jeong Sook Eom, Gun Zung Kim, Yong Wan Park
  • Patent number: 11959971
    Abstract: Disclosed is a method and system for detecting connection failure of a parallel connected cell that provides improved accuracy by first detecting the cell connection failure due to the current interruption device (CID) operation of the battery or opening the parallel connection line for a battery that is being discharged by the operation of an external device, and confirming the first detection result through Direct Current Internal Resistance (DCIR) measurement for the battery.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: April 16, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Jeong Wan Kim
  • Publication number: 20240114709
    Abstract: The quantum dot comprises a ligand which is a copolymer comprising a first repeating unit comprising at least one or more hole transporting functional groups and a second repeating unit comprising at least one or more photocrosslinking functional groups.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 4, 2024
    Applicants: LG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Joona BANG, Ki Seok CHANG, Jeong Min MOON, Soon Shin JUNG, Dong Hoon CHOI, Hyung Jong KIM, Jae Wan KO
  • Publication number: 20240086603
    Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Publication number: 20240012065
    Abstract: There is provided a battery diagnosis apparatus including a calculating unit for calculating degrees of aging of a battery cell and a battery module including the battery cell, a measuring unit for measuring an alternating current (AC) impedance of a battery pack including the battery module, an estimating unit for estimating a state of health (SOH) of the battery pack based on the AC impedance of the battery pack, and a diagnosing unit for diagnosing a state of the battery pack, based on the degree of aging of the battery cell, the degree of aging of the battery module, and the SOH of the battery pack.
    Type: Application
    Filed: October 12, 2021
    Publication date: January 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Jeong Wan KIM
  • Patent number: 11527852
    Abstract: A separable high-voltage connector assembly which can miniaturize a size by individually separating each first pin of a connector mounted on a board to form multiple small connectors and simplify a process and prevent an error that connectors are incorrectly inserted into each other by forming an inserting connector through fastening and assembling each of individually separated second pins.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: December 13, 2022
    Inventor: Jeong Wan Kim
  • Publication number: 20220352561
    Abstract: The present invention relates to a battery pack including a cell switching device of a parallel connection cell and a cell switching method, and more specifically, to a battery pack including a cell switching device that replaces the failed cell with a normal replacement cell if a failed cell occurs due to open parallel connection line or CID operation among battery cells connected in parallel, and a cell switching method.
    Type: Application
    Filed: November 30, 2020
    Publication date: November 3, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Jeong Wan KIM
  • Publication number: 20220291287
    Abstract: A battery management apparatus includes an SOC calculation unit to calculate an SOC of a battery module by using at least one of voltage, current, or temperature measured for the battery module in which a plurality of battery cells are connected in parallel, an SOH calculation unit to calculate an SOH of the battery module based on at least one of the SOC calculated by the SOC calculation unit and the voltage, current, or temperature of the battery module, and a diagnosis unit to calculate a change rate of an SOH using the SOH, and diagnose a state of the battery module using the calculated SOH change rate. The state of the battery module is any one of a normal state, a state including a degenerate battery cell, or a state including a current interrupt device (CID) open battery cell.
    Type: Application
    Filed: July 28, 2020
    Publication date: September 15, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ho Byung Yoon, Young Hwan Kim, Hu Jun Lee, Jeong Wan Kim
  • Publication number: 20220276312
    Abstract: Disclosed is a method and system for detecting connection failure of a parallel connected cell that provides improved accuracy by first detecting the cell connection failure due to the current interruption device (CID) operation of the battery or opening the parallel connection line for a battery that is being discharged by the operation of an external device, and confirming the first detection result through Direct Current Internal Resistance (DCIR) measurement for the battery.
    Type: Application
    Filed: September 24, 2020
    Publication date: September 1, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Jeong Wan KIM
  • Publication number: 20220263332
    Abstract: There is provided a portable battery charging and discharging apparatus connected to a battery to activate the battery, the battery charging and discharging apparatus including a power supply storing power discharged from the battery and supplying the power to the battery and a controller storing the power in the power supply by discharging the battery and charging the battery by continuously supplying the power stored in the power supply to the battery.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 18, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Jeong Wan KIM
  • Publication number: 20220255153
    Abstract: Disclosed is a method and system for detecting connection failure of a parallel connection cell, and for a battery that is being discharged by the operation of an external device, by detecting whether there is a section matching the amount of change in the discharge voltage value when a cell connection failure condition occurs due to a pre-prepared current interruption device (CID) operation or an open parallel connection line from the change in the discharge voltage value of the battery being discharged.
    Type: Application
    Filed: September 24, 2020
    Publication date: August 11, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Jeong Wan KIM
  • Patent number: 11387020
    Abstract: A shunt resistor module which is coupled to a printed circuit board to be used for current measurement, includes: a resistor portion configured to have predetermined resistance; at least two terminal portions configured to extend from opposite ends of the resistor portion; lead pins fixed to first sides of the terminal portions to protrude to be electrically connected to the printed circuit board; and an exterior member formed to at least partially cover first surfaces of the terminal portions and to have pin holes opened to expose the lead pins and screw holes formed to be screwed to the printed circuit board.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: July 12, 2022
    Inventor: Jeong Wan Kim
  • Publication number: 20210375510
    Abstract: A shunt resistor module which is coupled to a printed circuit board to be used for current measurement, includes: a resistor portion configured to have predetermined resistance; at least two terminal portions configured to extend from opposite ends of the resistor portion; lead pins fixed to first sides of the terminal portions to protrude to be electrically connected to the printed circuit board; and an exterior member formed to at least partially cover first surfaces of the terminal portions and to have pin holes opened to expose the lead pins and screw holes formed to be screwed to the printed circuit board.
    Type: Application
    Filed: December 10, 2019
    Publication date: December 2, 2021
    Applicant: LG Chem, Ltd.
    Inventor: Jeong Wan Kim
  • Patent number: 11025022
    Abstract: An adapter for changing pitch of a connector, and a method of manufacturing the same, in which a first pin part and a second pin part, which are electrically connected, are formed at both end portions of a housing forming an exterior appearance of an adapter, so that it is possible to remove a wire harness and the like, which occupies a large volume in existing adapters, and so that it is possible to miniaturize a product by forming an integrated adapter by using fewer components, and to innovatively reduce production costs compared to existing adapter products.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: June 1, 2021
    Inventor: Jeong Wan Kim
  • Patent number: 10966313
    Abstract: Provided is a method of manufacturing a printed circuit board having test points in which test points and pads are formed on the printed circuit board and then are electrically connected to each other, so that it is possible to form the pads having a pitch interval smaller than that in the related art. This may contribute to miniaturization of the printed circuit board by mounting a connector smaller than that in the related art on the printed circuit board, and may enable the preformed test points to be used as they are even after the connector used is removed from the printed circuit board. Also provided is a printed circuit board manufactured thereby.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: March 30, 2021
    Inventor: Jeong Wan Kim
  • Patent number: 10939542
    Abstract: A partially molded substrate and a partial molding apparatus and a method thereof, which cover and mold each of one or more conductors formed on the substrate with the insulator to prevent the sizes of the substrate from being increased due to molding, thereby efficiently preventing high voltage between the conductors on the substrate from being applied, and thereby preventing interference around the conductor.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 2, 2021
    Inventors: Jeong Wan Kim, Hyunki Cho
  • Publication number: 20200412059
    Abstract: A separable high-voltage connector assembly which can miniaturize a size by individually separating each first pin of a connector mounted on a board to form multiple small connectors and simplify a process and prevent an error that connectors are incorrectly inserted into each other by forming an inserting connector through fastening and assembling each of individually separated second pins.
    Type: Application
    Filed: January 18, 2019
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventor: Jeong Wan Kim
  • Publication number: 20200170104
    Abstract: Provided is a method of manufacturing a printed circuit board having test points in which test points and pads are formed on the printed circuit board and then are electrically connected to each other, so that it is possible to form the pads having a pitch interval smaller than that in the related art. This may contribute to miniaturization of the printed circuit board by mounting a connector smaller than that in the related art on the printed circuit board, and may enable the preformed test points to be used as they are even after the connector used is removed from the printed circuit board. Also provided is a printed circuit board manufactured thereby.
    Type: Application
    Filed: January 30, 2019
    Publication date: May 28, 2020
    Applicant: LG Chem, Ltd.
    Inventor: Jeong Wan Kim
  • Publication number: 20200169051
    Abstract: An adapter for changing pitch of a connector, and a method of manufacturing the same, in which a first pin part and a second pin part, which are electrically connected, are formed at both end portions of a housing forming an exterior appearance of an adapter, so that it is possible to remove a wire harness and the like, which occupies a large volume in existing adapters, and so that it is possible to miniaturize a product by forming an integrated adapter by using fewer components, and to innovatively reduce production costs compared to existing adapter products.
    Type: Application
    Filed: January 24, 2019
    Publication date: May 28, 2020
    Applicant: LG Chem, Ltd.
    Inventor: Jeong Wan Kim
  • Publication number: 20200022254
    Abstract: A partially molded substrate and a partial molding apparatus and a method thereof, which cover and mold each of one or more conductors formed on the substrate with the insulator to prevent the sizes of the substrate from being increased due to molding, thereby efficiently preventing high voltage between the conductors on the substrate from being applied, and thereby preventing interference around the conductor.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Wan Kim, Hyunki Cho