Patents by Inventor Dong Chun

Dong Chun 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: 20250116720
    Abstract: A battery diagnosing apparatus includes a resistance measuring unit to measure an internal resistance of each of battery modules including one or more battery cells, and a control unit to receive resistance information about the internal resistance of each of the battery modules from the resistance measuring unit. The control unit sets a first resistance section that includes the internal resistance of each of the battery modules. The control unit sets a second resistance section that includes the internal resistance of some of the battery modules that belongs to the first resistance section but having the internal resistance less than a predetermined amount than those included in the first resistance section, and diagnoses a state of a battery module of which the internal resistance belongs to both the first resistance section and the second resistance section as a normal state among the battery modules.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Ju HONG, Dong-Chun LEE, Geon CHOI, Seog-Jin YOON
  • Patent number: 12271552
    Abstract: A touch sensor includes first touch electrodes, second touch electrodes that form mutual capacitances with the first touch electrodes, and a controller that generates touch data by applying a scan signal to each of scan lines connected to the first touch electrodes during substantially a same time and that receives sensing signals from the second touch electrodes through sensing lines. The controller applies a plurality of multiple pulses and a target pulse as the scan signal to each of the scan lines in a plurality of time periods. Each of the plurality of multiple pulses includes a first pulse and a second pulse of phases opposite to each other. Multiple pulses applied to scan lines adjacent to each other among the scan lines have phases opposite to each other.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: April 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Dong Chun Lee
  • Publication number: 20250101562
    Abstract: Provided is a heat treatment method of an alloy for eco-friendly vehicle parts, the heat treatment method including preparing an aluminum (Al) alloy, performing solid solution treatment on the Al alloy, performing primary cooling to a temperature range of 250° C. to 400° C. after the solid solution treatment is performed, and performing secondary cooling to room temperature after the primary cooling is performed, wherein a cooling rate range of the primary cooling is lower than the cooling rate range of the secondary cooling.
    Type: Application
    Filed: June 7, 2024
    Publication date: March 27, 2025
    Inventors: Soo Bae KIM, Ju Hyun SUN, Lee Cheol JI, Seung Baek YU, Sang Hyuk JUN, Dong Jin SON, Jeong Keun LEE, Dong Chun YUN
  • Publication number: 20250077014
    Abstract: A touch detection circuit includes: a touch sensing unit including a plurality of driving electrodes and a plurality of sensing electrodes arranged to intersect the driving electrodes; first through n-th unique signal generators transmitting first through n-th unique signals, which have different voltage or current characteristics, to bodies of first through n-th users, respectively; at least one motion detection circuit detecting a touch direction and touch position of each of the first through n-th users; and a touch driving circuit driving the driving electrodes and the sensing electrodes to detect touch detection signals and generate touch position coordinate information, wherein the touch driving circuit selects any one user, of the first through n-th users, who performed a touch operation on the touch sensing unit according to a preset priority, and generates and outputs touch position coordinate information according to the touch position of the selected user.
    Type: Application
    Filed: March 6, 2024
    Publication date: March 6, 2025
    Inventor: Dong Chun LEE
  • Patent number: 12210065
    Abstract: Discussed is a battery diagnosing apparatus that can include a resistance measuring unit configured to measure an internal resistance of each of a plurality of battery modules including one or more battery cells, and a control unit configured to receive resistance information about the internal resistance of each of the plurality of battery modules from the resistance measuring unit, calculate a first criterion resistance and an absolute deviation between the first criterion resistance and the internal resistance, convert the calculated absolute deviation into a resistance deviation for the plurality of battery modules based on the resistance information, set a first resistance section based on the calculated first criterion resistance and the calculated resistance deviation, select a part of the plurality of battery modules as a target module based on the resistance information, and calculate a second criterion resistance for the target module based on the resistance information.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: January 28, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Ju Hong, Dong-Chun Lee, Geon Choi, Seog-Jin Yoon
  • Patent number: 12167953
    Abstract: An animal irradiation system includes a radioactive source and an irradiation fixing apparatus having irradiated bodies. The radioactive source includes a beam outlet having a first central axis. Radioactive rays generated by the radioactive source exit from the beam outlet and irradiate the irradiated bodies. The radioactive rays define a main axis around the first central axis. The irradiation fixing apparatus includes a box body, which is divided into multiple accommodating chambers around a second central axis. Each accommodating chamber accommodates an irradiated body. Multiple first irradiation holes corresponding to the accommodating chambers are formed on the box body. The radioactive rays pass through the first irradiation holes and then irradiate the irradiated bodies. A maximum distance from an inner wall of each first irradiation hole to the first central axis is less than a minimum distance from an inner wall of the beam outlet to the first central axis.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: December 17, 2024
    Assignee: NEUBORON MEDTECH LTD.
    Inventors: Dong-chun Wang, Yuan-hao Liu, Hong-feng Ji, Fa-zhi Yan
  • Patent number: 12135356
    Abstract: The present disclosure relates to an apparatus and method for diagnosing a state of a battery pack, and more particularly, to an apparatus and method for diagnosing a state of a battery pack based on a SOC of a battery module included in the battery pack. According to the present disclosure, since the SOC of the battery module corresponding to an induced abnormal situation is estimated and the state of each battery module is diagnosed based on the estimated SOC, a risk factor that may occur in the battery module may be diagnosed in advance.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: November 5, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dong-Chun Lee, Won-Hoe Lee, Seog-Jin Yoon, Suk-Hoon Lee
  • Publication number: 20240310956
    Abstract: A sensor device includes: a sensor panel including sensors arranged in a matrix, and sensor lines electrically connected to the sensors on a one-to-one basis; and a sensor driver configured to receive, using a reference signal having at least two or more duty cycles, sensing signals from the sensors through the sensor lines.
    Type: Application
    Filed: September 13, 2023
    Publication date: September 19, 2024
    Inventors: Jin Woo KIM, Ja Seung KU, Jung Ha SON, Dong Chun LEE, Jin Taek HONG
  • Publication number: 20240274261
    Abstract: Provided are a system, device, and method for controlling rehabilitation of a patient. The system includes a first device configured to create a virtual model for a first user on the basis of physical information of the first user using digital twin technology and a second device configured to visualize the virtual model and provide the visualized virtual model to a second user.
    Type: Application
    Filed: February 8, 2024
    Publication date: August 15, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Su Ran PARK, Hang Kee KIM, Ki Suk LEE, Dong Chun LEE
  • Publication number: 20240231533
    Abstract: A touch sensor includes first touch electrodes, second touch electrodes that form mutual capacitances with the first touch electrodes, and a controller that generates touch data by applying a scan signal to each of scan lines connected to the first touch electrodes during substantially a same time and that receives sensing signals from the second touch electrodes through sensing lines. The controller applies a plurality of multiple pulses and a target pulse as the scan signal to each of the scan lines in a plurality of time periods. Each of the plurality of multiple pulses includes a first pulse and a second pulse of phases opposite to each other. Multiple pulses applied to scan lines adjacent to each other among the scan lines have phases opposite to each other.
    Type: Application
    Filed: June 8, 2023
    Publication date: July 11, 2024
    Inventor: Dong Chun LEE
  • Patent number: 12032028
    Abstract: An apparatus for diagnosing a state of a battery according to an embodiment of the present disclosure includes: a charging and discharging assembly for charging or discharging a battery module; a measurer for measuring a current of the battery module at every predetermined period during a cycle in which the battery module is charged or discharged; and a controller for receiving a measurement value for the current of the battery module from the measuring unit, estimating a state of charge (SOC) of the battery module during the cycle based on the received measurement value, calculating a change rate of the estimated SOC, and determining whether a defect occurs in the battery module based on a comparison result between the calculated change rate of the SOC and a preset reference change rate.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: July 9, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dong-Chun Lee, Seung-Hwan Kim
  • Publication number: 20240168627
    Abstract: A display device includes a display, a touch sensor, and a controller. The touch sensor detects first fingers and second fingers input to a touch sensing area overlapping a display area. The first fingers are located on a user's left hand, and the second fingers are located on a user's right hand. The controller displays a virtual keyboard on the display area when an arrangement of the first fingers and the second fingers corresponds to a predetermined arrangement, and when a sum of the number of the first fingers and the number of the second fingers detected by the touch sensor is greater than or equal to a predetermined reference value.
    Type: Application
    Filed: June 2, 2023
    Publication date: May 23, 2024
    Inventor: Dong Chun LEE
  • Publication number: 20240134477
    Abstract: A touch sensor includes first touch electrodes, second touch electrodes that form mutual capacitances with the first touch electrodes, and a controller that generates touch data by applying a scan signal to each of scan lines connected to the first touch electrodes during substantially a same time and that receives sensing signals from the second touch electrodes through sensing lines. The controller applies a plurality of multiple pulses and a target pulse as the scan signal to each of the scan lines in a plurality of time periods. Each of the plurality of multiple pulses includes a first pulse and a second pulse of phases opposite to each other. Multiple pulses applied to scan lines adjacent to each other among the scan lines have phases opposite to each other.
    Type: Application
    Filed: June 7, 2023
    Publication date: April 25, 2024
    Inventor: Dong Chun LEE
  • Publication number: 20240077973
    Abstract: A sensor device includes: a sensor panel including sensors arranged in a matrix form and sensor lines electrically connected to the sensors one-to-one; and a sensor driver configured to receive sensing signals from the sensors through the sensor lines, wherein the sensor driver is configured to simultaneously receive a first sensing signal from a first sensor using a first reference signal and a second sensing signal from a second sensor using a second reference signal, wherein the first reference signal and the second reference signal have a same waveform, a phase of the second reference signal is different from a phase of the first reference signal, and wherein a phase of the second sensing signal is different from a phase of the first sensing signal.
    Type: Application
    Filed: March 24, 2023
    Publication date: March 7, 2024
    Inventors: Jin Woo KIM, Ja Seung KU, Chang Bum KIM, Dong Chun LEE
  • Publication number: 20240021854
    Abstract: A hydrogen supply system for a fuel cell includes a fuel cell, a hydrogen supply line connected to an inlet side of a fuel-cell anode, and supplying hydrogen to the fuel cell, a pressure sensor provided on the hydrogen supply line, and measuring a pressure of the hydrogen supply line, a discharge line connected to an outlet side of the fuel-cell anode, and communicating with the outside; a discharge valve provided on the discharge line to control communication between the anode of the fuel cell and the outside, and a controller shutting off the discharge valve during an operation of the fuel cell, differently estimating an amount of gas discharged through the discharge line depending on whether choking occurs after the discharge valve is shut off, and correcting the pressure sensor based on the estimated gas discharge amount.
    Type: Application
    Filed: January 19, 2023
    Publication date: January 18, 2024
    Inventors: Jun Young Park, Dong Chun Lee, Jai Hyun Ahn, Ji Hee Jun
  • Patent number: 11835586
    Abstract: A battery management apparatus according to an embodiment of the present disclosure includes a voltage measurer for measuring a voltage of a battery module and output a measured voltage value; a current measurer for measuring a charging current of the battery module and output a measured current value; and a controller for receiving the measured voltage value and the measured current value, estimating a state of charge (SOC) of the battery module based on the measured voltage value and the measured current value, calculating an accumulated change rate by adding up a change rate of the estimated SOC per unit time, and detecting whether the battery module has a defect by comparing the calculated accumulated change rate with a reference change rate.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: December 5, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dong-Chun Lee, Hyo-Seong An, Seog-Jin Yoon
  • Patent number: 11775104
    Abstract: A display device includes: a display unit; and a sensor unit overlapping with the display unit, and including first sensors, and second sensors crossing the first sensors. During a first frame period, the first sensors are to transmit an uplink signal, and the second sensors are to not transmit the uplink signal, and during a second frame period after the first frame period, the second sensors are to transmit the uplink signal, and the first sensors are to not transmit the uplink signal.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Heon Lee, Kyo Won Ku, Jung Hak Kim, Jin Woo Kim, Dong Chun Lee, Byeong Kyu Jeon
  • Publication number: 20230194618
    Abstract: A battery diagnosing apparatus and method capable of diagnosing a state of each battery module based on resistances of a plurality of battery modules are discussed. The state of the battery module may be diagnosed according to whether the measured internal resistance belongs to the first resistance section and the second resistance section, the state of the battery module may be diagnosed with a stricter standard. Accordingly, the diagnosis accuracy for the state of the battery diagnosed by the battery diagnosing apparatus may be improved. The battery diagnosing apparatus can include a resistance measuring unit configured to measure an internal resistance of each of a plurality of battery modules including one or more battery cells, and a control unit configured to receive resistance information about the internal resistance of each of the plurality of battery modules from the resistance measuring unit.
    Type: Application
    Filed: November 3, 2021
    Publication date: June 22, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Ju HONG, Dong-Chun LEE, Geon CHOI, Seog-Jin YOON
  • Publication number: 20230057879
    Abstract: An animal irradiation system includes a radioactive source and an irradiation fixing apparatus having irradiated bodies. The radioactive source includes a beam outlet having a first central axis. Radioactive rays generated by the radioactive source exit from the beam outlet and irradiate the irradiated bodies. The radioactive rays define a main axis around the first central axis. The irradiation fixing apparatus includes a box body, which is divided into multiple accommodating chambers around a second central axis. Each accommodating chamber accommodates an irradiated body. Multiple first irradiation holes corresponding to the accommodating chambers are formed on the box body. The radioactive rays pass through the first irradiation holes and then irradiate the irradiated bodies. A maximum distance from an inner wall of each first irradiation hole to the first central axis is less than a minimum distance from an inner wall of the beam outlet to the first central axis.
    Type: Application
    Filed: October 27, 2022
    Publication date: February 23, 2023
    Inventors: Dong-chun Wang, Yuan-hao Liu, Hong-feng Ji, Fa-zhi Yan
  • Patent number: 11476681
    Abstract: A battery management apparatus according to the present disclosure may include a sensing unit detachably mounted to a battery system and configured to measure a voltage of a cell assembly included in a battery pack, which is electrically connected to another battery pack in parallel, when being mounted to the battery system; a balancing circuit having a balancing resistor connected to a charging and discharging path of the cell assembly in parallel and a balancing switch for electrically connecting or disconnecting the cell assembly and the balancing resistor; and a processor operably coupled to the sensing unit and the balancing circuit.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: October 18, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Ju Hong, Dong-Hyun Kim, Seung-Hwan Kim, Dong-Chun Lee