Patents by Inventor Dong Jun Lee

Dong Jun 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).

  • Publication number: 20250018810
    Abstract: The present disclosure relates to techniques for diagnosing a relay in a vehicle on-board charger (OBC), and an apparatus for diagnosing a relay in a vehicle OBC according to an exemplary embodiment may include first to third voltage sensors configured to measure phase-specific voltages for AC inputs to the relay circuit unit, fourth and fifth voltage sensors configured to measure line voltages for AC outputs from the relay circuit unit, and a diagnosis module configured to diagnose the relay circuit unit, based on the phase-specific voltages measured by the first to third voltage sensors and based on the line voltages measured by the fourth and fifth voltage sensors.
    Type: Application
    Filed: November 14, 2023
    Publication date: January 16, 2025
    Inventors: Young Jin Jang, Sung Hwan Kim, Won Yong Sung, Dong Jun Lee, Hye Seung Kim
  • Publication number: 20240405606
    Abstract: The present disclosure relates to a long range wireless charging system for vehicle, and may include a wireless charging module including a power transmitting unit installed on one side of a vehicle body which transmits a wireless power signal and a seat power receiving unit installed on one side of a seat, which receives the wireless power signal from the power transmitting unit.
    Type: Application
    Filed: May 21, 2024
    Publication date: December 5, 2024
    Applicant: DAEWONSANUP CO., LTD.
    Inventors: Hyuk KIM, Won Ho CHANG, Dong Jun LEE, Han Jin KIM
  • Publication number: 20240405560
    Abstract: A battery charging device includes: a bidirectional charger having a charge and discharge port and a discharge port and connected to a battery, wherein the bidirectional charger includes a power factor correction circuit having first, second, and third legs; and a controller. The controller is configured to switch the first and third legs so that the bidirectional charger outputs a power of the battery to the charge and discharge port when a first battery discharge mode is performed, and to switch the second and third legs so that the bidirectional charger outputs the power of the battery to the discharge port when a second battery discharge mode is performed.
    Type: Application
    Filed: October 3, 2023
    Publication date: December 5, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Young Jin Jang, Sung Hwan Kim, Won Yong Sung, Dong Jun Lee, Hye Seung Kim
  • Publication number: 20240395989
    Abstract: A display device includes a substrate. A pixel electrode is disposed on the substrate. The pixel electrode has one or more grooves defined therein. Light emitting elements are respectively disposed in the one or more grooves.
    Type: Application
    Filed: February 29, 2024
    Publication date: November 28, 2024
    Inventors: Ji Wook MOON, Jong Moo HUH, Ju Yon LEE, Min Woo KIM, Dong Jun LEE
  • Patent number: 12139029
    Abstract: A vehicle battery charging system includes a main battery, an auxiliary battery, an integrated converter that includes a high voltage charging device that supplies power to the main battery and a low voltage charging device that supplies power to the auxiliary battery, a solar cell that converts sunlight into electrical energy, a solar cell converter that converts an output of the solar cell into a voltage corresponding to a voltage of the auxiliary battery and outputs the converted voltage to the auxiliary battery, and a switching device that switches between the integrated converter and external power and the integrated converter and the solar cell, wherein the switching device connects the integrated converter and the solar cell in a solar cell only charging mode in which the auxiliary battery is charged by the solar cell.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: November 12, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Young Jin Jang, Sung Hwan Kim, Won Yong Sung, Dong Jun Lee, Hye Seung Kim
  • Patent number: 12122157
    Abstract: An embodiment of the present invention provides an inkjet head including: a head body having a storage chamber capable of storing ink; a first inlet pipe and a second inlet pipe connected to the head body and which extend in first different directions and inject the ink in the first different directions; a first outlet pipe and a second outlet pipe connected to the head body and which extend in second different directions and eject the ink in the second different directions; and a nozzle plate positioned under the head body and which includes a plurality of nozzles.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: October 22, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Jun Lee, Che Ho Lim, Kang Soo Han, Ho-Yong Shin, Gyeong Eun Eoh, Jun Hwi Lim
  • Publication number: 20240298618
    Abstract: The present disclosure relates to an upstream of mTORC2 (UT2) gene-deficient mouse model and a method of screening therapeutic agents for myeloid leukemia using the same, wherein it was found that the onset of myeloid leukemia and proliferation of myeloid leukemia cells were more facilitated in UT2 gene-deficient mice and UT2 genetic scissor (Cripsr/Cas9)-deficient myeloid leukemia cell lines. In addition, it was found that the survival rate of patients with low expression of UT2 was low in myeloid leukemia patients, while expression of UT2 was low in cells of actual myeloid leukemia patients.
    Type: Application
    Filed: May 3, 2024
    Publication date: September 12, 2024
    Applicant: PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Dong Jun LEE, Soo Yeon WOO, Hee Seon CHOI
  • Publication number: 20240253360
    Abstract: An inkjet printing apparatus, method of printing ink using the same and method of fabricating display device are provided. The method of printing ink includes: ejecting ink in which a plurality of particles is dispersed from an inkjet head; irradiating the ejected ink with a first light and a second light having different wavelengths to acquire data on a first exit light and a second exit light emitted from the ink; calculating a concentration of the particles in the ink from the data on the first exit light and the second exit light; and checking whether the concentration is out of an error range from a reference value, where the first light has a wavelength of about 500 nm or less, and the second light has a wavelength of about 1000 nm or more.
    Type: Application
    Filed: February 29, 2024
    Publication date: August 1, 2024
    Inventors: Dong Jun LEE, Che Ho LIM, Ho Yong SHIN, Gyeong Eun EOH, Jun Hwi LIM, Seon Uk LEE
  • Publication number: 20240234398
    Abstract: A display device includes an active area and a peripheral area adjacent to at least a portion of the active area; a base layer; a backplane layer disposed on the base layer; and a light-emitting-element layer disposed on the backplane layer, and including a light emitting element. The backplane layer includes a lower backplane layer, an outer via layer disposed on the lower backplane layer, and an outer passivation layer disposed on the outer via layer. The outer passivation layer includes a first outer passivation layer exposing the outer via layer through a hole in the active area, and a second outer passivation layer not exposing the outer via layer in the peripheral area.
    Type: Application
    Filed: September 20, 2023
    Publication date: July 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Su JIN, Gil Tae KANG, Yun Su GU, Dong Jun LEE
  • Publication number: 20240235236
    Abstract: An embodiment method of controlling a bidirectional charging system includes operating a power supply mode to supply alternating current (AC) power to an external device connected to a vehicle, performing real-time current control to limit output current to a preset first current level or less during the power supply mode, determining that the real-time current control is not possible, in response to determining that the real-time current control is not possible, suspending the power supply mode temporarily, and resuming the power supply mode from a zero-crossing point of the AC power existing within a preset reference time from a time point at which the power supply mode is temporarily suspended.
    Type: Application
    Filed: July 6, 2023
    Publication date: July 11, 2024
    Inventors: Young Jin Jang, Sung Uk Park, Chul Soon Kim, Jae Hyun Kim, Dong Jun Lee, Won Yong Sung
  • Publication number: 20240117146
    Abstract: A polyamide resin composition using a recycled carbon fiber to establish reasonable manufacturing costs. The polyamide resin composition has excellent processability and can be used for injection molding, so that molded products with various structures can be made from the polyamide resin composition. In addition, good mechanical properties of the polyamide resin composition enable applications in various fields.
    Type: Application
    Filed: June 30, 2023
    Publication date: April 11, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOLON PLASTICS, INC.
    Inventors: Dong Jun Lee, Gi Bong Chung, Soo Yeon Park
  • Patent number: 11919317
    Abstract: An inkjet printing apparatus, method of printing ink using the same and method of fabricating display device are provided. The method of printing ink includes: ejecting ink in which a plurality of particles is dispersed from an inkjet head; irradiating the ejected ink with a first light and a second light having different wavelengths to acquire data on a first exit light and a second exit light emitted from the ink; calculating a concentration of the particles in the ink from the data on the first exit light and the second exit light; and checking whether the concentration is out of an error range from a reference value, where the first light has a wavelength of about 500 nm or less, and the second light has a wavelength of about 1000 nm or more.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Jun Lee, Che Ho Lim, Ho Yong Shin, Gyeong Eun Eoh, Jun Hwi Lim, Seon Uk Lee
  • Publication number: 20240068832
    Abstract: A method and an apparatus are provided for a displaying a route in a first electronic device. A first message is received from a second electronic device. First position information included in the first message is identified. The first position information includes position information of the second electronic device. A user input for selecting the first message from a plurality of messages is received. Position information of the first electronic device is calculated. Route information between a start position and a destination position is received from a navigation server. The start position corresponds to the position information of the first electronic device and the destination position corresponds to the position information of the second electronic device. Based at least on receiving the route information from the navigation server, a route representing the received route information between the start position and the destination position is displayed on the first electronic device.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 29, 2024
    Inventor: Dong-Jun LEE
  • Publication number: 20240025305
    Abstract: Disclosed are a system and method for controlling a seat for a vehicle. In particular, the system includes a seat positioned in a vehicle, a motor embedded in the seat and configured to adjust an operation of the seat, a Hall sensor configured to sense an operation of the motor, and a controller configured to measure a pulse width according to the operation of the motor by means of the Hall sensor and determine whether jamming occurs during the operation of the seat based on the measured pulse width.
    Type: Application
    Filed: March 21, 2023
    Publication date: January 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DAE WON SAN UP CO., LTD
    Inventors: Kug Hun Han, Yo Han Kim, Dong Hoon Lee, Jang Sung Chun, Dae Yong JANG, Si Hyung Song, Dong Jun Lee, Han Jin Kim, Jae Myung Hur, Won Ho Chang
  • Patent number: 11828612
    Abstract: A method and an apparatus are provided for a displaying a route in a first electronic device. A message is received from a second electronic device. Based on analyzing the received message, first location information including address information inputted from a user of the second electronic device is identified in the received message. The first location information is obtained from the received message. Second location information of the first electronic device is obtained. A start location is set to the obtained second location information and the destination location is set to the selected address information. Based on obtaining route information between the start location and the destination location, a route representing the obtained route information between the start location and the destination location is displayed on a display of the first electronic device.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: November 28, 2023
    Inventor: Dong-Jun Lee
  • Patent number: 11655847
    Abstract: An air foil journal bearing can entirely restrain movement of a buffer member, which is provided inside a bearing housing in a direction of a shaft of the bearing. The air foil journal bearing includes: the bearing housing having a hollow part into which the shaft is inserted, wherein a first stopping groove is formed at an inner circumferential surface of the hollow part and a second stopping groove is formed at the inner circumferential surface of the hollow part along at least a part of an entire circumference of the hollow part; a top foil provided in the hollow part and configured to have a shape covering the shaft; and the buffer member provided between the hollow part and the top foil and elastically supporting the top foil.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: May 23, 2023
    Assignee: Hyundai Wia Corporation
    Inventor: Dong Jun Lee
  • Publication number: 20230134046
    Abstract: An embodiment of the present invention provides an inkjet head including: a head body having a storage chamber capable of storing ink; a first inlet pipe and a second inlet pipe connected to the head body and which extend in first different directions and inject the ink in the first different directions; a first outlet pipe and a second outlet pipe connected to the head body and which extend in second different directions and eject the ink in the second different directions; and a nozzle plate positioned under the head body and which includes a plurality of nozzles.
    Type: Application
    Filed: July 20, 2022
    Publication date: May 4, 2023
    Inventors: Dong Jun LEE, Che Ho LIM, Kang Soo HAN, Ho-Yong SHIN, Gyeong Eun EOH, Jun Hwi LIM
  • Patent number: 11624771
    Abstract: The present disclosure provides an apparatus for illumination inspection of micro LEDs. An apparatus for illumination inspection of micro LEDs includes a surface-contact probe making a surface contact, through an electrical resistive material, with a front surface of an LED assembly of multiple micro LEDs arranged forwardly and interconnecting LED electrodes at both ends of the micro LEDs, probe electrodes to be in line contact with one side and the other side of the surface-contact probe for supplying electric power, an imaging unit for photographing the LED assembly from an opposite surface of the surface-contact probe, to where the surface-contact probe is contacted, and a control unit for supplying electric power to the probe electrodes forwardly along the micro LEDs as aligned and for inspecting the micro LEDs illumination based on images of the LED assembly photographed by the imaging unit before and after supplying the electric power.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: April 11, 2023
    Assignee: Microinspection, Inc.
    Inventors: Tak Eun, Ho Hack Kim, Beom Jin Kim, Dong Jun Lee
  • Publication number: 20230091299
    Abstract: An apparatus for controlling a wireless charger for a vehicle includes a communication device to receive an input from a user and information on the vehicle, and a controller to employ one of a first driving duty ratio of a cooling fan set based on the information on the vehicle, a second driving duty ratio of the cooling fan set based on the input from the user, or a third driving duty ratio of the cooling fan set through auto-tuning operation to operate the cooling fan, to enhance charging performance of the wireless charger while minimizing the feeling of the user bothered due to operating noise of a cooling fan.
    Type: Application
    Filed: April 4, 2022
    Publication date: March 23, 2023
    Inventor: Dong Jun Lee
  • Publication number: 20230064213
    Abstract: A method of manufacturing a secondary battery, which includes: electrochemically charging a pre-lithiation cell including a positive electrode. The positive electrode comprises a positive electrode active material comprising a lithium manganese-based oxide and a lithium metal counter electrode. The electrochemical charging over-lithiates the positive electrode to form an over-lithiated positive electrode. Then, separating the over-lithiated positive electrode from the pre-lithiation cell and fabricating a secondary battery including the over-lithiated positive electrode and a negative electrode including a negative electrode active material; subjecting the secondary battery to a first charging to form a first-charged secondary battery; resting the first-charged secondary battery; and subjecting the rested secondary battery to a second charging. The maximum voltage of the secondary battery in the first charging is lower than the maximum voltage of the secondary battery in the second charging.
    Type: Application
    Filed: May 18, 2021
    Publication date: March 2, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun Ok JUNG, Dong Jun LEE, Su Yong SHIN, Kwang Ho YOO