Patents by Inventor Dong-Hwi Lee

Dong-Hwi 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: 20240097112
    Abstract: A positive electrode for a lithium secondary battery includes a positive electrode collector, a first positive electrode active material layer formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer formed on the first positive electrode active material layer and includes a second positive electrode active material. The first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm % or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.
    Type: Application
    Filed: February 25, 2022
    Publication date: March 21, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
  • 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: 20240072244
    Abstract: A positive electrode active material for a lithium secondary battery comprising lithium transition metal oxide particles having a core-shell structure which includes a core portion and a shell portion disposed on a surface of the core portion. Wherein, the average crystallite size of the core portion is smaller than an average crystallite size of the shell portion and an amount of nickel among total transition metals included in the core portion and the shell portion is 80 atm % or more. A positive electrode active material, which suppresses decomposition of an electrolyte solution and occurrence of micro cracks of the positive electrode active material during charge and discharge by forming an average crystallite size of a core portion of the high-nickel positive electrode active material smaller than an average crystallite size of a shell portion, and a method of preparing the same.
    Type: Application
    Filed: February 24, 2022
    Publication date: February 29, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
  • Publication number: 20240051554
    Abstract: The present disclosure relates to a vehicle control apparatus and a method thereof. An exemplary embodiment of the present disclosure may provide a vehicle control apparatus that includes: a first controller configured to control one or more safety features of a vehicle; a second controller configured to perform primary control of autonomous driving of the vehicle; and a third controller configured to perform secondary control of the autonomous driving of the vehicle. The first controller may be further configured to determine whether the second controller or the third controller fails during the autonomous driving of the vehicle, and, based on determining that the second controller of the third controller has failed, perform an autonomous driving function of the vehicle.
    Type: Application
    Filed: February 3, 2023
    Publication date: February 15, 2024
    Inventors: Sung Yeon Ko, Dong Hwi Lee, Kyoung Jun Lee, Keon Yup Chu
  • Patent number: 11858515
    Abstract: An embodiment driving control method includes determining whether a turning section is present ahead along a driving route of a host vehicle, determining a first turning radius with respect to a center of the host vehicle in response to determining that the turning section is present, determining, based on the first turning radius, a second turning radius required to prevent the host vehicle from deviating from a lane to an inside in a turning direction, determining a third turning radius with respect to an inner rear wheel in consideration of an overall width of the host vehicle, and controlling the host vehicle to travel along the driving route or to travel along a corrected route generated by correcting the driving route based on relative sizes of the second turning radius and the third turning radius.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: January 2, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Chang Young Jung, Su Jin Han, Keon Chang Lee, Dong Hwi Lee, Chan Il Park
  • Publication number: 20230331219
    Abstract: An autonomous driving control system and a method thereof are provided. The autonomous driving control system includes a strategy performing device that generates and performs a stop strategy of a vehicle on the basis of a target stop location, when a critical situation occurs during autonomous driving, a behavior controller that controls a behavior of the vehicle depending on the stop strategy, and an emergency module controller that runs a predetermined emergency module, when the critical situation occurs.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 19, 2023
    Inventors: Keon Chang Lee, Dong Hwi Lee, Su Jung Yoo
  • Patent number: 11667280
    Abstract: An autonomous driving control system and a method thereof are provided. The autonomous driving control system includes a strategy performing device that generates and performs a stop strategy of a vehicle on the basis of a target stop location, when a critical situation occurs during autonomous driving, a behavior controller that controls a behavior of the vehicle depending on the stop strategy, and an emergency module controller that runs a predetermined emergency module, when the critical situation occurs.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: June 6, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Dong Hwi Lee, Keon Chang Lee, Su Jung Yoo
  • Patent number: 11550317
    Abstract: An apparatus for controlling to enable an autonomous system in a vehicle is provided. The apparatus includes a sensor, an input device configured to receive an input from a driver of the vehicle, an output device configured to output a notification in the vehicle, and a control circuit configured to be electrically connected with the sensor, the input device, and the output device. The control circuit is configured to activate an autonomous control in response to an input of the driver to the input device, detect a critical situation of the vehicle using the sensor, output a notification to transfer a control authority using the output device in response to the detected critical situation, and automatically reactivate the autonomous control when the critical situation is solved after temporarily releasing the autonomous control, when the critical situation corresponds to a critical situation of a specified type.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: January 10, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Hwi Lee, Su Jung Yoo, Jin Su Jeong, Jae Young Jeon
  • Patent number: 11498590
    Abstract: A method for controlling autonomous driving in an autonomous vehicle includes: determining whether a human driver is in a forward gaze state under an autonomous driving mode, setting a first steering wheel torque threshold and a first torque holding time, based on a result of determining whether the human driver is in the forward gaze state, determining whether human driver intervention has occurred, based on the first steering wheel torque threshold and the first torque holding time, and switching the autonomous driving mode to a manual driving mode when the human driver intervention has occurred.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: November 15, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Hwi Lee, Su Jung Yoo
  • Patent number: 11492016
    Abstract: A method for controlling autonomous driving in an autonomous vehicle includes detecting a situation in which autonomous driving is impossible while the vehicle operates in an autonomous driving mode, outputting a control-right handover request warning alarm and then activating a minimal risk maneuver driving mode, determining a human driver gaze validity based on the detected situation, determining a human driver intervention validity upon determination that the human driver gaze is valid, and determining control-right handover of the autonomous vehicle based on the human driver intervention validity. Thus, the control-right may be reliably transferred from a system to a human driver.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 8, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Su Jung Yoo, Dong Hwi Lee
  • Patent number: 11487282
    Abstract: An apparatus for controlling to enable an autonomous system in a vehicle is provided. The apparatus includes a sensor, an input device configured to receive an input from a driver of the vehicle, an output device configured to output a notification in the vehicle, and a control circuit configured to be electrically connected with the sensor, the input device, and the output device. The control circuit is configured to activate an autonomous control in response to an input of the driver to the input device, detect a critical situation of the vehicle using the sensor, output a notification to transfer a control authority using the output device in response to the detected critical situation, and automatically reactivate the autonomous control when the critical situation is solved after temporarily releasing the autonomous control, when the critical situation corresponds to a critical situation of a specified type.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: November 1, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Hwi Lee, Su Jung Yoo, Jin Su Jeong, Jae Young Jeon
  • Patent number: 11386675
    Abstract: A vehicle may include a camera for capturing a region around the vehicle, a positioning sensor for measuring a position of the vehicle, a database for storing a precise map, and a learning data generating apparatus for generating data for learning based on the captured region, the position of the vehicle, and the precise map.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: July 12, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Su Hong Chae, Jun Soo Kim, Seung Yong Lee, Dong Hwi Lee
  • Patent number: 11370458
    Abstract: An apparatus for deciding a steering intent of a driver is provided. The apparatus includes a processor configured to determine whether a driver intends to steer a vehicle based on sensing results of a stabilization state of a vehicle and whether a hand of the driver is positioned on a steering wheel of the vehicle, and a memory configured to store a preset reference value to determine the steering intent of the driver.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: June 28, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Chang Young Jung, Keon Chang Lee, Chan Il Park, Na Eun Yang, Dong Hwi Lee
  • Patent number: 11351989
    Abstract: A vehicle driving controller, a system including the same, and a method thereof are provided. The vehicle driving controller includes a processor configured to apply a different warning level depending on at least one of a driving situation or a user state during autonomous driving and to provide a notification of a control authority transition demand to a user and a storage configured to store information associated with the driving situation and the user state and information associated with the different warning level.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: June 7, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Su Jung Yoo, Dong Hwi Lee, Jin Su Jeong, Jae Yong Jeon
  • Patent number: 11318932
    Abstract: A vehicle driving controller, a system including the same, and a method thereof are provided. The vehicle driving controller includes a processor configured to apply a different warning level depending on at least one of a driving situation or a user state during autonomous driving and to provide a notification of a control authority transition demand to a user and a storage configured to store information associated with the driving situation and the user state and information associated with the different warning level.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: May 3, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Su Jung Yoo, Dong Hwi Lee, Jin Su Jeong, Jae Yong Jeon
  • Publication number: 20220111847
    Abstract: An embodiment driving control method includes determining whether a turning section is present ahead along a driving route of a host vehicle, determining a first turning radius with respect to a center of the host vehicle in response to determining that the turning section is present, determining, based on the first turning radius, a second turning radius required to prevent the host vehicle from deviating from a lane to an inside in a turning direction, determining a third turning radius with respect to an inner rear wheel in consideration of an overall width of the host vehicle, and controlling the host vehicle to travel along the driving route or to travel along a corrected route generated by correcting the driving route based on relative sizes of the second turning radius and the third turning radius.
    Type: Application
    Filed: October 14, 2021
    Publication date: April 14, 2022
    Inventors: Chang Young Jung, Su Jin Han, Keon Chang Lee, Dong Hwi Lee, Chan Il Park
  • Publication number: 20220032905
    Abstract: An autonomous driving control system and a method thereof are provided. The autonomous driving control system includes a strategy performing device that generates and performs a stop strategy of a vehicle on the basis of a target stop location, when a critical situation occurs during autonomous driving, a behavior controller that controls a behavior of the vehicle depending on the stop strategy, and an emergency module controller that runs a predetermined emergency module, when the critical situation occurs.
    Type: Application
    Filed: November 17, 2020
    Publication date: February 3, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Hwi LEE, Keon Chang LEE, Su Jung YOO
  • Publication number: 20210380145
    Abstract: A method for controlling autonomous driving in an autonomous vehicle includes detecting a situation in which autonomous driving is impossible while the vehicle operates in an autonomous driving mode, outputting a control-right handover request warning alarm and then activating a minimal risk maneuver driving mode, determining a human driver gaze validity based on the detected situation, determining a human driver intervention validity upon determination that the human driver gaze is valid, and determining control-right handover of the autonomous vehicle based on the human driver intervention validity. Thus, the control-right may be reliably transferred from a system to a human driver.
    Type: Application
    Filed: September 24, 2020
    Publication date: December 9, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Su Jung YOO, Dong Hwi LEE
  • Publication number: 20210370985
    Abstract: An autonomous driving control method for an autonomous driving vehicle is provided. The method may include entering a control transfer standby state when an autonomous driving release button input is detected in an autonomous driving mode, determining whether a driver intervenes in the control transfer standby state, and when the driver is determined to intervene in the control transfer standby state, terminating the control transfer standby state to enter a manual driving mode.
    Type: Application
    Filed: September 3, 2020
    Publication date: December 2, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Hwi LEE, Su Jung YOO
  • Patent number: 11173912
    Abstract: An apparatus for providing a safety strategy in a vehicle is provided. The apparatus includes a sensor configured to sense information about an external object and a control circuit configured to be electrically connected with the sensor. The control circuit is configured to initiate a minimum risk strategy (MRM), when a predetermined condition is met, to determine a lateral location of the vehicle based on information obtained by the sensor and a location of a driving lane of the vehicle on a road, and to move the vehicle to the determined lateral location while executing the MRM.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: November 16, 2021
    Assignees: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Su Jung Yoo, Jun Soo Kim, Dong Hwi Lee, Jin Su Jeong