Patents by Inventor Ji Hwan Park

Ji Hwan Park 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: 11874482
    Abstract: A camera module includes a lens holder having a hollow region; a first lens unit disposed in the hollow region and including at least one lens; a second lens unit disposed above the lens holder; a circuit board disposed under the lens holder; an adhesion unit disposed between a lower surface of the lens holder and an upper surface of the circuit board and configured to couple the lens holder and the circuit board to each other. The adhesion unit includes an opening and a portion of an internal space formed by a coupling of the circuit board and the lens holder is to be open to an outside through the opening of the adhesion.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: January 16, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Ji Hwan Park, Myoung Jin An, Dong Wook Park
  • Publication number: 20240010192
    Abstract: A device for controlling driving of a vehicle includes a sensor for acquiring state information of the vehicle during autonomous driving, a processor that performs emergency braking when a risk of collision of the vehicle is predicted based on the obtained state information of the vehicle, stores a vehicle event when the vehicle event occurs after the emergency braking is performed, and transitions to a driving mode for resolving the vehicle event when the risk of collision is resolved, and storage for storing an algorithm for an operation of the processor.
    Type: Application
    Filed: January 25, 2023
    Publication date: January 11, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ji Hwan PARK, Chan Hee JUNG, Su Hong CHAE, Young Jin SUNG
  • Publication number: 20230421877
    Abstract: One embodiment relates to a camera module comprising: a housing; a first printed circuit board having an image sensor mounted thereon, and loaded in the housing such that the image sensor is accommodated in the housing; a second printed circuit board and a third printed circuit board sequentially arranged on the lower part of the first printed circuit board in the vertical direction; a support unit arranged in the housing while accommodating the first printed circuit board therein, and having a stepped portion including a first loading portion at which the second printed circuit board is placed and a second loading portion at which the third printed circuit board is placed; and a fixing unit coupled to the housing by penetrating through a first groove portion and a second groove portion, which are respectively formed at the edge parts of the second printed circuit board and the third printed circuit board, and through a third groove portion formed at the edge part of the support unit.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 28, 2023
    Inventors: Ji Hwan Park, Myoung Jin An
  • Patent number: 11856697
    Abstract: A device for fixing a camera module, includes a base part; and a fixing unit including a first fixing part for supporting one side of each of a plurality of boards, and a second fixing part for supporting the other side facing one side of each of the plurality of boards, wherein a plurality of first fixing parts extends in a first direction from the base part, and includes a plurality of protruding parts protruding in the direction perpendicular to the first direction in order to support one side of each of the plurality of boards, and a plurality of second fixing parts extends in the first direction from the base part, and includes a plurality of protruding parts for supporting the other side of each of the plurality of boards.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: December 26, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Sung Kim, Ji Hwan Park, Yong Tae Park, Beom Seok Yu
  • Publication number: 20230407095
    Abstract: Provided is an asphalt modifier for an asphalt mixture and an asphalt mixture containing the same, and more particularly, to an asphalt modifier in which a coating layer containing low-melting-point polyethylene and an inorganic material is formed on a reinforcing fiber bundle. Preferably, the asphalt modifier according to the present disclosure is intended to be mixed with aggregate and an asphalt binder, and comprises: a reinforcing fiber bundle having a length of 8 to 34 mm and composed of a plurality of reinforcing fiber strands; and a coating layer forming the envelope of the reinforcing fiber bundle and comprising polyethylene and an inorganic material.
    Type: Application
    Filed: August 23, 2023
    Publication date: December 21, 2023
    Inventors: Hyeong Su KIM, Chan Heum YEON, Soon Hun PARK, Hyong Ho NAM, Su Ran KIM, Ji Hwan PARK, Seung Hoon SHIN, Young Suk KIM
  • Publication number: 20230400252
    Abstract: A method of processing a substrate includes disposing a substrate in a drying chamber, and supplying a fluid into the drying chamber in which the substrate is disposed. The supplying of the fluid into the drying chamber includes supplying a gas into the drying chamber, and supplying a supercritical fluid into the drying chamber after the supplying of the gas is started.
    Type: Application
    Filed: January 10, 2023
    Publication date: December 14, 2023
    Inventors: SANGJINE PARK, Ji Hwan PARK, KUNTACK LEE
  • Publication number: 20230384681
    Abstract: A substrate processing apparatus includes a wetting apparatus that supplies a fluid onto a substrate, a substrate weight measurement apparatus that measures a weight of the substrate which has passed through the wetting apparatus, and a drying apparatus that dries the substrate which has passed through the substrate weight measurement apparatus. The substrate weight measurement apparatus includes a measurement chamber providing a measurement space, a measurement stage in the measurement chamber, and a weight sensing sensor that senses the weight of the substrate disposed on the measurement stage.
    Type: Application
    Filed: December 7, 2022
    Publication date: November 30, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangjine PARK, Ji Hwan PARK, Kuntack LEE
  • Publication number: 20230382434
    Abstract: A vehicle driving control apparatus includes an input device that receives an input by a driver and a controller that performs control to perform autonomous driving for a predetermined time when there is a second input by the driver to perform the autonomous driving after it is determined that an accelerator pedal or a brake pedal has been pressed based on a first input by the driver. The controller may determine whether to maintain the autonomous driving according to whether there is a third input by the driver within the predetermined time.
    Type: Application
    Filed: September 22, 2022
    Publication date: November 30, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Young Jin Sung, Ji Hwan Park, Su Hong Chae, Chan Hee Jung
  • Patent number: 11785318
    Abstract: One embodiment relates to a camera module comprising: a housing; a first printed circuit board having an image sensor mounted thereon, and loaded in the housing such that the image sensor is accommodated in the housing; a second printed circuit board and a third printed circuit board sequentially arranged on the lower part of the first printed circuit board in the vertical direction; a support unit arranged in the housing while accommodating the first printed circuit board therein, and having a stepped portion including a first loading portion at which the second printed circuit board is placed and a second loading portion at which the third printed circuit board is placed; and a fixing unit coupled to the housing by penetrating through a first groove portion and a second groove portion, which are respectively formed at the edge parts of the second printed circuit board and the third printed circuit board, and through a third groove portion formed at the edge part of the support unit.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: October 10, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Ji Hwan Park, Myoung Jin An
  • Patent number: 11776653
    Abstract: Disclosed is a memory device including an error logic unit suitable for determining whether an error is present in command signals to generate a command error signal; a replica delay circuit suitable for replicating a delay value of the error logic unit and generating an input strobe signal by delaying a strobe signal of the command signals; an output strobe signal generation circuit suitable for generating an output strobe signal activated after a command error latency elapses from a time point at which the command signals are received; and a pipe circuit suitable for receiving and storing the command error signal in response to the input strobe signal and outputting the stored command error signal in response to the output strobe signal.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: October 3, 2023
    Assignee: SK hynix Inc.
    Inventors: Ji Hwan Park, Sang Muk Oh, Byung Kuk Yoon
  • Publication number: 20230278588
    Abstract: An apparatus and a method for controlling an autonomous vehicle for a minimum risk maneuver (MRM) of the autonomous vehicle are provided. A processor provided in the autonomous vehicle performs an MRM including deceleration control and stop control of the autonomous vehicle, determines whether the MRM is completed, determines whether manipulation of a user for vehicle control is not input during a specific time, based on determination that the MRM is completed, and requests a call connection from an external institution, by means of a call controller provided in the autonomous vehicle to control a call with the external institution, when the MRM is completed and when the manipulation of the user for the vehicle control is not input during the specific time. The apparatus improves safety and convenience of an autonomous driving system.
    Type: Application
    Filed: November 5, 2022
    Publication date: September 7, 2023
    Inventors: Young Jin Sung, Dae Young Kim, Ji Hwan Park, Su Hong Chae, Chan Hee Jung
  • Publication number: 20230242767
    Abstract: Provided is an asphalt modifier for an asphalt mixture and an asphalt mixture containing the same, and more particularly, to an asphalt modifier in which a coating layer containing low-melting-point polyethylene and an inorganic material is formed on a reinforcing fiber bundle. Preferably, the asphalt modifier according to the present disclosure is intended to be mixed with aggregate and an asphalt binder, and comprises: a reinforcing fiber bundle having a length of 8 to 34 mm and composed of a plurality of reinforcing fiber strands; and a coating layer forming the envelope of the reinforcing fiber bundle and comprising polyethylene and an inorganic material.
    Type: Application
    Filed: October 19, 2021
    Publication date: August 3, 2023
    Inventors: Hyeong Su KIM, Chan Heum YEON, Soon Hun PARK, Hyong Ho NAM, Su Ran KIM, Ji Hwan PARK, Seung Hoon SHIN, Young Suk KIM
  • Publication number: 20230197481
    Abstract: An apparatus and method for treating a substrate are provided. The apparatus includes at least one first process chamber configured to supply a developer onto the substrate; at least one second process chamber configured to treat the substrate using a supercritical fluid; a transfer chamber configured to transfer the substrate from the at least one first process chamber to the at least one second process chamber, while the developer supplied in the at least one first process chamber remains on the substrate; and a temperature and humidity control system configured to manage temperature and humidity of the transfer chamber by supplying a first gas of constant temperature and humidity into the transfer chamber.
    Type: Application
    Filed: August 22, 2022
    Publication date: June 22, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEMES CO., LTD.
    Inventors: Seung Min SHIN, Sang Jin PARK, Hae Won CHOI, Jang Jin LEE, Ji Hwan PARK, Kun Tack LEE, Koriakin ANTON, Joon Ho WON, Jin Yeong SUNG, Pil Kyun HEO
  • Patent number: 11677342
    Abstract: A method for detecting an initial position of a rotor of a permanent magnet synchronous motor in a no-load environment can comprise the steps of: estimating a temporary initial position ?? by means of aligning a d axis; measuring a first voltage command which is output by performing velocity control within predetermined velocity ranges with respect to the forward direction of a motor on the basis of the temporary initial position ??; measuring a second voltage command which is output by performing velocity control within the predetermined velocity range with respect to the reverse direction of the motor on the basis of the temporary initial position ??; calculating respective variations of the first voltage command and second voltage command, and calculating a compensation angle ??; and calculating an initial position ? of the rotor on the basis of the sum of the temporary initial position ?? and compensation angle ??.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: June 13, 2023
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Geun Ho Lee, Dong Gil Kang, Soon Ho Kwon, Ji Hwan Park, Joon Ik Uhm, Hee Sun Lim, Jung Jun Kim
  • Publication number: 20230156919
    Abstract: A device for fixing a camera module, includes a base part; and a fixing unit including a first fixing part for supporting one side of each of a plurality of boards, and a second fixing part for supporting the other side facing one side of each of the plurality of boards, wherein a plurality of first fixing parts extends in a first direction from the base part, and includes a plurality of protruding parts protruding in the direction perpendicular to the first direction in order to support one side of each of the plurality of boards, and a plurality of second fixing parts extends in the first direction from the base part, and includes a plurality of protruding parts for supporting the other side of each of the plurality of boards.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 18, 2023
    Inventors: Kwang Sung KIM, Ji Hwan PARK, Yong Tae PARK, Beom Seok YU
  • Publication number: 20230131222
    Abstract: A substrate processing apparatus and a substrate processing method are provided, in which a flow rate of CO2 injected into a supercritical drying vessel is controlled through multi-level pressure control. The substrate processing method includes disposing a substrate coated with a chemical liquid in a process chamber, that includes a space in which the substrate is processed; drying the substrate by using a supercritical fluid; and taking the substrate out of the process chamber when the substrate is dried.
    Type: Application
    Filed: July 28, 2022
    Publication date: April 27, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEMES CO., LTD.
    Inventors: Hae Won CHOI, Seung Min Shin, Sang Jine Park, Jae Won Shin, Ji Hwan Park, Kun Tack Lee, Koriakin Anton, Joon Ho Won, Pil Kyun Heo
  • Patent number: 11602052
    Abstract: A device for fixing a camera module, includes a base part; and a fixing unit including a first fixing part for supporting one side of each of a plurality of boards, and a second fixing part for supporting the other side facing one side of each of the plurality of boards, wherein a plurality of first fixing parts extends in a first direction from the base part, and includes a plurality of protruding parts protruding in the direction perpendicular to the first direction in order to support one side of each of the plurality of boards, and a plurality of second fixing parts extends in the first direction from the base part, and includes a plurality of protruding parts for supporting the other side of each of the plurality of boards.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: March 7, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Sung Kim, Ji Hwan Park, Yong Tae Park, Beom Seok Yu
  • Publication number: 20230062952
    Abstract: A semiconductor apparatus includes a command address control circuit. The command address control circuit is configured to receive a row command address signal and a column command address signal, and is configured to selectively invert the row command address signal and the column command address signal based on a logic level of at least one bit of the row command address signal.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 2, 2023
    Applicant: SK hynix Inc.
    Inventors: Se Ra JEONG, Kyung Hoon KIM, Ji Hwan PARK, Ha Jun JEONG, Jae Hoon CHA
  • Publication number: 20230052006
    Abstract: An apparatus for processing a substrate includes a process chamber; a support which is placed inside the process chamber and supports the substrate; a fluid supplier which supplies fluid into the process chamber; and a controller configured to perform a compressing step to bring the fluid into a supercritical phase inside the process chamber, in which the compressing step includes a continuous first section and second section, the fluid supplier includes a first portion and a second portion, and the controller supplies the fluid into the process chamber at a first speed during the first section using the first portion, and supplies the fluid into the process chamber at a second speed higher than the first speed during the second section using the second portion.
    Type: Application
    Filed: March 24, 2022
    Publication date: February 16, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hoon JEONG, Young-Hoo Kim, Sang Jine Park, Ji Hwan Park
  • Publication number: 20230011755
    Abstract: Provided are image signal processing apparatuses and methods for operating the same. In an embodiment, the image signal processing apparatus is configured to receive, from an image sensor device, an input image. The apparatus is further configured to perform a binning and crop operation on the input image to generate a first image. The apparatus is further configured to perform a Bayer domain processing on the first image to generate a second image. The apparatus is further configured to perform RGB domain processing on the second image to generate a third image. The apparatus is further configured to perform YUV domain processing on the third image to generate an output image. The YUV domain processing comprises at least one of a spatial de-noising operation, a temporal de-noising operation, a motion compensation operation, a tone mapping operation, a detail enhance operation, and a sharpening operation.
    Type: Application
    Filed: July 7, 2022
    Publication date: January 12, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungwon CHOI, Ildo Kim, Jongseong Choi, Ji Hwan Park, Ser Hoon Lee, Sukhwan Lim, Kyuyul Choi