Patents by Inventor Dong Ok

Dong Ok 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: 20220221494
    Abstract: Disclosed are a current measurement method for a three-phase pulse width modulation inverter using a real-time switch junction temperature estimation technique, and a three-phase pulse width modulation inverter system. The current measurement method may comprise the steps of: calculating a power loss of a switch of an inverter; estimating the junction temperature (T j) of the switch by using a thermal equivalent circuit; estimating a resistance (R ds on) value between both ends of a drain and a source by using a resistance (R ds on) map based on the junction temperature (T j); and using, as a control signal of the inverter, a current value calculated based on the estimated resistance (R ds on) value.
    Type: Application
    Filed: October 23, 2020
    Publication date: July 14, 2022
    Inventors: Geun Ho LEE, Jae Yeob HWANG, Hee Sun LIM, Dong Gil KANG, Dong Ok KIM
  • Patent number: 11336470
    Abstract: An operation method of a first end node of an Ethernet-based vehicle network is provided. The operation method includes detecting a local event and transitioning an operation state of a physical layer (PHY) of the first end node from a sleep state to a wake-up state. A pseudo PHY identifier (ID) is configured as a PHY ID of the first end node in response to the first end node operating in the wake-up state. A first beacon including the pseudo PHY ID is then transmitted and the first beacon indicates that the first end node operates in the wake-up state.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 17, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Seung Su Kim, Jin Hwa Yun
  • Publication number: 20220140346
    Abstract: Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.
    Type: Application
    Filed: August 20, 2021
    Publication date: May 5, 2022
    Inventors: Young-Gi LEE, Dong Ok SHIN, Yong Min LEE, Seoungwoo BYUN, Juhye SONG, Kwang Man KIM, Dohwan KIM, Ju Young KIM, Jimin OH
  • Patent number: 11320891
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 3, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Publication number: 20220131181
    Abstract: Provided is a method for manufacturing a solid secondary battery, wherein the method includes forming a composite electrolyte film, and forming a positive electrode and a negative electrode respectively on both surfaces of the composite electrolyte film. The forming of a composite electrolyte film includes preparing inorganic ion conductor powder coated with an ion resistance layer, removing the ion resistance layer to expose the surface of the inorganic ion conductor powder, mixing the inorganic ion conductor powder with an organic ion conductor and a solvent to prepare a composite electrolyte solution, and removing the solvent from the composite electrolyte solution.
    Type: Application
    Filed: August 10, 2021
    Publication date: April 28, 2022
    Inventors: Dong Ok SHIN, Young-Gi LEE, Myeong Ju LEE, Seok Hun KANG, Kwang Man KIM, Jumi KIM, Ju Young KIM, Jimin OH
  • Publication number: 20220131150
    Abstract: Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.
    Type: Application
    Filed: August 27, 2021
    Publication date: April 28, 2022
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Young-Gi LEE, Sung You HONG, Min Pyeong KIM, Dong Ok SHIN, Ju Young KIM, Juhye SONG, Ho Seung LEE
  • Publication number: 20220131133
    Abstract: Provided is a composite electrode for an all-solid-state secondary battery including a first active material and a second active material, wherein the first active material and the second active material include different materials from each other, and the content of the first active material is 50 vol % to 98 vol % based on the total volume of the first active material and the second active material, the first active material has a volume change rate of 0 vol % to 30 vol % according to volume expansion/contraction during a charging/discharging process, and the second active material has a volume change rate of 35 vol % to 1000 vol % according to volume expansion/contraction during a charging/discharging process.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Inventors: Ju Young KIM, Young-Gi LEE, Seok Hun KANG, Dong Ok SHIN, Myeong Ju LEE, Kwang Man KIM, Jimin OH
  • Publication number: 20220131233
    Abstract: Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 28, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young-Gi LEE, Ju Young KIM, Seok Hun KANG, Kwang Man KIM, YOUNG SAM PARK, Dong Ok SHIN
  • Patent number: 11314319
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: April 26, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Publication number: 20220091150
    Abstract: The inventive concept provides a wafer type sensor unit which acquires data on a wind direction and a wind velocity of an air flow during processing, the wafer type sensor unit supported by a supporting unit of a substrate processing apparatus. The unit comprising a wafer-shaped circuit board and a hot-wired wind velocity sensor placed apart from an upper surface of the circuit board.
    Type: Application
    Filed: September 23, 2021
    Publication date: March 24, 2022
    Inventors: Yong-Jun SEO, Sang Hyun SON, Ji Su HONG, Jae Myoung LEE, Dong Ok AHN
  • Publication number: 20220072848
    Abstract: Disclosed are an apparatus and a method for quickly and accurately inspecting a droplet on a substrate. An apparatus for inspecting a droplet on a substrate according to an exemplary embodiment of the present disclosure includes: an ultrasonic sensor configured to apply an ultrasonic wave to a droplet on the substrate and detect an ultrasonic wave reflected from the substrate; and a processor configured to acquire a height of the droplet at each position on the substrate on the basis of a signal of the ultrasonic wave reflected from the droplet on the substrate, calculate a volume of the droplet on the basis of the heights of the droplet at the positions, and store or output data in relation to the volume of the droplet. The embodiment of the present disclosure may calculate the volume of the droplet using the ultrasonic wave, thereby quickly and accurately inspecting the droplet on the substrate.
    Type: Application
    Filed: September 5, 2021
    Publication date: March 10, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Kwang Sup KIM, Dong Ok AHN, Jong Min LEE, Jun Ho OH, Ji Hoon YOO, Young Ho PARK
  • Publication number: 20220060867
    Abstract: A method of controlling a low-power operation of a wireless sensor device includes performing a sensor-active step where the wireless sensor device is active during the time taken for a working mode in which the wireless sensor device performs multiple tasks, and performing a sensor-inactive step where a mode of the wireless sensor device is switched to a sleep mode after the working mode is ended. The performing of the sensor-active step includes receiving, after transmitting sensing data of a sensing target to a host device that monitors and controls the wireless sensor device, operation control information stored in the host device from the host device.
    Type: Application
    Filed: October 30, 2020
    Publication date: February 24, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Sang Hyun SON, Yong Jun SEO, Dong Ok AHN
  • Patent number: 11248067
    Abstract: The present invention relates to a hybrid supported metallocene catalyst including at least first metallocene compound, at least one second metallocene compound, at least one cocatalyst compound, and a carrier, a preparation method therefor, and a polyolefin resin polymerized in the presence of the catalyst, wherein the second metallocene compound is a compound of a bridged structure having a ligand of an asymmetric structure, and the polyolefin resin has a density of 0.910 g/cm3 to 0.960 g/cm3, a molecular weight density in a unimodal distribution of 3 to 5, a melt index of 0.05 to 100 at 2.16 kg, and a melt flow rate of 20 to 40.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: February 15, 2022
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Dong Wook Jeong, Dong Ok Kim, Ui Gab Joung
  • Patent number: 11246098
    Abstract: An operation method of a communication node in a vehicle network may include detecting a wake-up event; generating a wake-up signal including an identifier indicating a wake-up reason corresponding to the wake-up event based on a wake-up table, the wake-up table configured for storing the wake-up reason corresponding to the wake-up event, a target communication node configured to be woken up by the wake-up reason, and an operation power configured to be supplied to the target communication node; and transmitting the wake-up signal.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: February 8, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Kang Woon Seo, Jin Hwa Yun
  • Patent number: 11233750
    Abstract: An operation method of a first end node constituting an Ethernet-based vehicle network includes receiving a first beacon from a second end node, the beacon including first configuration information of a first main-cycle including a plurality of sub-cycles each of which includes N time slots; transmitting a signal in a time slot corresponding to an identifier of the first end node among the N time slots within a sub-cycle #k of the plurality of sub-cycles; and transmitting a signal in a time slot corresponding to the identifier of the first end node among the N time slots in a sub-cycle #(k+1) consecutive with the sub-cycle #k of the plurality of sub-cycles.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: January 25, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-University Cooperation Foundation Hanyang University
    Inventors: Jin Hwa Yun, Dong Ok Kim, Byung Joo Kim, Sung Kwon Park
  • Publication number: 20210405895
    Abstract: A data processing apparatus and a vehicle having the same are provided. A data processing apparatus of a vehicle includes: a first memory having a plurality of storage areas to which each address of a plurality of addresses is allocated; and a processor configured to confirm information of data received from a first device, confirm an address corresponding to the received data based on the confirmed information of data, and store the received data in a storage area of the plurality of storage areas corresponding to the confirmed address.
    Type: Application
    Filed: December 18, 2020
    Publication date: December 30, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Dong Ok KIM
  • Publication number: 20210380876
    Abstract: The present invention provides a biological use including a bioplatform and a method for detecting a high-sensitivity biomolecule by providing improved quantum yield (QY) and brightness when detecting biomolecules by preparing nanoparticles, which are doped in multiple quantum dots and have a structure of inorganic core particles, a quantum dot buried layer and a silica/quantum dot composite shell, while maintaining a high occupancy and stable bonding.
    Type: Application
    Filed: September 28, 2018
    Publication date: December 9, 2021
    Inventors: Bong Hyun JUN, Sung Wook YOON, Yoon Sik LEE, Dong Ok CHOI, Xuan Hung PHAM, Tae Han KIM, Jung Won KIM
  • Publication number: 20210377343
    Abstract: An operation method of a first communication node constituting a vehicle network includes transitioning an operation state of the first communication node to a wake-up state when a preconfigured event is detected; determining whether a physical layer collision avoidance (PLCA) function is deactivated; in response to determining that the PLCA function is deactivated, generating a message including an indicator indicating that the PLCA function is deactivated; and transmitting the message.
    Type: Application
    Filed: September 28, 2020
    Publication date: December 2, 2021
    Inventor: Dong Ok KIM
  • Patent number: 11190332
    Abstract: An operation method of a first communication node among a plurality of communication nodes included in an Ethernet-based vehicle network may include steps of measuring a first link delay for performing time synchronization with a second communication node included in the plurality of communication nodes; calculating a difference between the first link delay and an average value of a plurality of link delays measured before the measurement of the first link delay; comparing the calculated difference with a first threshold value for controlling a link delay measurement cycle for the second communication node; and controlling the link delay measurement cycle for the second communication node based on the comparison result.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: November 30, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Patent number: 11190299
    Abstract: An error recovery method performed in an end node of an Ethernet-based vehicle network includes: detecting, by a physical (PHY) layer processor of a PHY layer of the end node, a physical error of a message, when the message is received at the PHY layer of the end node; detecting, by a controller processor of a controller included in the end node, a logical error of the message; and classifying, by the controller processor, types of the physical error and the logical error.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: November 30, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Jin Hwa Yun, Jeong Seok Han