Patents by Inventor Wook Hyun

Wook Hyun 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: 20240136430
    Abstract: A semiconductor device includes a first active pattern including a first lower pattern and first sheet patterns; a second active pattern including a second lower pattern and second sheet patterns, a height of the second lower pattern being smaller than a height of the first lower pattern; a first gate structure on the first lower pattern; a second gate structure on the second lower pattern; a first source/drain pattern on the first lower pattern and connected to the first sheet patterns; and a second source/drain pattern on the second lower pattern and connected to the second sheet patterns, wherein a width of an upper surface of the first lower pattern is different from a width of an upper surface of the second lower pattern, and wherein a number of first sheet patterns is different from a number of second sheet patterns.
    Type: Application
    Filed: May 24, 2023
    Publication date: April 25, 2024
    Inventors: Jongmin SHIN, Wook Hyun KWON, Su-Hyeon KIM, Jun Mo PARK, Kyu Bong CHOI
  • Publication number: 20240100997
    Abstract: A fuel cell vehicle control system and method includes a map storage configured to store a plurality of fuel cell maps regarding power generation of fuel cells of a vehicle, a monitoring unit configured to determine a degree of a charging load and a degree of a discharging load of a battery of the vehicle, and a controller configured to select a fuel cell map from among the fuel cell maps stored in the map storage depending on the degree of the charging load and the degree of the discharging load of the battery of the vehicle, determined by the monitoring unit, and to control power generation of the fuel cells depending on the selected fuel cell map.
    Type: Application
    Filed: January 20, 2023
    Publication date: March 28, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventor: Wook Hyun Han
  • Publication number: 20240097088
    Abstract: A backplane substrate, a display device, and a tiled display device are provided. The backplane substrate of a display device includes subpixels. The backplane substrate includes a support substrate, a circuit layer on a first surface of the support substrate and including pixel drivers corresponding to the subpixels, respectively, an electrode layer on the circuit layer and including an anode and a cathode corresponding to an emission area of each of the subpixels, a bank layer on the circuit layer and corresponding to an area around the emission area of each of the subpixels, and a valley spaced from edges of the support substrate and penetrating at least the bank layer.
    Type: Application
    Filed: August 30, 2023
    Publication date: March 21, 2024
    Inventors: Jin Ho HYUN, Seung Wook KWON, Hee Chang YOON, Hye Min LEE
  • Patent number: 11828420
    Abstract: A device for controlling a charging of a hydrogen tank for a vehicle, may efficiently perform a charging of a hydrogen tank regardless of a hydrogen charging protocol for each charging station configured to supply hydrogen to the hydrogen tank by directly controlling a hydrogen charging speed of the hydrogen tank in a vehicle upon charging the hydrogen tank mounted in the vehicle.
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: November 28, 2023
    Assignees: Hyundai MotorCompany, Kia Corporation
    Inventor: Wook Hyun Han
  • Patent number: 11710963
    Abstract: A power conditioning system (PCS) includes: a grid blackout determiner, a voltage controller, and a processor electrically connected to the grid blackout determiner and the voltage controller. The processor is configured to identify a state of a grid as a blackout state or an unstable state based on at least one of an amplitude or a frequency of a voltage of the grid that is detected by the grid blackout determiner, control the voltage controller to adjust, based on the identified state of the grid being the blackout state or the unstable state, load voltage input to the voltage controller to be equal to a command voltage, and adjust, based on the identified state of the grid being the blackout state or the unstable state, a first frequency of the detected voltage of the grid to a second frequency that is different from the first frequency.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: July 25, 2023
    Assignee: LG Electronics Inc.
    Inventors: Seung Wook Hyun, Chang Jin Lim, Sun Young Park, Jungmin Kim
  • Publication number: 20230146342
    Abstract: Provided is a battery module including a housing having an internal accommodating space and a plurality of battery cells located in the internal accommodating space, wherein the housing includes a welding joint portion in which a first base material of a first alloy and a second base material of a second alloy are welded, the welding joint portion includes a bonding region in which the first base material and the second base material are melt-bonded and a surface region covering the bonding region, and the bonding region and the surface region have different microstructures.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 11, 2023
    Inventors: Hoemin CHEONG, HyunJoon PARK, Majid ABBASI GHARACHEH, Wook Hyun KIM, Tae Hyun KIM
  • Publication number: 20230143801
    Abstract: Provided is a method of manufacturing a battery module including a) aligning a first base material and a second base material, which are welding objects and housing members that are combined with each other to form an internal accommodating space in which a plurality of battery cells are accommodated and b) forming a welding joint portion including a bonding region and a surface region covering the bonding region by irradiating a contact surface between the first base material and the second base material with a laser, the bonding region and the surface region forming the welding joint portion having different microstructures due to different thermal history.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 11, 2023
    Inventors: Hoemin CHEONG, Wook Hyun KIM, Tae Hyun KIM, HYUNJOON PARK, Majid ABBASI GHARACHEH
  • Publication number: 20230024414
    Abstract: A device for controlling a charging of a hydrogen tank for a vehicle, may efficiently perform a charging of a hydrogen tank regardless of a hydrogen charging protocol for each charging station configured to supply hydrogen to the hydrogen tank by directly controlling a hydrogen charging speed of the hydrogen tank in a vehicle upon charging the hydrogen tank mounted in the vehicle.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 26, 2023
    Applicants: Hyundai MotorCompany, Kia Corporation
    Inventor: Wook Hyun HAN
  • Patent number: 11535214
    Abstract: A system of modeling an anti-lock brake system (ABS) controller of a vehicle includes: a vehicle speed estimation network configured to estimate a vehicle speed through machine learning using wheel speed data of each of a plurality of wheels of the vehicle; a wheel speed state estimation network configured to estimate a time series characteristic of the wheel speed through machine learning using information on the wheel speed data and information on whether a brake pedal is depressed; and a classification network configured to estimate a braking mode for controlling an increase, a decrease, or steady state of a braking pressure of each wheel through machine learning using speed estimation data of the vehicle estimated by the vehicle speed estimation network and time series characteristic estimation data of the wheel speed estimated by the wheel speed state estimation network.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: December 27, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Wook Hyun Han
  • Patent number: 11539789
    Abstract: In a multi-source hybrid overlay network including a plurality of peers, an apparatus that recovers missing data occurring in a tree recovery process, acquires data that a peer does not have in a pull method through exchanging buffer maps with a first counterpart peer connected to a primary path recovered in the tree recovery process and at least one second counterpart peer connected to at least one candidate path, and provides data that the first counterpart peer does not have to the first counterpart peer in the push method, when a data recovery policy is a pull method, is provided.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: December 27, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Wook Hyun, Mi Young Huh
  • Publication number: 20220406939
    Abstract: The present disclosure provides a semiconductor device with improved element performance and reliability. The semiconductor device includes a lower insulating layer, a fin-shaped insulating layer that is on the lower insulating layer and extends in a first direction, a field insulating layer that is on the lower insulating layer and extends in the first direction, a plurality of gate structures that are on the fin-shaped insulating layer and include a gate electrode intersecting the fin-shaped insulating layer, a source/drain region that is on the fin-shaped insulating layer and is between the gate structures, and an active pattern that is on the fin-shaped insulating layer and penetrates the gate electrode and is electrically connected to the source/drain region, where the gate electrode extends in a second direction intersecting the first direction.
    Type: Application
    Filed: February 9, 2022
    Publication date: December 22, 2022
    Inventors: Jong Pil Kim, Wook Hyun Kwon
  • Publication number: 20220401297
    Abstract: Disclosed is a chest compression device. The chest compression device includes a back for supporting the back of a patient, a compression part for compressing the chest of the patient, a U-shaped support for supporting the compression part, a pair of driving parts for allowing the support and the compression part connected thereto to perform a vertical reciprocating movement, and a control part for controlling the operation of the pair of driving parts.
    Type: Application
    Filed: November 7, 2020
    Publication date: December 22, 2022
    Inventors: Wook Hyun CHO, Young Beum CHO
  • Patent number: 11509702
    Abstract: A method and an apparatus for selecting and receiving a stream in a distribution network-based multimedia streaming service are disclosed. According to the method, a receiving apparatus receives an index file for a channel from an index server and obtains a time difference between a current time of the receiving apparatus and the start time of the first streaming from the index file. Then, the receiving apparatus selects a fragment including a stream to be received among a plurality of fragments in which multimedia streams are divided and requests the selected fragment.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: November 22, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Changkyu Lee, Wook Hyun
  • Patent number: 11388092
    Abstract: A peer may receive a peer list from a hybrid overlay management server in response to an overlay network participation request of the peer, may select a first peer from the received peer list, may establish a connection with the selected first peer, and may establish a connection with at least one of second peers. Propagation of the overlay network participation request may be initiated by the selected first peer, and each of the second peers may correspond to a peer that receives the propagated overlay network participation request. One of the established connections may be determined as a primary path, and a communication may be performed through the primary path.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: July 12, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Wook Hyun, Mi Young Huh
  • Publication number: 20220069576
    Abstract: A power conditioning system (PCS) includes: a grid blackout determiner, a voltage controller, and a processor electrically connected to the grid blackout determiner and the voltage controller. The processor is configured to identify a state of a grid as a blackout state or an unstable state based on at least one of an amplitude or a frequency of a voltage of the grid that is detected by the grid blackout determiner, control the voltage controller to adjust, based on the identified state of the grid being the blackout state or the unstable state, load voltage input to the voltage controller to be equal to a command voltage, and adjust, based on the identified state of the grid being the blackout state or the unstable state, a first frequency of the detected voltage of the grid to a second frequency that is different from the first frequency.
    Type: Application
    Filed: January 21, 2021
    Publication date: March 3, 2022
    Inventors: Seung Wook HYUN, Chang Jin LIM, Sun Young PARK, Jungmin KIM
  • Patent number: 11232200
    Abstract: An apparatus for selecting a representative token of the present invention includes a token graph generation unit configured to extract a plurality of tokens from a plurality of detection names for malicious files and generate a detection name token graph representing a relationship between the extracted plurality of tokens, and a representative token selection unit configured to select a representative detection name token for the input file based on the detection name token graph.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: January 25, 2022
    Assignee: ESTSECURITY CORP.
    Inventors: Sang Won Kim, Eui Tak Kim, Wook Hyun Jung
  • Publication number: 20210406373
    Abstract: An apparatus for selecting a representative token of the present invention includes a token graph generation unit configured to extract a plurality of tokens from a plurality of detection names for malicious files and generate a detection name token graph representing a relationship between the extracted plurality of tokens, and a representative token selection unit configured to select a representative detection name token for the input file based on the detection name token graph.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 30, 2021
    Inventors: Sang Won KIM, Eui Tak KIM, Wook Hyun JUNG
  • Publication number: 20210320363
    Abstract: Provided are a battery module housing welding method capable of solving a problem that a battery cell accommodated therein is damaged due to heat that occurs during welding, and a battery module manufactured thereby, and according to the battery module housing welding method of the present invention, a gap portion formed during assembling of a battery module housing is welded by lasers with different powers and sizes a plurality of times, thereby preventing damage to a battery cell due to high temperatures during welding of the housing.
    Type: Application
    Filed: April 7, 2021
    Publication date: October 14, 2021
    Inventor: Wook Hyun Kim
  • Publication number: 20210314399
    Abstract: In a multi-source hybrid overlay network including a plurality of peers, an apparatus that recovers missing data occurring in a tree recovery process, acquires data that a peer does not have in a pull method through exchanging buffer maps with a first counterpart peer connected to a primary path recovered in the tree recovery process and at least one second counterpart peer connected to at least one candidate path, and provides data that the first counterpart peer does not have to the first counterpart peer in the push method, when a data recovery policy is a pull method, is provided.
    Type: Application
    Filed: February 25, 2021
    Publication date: October 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Wook HYUN, Mi Young HUH
  • Publication number: 20210171050
    Abstract: A system is provided for evaluating vehicle performance. The system includes a function system model that models an operation of a function system of a vehicle and an operation of which is determined based on a control signal output from a controller within the vehicle. Additionally, the system includes a dynamic model configured to model a behavior of the vehicle based on the operation of the function system model.
    Type: Application
    Filed: August 17, 2020
    Publication date: June 10, 2021
    Inventors: Wook Hyun Han, Kee Young Yang, Il Dong Moon