Patents by Inventor Hyun Ahn

Hyun Ahn 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: 20250149606
    Abstract: A multi-module fuel cell system capable of preventing backflow of purged hydrogen may include a plurality of fuel cell modules each including an air compressor, an air inlet valve, an air outlet valve, and a fuel cell stack, a discharge pipe interconnecting air outlet portions of the plurality of fuel cell modules to allow at least one of air or hydrogen discharged from the plurality of fuel cell modules to flow therethrough, and a controller configured to determine whether at least one of the plurality of fuel cell modules requires hydrogen purge, to calculate a purge pressure of a fuel cell module requiring hydrogen purge, and to calculate an air discharge pressure of a remaining fuel cell modules based on the calculated purge pressure.
    Type: Application
    Filed: May 1, 2024
    Publication date: May 8, 2025
    Inventors: Ji Hee Jun, Jai Hyun Ahn, Won Sik Jeong
  • Publication number: 20250104004
    Abstract: A server for supporting delivery service according to the present disclosure includes a data processing unit that generates a minimum unit shipping address in which a shipping address of shipping data is simplified and determines whether the generated minimum unit shipping address is duplicated to generate the simplified shipping address.
    Type: Application
    Filed: December 7, 2024
    Publication date: March 27, 2025
    Inventors: Soon Hyun AHN, Dae Hyun BAEK, Hee Ra JANG
  • Patent number: 12261246
    Abstract: A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Deok Im, Jong Hyuk Kang, Jung Hyun Ahn, Won Ho Lee, Hae Yun Choi
  • Patent number: 12261332
    Abstract: A fuel cell system and the method of controlling the fuel cell system improve next-time startability in the following manner. Hydrogen, air, generation water, and the like that remain inside a large-sized fuel cell system needs to be removed after finishing operation of the large-sized fuel cell system, such as a fuel cell system for generating electric power. To the present end, when an air compressor needs to be operated, one fuel cell module is selected as a power supply module, and an air compressor is operated by the power supply module. Thus, durability of a fuel cell stack is improved, and at the same time, a constant amount of generated electricity necessary to restart the large-sized fuel cell system is ensured.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: March 25, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Jai Hyun Ahn
  • Patent number: 12261160
    Abstract: A display device includes first banks extending in a first direction and that are spaced apart from each other in a second direction intersecting the first direction, a first electrode extending in the first direction and including a first part disposed between the first banks, a second electrode extending in the first direction and including a second part spaced apart from the first part in the second direction and disposed between the first banks, a first dummy pattern disposed on one of the first banks and spaced apart from the first part, a second dummy pattern disposed on another one of the first banks and spaced apart from the second part, and light-emitting elements disposed between the first banks, the light-emitting elements having at least one end portion disposed on one of the first part of the first electrode and the second part of the second electrode.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hoon Park, Jung Hyun Ahn, Hyun Deok Im
  • Publication number: 20250091437
    Abstract: A system for automatically positioning a display relative to an occupant within a vehicle includes a system controller adapted to identify user preferences for a position of the display, an occupant monitoring system adapted to monitor the occupant, a microphone adapted to receive verbal input from the occupant, the system controller further adapted to determine that the occupant is one of reaching toward the display, or viewing the display, and automatically move the display to a first position that is optimal for facilitating physical interaction, by the occupant, with the display when the system controller determines that the occupant is reaching toward the display, and automatically move the display to a second position that is optimal for allowing the occupant to view the display when the system controller determines that the occupant is viewing the display.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 20, 2025
    Inventors: Ki Hyun Ahn, Joseph F. Szczerba
  • Publication number: 20250094808
    Abstract: The method for processing and monitoring a flow signal in real time in accordance with one exemplary embodiment of the present disclosure may include acquiring first physical data for a first fluid moving in a pipe through at least one sensor, normalizing the first physical data for the first fluid and performing recurrent mapping on the normalized first physical data to generate at least one reservoir vector of an artificial neural network, updating a parameter between the at least one reservoir vector and data output through the at least one reservoir vector based on the output data and first label data corresponding to the first physical data for the first fluid, and acquiring a second label of second physical data for a second fluid by applying the at least one reservoir vector to the second physical data based on acquiring the second physical data through the at least one sensor.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 20, 2025
    Inventors: Kyung Hyun AHN, Howon JIN, Seunghoon KANG, Chan Hyeok AHN
  • Patent number: 12248338
    Abstract: A display apparatus includes: a display panel; a first pattern layer on one surface of the display panel; and a second pattern layer facing the one surface with the first pattern layer interposed therebetween, wherein: the first pattern layer comprises a plurality of first patterns each having a closed line shape comprising a first opening; the second pattern layer comprises a plurality of second patterns each having a closed line shape comprising a second opening; on the one surface, each of the first pattern layer and the second pattern layer has a deformation rate which is smaller in a direction perpendicular to a tensile direction than in the tensile direction; and on the one surface, the first openings overlap portions of the second patterns.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: March 11, 2025
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Jaeho Ahn, Taewoong Kim, Jong-Hyun Ahn, Beomjin Kim, Heechang Shin, Jinyeong Choe
  • Publication number: 20250073111
    Abstract: An ankle joint motion assist device may include a foot accommodating portion on which a user's foot may be accommodated; a driver connected to the foot accommodating portion and providing driving force for rotation of the foot accommodating portion; and a connector rotatably connecting the foot accommodating portion and the driver, wherein the connector may include a first connector to which the foot accommodating portion is coupled, and a second connector to which the driver is coupled, the first connector may be rotatably connected to the second connector about a first rotation axis and a second rotation axis, perpendicular to each other, the driver may include a pair of linear motor modules respectively connected to the first connector through a pair of linkers, and both end portions of the pair of linkers may be rotatably connected to the pair of linear motor modules and the first connector.
    Type: Application
    Filed: January 30, 2024
    Publication date: March 6, 2025
    Inventors: Min Woong Jeung, Ju Young Yoon, Kuk Hyun Ahn, Seung Jun Lee, Hyun Seop Lim, Dong Hyun Lee
  • Publication number: 20250064861
    Abstract: The present disclosure relates to cells for intravascular transplantation having hemocompatibility in which the blood coagulation mechanism and thrombosis reaction are inhibited by artificially modifying the F3 gene encoding CD142 that is an initiator of blood coagulation, using gene scissors technology to reduce or suppress the expression or activity of CD142, a method of producing the same, and a use thereof for preventing or treating liver disease and diabetes.
    Type: Application
    Filed: November 12, 2024
    Publication date: February 27, 2025
    Inventors: Jae Young LEE, Chang Hyun AHN, Kang In LEE, Yu Ri CHOI
  • Publication number: 20250054668
    Abstract: A magnet assembly includes a yoke plate disposed on a plane, and a magnetic field generator which is disposed on the yoke plate and includes magnet parts including magnet units, magnetic bodies, and non-magnetic bodies. The magnetic bodies overlap the magnet parts in a plan view. The non-magnetic bodies overlap an area between the magnet units in a plan view. The magnet assembly operates in one of a first mode and a second mode. The magnetic field generator generates a magnetic field below the magnetic bodies and the non-magnetic bodies in the first mode and does not substantially generate the magnetic field below the magnetic bodies and the non-magnetic bodies in the second mode.
    Type: Application
    Filed: May 16, 2024
    Publication date: February 13, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hyun AHN, Jae Suk MOON, Seung Jin LEE
  • Publication number: 20250050278
    Abstract: The present disclosure provides a hollow fiber membrane cartridge capable of preventing fiber breakage of a hollow fiber membrane by uniformly supplying a fluid to the hollow fiber membrane and a hollow fiber membrane module. The hollow fiber membrane is accommodated in the hollow fiber membrane cartridge according to an embodiment of the present disclosure and allows a first fluid and a second fluid to perform moisture exchange, wherein the first fluid flows inside the hollow fiber membrane, and the second fluid introduced from outside flows outside the hollow fiber membrane, an opening through which the second fluid is introduced or discharged is formed in the hollow fiber membrane cartridge, a first portion into which the second fluid is introduced and a second portion having a greater inflow flow rate of the second fluid per unit area than that of the first portion are formed in the opening, and a width of the second portion is less than a width of the first portion.
    Type: Application
    Filed: September 22, 2022
    Publication date: February 13, 2025
    Inventors: Na Hyun AHN, Do Woo KIM, In Ho KIM
  • Publication number: 20250027193
    Abstract: A synthesis method of a 2D material according to the present disclosure includes preparing a substrate; maintaining a first zone of a furnace and a second zone adjacent to the first zone, in which the target substrate is disposed, at a first temperature and a second temperature which is lower than the first temperature; injecting carrier gas, a transition metal precursor, and a chalcogenide precursor into the first zone of the furnace; and depositing transition metal dichalcogenide on the target substrate in the second zone at the second temperature by the chemical vapor deposition.
    Type: Application
    Filed: July 15, 2024
    Publication date: January 23, 2025
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Jong-Hyun AHN, Ahn Tuan HOANG, Beom Jin KIM, Luhing HU
  • Publication number: 20250028157
    Abstract: An electronic device may include a display system and an optical system that are supported by a housing. The optical system may be a catadioptric optical system having one or more lens elements. The optical system may include a wave plate stack with one or more wave plates. The display system may also include a wave plate stack with one or more wave plates. Each wave plate stack may include a positive dispersion quarter wave plate and a positive dispersion half wave plate. Each wave plate stack may include a negative dispersion quarter wave plate and a negative dispersion half wave plate. Each wave plate stack may include a biaxial quarter wave plate and a biaxial half wave plate.
    Type: Application
    Filed: October 4, 2023
    Publication date: January 23, 2025
    Inventors: Seung Hoon Lee, Fuyi Yang, Hanyang Huang, Se Hyun Ahn, Wentao Li, Young Cheol Yang, Zhibing Ge, Dagny Fleischman
  • Publication number: 20240422703
    Abstract: A user equipment (UE) of re-organizing a timing advance group (TAG) is provided. The UE includes: a receiving unit for receiving, from a serving base station, secondary serving cell (SCell) configuration information which includes a first field and a second field, the first field including an ScellIndex of an SCell to indicate a removal of the SCell, the second field including at least one of the ScellIndex to indicate an addition of the SCell and a TAG ID indicating a TAG of the SCell, and a radio resource control (RRC) processing unit for performing the addition of the SCell after performing the removal of the SCell from one or more SCells configured in the UE, and for reorganizing the TAG by including the SCell in the TAG.
    Type: Application
    Filed: August 27, 2024
    Publication date: December 19, 2024
    Inventors: Ki Bum KWON, Jae Hyun AHN, Kang Suk HUH
  • Publication number: 20240390328
    Abstract: The present invention relates to a composition for preventing or treating coronavirus infectious diseases, comprising a compound that binds to G4 structures of coronaviruses. Since the compound according to the present invention can bind to G4 structures of coronaviruses to stabilize the G4 structures, reduce the protein expression of coronaviruses, and effectively inhibit cell infection by viruses, the compound is expected to be used in the prevention or treatment of coronavirus infectious diseases.
    Type: Application
    Filed: September 17, 2021
    Publication date: November 28, 2024
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Kyeong Kyu KIM, Moon Jung SONG, Man-Seong PARK, Jin-Hyun AHN, Maria RAZZAQ, Subramaniyam RAVICHANDRAN, Ji Ho HAN, Jae Hyun KIM
  • Publication number: 20240386798
    Abstract: A system for controlling a traffic signal according to an embodiment of the disclosure includes a template generating unit configured to generate a first template related to a lane and a second template related to an opposite lane of the lane based on object information detected by analyzing a lane image; and a simulation unit configured to display adjacently the first template and the second template
    Type: Application
    Filed: July 26, 2024
    Publication date: November 21, 2024
    Inventor: Soon Hyun AHN
  • Publication number: 20240386796
    Abstract: A system for controlling a traffic signal according to an embodiment of the disclosure includes an object detecting unit configured to detect object information based on a lane image, a capacity calculating unit configured to calculate accumulation capacity of each of objects for each of lanes included in a lane and an opposite lane of the lane based on the object information, an occupancy calculating unit configured to calculate occupancy of the lane and occupancy of the opposite lane based on the accumulation capacity of each of objects, and a cut line setting unit configured to set at least one cut line to the lane and the opposite lane based on the occupancy of the lane and the occupancy of the opposite lane.
    Type: Application
    Filed: July 26, 2024
    Publication date: November 21, 2024
    Inventor: Soon Hyun AHN
  • Patent number: 12136620
    Abstract: Provided are optical devices and systems fabricated, at least in part, via printing-based assembly and integration of device components. In specific embodiments the present invention provides light emitting systems, light collecting systems, light sensing systems and photovoltaic systems comprising printable semiconductor elements, including large area, high performance macroelectronic devices. Optical systems of the present invention comprise semiconductor elements assembled, organized and/or integrated with other device components via printing techniques that exhibit performance characteristics and functionality comparable to single crystalline semiconductor based devices fabricated using conventional high temperature processing methods. Optical systems of the present invention have device geometries and configurations, such as form factors, component densities, and component positions, accessed by printing that provide a range of useful device functionalities.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: November 5, 2024
    Assignees: The Board of Trustees of the University of Illinois, X-Celeprint Limited
    Inventors: John A. Rogers, Ralph Nuzzo, Matthew Meitl, Etienne Menard, Alfred Baca, Michael Motala, Jong-Hyun Ahn, Sang-Il Park, Chang-Jae Yu, Heung Cho Ko, Mark Stoykovich, Jongseung Yoon
  • Patent number: 12128623
    Abstract: An embodiment of the present invention provides a single-particle dispensing device, including: a first syringe containing particles and fluid therein; a particle separating body connected to an outlet end of the first syringe and separating the particles from the fluid; and a container connected to the particle separating body and containing the fluid separated in the particle separating body, wherein the particle separating body includes a rotating body provided with a particle collector collecting the particle and a fluid flow path formed therein, and a fixing body provided with a nozzle discharging the particle and rotatably accommodating the rotating body therein.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: October 29, 2024
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Duck Gyu Lee, Sang Hyun Ahn, Jun Hee Lee, Sua Park, Wan-Doo Kim