Patents by Inventor Ji Hoon Lee

Ji Hoon 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: 20240124301
    Abstract: Disclosed is a single process for producing hydrogen, carbon monoxide, and carbon from methane by forming gas products comprising hydrogen and carbon monoxide, and solid products comprising carbon and an iron-based catalyst from methane in a methane-containing feedstock through pyrolysis route involving auto-thermal reduction in a rotary kiln-type reactor in the presence of an iron-based catalyst and separating and recovering respective products.
    Type: Application
    Filed: September 18, 2023
    Publication date: April 18, 2024
    Inventors: Dong Min YUN, Jung Geun JANG, Ji Hoon LEE, Ye Rhee CHA
  • Publication number: 20240128484
    Abstract: A fuel cell system and a method of controlling the system are provided. The fuel cell system includes: a fuel cell having a plurality of cells to generate power through a reaction between hydrogen supplied to an anode space and oxygen supplied to a cathode space; a power storage device to be charged with power generated by the fuel cell or discharged to supply power; and a controller. The controller recirculates hydrogen, diffused from the anode space to the cathode space, into the anode space by supplying power charged in the power storage device to the fuel cell when the power generation of the fuel cell is stopped. The controller is configured to control whether to supply the power to the fuel cell based on a pressure measured in the anode space and voltages of the cells that constitute the fuel cell.
    Type: Application
    Filed: April 18, 2023
    Publication date: April 18, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ji Hoon Ryu, Jae Sung Ryu, Jong Hyun Lee, Yei Sik Jeon, Young Wook Cheong
  • Patent number: 11963445
    Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electronic element using same; and an electronic device thereof.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: April 16, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Ji Hyun Park, Se Hoon Lee, Jae Wan Jang, Hyung Dong Lee, Yun Suk Lee
  • Publication number: 20240117941
    Abstract: A hydrogen storage system is disclosed and includes a storage unit including a plurality of unit storage containers, in which metal hydride materials are respectively provided in an interior thereof and which are connected to each other in parallel, and a thermal fluid line defining a thermal fluid passage, which passes via the plurality of unit storage containers continuously and through which a thermal fluid flows for heating or cooling the unit storage containers, thereby enhancing a storage performance and an efficiency of the hydrogen.
    Type: Application
    Filed: March 10, 2023
    Publication date: April 11, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ji Hye Park, Won Jung Kim, Kyung Moon Lee, Dong Hoon Nam, Young Jin Cho, Byeong Soo Shin, Ji Hoon Lee, Suk Hoon Hong, Hoon Mo Park, Yong Doo Son
  • Publication number: 20240117930
    Abstract: A hydrogen storage device includes a storage container having an accommodation space in an interior thereof, a first metal hydride material provided in the interior of the storage container and that stores hydrogen, and a second metal hydride material provided in the interior of the storage container and that stores the hydrogen at a pressure that is different from that of the first metal hydride material. An advantageous effect of restraining an excessive rise of a pressure of the storage container and enhancing safety and reliability may be obtained.
    Type: Application
    Filed: March 10, 2023
    Publication date: April 11, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ji Hye Park, Won Jung Kim, Kyung Moon Lee, Dong Hoon Nam, Young Jin Cho, Byeong Soo Shin, Ji Hoon Lee, Suk Hoon Hong, Hoon Mo Park, Yong Doo Son
  • Patent number: 11955076
    Abstract: An example method includes estimating, based on content to be displayed at a display of a mobile computing device at a future time, an amount of power to be used by the display at the future time; selecting, based on the estimated power level, a power converter of a plurality of power converters of the mobile computing device, each of the plurality of power converters optimized for a different output power range; and causing electrical power from the selected power converter to be supplied to the display at the future time.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: April 9, 2024
    Assignee: Google LLC
    Inventors: Ji Hoon Lee, Sun-il Chang, Sang Young Youn
  • Patent number: 11956426
    Abstract: Disclosed herein are a decoding method and apparatus and an encoding method and apparatus for deriving an intra-prediction mode. An intra-prediction mode may be derived using a method for deriving an intra-prediction mode based on a neighbor block of the target block, a method for deriving an intra-prediction mode using signaling of the intra-prediction mode of the target block, or a method for deriving an adaptive intra-prediction mode based on the type of a target slice. An MPM list may be used to derive the intra-prediction mode, and a temporal neighbor block or the like may be used to configure the MPM list.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: April 9, 2024
    Assignees: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Industry-Academia Cooperation Group of Sejong University
    Inventors: Jin-Ho Lee, Jae-Gon Kim, Jung-Won Kang, Do-Hyeon Park, Yung-Lyul Lee, Ha-Hyun Lee, Sung-Chang Lim, Hui-Yong Kim, Ji-Hoon Do, Yong-Uk Yoon
  • Patent number: 11948808
    Abstract: A method for manufacturing a semiconductor device and a semiconductor device produced thereby. For example and without limitation, various aspects of this disclosure provide a method for manufacturing a semiconductor device, and a semiconductor device produced thereby, that comprises an interposer without through silicon vias.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: April 2, 2024
    Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.
    Inventors: Dong Jin Kim, Jin Han Kim, Won Chul Do, Jae Hun Bae, Won Myoung Ki, Dong Hoon Han, Do Hyung Kim, Ji Hun Lee, Jun Hwan Park, Seung Nam Son, Hyun Cho, Curtis Zwenger
  • Patent number: 11950522
    Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: April 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Myoung Sub Kim, Tae Hoon Kim, Beom Seok Lee, Seung Yun Lee, Hwan Jun Zang, Byung Jick Cho, Ji Sun Han
  • Publication number: 20240106030
    Abstract: Provided are a battery module for a secondary battery, and a battery pack including the battery module. In the battery module, battery cells are horizontally stacked.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 28, 2024
    Inventors: Young Sun Choi, Seung Hoon Ju, Ji Seok Lee
  • Publication number: 20240106071
    Abstract: A separator for a secondary battery, including a separator body having a porous structure and a particle type polymer embedded in the separator body. The particle type polymer includes a material having a heat resistance higher than a heat resistance of the separator body, whereby it is possible to provide a thin separator with improved thermal shrinkage.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 28, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung Pil LEE, Ji Hoon RYU, Dong Kyu KIM
  • Publication number: 20240105963
    Abstract: A method for manufacturing a gas diffusion layer for a fuel cell wherein carbon nanotubes are impregnated into Korean paper, thereby enhancing electroconductivity, and a gas diffusion layer manufactured thereby. The method for manufacturing a gas diffusion layer for a fuel cell which is to manufacture a gas diffusion layer as a constituent member of a unit cell in a fuel cell, includes a support preparation step of preparing a support with Korean paper; a dispersion preparation step of dispersing a carbon substance in a solvent to form a dispersion, a coating step of coating the support with the dispersion, and a thermal treatment step of thermally treating the dispersion-coated support to fix the carbon substance to the support.
    Type: Application
    Filed: March 6, 2023
    Publication date: March 28, 2024
    Inventors: Seung Tak Noh, Ji Han Lee, In Seok Lee, Jae Man Park, Won Jong Choi, Choong Hee Kim, Seong Hwang Kim, Jong Hoon Lee, Soo Jin Park, Seul Yi Lee
  • Patent number: 11932545
    Abstract: The present disclosure relates to a method for preparing a mordenite zeolite, the method including crystallizing, at a temperature of 150° C. to 190° C., a gel which includes, in mol based on 1 mol of silica, 0.02 to 0.2 of an alumina precursor, 0.01 to 0.04 of a structure-directing agent, 0.1 to 0.18 of a pH control agent, and 10 to 100 of water. According to the present disclosure, a mordenite zeolite having high particle size uniformity and a particle size controllable while maintaining the particle size uniformity may be prepared.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 19, 2024
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young-Eun Cheon, Yeon-Ho Kim, Sang-Il Lee, Ji-Hoon Lee
  • Publication number: 20240088059
    Abstract: An electronic device structure having a shielding structure includes a substrate with an electronic component electrically connected to the substrate. The shielding structure includes conductive spaced-apart pillar structures that have proximate ends connected to the substrate and distal ends spaced apart from the substrate, and that are laterally spaced apart from the first electronic component. In one embodiment, the conductive pillar structures are conductive wires attached at one end to the substrate with an opposing end extending away from the substrate so that the conductive wires are provided generally perpendicular to the substrate. A package body encapsulates the electronic component and the conductive spaced-apart pillar structures. In one embodiment, the shielding structure further includes a shielding layer disposed adjacent to the package body, which is electrically connected to the conductive spaced-apart pillar structures.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Young Woo LEE, Jae Ung LEE, Byong Jin KIM, EunNaRa CHO, Ji Hoon OH, Young Seok KIM, Jin Young KHIM, Tae Kyeong HWANG, Jin Seong KIM, Gi Jung KIM
  • Publication number: 20240090326
    Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound can be a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).
    Type: Application
    Filed: September 26, 2023
    Publication date: March 14, 2024
    Applicants: LG DISPLAY CO., LTD, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Kyung-Jin YOON, Dae-Wi YOON, Ji-Ae LEE, Su-Na CHOI, Dong-Hoon CHOI, Min-Ju CHO, JiWon YOON
  • Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Publication number: 20240079547
    Abstract: The present invention relates to electrode slurry coating apparatus and method, the present invention ultimately allowing the process efficiency to be increased and rate of errors to be reduced when double-layer structured active material layers are formed by temporally adjusting the height of first and second discharge outlets through which active material is discharged.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 7, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Taek Soo Lee, Young Joon Jo, Sang Hoon Choy, Ki Tae Kim, Ji Hee Yoon, Cheol Woo Kim
  • Patent number: 11922883
    Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Tae Jeong, Min Ku Lee, Ji Hyun Ka, Tae Hoon Kwon, Seung Kyu Lee, Seung Ji Cha
  • Patent number: 11923213
    Abstract: Proposed is a substrate heating unit including: a laser generator providing a laser beam for heating a substrate; and a beam shaper processing the laser beam from the laser generator and selectively providing one of a first beam having a uniform energy distribution and a second beam having an edge-enhanced energy distribution to the substrate.
    Type: Grant
    Filed: December 20, 2020
    Date of Patent: March 5, 2024
    Assignee: SEMES CO., LTD.
    Inventors: Tae Shin Kim, Young Dae Chung, Ji Hoon Jeong, Jee Young Lee, Won Geun Kim
  • Patent number: 11918531
    Abstract: Provided is a thermotherapy device, which includes a first housing (10), a second housing (20) disposed under the first housing (10), a transfer plate (30), at both sides of which transfer rollers (31) are provided, and a pair of guide rails (40) that is provided to the second housing (20) and on which the respective transfer rollers (31) of the transfer plate (30) are placed. The pair of guide rails (40) are integrally molded when the second housing (20) is injection-molded. Thus, since the guide rails on which the transfer rollers of the transfer plate travel are integrally molded when the second housing is injection-molded, inefficiency caused by mounting separate rails as in the related art is removed, and thereby assemblability, productivity, and economic efficiency of the thermotherapy device can be improved.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: March 5, 2024
    Assignee: Ceragem Co., Ltd.
    Inventors: Dong Myoung Lee, Sang Min Lee, Ho Sang Yu, Ji Hoon Park, Sang Ui Choi