Patents by Inventor Ji-Seok Kim

Ji-Seok Kim 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: 11978901
    Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol % among all elements except for lithium and oxygen.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: May 7, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Yong Seok Lee, Jae Ram Kim, Ji Won Na, Sang Won Bae, Yeon Hwa Song, Ki Joo Eom, Myung Ro Lee, Jae Yeong Lee, Hyun Joong Jang
  • Publication number: 20240147739
    Abstract: A semiconductor memory device comprising a peripheral circuit structure and a cell structure stacked on the peripheral circuit structure, wherein the cell structure includes a cell substrate including a first face facing the peripheral circuit structure and a second face opposite the first face, a first mold stack including a plurality of first gate electrodes sequentially stacked on the first face, and a channel hole extending through the plurality of first gate electrodes. A channel structure includes a gate dielectric film, a semiconductor film, and a variable resistance film sequentially stacked in the channel hole, wherein the semiconductor film includes a sidewall portion intersecting the first face and the plurality of first gate electrodes, and a top plate portion extending from the sidewall portion in the cell substrate in a parallel manner to the first face.
    Type: Application
    Filed: June 13, 2023
    Publication date: May 2, 2024
    Inventors: Ji Hong KIM, Tae-Seok JANG, Hyun-Mook CHOI
  • Patent number: 11974041
    Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body; a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: April 30, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Soo Min Jeong, Ji Sung Kim, Jun Seok Oh
  • Publication number: 20240136187
    Abstract: One embodiment of the present invention provides a method of manufacturing an electronic device using a cyclic doping process including i) an operation of forming a unit transfer thin film including a two-dimensional material on a transfer substrate, ii) an operation of doping the unit transfer thin film in a low-damage doping process, iii) an operation of transferring the unit transfer thin film doped according to the operation ii) on a transfer target substrate, and iv) an operation of repeatedly performing the operations i) to iii) several times to reach a target thickness.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Applicant: Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Geun Young YEOM, Ki Hyun KIM, Ji Eun KANG, Seong Jae YU, You Jin JI, Doo San KIM, Hyun Woo TAK, Yun Jong JANG, Hee Ju KIM, Ki Seok KIM
  • Publication number: 20240136908
    Abstract: The present invention relates to a high-temperature superconducting rotating machine system equipped with a fixed type cryostat and a vaporized cryogen re-use cooling structure.
    Type: Application
    Filed: October 30, 2023
    Publication date: April 25, 2024
    Inventors: Ho Min KIM, Ji Hyung KIM, Yoon Seok CHAE
  • Patent number: 11961177
    Abstract: A method of controlling a display device includes rendering a plurality of viewpoint images, generating a plurality of sub-images based on the plurality of viewpoint images and a plurality of mapping pattern images corresponding to the plurality of viewpoint images, generating a single light-field image based on the plurality of sub-images, and outputting the single light-field image.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 16, 2024
    Assignees: SAMSUNG DISPLAY CO., LTD., MAXST CO., LTD.
    Inventors: Rang Kyun Mok, Ji Young Choi, Gi Seok Kwon, Jae Joong Kwon, Beom Shik Kim, Jae Wan Park
  • Publication number: 20240120511
    Abstract: The present invention relates to a fuel cell humidifier which can prevent condensate water from entering a running fuel cell stack. A fuel cell humidifier according to an embodiment of the present invention comprises: a humidification module; a first cap having an air discharge port for supplying air humidified by the humidification; a second cap having an air inlet port for receiving the air supplied from the outside; a bypass tube for transferring condensate water, which is generated in the interior space of the first cap or flows into the interior space of the first cap from the hollow fiber membranes, to the interior space of the housing where the off-gas flows; and a condensation inducing part extending from the air discharge port to expand the humidified air so as to induce condensation of condensate water while slowing down the speed thereof.
    Type: Application
    Filed: March 3, 2022
    Publication date: April 11, 2024
    Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
  • Publication number: 20240120516
    Abstract: The present invention relates to a fuel cell system capable of adjusting a bypass flow rate, in which the bypass flow rate can be automatically adjusted according to the temperature of an exhaust gas discharged from a fuel cell stack. The fuel cell system capable of adjusting a bypass flow rate, according to an embodiment of the present invention, comprises: an exhaust gas inlet flow path; an exhaust gas discharge flow path; a bypass flow path for bypassing a membrane humidifier to allow at least a portion of an exhaust gas discharged from a fuel cell stack to flow to the exhaust gas discharge flow path; and a bypass flow rate control unit that is formed in the bypass flow path and adjusts the opening degree of the bypass flow path according to the temperature of the exhaust gas discharged from the fuel cell stack.
    Type: Application
    Filed: March 7, 2022
    Publication date: April 11, 2024
    Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
  • Publication number: 20240120386
    Abstract: Disclosed is a power semiconductor device and a manufacturing method thereof and, more particularly, a power semiconductor device and a manufacturing method thereof seeking to capture electrons trapped on one side of a transistor during transistor operation, prevent current collapse effects, and improve reliability consequently by forming or including one or more hole injection regions in a separation space between a gate electrode and a drain electrode.
    Type: Application
    Filed: April 3, 2023
    Publication date: April 11, 2024
    Inventors: Ji Houn JUNG, Dae Il KIM, Han Seok KO, Ung Bi SON
  • Publication number: 20240120588
    Abstract: A battery cell cartridge in which a battery cell is accommodated, includes first, second, third and fourth frames formed in a quadrangular shape, wherein the first frame and the second frame extend along a horizontal direction and are spaced from each other at a predetermined interval therebetween, the first frame is positioned on an upper side and the second frame is positioned on a lower side, the third frame and the fourth frame extend along a vertical direction and are spaced from each other at a predetermined interval therebetween, and the third frame is positioned on a first side and the third frame is positioned on a second side opposite to the second frame.
    Type: Application
    Filed: July 19, 2023
    Publication date: April 11, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Valeo Kapec Co., Ltd.
    Inventors: Hyunchang KANG, Jun Seok Chol, Ji Woong Han, Wan Chol, Houk Park, Jae Eun Kim
  • Patent number: 11951510
    Abstract: There is provided an apparatus for forming a magnetic pigment pattern on an article. The apparatus includes: a magnetic pattern mold having nonmagnetic pattern grooves engraved in a predetermined pattern and providing predetermined magnetic field lines on a pattern-forming object surface of an article by generating magnetism in areas outside the nonmagnetic pattern grooves; and a spray unit spraying an adhesive resin composite containing a ferromagnetic pigment onto the pattern-forming object surface of the article. A predetermined magnetic pigment pattern is formed while the magnetic pigment of the adhesive resin composite that is applied to the pattern-forming object surface of the article is rearranged along magnetic field lines generated by the magnetic pattern mold.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: April 9, 2024
    Assignee: ASSEMS INC.
    Inventors: Ji-Sang Jang, Jae-Jeong Lee, Kyoung-Kyu Kim, Kyung-Seok Choi, Chi-Kyun Park
  • Publication number: 20240113311
    Abstract: The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency, caused by a pressure difference between the inside and the outside of the membrane humidifier. The membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprises: a middle case having a module insertion part formed therein; a cap case coupled to the middle case; a hollow fiber membrane module inserted in the module insertion part; and an active pressure buffer part formed between the middle case and the module insertion part to prevent expansion of the module insertion part due to a pressure difference between the inside and the outside of the middle case or relieve the pressure difference according to output states of the fuel cell.
    Type: Application
    Filed: March 8, 2022
    Publication date: April 4, 2024
    Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
  • 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: 20240105972
    Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a humidification efficiency decrease caused by the pressure difference between the inside and the outside of the membrane humidifier. The fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case in which a module insertion part, including an outer partition wall formed spaced apart from an inner wall of the middle case, is formed; a cap case coupled to the middle case; a hollow fiber membrane module inserted into the module insertion part; and an active pressure buffer part that is formed between the middle case and the module insertion part and prevents the module insertion part from expanding due to the pressure difference between the inside and the outside of the middle case, or resolves the pressure difference, according to the output status of the fuel cell.
    Type: Application
    Filed: March 8, 2022
    Publication date: March 28, 2024
    Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
  • Patent number: 11943987
    Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gak Seok Lee, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Ji Eun Jang, Chang Soon Jang, Sun Kyu Joo, Ha Lim Ji
  • Publication number: 20240099094
    Abstract: A display panel includes a color conversion panel and a light emitting panel, the light emitting panel includes a light emitting device that includes a first electrode, a second electrode, and a blue light emitting unit that includes an organic light emitting layer and is disposed between the first electrode and the second electrode and is configured to emit blue light. The color conversion panel includes a color conversion layer including at least two color conversion regions, and optionally, a partition wall defining that at least two regions, wherein the color conversion region includes a first region corresponding to a green pixel, a second region corresponding to a red pixel, and optionally a third region corresponding to a blue pixel.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 21, 2024
    Inventors: Tae-Gon KIM, Joonghyuk KIM, Seung-Yeon KWAK, Ji Whan KIM, Sunghun LEE, Shin Ae JUN, Deuk Seok CHUNG, Hyeonho CHOI
  • Publication number: 20240088260
    Abstract: A power semiconductor device and a method of manufacturing the power semiconductor device are disclosed. The power semiconductor device includes an isolation region at or in a bather layer in contact with or adjacent to a drain electrode to reduce or prevent current collapse between a gate electrode and the drain electrode.
    Type: Application
    Filed: March 14, 2023
    Publication date: March 14, 2024
    Inventors: Ji Houn JUNG, Dae Il KIM, Han Seok KO, Ung Bi SON
  • 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
  • Patent number: D1024774
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: April 30, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Yoon Seok Na, Seung Pyo Lee, Yul Joong Kim, Ji Yeon Park
  • Patent number: D1024795
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: April 30, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Yoon Seok Na, Seung Pyo Lee, Yul Joong Kim, Ji Yeon Park