Patents by Inventor Jeong-Hwan Kim

Jeong-Hwan 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).

  • Publication number: 20250107078
    Abstract: A semiconductor device may include a gate structure including stacked local lines and a multi-step structure, wherein the multi-step structure defines pads of the local lines, channel patterns respectively disposed over the pads, a block word line disposed over the channel patterns and extending along a profile of the multi-step structure, and first contact plugs passing through the channel patterns and respectively connecting the channel patterns and the local lines.
    Type: Application
    Filed: December 21, 2023
    Publication date: March 27, 2025
    Inventors: Seok Min CHOI, Jeong Hwan KIM, Jung Shik JANG, Rho Gyu KWAK, In Su PARK, Na Yeong YANG, Won Geun CHOI, Jung Dal CHOI
  • Publication number: 20250084170
    Abstract: The present invention relates to a bispecific humanized single domain antibody targeting both PD-L1 and CD47, as well as uses thereof. Specifically, a humanized single domain antibody that binds bispecifically to PD-L1 and CD47, which are immune checkpoint proteins, has been developed, and its efficacy has been confirmed both in vitro and in vivo. Therefore, the bispecific humanized single domain antibody can be effectively used as an immune checkpoint inhibitor for immuno-oncology therapy.
    Type: Application
    Filed: November 18, 2024
    Publication date: March 13, 2025
    Inventors: Seung Yong SEONG, Sang Beum LEE, Jeong Hwan KIM
  • Publication number: 20250056796
    Abstract: The present technology includes a memory device and a method of manufacturing the memory device. The memory device includes a memory block in which first and second connection regions and a cell region between the first and second connection regions are designated, a word line included in the memory block, a first drain selection line included in the memory block and positioned on the word line, a first drain contact contacting the first drain selection line of the first connection region, a second drain contact contacting the first drain selection line of the second connection region, and a first drain voltage supply line commonly contacting the first and second drain contacts.
    Type: Application
    Filed: November 27, 2023
    Publication date: February 13, 2025
    Applicant: SK hynix Inc.
    Inventors: Won Geun CHOI, Jeong Hwan KIM, Jung Shik JANG
  • Publication number: 20250019852
    Abstract: A method of controlling physical properties of an electrolytic copper foil according to one embodiment of the present invention includes: controlling the physical properties of the electrolytic copper foil including elongation, tensile strength and roughness by regulating a surface glossiness of the electrolytic copper foil through addition of a surface glossiness agent. The surface glossiness is regulated within a range of 35 to 400 GU (60°).
    Type: Application
    Filed: March 30, 2023
    Publication date: January 16, 2025
    Inventors: Jeong Hwan KIM, Sae Kwon HEO, Gyun HU
  • Publication number: 20250008733
    Abstract: A semiconductor device, and a method of manufacturing the same, includes a gate stack including a plurality of conductive lines extending in a first horizontal direction, a first slit and a second slit passing through the gate stack in a vertical direction and extending in the first horizontal direction, and a plurality of cell plugs extending in the vertical direction orthogonal to the first horizontal direction in the gate stack between the first slit and the second slit. Each of the first slit and the second slit includes a first portion extending in a diagonal direction between the first horizontal direction and a second horizontal direction orthogonal to the first horizontal direction, and a second portion extending in the first horizontal direction.
    Type: Application
    Filed: November 29, 2023
    Publication date: January 2, 2025
    Applicant: SK hynix Inc.
    Inventors: Seok Min CHOI, Jung Shik JANG, Rho Gyu KWAK, Jeong Hwan KIM, In Su PARK, Won Geun CHOI
  • Publication number: 20240420763
    Abstract: The present discloses provides a memory device and a method of operating the memory device. The memory device includes first main plugs formed in a vertical direction over a substrate and arranged in a first direction, second main plugs, third main plugs arranged between the first and second main plugs, the third main plugs adjacent to the first and second main plugs, and bit lines above the first to third main plugs, wherein each of the first to third main plugs includes first and second sub-plugs facing each other, wherein portions of the first and second sub-plugs included in each of the first and third main plugs are coupled to different select lines, and wherein portions of the first and second sub-plugs included in each of the second and third main plugs are coupled to different select lines.
    Type: Application
    Filed: August 23, 2024
    Publication date: December 19, 2024
    Applicant: SK hynix Inc.
    Inventors: Jung Shik JANG, In Su PARK, Woo Pyo JEONG, Jung Dal CHOI, Jae Woong KIM, Jeong Hwan KIM
  • Publication number: 20240420740
    Abstract: A memory device, and a method of manufacturing the same, includes a first select line including a first cell area, a second select line including a second cell area disposed in a first direction from the first cell area, a first separation pattern extending in a second direction intersecting the first direction between the first cell area and the second cell area, second separation patterns extending from both ends of the first separation pattern in the first direction and a third direction opposite the first direction, respectively, and a third separation pattern extending from at least one of the second separation patterns in the second direction, and disposed in a direction opposite the first separation pattern with respect to the at least one second separation pattern.
    Type: Application
    Filed: November 22, 2023
    Publication date: December 19, 2024
    Applicant: SK hynix Inc.
    Inventors: Won Geun CHOI, Jeong Hwan KIM, Jung Shik JANG
  • Publication number: 20240404837
    Abstract: Methods of semiconductor processing may include providing a hydrogen-containing precursor to a processing region of a semiconductor processing chamber. A substrate may be disposed on a substrate support within the processing region. A layer of silicon-and-nitrogen-containing material may be disposed on the substrate. The methods may include forming plasma effluents of the hydrogen-containing precursor. The methods may include contacting the layer of silicon-and-nitrogen-containing material with plasma effluents of the hydrogen-containing precursor. The contacting may etch a portion of the layer of silicon-and-nitrogen-containing material.
    Type: Application
    Filed: May 30, 2023
    Publication date: December 5, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Zhiren Luo, Jeong Hwan Kim, Qian Fu, Abhijeet S. Bagal
  • Publication number: 20240404874
    Abstract: A method of manufacturing a semiconductor device is provided. The method may include forming a stack, forming a preliminary stepped structure by patterning the stack, forming a first stepped structure, a second stepped structure, and an opening located between the first stepped structure and the second stepped structure by etching the preliminary stepped structure, forming a passivation layer that fills the opening and covers the first stepped structure, and forming a third stepped structure by etching the second stepped structure using the passivation layer as an etching barrier.
    Type: Application
    Filed: August 15, 2024
    Publication date: December 5, 2024
    Applicant: SK hynix Inc.
    Inventors: Dong Hun LEE, Jeong Hwan KIM, Mi Seong PARK, Jung Shik JANG, Won Geun CHOI
  • Publication number: 20240395324
    Abstract: A memory device includes: a memory cell array including a plurality of cell plugs; a first slit isolating the memory cell array into a plurality of memory regions, the first slit extending in a first direction; and second slits penetrating the plurality of memory regions, the second slits being arranged to be spaced apart from each other in a second direction intersecting the first direction. Gate lines included in each of the plurality of memory regions may be isolated from each other by the first slit. Each gate line located in the same layer among the gate lines included in each of the plurality of memory regions may extend through a first connection region between the second slits for each corresponding memory region.
    Type: Application
    Filed: November 7, 2023
    Publication date: November 28, 2024
    Applicant: SK hynix Inc.
    Inventors: Seok Min CHOI, Jung Shik JANG, Rho Gyu KWAK, Jeong Hwan KIM, In Su PARK, Won Geun CHOI, Jung Dal CHOI
  • Patent number: 12144195
    Abstract: A display device includes a substrate that includes a display area and a non-display area; a mask support that is disposed in the non-display area of the substrate; a sealant that is disposed in the non-display area of the substrate and is disposed between the mask support and the display area; an insulating layer that is disposed between the sealant and the mask support; and a plurality of grooves that are formed by removing at least a part of the insulating layer.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: November 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Duck Son, Jeong Hwan Kim, Sun Park, Min Chul Shin, Jin Wook Jeong, Myung Koo Hur
  • Publication number: 20240371752
    Abstract: A semiconductor device may include: a first gate structure including a plurality of first conductive layers that are alternately stacked with a plurality of first insulating layers; a second gate structure including a plurality of second conductive layers that are alternately stacked with a plurality of second insulating layers; a third gate structure including third conductive layers that are alternately stacked with a plurality of third insulating layers; and a first contact plug extending into the first gate structure through the third gate structure and the second gate structure, the first contact plug connected to a first of the plurality of first conductive layers, and the first contact plug including a first inflection portion located at an interface between the second gate structure and the third gate structure.
    Type: Application
    Filed: April 8, 2024
    Publication date: November 7, 2024
    Applicant: SK hynix Inc.
    Inventors: Won Geun CHOI, Jung Shik JANG, Rho Gyu KWAK, Seok Min CHOI, Jeong Hwan KIM, Na Yeong YANG, In Su PARK, Jung Dal CHOI
  • Publication number: 20240360578
    Abstract: A method for manufacturing an electrolytic copper foil according to one embodiment of the present disclosure includes: preparing an electrolyte containing copper ion and nickel ion by dissolving copper (Cu) and nickel (Ni) in sulfuric acid; and forming a copper layer by supplying an electric current to a positive plate and a negative electrode rotating drum disposed apart from each other in the electrolyte. The concentration of the nickel ion is 50 ppm to 350 ppm.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 31, 2024
    Inventors: Jeong Hwan KIM, Sae Kwon HEO, Gyun HU
  • Patent number: 12106806
    Abstract: The present discloses provides a memory device and a method of operating the memory device. The memory device includes first main plugs formed in a vertical direction over a substrate and arranged in a first direction, second main plugs, third main plugs arranged between the first and second main plugs, the third main plugs adjacent to the first and second main plugs, and bit lines above the first to third main plugs, wherein each of the first to third main plugs includes first and second sub-plugs facing each other, wherein portions of the first and second sub-plugs included in each of the first and third main plugs are coupled to different select lines, and wherein portions of the first and second sub-plugs included in each of the second and third main plugs are coupled to different select lines.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: October 1, 2024
    Assignee: SK hynix Inc.
    Inventors: Jung Shik Jang, In Su Park, Woo Pyo Jeong, Jung Dal Choi, Jae Woong Kim, Jeong Hwan Kim
  • Patent number: 12105447
    Abstract: An example image forming apparatus includes a power device, a photosensitive drum, a transfer device to remove remaining toner based on a cleaning bias voltage, an optical sensor to detect remaining toner, and a processor to adjust the cleaning bias voltage based on a set offset bias voltage. The processor may change a surface potential of the photosensitive drum to a voltage of a set pattern using the power device, acquire a size ratio of a periodic component based on a frequency of a signal detected from the remaining toner using the optical sensor, and, based on the acquired size ratio of the periodic component being greater than or equal to a set size ratio, adjust the cleaning bias voltage based on an offset bias voltage corresponding to the size ratio of the periodic component and provide the adjusted cleaning bias voltage to the transfer device to remove remaining toner.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: October 1, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jung Hun Song, Do Geun Kim, Jeong Hwan Kim
  • Patent number: 12094762
    Abstract: A method of manufacturing a semiconductor device is provided. The method may include forming a stack, forming a preliminary stepped structure by patterning the stack, forming a first stepped structure, a second stepped structure, and an opening located between the first stepped structure and the second stepped structure by etching the preliminary stepped structure, forming a passivation layer that fills the opening and covers the first stepped structure, and forming a third stepped structure by etching the second stepped structure using the passivation layer as an etching barrier.
    Type: Grant
    Filed: August 15, 2023
    Date of Patent: September 17, 2024
    Assignee: SK hynix Inc.
    Inventors: Dong Hun Lee, Jeong Hwan Kim, Mi Seong Park, Jung Shik Jang, Won Geun Choi
  • Patent number: 12065524
    Abstract: Provided are an ethylene-propylene-diene monomer (EPDM) copolymer and a method of preparing the same. An EPDM copolymer which has more improved miscibility with inorganic fillers such as carbon black, may further facilitate dispersibility in mixing to further decrease the viscosity of a compound composition, and may provide a compound composition having excellent processability and mechanical properties. A method of preparing the same is also provided.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: August 20, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd
    Inventors: Byoung Tak Yim, Byung Jun Kim, Jeong Hwan Kim
  • Publication number: 20240249953
    Abstract: Exemplary methods of semiconductor processing may include providing a fluorine-containing precursor to a processing region of a semiconductor processing chamber. A substrate may be housed within the processing region. The substrate may include a boron-containing material overlying a carbon-containing material. The methods may include generating plasma effluents of the fluorine-containing precursor. The methods may include contacting the substrate with the plasma effluents of the fluorine-containing precursor. The methods may include removing the boron-containing material from the substrate.
    Type: Application
    Filed: January 19, 2023
    Publication date: July 25, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Yeonju Kwak, Jeong Hwan Kim, Qian Fu, Siyu Zhu, Hang Yu, Srinivas Guggilla
  • Patent number: 12048068
    Abstract: Provided is a heating element having a fuse function. The heating element having a fuse function according to an exemplary embodiment of the present invention includes a plurality of heat sources which generate heat when power is applied, a fuse member of which both end portions are physically connected to two heat sources disposed to be spaced apart from each other by a gap to connect the two heat sources in series and which is fused to electrically disconnect the two heat sources when a temperature is higher than or equal to a preset temperature, and an insulating member which surrounds the plurality of heat sources and the fuse member.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: July 23, 2024
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Jeong Hwan Kim, Won San Na, Jin Pyo Park, Jae Yeong Lee, Hyun Chul Lim
  • Patent number: 12009370
    Abstract: A display device includes a metal layer disposed on a substrate; a transistor disposed on the metal layer; and a light emitting element electrically connected to the transistor, wherein the transistor includes a semiconductor layer at least partially overlapping the metal layer, the semiconductor layer includes a first region, a second region, and a channel region disposed between the first region and the second region, and the metal layer overlaps the second region and the channel region and is spaced apart from the first region in a plan view.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Hwan Kim, Yong Duck Son, Min-Sik Jung, Jun Hwi Park, Da Bin Lee, Won Ho Jang