Patents by Inventor Ju-Hyun Kim

Ju-Hyun 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: 12042787
    Abstract: In the present disclosure, a heterogeneous nickel-based oligomerization catalyst in which nickel in the form of single atom is loaded on an Al-mesoporous silicate support by ion exchange and a method for producing the same, and a method for oligomerizing light olefins, specifically C4 olefins using the catalyst are described.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: July 23, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Jae Suk Choi, Ka Young Kim, Hee Soo Kim, Ju Hwan Im, Dae Hyun Choo, Ho Won Lee, Je Mi Lim
  • Publication number: 20240243431
    Abstract: The present invention provides a method of manufacturing a separator, which includes: (a) manufacturing a base film by extruding and stretching a composition that includes a crosslinkable polyolefin in which a silane-based compound is grafted to a first polyolefin, a non-crosslinkable polyolefin consisting of a second polyolefin, and a pore-forming agent; (b) applying a crosslinking catalyst to the surface of the base film while extracting the pore-forming agent from the base film by applying a solution including the crosslinking catalyst and an extraction solvent to the base film; and (c) crosslinking the crosslinkable polyolefin while removing the extraction solvent remaining on the base film by applying heat and steam to the base film.
    Type: Application
    Filed: March 28, 2024
    Publication date: July 18, 2024
    Applicants: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Byung Hyun KIM, Pyung Yong PARK, Kuk Jin CHO, Yeong Hoon CHOI, Ju Ho LEE, Kwang Ho CHOI
  • Publication number: 20240224564
    Abstract: A quantum dot device including an anode and a cathode, a light emitting layer disposed between the anode and the cathode, the light emitting layer comprising quantum dots, a first hole auxiliary layer disposed on the anode, the first hole auxiliary layer including poly(3,4-ethylenedioxythiophene)-polystyrenesulfonate or a derivative thereof (PEDOT:PSS), a second hole auxiliary layer disposed on the first hole auxiliary layer and including a hole transport material different from the PEDOT:PSS, wherein the light emitting layer is disposed on the second hole auxiliary layer, wherein the first hole auxiliary layer has a first surface facing the anode and a second surface facing the second hole auxiliary layer, and the second surface includes a surface modification region including a surface modification material having a carboxylic acid group, a phosphonic acid group, a sulfonic acid group, or a salt thereof. An electronic device that includes the quantum dot device.
    Type: Application
    Filed: November 17, 2023
    Publication date: July 4, 2024
    Inventors: Won Sik YOON, Ju Hyun KIM, Ha Il KWON, Kwang Hee KIM, Taehyung KIM, Su Jin PARK, Dae Young CHUNG
  • Publication number: 20240213478
    Abstract: An anode for secondary battery including an anode current collector; a first layer including a binder and contacting at least one cross-section of the anode current collector in a thickness direction; and a second layer including an anode active material and contacting one cross-section of the first layer in a thickness direction. An end portion of the first layer in a width direction perpendicular to the thickness direction protrudes more than an end portion of the second layer in a width direction.
    Type: Application
    Filed: December 22, 2023
    Publication date: June 27, 2024
    Inventors: Dong Hoon Lee, Ju Hyun Kim
  • Patent number: 12018889
    Abstract: The present invention relates to a method for drying an electrode plate capable of solving an electrode plate overdrying problem and a drying uniformity deterioration problem due to a pressure change by including: a supply air volume setting step of setting an initial supply air volume introduced into a drier to a target air volume or less; an exhaust air volume setting step of setting an initial exhaust air volume to a numerical value corresponding to the initial supply air volume set in the supply air volume setting step; and an air volume adjusting step of increasing a supply air volume and an exhaust air volume from the initial air volumes set in the supply air volume setting step and the exhaust air volume setting step to designated target air volumes for a predetermined time, and a system for drying an electrode plate capable of effectively implementing the same.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: June 25, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Hwa Lee, Sung Woo Kim, Hoe Sun Jeong, Ju Hyun Kim
  • Patent number: 11995002
    Abstract: A byte-addressable electronic device is provided. The electronic device includes a volatile memory device, a mapping table storing address information of the volatile memory device corresponding to address information of a non-volatile storage device, and information indicating whether a command related to data access is processed in relation to the address information of the volatile memory device, and a controller connected to a host processor, the volatile memory device, and the non-volatile storage device, and configured to process commands related to data access received from the host processor based on the mapping table.
    Type: Grant
    Filed: January 10, 2024
    Date of Patent: May 28, 2024
    Assignee: METISX CO., LTD.
    Inventors: Jae Wan Yeon, Ju Hyun Kim, Gayoung Lee
  • Publication number: 20240164129
    Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; a quantum dot layer disposed between the first electrode and the second electrode and including a plurality of quantum dots; optionally, an electron transport layer between the quantum dot layer and the second electrode; wherein the quantum dot layer is configured to emit first light. The electroluminescent device further includes a first layer including an inorganic nanoparticle between the quantum dot layer and the first electrode, and inorganic nanoparticle includes a metal chalcogenide including a Group II metal and a chalcogen element. The inorganic nanoparticle has a size of greater than or equal to about 0.5 nanometers and less than or equal to about 30 nanometers.
    Type: Application
    Filed: November 14, 2023
    Publication date: May 16, 2024
    Inventors: Kwang Hee KIM, Yuho WON, Jae Yong LEE, Oul CHO, Ha Il KWON, Ju Hyun KIM, Won Sik YOON, Taehyung KIM
  • Patent number: 11953553
    Abstract: The present disclosure relates to a contact point monitoring device for a vacuum circuit breaker, and a correction method performed through same, wherein deviations due to temperature in a sensor for monitoring the amount of wear at a contact point may be compensated for. According to the present disclosure, the amount of wear at the contact point may be accurately detected by correcting a characteristic value of a photosensor according to operation temperature, by taking into consideration the temperature characteristics of the photosensor.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: April 9, 2024
    Assignee: LS ELECTRIC CO., LTD.
    Inventors: Hyun-Wook Lee, Ju-Hyun Kim
  • Patent number: 11940910
    Abstract: As one aspect of the present disclosure, a byte-addressable device is disclosed. The device may include: a volatile memory device; and a controller configured to be connected with a host processor, the volatile memory device, and a non-volatile storage device, wherein the controller may be further configured to communicate with the volatile memory device and the non-volatile storage device based on address information included in a request received from the host processor.
    Type: Grant
    Filed: October 6, 2023
    Date of Patent: March 26, 2024
    Assignee: METISX CO., LTD.
    Inventors: Ju Hyun Kim, Jin Yeong Kim, Do Hun Kim
  • Patent number: 11928054
    Abstract: As one aspect of the present disclosure, an electronic device is disclosed. The device may include: a volatile memory device; and a controller configured to be connected with a host processor and the volatile memory device, wherein the controller may be further configured to receive a request related to data access from the host processor, determine whether data corresponding to address information is compressed based on the address information included in the request, and communicate with the volatile memory device and process the request based on a result of determining whether the data is compressed.
    Type: Grant
    Filed: October 5, 2023
    Date of Patent: March 12, 2024
    Assignee: METISX CO., LTD.
    Inventors: Ju Hyun Kim, Jin Yeong Kim, Jae Wan Yeon
  • Patent number: 11875184
    Abstract: A method for translating memory addresses in a manycore system is provided, which is executed by one or more processors, and includes receiving identification information of a thread accessing a memory associated with one or more cores of a cluster that includes a plurality of cores, receiving a virtual address of data accessed by the thread, and determining a physical address of data in the memory based on the virtual address and the identification information of the thread.
    Type: Grant
    Filed: September 26, 2023
    Date of Patent: January 16, 2024
    Assignee: MetisX CO., Ltd.
    Inventors: Ju Hyun Kim, Jae Wan Yeon, Kwang Sun Lee
  • Publication number: 20230420632
    Abstract: Provided is a manufacturing method of an electrode for secondary battery, the method comprising: forming a coating layer on a current collector; obtaining an offset value representing a height difference in the width direction of the coating layer; moving a shielding device to a position where the offset value is less than a reference value; and drying the coating layer.
    Type: Application
    Filed: June 14, 2023
    Publication date: December 28, 2023
    Inventor: Ju Hyun KIM
  • Publication number: 20230409228
    Abstract: An operation method includes buffering data chunks to be programmed in the multi-level cells in a write buffer; backing up at least one backup data chunk of the data chunks to a backup memory; determining a program sequence of the data chunks, the program sequence for programming a non-backup data chunk among the data chunks to the multi-level cells through a second step program operation of the multi-step program operation; and controlling the memory device to program the data chunks in the multi-level cells, based on the program sequence, by performing first and second step program operations of the multi-step program operation in a first page of the multi-level cells, the second step program operation performed in the first page later than another first step program operation performed in a second page subsequent to the first page.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 21, 2023
    Inventors: Jae Wan YEON, Do Hun KIM, Ju Hyun KIM, Jin Yeong KIM
  • Publication number: 20230379566
    Abstract: A camera system of a mobile device includes: a sensor module disposed in a first body connected to a rotation member of the mobile device; and a lens module disposed in a second body connected to the rotation member. When the first body and the second body are rotated with respect to the rotation member to overlap each other, optical axes of the sensor module and the lens module correspond to each other and are operated as a common camera system, and the common camera system provides a first photographing mode and a second photographing mode with different viewing angles based on two focuses generated by a first geometry phase lens included in the lens module.
    Type: Application
    Filed: July 25, 2023
    Publication date: November 23, 2023
    Inventors: Chang-Kun LEE, Hyun Seok CHOI, Ju Hyun KIM, Hong-Seok LEE
  • Publication number: 20230333750
    Abstract: A memory system includes a memory device including a first memory block used for power-loss data protection and a controller coupled to the memory device. The controller includes a hardware layer and a firmware layer. The hardware layer checks whether at least one write data entry belongs to a programmable range in the memory device after power loss occurs, determines whether a logical address associated with the at least one write data entry is repeated, and programs the at least one write data entry in the first memory block.
    Type: Application
    Filed: October 3, 2022
    Publication date: October 19, 2023
    Inventors: Jin Pyo KIM, Ju Hyun KIM, Jong Soon PARK, Woong Sik SHIN, Woo Young YANG
  • Patent number: 11788691
    Abstract: A hidden lighting lamp uses a color conversion material and is applied to a vehicle. A color conversion member is spaced apart from a light source by a light source air gap (La) such that the color conversion member is integrally engaged with a lens for projecting light of the light source to the outside or such that the color conversion member is spaced apart from the lens by a lens air gap (Lb). Hidden lighting without deterioration of optical efficiency of LED light from the light source is thereby implemented. One or more of a black painting, a coating layer, an application layer, and a deposition layer are provided, thereby providing concealment of the lamp inner space of the lens, anti-peeling of a deposit, and diversity of fluorescent color.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: October 17, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI MOBIS CO., LTD.
    Inventors: Seung-Pyo Hong, Yun-Min Cho, Ju-Hyun Kim, Chang-Hwan Oh, Jung-Woo Shin, Dong-Joo Park, Han-Soo Park
  • Patent number: 11789637
    Abstract: An operation method includes buffering data chunks to be programmed in the multi-level cells in a write buffer; backing up at least one backup data chunk of the data chunks to a backup memory; determining a program sequence of the data chunks, the program sequence for programming a non-backup data chunk among the data chunks to the multi-level cells through a second step program operation of the multi-step program operation; and controlling the memory device to program the data chunks in the multi-level cells, based on the program sequence, by performing first and second step program operations of the multi-step program operation in a first page of the multi-level cells, the second step program operation performed in the first page later than another first step program operation performed in a second page subsequent to the first page.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: October 17, 2023
    Assignee: SK hynix Inc.
    Inventors: Jae Wan Yeon, Do Hun Kim, Ju Hyun Kim, Jin Yeong Kim
  • Patent number: 11758258
    Abstract: A camera system of a mobile device includes: a sensor module disposed in a first body connected to a rotation member of the mobile device; and a lens module disposed in a second body connected to the rotation member. When the first body and the second body are rotated with respect to the rotation member to overlap each other, optical axes of the sensor module and the lens module correspond to each other and are operated as a common camera system, and the common camera system provides a first photographing mode and a second photographing mode with different viewing angles based on two focuses generated by a first geometry phase lens included in the lens module.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Kun Lee, Hyun Seok Choi, Ju Hyun Kim, Hong-Seok Lee
  • Patent number: 11746981
    Abstract: A multi-faceted reflective hidden lighting lamp applied to a vehicle may block a portion of external light and repeatedly reflect internal light in two or more steps with a reflective surface on one side surface of a light reflective portion having a triangular sawtooth shape formed on a lens in a direction facing a light source and a transmissive surface on the other side surface thereof in an internal space of the lamp, and form a reflective layer on the reflective surface in painting/deposition/plating processes, a laser perforation process, a masking process, and a film insert process to reduce a color conversion material for the same color conversion effect and increase the utilization of an overlap skin portion of the lens, increasing the light blocking ability for a region other than the region required by regulations in addition to increasing the transmissive/light-receiving ability for the region required by regulations.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: September 5, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI MOBIS CO., LTD.
    Inventors: Seung-Pyo Hong, Yun-Min Cho, Chang-Hwan Oh, Dong-Joo Park, Han-Soo Park, Ju-Hyun Kim, Jung-Woo Shin
  • Patent number: 11734167
    Abstract: The present technology relates to an electronic device. According to the present technology, a storage device that manages map data using a volatile memory device having a limited capacity may include a nonvolatile memory device, a memory controller, and the volatile memory device which includes a map chunk buffer, a map chunk status table, a journal buffer, and a meta slice buffer.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: August 22, 2023
    Assignee: SK hynix Inc.
    Inventors: Ju Hyun Kim, Jin Yeong Kim, Jae Wan Yeon