Patents by Inventor Won-ju Kim

Won-ju 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: 20250143150
    Abstract: A display device includes: a substrate comprising light-emitting areas and a non-light-emitting area; a light emitting element layer on the substrate; a thin-film encapsulation layer on the light emitting element layer; a wavelength conversion layer on the thin-film encapsulation layer; a binding member on the wavelength conversion layer and comprising an epoxy group; an opposing substrate facing the substrate; a color filter layer on a surface of the opposing substrate; and an auxiliary layer on the color filter layer and comprising an amine group, wherein the binding member and the auxiliary layer are in contact with each other, and the epoxy group of the binding member and the amine group of the auxiliary layer are chemically bonded to each other.
    Type: Application
    Filed: May 13, 2024
    Publication date: May 1, 2025
    Inventors: Yo Han KIM, Ji Eun KO, Won Min YUN, Hae Myeong LEE, Byoung Duk LEE, Seung Ju LEE, Su Min JUNG, Hye Young HAN
  • Patent number: 12282065
    Abstract: A battery data management system includes a communication device for obtaining state data of a battery from a battery management system and transmitting the state data of the battery to an outside and a management server for managing the state data of the battery, received from the communication device through a first network.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: April 22, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Young Chang Jo, Hyun Ju Hong, Sung Yul Yoon, Jae Kwang Jeon, Jeong Bin Lee, Jae Sung Im, Won Kyung Kim, Won Bin Choi, Myung Hyun Shim
  • Patent number: 12266764
    Abstract: A method of manufacturing a composite anode for a lithium ion battery and a composite anode for a lithium ion battery manufactured thereby. According to the method provide herein, since a metal catalyst precursor is reduced using Joule heating to obtain a carbon-metal catalyst composite layer, composite anode for a lithium ion battery having a large area in a short period of time can be provided, which is excellent in terms of economic feasibility. Further, since it is possible to manufacture a composite anode for a lithium ion battery with the improved lithium electrodeposition density and reversibility of lithium ions, a composite anode for a lithium ion battery having high capacity and improved life stability can be obtained.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: April 1, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, Ulsan National Institute of Science and Technology
    Inventors: Jong Chan Song, Won Keun Kim, Jae Wook Shin, Sung Hee Shin, Kyoung Han Ryu, Seong Min Ha, Seok Ju Kang, Kyung Eun Baek
  • Patent number: 12263885
    Abstract: An embodiment upper body for a vehicle includes an upper main body extending in a longitudinal direction from two opposite sides of the vehicle, the upper main body comprising a plurality of transverse members, a plurality of upper body pillar units each comprising a central portion bent and protruding upward and two opposite ends respectively connected to two opposite sides of the upper main body, the plurality of upper body pillar units being disposed to be spaced apart from one another in the longitudinal direction, and an upper body connection member extending in the longitudinal direction of the vehicle, spaced apart upward from a side of the upper main body, and connecting sides of the plurality of upper body pillar units.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: April 1, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ho Yeon Kim, Seok Ju Gim, Won Oh Kim, Je Joon Lee, Chul Hee Heo, Ji Ae Yong
  • Publication number: 20250098127
    Abstract: An electronic device includes a housing, a slot disposed in an interior of the housing, wherein the slot is configured to permit an electronic module inserted into the slot, a cooling member disposed outside the slot to cool the electronic module, and a heat transfer member configured to be connected to the electronic module to transfer heat from the electronic module to the cooling member.
    Type: Application
    Filed: December 29, 2023
    Publication date: March 20, 2025
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Chan Woong JUNG, Jang Hoon LEE, Won Ju KIM, Sang Il LEE, Kang Il MA, Hae Jung KIM, Ji Min SONG
  • Publication number: 20250096258
    Abstract: A positive electrode active material includes a lithium transition metal oxide in the form of a single particle; and a coating part which is formed on the surface of the lithium transition metal oxide and contains cobalt. The lithium transition metal oxide in the form of a single particle has interfaces divided into a strong boundary having collapse of a layered structure in a crystal particle and a weak boundary having no collapse of the layered structure. The coating part is formed only at the strong boundary among the interfaces. A method for producing the positive electrode active material is also provided.
    Type: Application
    Filed: May 22, 2023
    Publication date: March 20, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Won Sig Jung, Hyun Ah Park, Tae Young Rhee, Yong Jo Jung, Jong Pil Kim, Eung Ju Lee
  • Patent number: 12255414
    Abstract: A package board according to an embodiment of the present disclosure includes a first core layer, a feeding wiring disposed on the first core layer, and a first connector mounted on the first core layer and electrically connected to the feeding wiring through a row directional side thereof. The feeding wiring includes a first portion extending in a column direction of the first core layer and a second portion bent from the first portion to extend in a row direction of the first core layer.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: March 18, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Na Yeon Kim, Young Ju Kim, Hee Jun Park, Won Hee Lee
  • Patent number: 12252485
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: March 18, 2025
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Hye-Su Ji, Hyun-Ju La, Won-Jang Jeong, Dong-Jun Kim
  • Patent number: 12240547
    Abstract: An embodiment vehicle body includes a drive vehicle body module configured to accommodate a driving part of a vehicle and including a first plurality of frames coupled together and fastening units provided at an upper end of the drive vehicle body module and an upper vehicle body module including a second plurality of frames coupled together, wherein a lower end of the upper vehicle body module is fastened to the fastening units of the drive vehicle body module to define an interior usage space of the vehicle.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: March 4, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Seok Ju Gim, Ji Ae Yong, Won Oh Kim, Mok Yeon Hong, Sun Hyung Cho, Chul Hee Heo, Ho Yeon Kim
  • Publication number: 20250070226
    Abstract: Disclosed are an ionic liquid, an electrolyte including the ionic liquid, and a lithium secondary battery including the same. The ionic liquid is capable of forming a film having high ionic conductivity on an anode upon reductive decomposition of cations contained therein, and delaying the decomposition of anions.
    Type: Application
    Filed: March 19, 2024
    Publication date: February 27, 2025
    Inventors: Kyu Ju Kwak, Ji Yong Lee, Won Keun Kim, Eun Ji Kwon, Yeon Jong Oh, Ji Ho Lim, Dong Hyun Lee, Sang Su Lee, Kyoung Han Ryu, Samuel Seo
  • Publication number: 20250070149
    Abstract: A positive electrode active material precursor includes Ni and Mn and secondary particles formed by the aggregation of a plurality of primary particles. The secondary particles have a ratio of a core area to a total area of the particles ranging from 28.7% to 34.1%, and a porosity ranging from 11.3% to 11.7%. Also provided is a method for preparing the positive electrode active material precursor. Additionally, a positive electrode active material including a reaction product of the positive electrode active material precursor and a lithium raw material is provided. Also provided is a method for preparing a positive electrode active material using the positive electrode active material precursor.
    Type: Application
    Filed: August 17, 2023
    Publication date: February 27, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Byung Hyun Hwang, Nam II Kim, Hyun Jin Jung, Chan Ju Beak, Hye Youn Hwang, Hyun Ah Park, Seong Hoon Kang, Won Taek Hong, Won Tae Kim, Woo Hyun Kim, Jun Gil Kim, Ju Han Yoon, Young Su Park
  • Publication number: 20250059303
    Abstract: Provided is a method of manufacturing an ethylene-acrylic acid copolymer including the step of (S1) supplying an ethylene monomer and an acrylic acid comonomer to a polymerization reactor to manufacture an ethylene-acrylic acid copolymer; (S2) supplying an acrylic acid comonomer-containing mixture discharged from a front or rear end of the polymerization reactor and a cleaning solvent to a cleaning unit; and (S3) dissolving an polyacrylic acid derived from the acrylic acid comonomer contained in the mixture in the cleaning solvent. The cleaning solvent includes a polyhydric alcohol-based solvent.
    Type: Application
    Filed: August 14, 2024
    Publication date: February 20, 2025
    Inventors: Ho Seong Lee, Ji Hye Park, Won Bin Kim, Hong Chan Kim, In Su Lee, Wan Ju Jeong, Seok Bin Hong
  • Publication number: 20250046806
    Abstract: A positive electrode active material in a form of a single particle is configured so that after a positive electrode, which includes a positive electrode active material layer containing 80 wt % or more of the positive electrode active material based on a total weight of the positive electrode active material layer, is rolled, a density of the positive electrode active material layer after the rolling is 2.7 g/cm3 or more. When the positive electrode active material layer is analyzed by XRD (X-ray diffraction), a ratio of an area of a (003) peak to an area of all peaks identified in a 2? range of 10° to 90° satisfies 30% or more. Also provided is a positive electrode including the same. The positive electrode active material is capable of achieving a battery with improved initial resistance characteristics and life characteristics.
    Type: Application
    Filed: May 22, 2023
    Publication date: February 6, 2025
    Inventors: Won Sig Jung, Jong Pil Kim, Eung Ju Lee, Tae Young Rhee, Hwan Young Choi
  • Patent number: 12217681
    Abstract: A display device includes a display panel configured to display images, a plurality of circuit boards connected to one side of the display panel, a cable electrically connecting at least two of the plurality of circuit boards, voltage lines disposed on the cable, the plurality of circuit boards, and the display panel, a deviation compensation circuit configured to sense voltages transmitted through a circuit board on one side and a circuit board on the other side connected by the cable among the plurality of circuit boards and to output a signal based on the sensed voltages, and a variable circuit configured to compensate for a current difference between the circuit board on one side and the circuit board on the other side based on the signal output from the deviation compensation circuit.
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: February 4, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Ju Kim, Won Yong Jang
  • Patent number: 12219725
    Abstract: A display device may include a display panel which is flexible and includes a first surface on which an image is displayed and a second surface on which the image is not displayed, a connection film at least partially overlapping a side of the display panel in a plan view, a printed circuit board at least partially overlapping a side of the connection film in a plan view and electrically connected to the connection film, a control board spaced apart from the printed circuit board, and a cable electrically connecting the printed circuit board and the control board. The cable may have a spiral shape.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Guen Jang, Won Tae Kim, Soo Hyun Moon, Jun Seok Min, Hae Ju Yun
  • Publication number: 20250038195
    Abstract: A positive electrode active material in a form of a single particle includes a lithium transition metal oxide in a form of a single particle, a coating portion containing cobalt which is formed on the lithium transition metal oxide in the form of a single particle, and LiCoO2 in a form of an island which is discontinuously formed on a surface. A ratio of an intensity of a peak ranging from 550 cm?1 to 620 cm?1 corresponding to an A1g vibration mode of LiCoO2 to an intensity of a peak ranging from 500 cm?1 to 600 cm?1 corresponding to an A1g vibration mode of LiNiO2 in a Raman spectrum of the surface is in a range of 0.1 to 1. Also provided is a method of preparing a positive electrode active material in a form of a single particle.
    Type: Application
    Filed: May 22, 2023
    Publication date: January 30, 2025
    Applicant: LG CHEM, Ltd.
    Inventors: Won Sig Jung, Hyeon Hui Baek, Yong Jo Jung, Sang Jun Kim, Jong Pil Kim, Eung ju LEE
  • Patent number: 12208280
    Abstract: A laser device for skin treatment, includes: a laser generating unit including one or a plurality of diode lasers configured to generate a diode laser pulse, one or a plurality of diode laser drivers each arranged to correspond to the diode laser and configured to vary diode laser pulses generated from the diode laser into pulses having different durations, a laser amplifying unit configured to amplify the pulse transmitted from the diode laser generating unit, and a controller configured to control the diode laser generating unit and the laser amplifying unit to control a wavelength and intensity of a laser output from the laser amplifying unit.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: January 28, 2025
    Assignee: Jeisys Medical Inc.
    Inventors: Won Ju Yi, Joo Hee Cho, Seong Jun Kim, Min Young Kim, Dong Hwan Kang
  • Patent number: 12206184
    Abstract: An antenna package according to an embodiment includes an antenna unit including a radiator, a transmission line extending from the radiator and an antenna ground pad disposed around the transmission line, and a circuit board electrically connected to the antenna unit. The circuit board includes a core layer, a circuit wiring layer disposed on one surface of the core layer, the circuit wiring layer including a signal transmission wiring electrically connected to the transmission line of the antenna unit and a first ground pattern bonded to the antenna ground pad, and a ground layer disposed on an opposite surface facing the one surface of the core layer. The ground layer does not overlap a portion of the antenna ground pad except for a region bonded to the first ground pattern in a planar view.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: January 21, 2025
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Byung Jin Choi, Na Yeon Kim, Young Ju Kim, Won Bin Hong
  • Patent number: 12207394
    Abstract: A circuit board according to an embodiment includes a core layer including a first region and a second region, and antenna power supply wirings disposed on the core layer over the first region and the second region. The antenna power supply wirings may include a first portion extending in a first direction in the first region, a second portion extending in a second direction in the first region, and a third portion extending in the first direction in the second region, and an interval between the neighboring second portions of the antenna power supply wirings is 3 times or less of an interval between the neighboring third portions of the antenna power supply wirings.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: January 21, 2025
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Byung Jin Choi, Young Ju Kim, Dong Pil Park, Won Bin Hong
  • Patent number: 12203402
    Abstract: The present invention provides method and apparatus for purifying exhaust gas of a vessel and a vessel including the same, in which a risk for a vessel and crew of being exposed to ammonia gas used to collect carbon dioxide included in exhaust gas emitted from a vessel may be minimized and an ammonia solution may be recycled and reused to collect carbon dioxide, in order to satisfy regulations on discharge of exhaust gas by the IMO. Also, the present invention provides an apparatus 1000 for purifying exhaust gas of a vessel and a method of purifying exhaust gas of a vessel using the same, in which carbon dioxide and sulfur dioxide included in exhaust gas emitted from a vessel may be collected by using a reaction solution and may be changed into a substance that does not affect the environment so as to be stored and transported to land.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: January 21, 2025
    Assignees: HANWHA OCEAN CO., LTD., HI AIR KOREA
    Inventors: Keun Bae Kim, Gwang Hyun Lee, Hyung Ju Roh, Min Woo Lee, Won Kyeong Son, Byung Tak Nam, So Young Choi, Seung Min Jeon