Patents by Inventor Eui Tae Kim

Eui Tae 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: 20260221106
    Abstract: A display apparatus presented herein includes a display panel including a first bezel area and a second bezel area with a display area therebetween, gate drivers disposed along a first direction in the first bezel area, source drivers disposed along the first direction in the second bezel area, a plurality of gate clock supply lines disposed to extend in the first direction in the first bezel area and configured to supply gate clocks to the gate drivers, gate output link lines extending in a second direction intersecting with the first direction in output link regions of the display area and connecting gate outputs of the gate drivers based on the gate clocks to gate lines of the display panel, and gate clock link lines extending in the second direction in clock link regions of the display area and transferring the gate clocks to the gate clock supply lines.
    Type: Application
    Filed: January 13, 2026
    Publication date: July 30, 2026
    Inventors: Hwi Deuk Lee, Eui Tae Kim, Hong Sik Kim, Ye Seul Han, Kwang Hyun Choi
  • Publication number: 20260221107
    Abstract: A display device includes a display panel having an active area and a non-active area. The display panel includes pixel areas with subpixels in the active area and circuit areas in which scan circuits supplying scan signals to the subpixels are located, the pixel areas and the circuit areas being alternately disposed. The display device further includes an inverter circuit in the non-active area and configured to receive a clock signal supplied to the scan circuits, invert the clock signal, and output an inverted clock signal, a clock line to which the clock signal is applied and which extends along the circuit areas and is connected to the scan circuits, and an inverted clock line to which the inverted clock signal is applied and which extends along the circuit areas from the inverter circuit. The inverted clock line is adjacent to the clock line and extends in the same direction.
    Type: Application
    Filed: January 20, 2026
    Publication date: July 30, 2026
    Inventors: Hwi Deuk Lee, Ye Seul Han, Eui Tae Kim, Kwang Hyun Choi, Soon Hwan Hong
  • Patent number: 12683148
    Abstract: A positive electrode active material having a core/shell structure, which includes a sulfur-carbon composite containing thermally expanded-reduced graphene oxide, a carbon material as a core, and carbon nanotubes as a shell. A method for preparing a positive electrode active material having a core/shell structure for a lithium secondary battery, including the steps of thermally expanding graphene oxide by heat treatment at a temperature in a range of 300° C. to 500° C. to prepare a thermally-expanded graphene oxide. Then, reducing the thermally-expanded graphene oxide by heat treatment at a temperature in a range of 700° C. to 1200° C. to prepare a thermally expanded-reduced graphene oxide. Next, mixing the thermally expanded-reduced graphene oxide and sulfur to prepare a sulfur-carbon composite. Last, mixing the sulfur-carbon composite and carbon nanotubes to form carbon nanotubes on a surface of the sulfur-carbon composite.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: July 14, 2026
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Seungbo Yang, Eui Tae Kim, Kwonnam Sohn
  • Publication number: 20260188245
    Abstract: A display apparatus including narrow bezel is provided. The display apparatus includes a first emission driver set in a first display area of a display panel and configured to output an emission signal, needed for pixel driving, to emission signal supply lines, a second emission driver set in a second display area of the display panel and configured to output the emission signal to a emission signal supply lines, first emission clock lines connected to the first emission driver set in the first display area, second emission clock lines connected to the second emission driver set in the second display area, first division lines configured to supply a first emission clock and a second emission clock having different phases to the first emission clock lines, and a second division lines configured to supply the first emission clock and the second emission clock to the second emission clock lines.
    Type: Application
    Filed: August 29, 2025
    Publication date: July 2, 2026
    Inventors: Eui Tae Kim, Hong Sik Kim, Ye Seul Han
  • Patent number: 12531273
    Abstract: An electrolyte for a lithium-sulfur secondary battery and a lithium-sulfur secondary battery including the same are provided. The electrolyte includes: a lithium salt; and a non-aqueous organic solvent, where the non-aqueous organic solvent includes: a first solvent including a conjugated cyclic ether-based compound; a second solvent including dimethoxyethane; and a third solvent including a glyme-based compound represented by Chemical Formula 1: R1(CH2CH2O)nR2??[Chemical Formula 1] in Chemical Formula 1, R1 and R2 are the same as or different from each other, and each independently an alkyl group or alkoxy group having 1 to 10 carbon atoms; and n is an integer of 2 to 4.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: January 20, 2026
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jaegil Lee, Suenghoon Han, Eui Tae Kim, Seonghyo Park
  • Patent number: 12401065
    Abstract: An electrolyte solution for a lithium secondary battery, including a first solvent comprising a heterocyclic compound having at least one double bond, and any one of an oxygen atom and a sulfur atom; a second solvent including at least one of an ether-containing compound, an ester-containing compound, an amide-containing compound, and a carbonate-containing compound; a lithium salt; lanthanum nitrate; and an additive including lithium nitrate.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: August 26, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suenghoon Han, Eui Tae Kim, Jaegil Lee, Kyungsik Hong, Seonghyo Park
  • Publication number: 20250177961
    Abstract: A catalyst for manufacturing carbon nanotubes includes a support, a first active layer formed on a surface of the support, and a second active layer formed on a surface of the first active layer, wherein the first active layer includes cobalt oxide and the second active layer includes aluminum oxide. A method for manufacturing carbon nanotubes is also described, using the catalyst. The catalyst of the present invention enables more uniform and efficient synthesis of small-diameter carbon nanotubes.
    Type: Application
    Filed: October 12, 2023
    Publication date: June 5, 2025
    Inventors: Eui Tae Kim, Eun Jeong Lee, Ki Hwan Kim, Eu Gene Oh, Sung Eun Park, Geun Sung Lee
  • Publication number: 20250054966
    Abstract: A positive electrode includes a positive electrode active material, wherein the present invention relates to a positive electrode, in which adhesion between a positive electrode active material layer and a collector is excellent by controlling distribution of a binder in the positive electrode active material layer, and a lithium secondary battery including the same.
    Type: Application
    Filed: January 20, 2023
    Publication date: February 13, 2025
    Inventors: Geun Sung Lee, Eun Jeong Lee, Sung Eun Park, Ki Hwan Kim, Eui Tae Kim
  • Publication number: 20240413313
    Abstract: A positive electrode active material, a method of preparing the same, and a positive electrode and a lithium secondary battery including the same are provided. The positive electrode active material includes a particulate positive electrode active material and a coating layer formed on a surface of the particulate positive electrode active material, the coating layer including a phosphorus (P)-doped aluminum oxide, and the coating layer having a thickness of 0.1 nm to 2.0 nm.
    Type: Application
    Filed: December 7, 2022
    Publication date: December 12, 2024
    Inventors: Eun Jeong LEE, Eui Tae KIM, Ki Hwan KIM
  • Publication number: 20240322143
    Abstract: A sulfur-carbon composite including a porous carbon material, and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.300 cm3/g to 0.350 cm3/g and a specific surface area of the sulfur-carbon composite is 19.5 m2/g to 30 m2/g, wherein the sulfur and the porous carbon material are present in the sulfur-carbon composite in a weight ratio of 7.5:2.5 to 4:6.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 26, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eui Tae KIM, Suenghoon HAN, Kwonnam SOHN, Doo Kyung YANG
  • Publication number: 20240286117
    Abstract: The present invention relates to a method for preparing a carbon nanotube-producing catalyst using chemical vapor deposition method. Using the above preparation method, a uniform and thin coating layer can be formed even on the surface of a support having a high-specific-surface-area having a 3D structure, and high-quality and low-diameter carbon nanotubes can be produced using the catalyst prepared through this method.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 29, 2024
    Inventors: Eui Tae KIM, Eun Jeong LEE, Ki Hwan KIM, Eu Gene OH, Sung Eun PARK, Geun Sung LEE
  • Publication number: 20240286116
    Abstract: The present invention relates to a catalyst for producing carbon nanotubes, a method for preparing the catalyst, and a method for producing carbon nanotubes using the catalyst which includes a support, and an active layer formed on a surface of the support, wherein the active layer contains CoO and Co3O4, and has, through XRD pattern measurement, one peak at 2?=35° to 38°, and one peak at 2?=41° to 44°, and a proportion of CoO among the CoO and Co3O4 is 55 at % or more. The catalyst according to the present invention can efficiently synthesize low-diameter carbon nanotubes.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 29, 2024
    Inventors: Eui Tae Kim, Eun Jeong Lee, Ki Hwan Kim, Eu Gene Oh, Sung Eun Park, Geun Sung Lee
  • Publication number: 20240279066
    Abstract: The present invention relates to bundle-type carbon nanotubes having an average bundle thickness of 10 ?m or more, and a D50 of 10 ?m or more. The carbon nanotubes have excellent electrical conductivity and dispersibility and are particularly suitable for use as a conductive material.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 22, 2024
    Inventors: Geun Sung LEE, Eui Tae KIM, Eun Jeong LEE, Eu Gene OH, Sung Eun PARK, Ki Hwan KIM
  • Patent number: 12034156
    Abstract: A sulfur-carbon composite including a porous carbon material; and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.04 to 0.400 cm3/g and a specific surface area of the sulfur-carbon composite is 4.0 to 30 m2/g, and a method for preparing the same.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: July 9, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eui Tae Kim, Suenghoon Han, Kwonnam Sohn, Doo Kyung Yang
  • Publication number: 20240030492
    Abstract: An electrolyte solution for a lithium secondary battery, which is capable of not only operating at a low temperature by lowering resistance, but also securing the stable lifetime characteristics of the battery, and increasing the discharging capacity at a low temperature. The electrolyte solution for the lithium secondary battery includes a first solvent including at least one glyme-based compound; a second solvent including at least one conjugated heterocyclic compound; a third solvent including at least one non-conjugated cyclic ether-based compound; and lithium salt.
    Type: Application
    Filed: May 12, 2021
    Publication date: January 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jaegil LEE, Suenghoon HAN, Seonghyo PARK, Eui Tae KIM, Myeongjun SONG, Kyungsik HONG, Minsu KIM
  • Publication number: 20240021803
    Abstract: A sulfur-carbon composite including a porous carbon material; and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.04 to 0.400 cm3/g and a specific surface area of the sulfur-carbon composite is 4.0 to 30 m2/g, and a method for preparing the same.
    Type: Application
    Filed: April 11, 2023
    Publication date: January 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eui Tae KIM, Suenghoon HAN, Kwonnam SOHN, Doo Kyung YANG
  • Patent number: 11837731
    Abstract: A positive electrode active material for a lithium secondary battery, including a sulfur-carbon composite and a coating layer located on a surface of the sulfur-carbon composite and including a carbon nanostructure and iron oxyhydroxynitrate.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: December 5, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suenghoon Han, Eui Tae Kim
  • Publication number: 20230231193
    Abstract: The present disclosure relates to an electrolyte solution for a lithium-sulfur secondary battery comprising a lithium salt, a non-aqueous solvent and a cyclic anhydride compound, and a lithium-sulfur secondary battery containing the same.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 20, 2023
    Inventors: Jaegil LEE, Eui Tae KIM, Unho JUNG
  • Patent number: 11695111
    Abstract: A sulfur-carbon composite including porous carbon material, and sulfur, wherein at least a portion of an inside and a surface of the porous carbon material coated with the sulfur, the sulfur-carbon composite has a pore volume of 0.180 cm3/g to 0.300 cm3/g, and the sulfur-carbon composite has an average pore size of 40.0 nm to 70.0 nm, and a method of manufacturing the same. Also, a method of manufacturing a sulfur-carbon composite, which includes (a) mixing a porous carbon material with sulfur particles, wherein the sulfur particles have a particle size of 1 nm to 1 ?m using a Henschel mixer; and (b) drying the resulting mixture of (a).
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: July 4, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eui Tae Kim, Kwonnam Sohn, Doo Kyung Yang
  • Publication number: 20230187701
    Abstract: The present disclosure relates to an electrolyte for a lithium-sulfur battery including a non-aqueous organic solvent including specific three types of compounds, and a lithium-sulfur battery including the same.
    Type: Application
    Filed: November 15, 2021
    Publication date: June 15, 2023
    Inventors: Jaegil LEE, Suenghoon HAN, Eui Tae KIM, Seonghyo PARK