Patents by Inventor Dong Ju Lee

Dong Ju Lee 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: 20250098236
    Abstract: A power semiconductor device includes a substrate, a first epi layer of a first conductivity type disposed on the substrate, a second epi layer of a first conductivity type disposed on the first epi layer, a first well of a second conductivity type partially disposed in the first epi layer, a second well of a second conductivity type disposed on the second epi layer, an ion implantation region and a source region of the second conductivity type disposed in the second well, a source electrode in the source region, a gate insulating layer in a trench region where a portion of the ion implantation region and the second epi layer is removed, a trench gate disposed on the gate insulating layer, an interlayer insulating layer disposed on the trench gate and a gate electrode electrically connected to the trench gate.
    Type: Application
    Filed: September 18, 2024
    Publication date: March 20, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Ho Jung LEE, Nam Ju KANG, Dong Kyun KIM, Kuk Tae HONG, Jun Ha HWANG
  • Publication number: 20250091493
    Abstract: A rear seat apparatus for a vehicle includes a back frame and a cushion frame. The back frame is not interlocked with the cushion frame and is individually rotated in the forward-and-rearward direction independently of the cushion frame. The cushion frame is not interlocked with the back frame and individually slides in the forward-and-rearward direction independently of the back frame. A front seating state and a rear seating state of a passenger are implemented through individual sliding movement of the cushion frame in the forward-and-rearward direction.
    Type: Application
    Filed: January 18, 2024
    Publication date: March 20, 2025
    Inventors: Mu Young Kim, Hee Dong Choi, Soo Hyun Moon, Wan Su Park, Gil Ju Kim, Seok Ju Gim, Kyoung Su Oh, Jae Hong Bae, Dong Hyeon Kim, Yong Tak Han, Sung Wook Lee, Yong Sun Oh, Kyu Hee Lee
  • Publication number: 20250098117
    Abstract: The present invention relates to a heat sink structure and a manufacturing method thereof, in which a plurality of heat radiation fin parts, which is configured to radiate heat, is fixed to a heat radiation surface of a heat sink main body part by laser welding, such that thicknesses of and intervals between the plurality of heat radiation fin parts may be minimized, heat dissipation performance may be improved, a weight may be greatly reduced, and production lead time and manufacturing costs may be significantly reduced by manufacturing only the heat sink main body part by casting.
    Type: Application
    Filed: December 1, 2024
    Publication date: March 20, 2025
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Kyo Sung JI, Dong Won KIM, Kyu Tae HAN, Hwang Ju LEE, In Hwa CHOI
  • Patent number: 12255336
    Abstract: A negative electrode and a lithium secondary battery include the negative electrode, wherein the negative electrode includes a metal current collector and a negative electrode active material layer including a negative electrode active material and metal nanowires and formed on the metal current collector. The negative electrode active material includes a silicon-based active material and a carbon-based active material, and the metal nanowires include one or more metals selected from the group consisting of copper, gold, nickel, cobalt, and silver.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: March 18, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Dong Hyuk Kim, Yong Ju Lee, Il Geun Oh
  • Publication number: 20250077347
    Abstract: A memory controller includes a scrub control circuit configured to generate a scrub command for instructing a scrub operation; and an address generation circuit configured to generate a scrub address having an address sequence in which a first column bit group of a column address, a row address, and a second column bit group of the column address are sequentially allocated from a least significant bit (LSB) to a most significant bit (MSB), and change a value of the scrub address according to the scrub command.
    Type: Application
    Filed: April 2, 2024
    Publication date: March 6, 2025
    Inventors: Woong Ju JANG, Hoiju CHUNG, Yong Jun LEE, Dong Hee HAN
  • Patent number: 12242697
    Abstract: A touch sensor according to an embodiment includes a transparent substrate layer having an active region and an inactive region, and a conductive pattern formed on the active region and including a stacked structure of a metal layer and a blackened layer. A color difference defined by Equation 1 is 10 or less.
    Type: Grant
    Filed: February 23, 2024
    Date of Patent: March 4, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dong Bin Yoo, Sun Ju Kim, Jeong Yong Seo, Hee Yong Lee, Yong Sun Han
  • 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: 20250066347
    Abstract: The present invention relates to: a substituted thiazolidinedione derivative compound having a novel structure acting as a sterol regulatory element-binding protein-1 (SREBP1) inhibitor, a hydrate thereof, or a pharmaceutically acceptable salt thereof; and a pharmaceutical composition for preventing or treating cancer, comprising same as an active ingredient.
    Type: Application
    Filed: December 19, 2022
    Publication date: February 27, 2025
    Inventors: Jun-Kyum KIM, Jia CHOI, Eun-Jung KIM, Cheol-Kyu PARK, Seok Won HAM, Min Gi PARK, Hyeon Ju JEONG, Sung Jin KIM, Kyungim MIN, Jong Min PARK, Jungwook CHIN, Sung Jin CHO, Jina KIM, Kyung Jin JUNG, Nayeon KIM, Suhui KIM, Sugyeong KWON, Su-Jeong LEE, Minseon JEONG, Hongchan AN, Jeong-Eun PARK, Dong-Hyun KIM, Ji-youn LIM, Ju-sik MIN, Ji Sun HWANG, Hyo-Jung CHOI, Hayoung HWANG, Oh-Bin KWON, Sungwoo LEE, Sang Bum KIM
  • Publication number: 20250061709
    Abstract: In a driving video recording system and a manufacturing method of the same, the driving video recording system includes a camera module for monitoring the surroundings of a vehicle; then first memory for storing a video transmitted from the camera module; the second memory for storing a computer program for controlling the storage of the video; and a controller including a processor for executing the computer program, wherein the computer program includes a contamination classification deep training network model, and the processor is configured to determine whether video data obtained by the camera module through the deep-learning network model is contaminated through the execution of the computer program.
    Type: Application
    Filed: November 28, 2023
    Publication date: February 20, 2025
    Applicants: Hyundai Motor Company, Kia Corporation, Sogang University Research & Business Development Foundation
    Inventors: Dong Hyuk JEONG, Gyun Ha KIM, Seok Ju YEOM, Jae Ho KWAK, Jung Hoon LEE, Seung Hun MOON, Suk Ju KANG, Chang Ryeol JEON
  • Publication number: 20250062394
    Abstract: Methods for preparing a solid electrolyte membrane are described. More particularly, a small amount of binder may be fiberized through a dry calendering process to prepare a solid electrolyte membrane. Since the fiberized binder is included in an entangled state within the solid electrolyte membrane, it shows excellent characteristics in both ionic conductivity and strength.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 20, 2025
    Applicants: LG ENERGY SOLUTION, LTD., The Regents of the University of California
    Inventors: Jung Pil LEE, Min Sang SONG, Zheng CHEN, Dong Ju LEE
  • Patent number: 12230924
    Abstract: A connector structure according to an embodiment of the present disclosure includes a second connector and a first connector coupled to the second connector. The first connector includes a first insulator, a first conductive connection terminal disposed on the first insulator, a second conductive connection terminal spaced apart from the first conductive connection terminal to form a single row structure on the first insulator together with the first conductive connection terminal, and a first barrier structure disposed between the first conductive connection terminal and the second conductive connection terminal on the first insulator.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: February 18, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Young Ju Kim, Byung Jin Choi, Han Sub Ryu, Na Yeon Kim, Dong Pil Park, Jae Hyun Lee
  • Publication number: 20250033143
    Abstract: An apparatus for substrate dicing includes: a laser beam emitter outputting a laser beam; a stage on which a test substrate is loaded, wherein the test substrate includes a sample substrate and a test film; a laser beam modulator modulating the laser beam to output a modulated beam; an optical system transferring the modulated beam into the sample substrate; a camera capturing the modulated beam that is reflected from the test film; and a controller generating a control signal based on at least one of a reaction point being formed in the test film or a shape of the reaction point of the test film being biased toward one side with respect to a central axis, wherein the laser beam modulator is configured to modulate the laser beam based on the control signal to output the modulated beam.
    Type: Application
    Filed: May 13, 2024
    Publication date: January 30, 2025
    Inventors: Dong Ju PARK, Young Chul KWON, Jae Heung LEE, Nam-Tae HEO
  • Patent number: 12210065
    Abstract: Discussed is a battery diagnosing apparatus that can include a resistance measuring unit configured to measure an internal resistance of each of a plurality of battery modules including one or more battery cells, and a control unit configured to receive resistance information about the internal resistance of each of the plurality of battery modules from the resistance measuring unit, calculate a first criterion resistance and an absolute deviation between the first criterion resistance and the internal resistance, convert the calculated absolute deviation into a resistance deviation for the plurality of battery modules based on the resistance information, set a first resistance section based on the calculated first criterion resistance and the calculated resistance deviation, select a part of the plurality of battery modules as a target module based on the resistance information, and calculate a second criterion resistance for the target module based on the resistance information.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: January 28, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Ju Hong, Dong-Chun Lee, Geon Choi, Seog-Jin Yoon
  • Patent number: 12176482
    Abstract: Disclosed is a solid electrolyte membrane, a method for manufacturing the same, and an all-solid-state battery containing the same. More specifically, the solid electrolyte membrane includes a first solid electrolyte layer and a second solid electrolyte layer stacked adjacent to each other, and the first solid electrolyte layer has a structure in which particulate binders are dispersed, and the second solid electrolyte layer has a structure in which fibrous binders are entangled or connected to each other, and thus the strength may be improved without lowering the ionic conductivity of the solid electrolyte membrane. The solid electrolyte membrane may be substantially free of solvent.
    Type: Grant
    Filed: December 20, 2023
    Date of Patent: December 24, 2024
    Assignees: LG ENERGY SOLUTION, LTD., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Jung-Pil Lee, Min-Sang Song, Jiyoung Kim, Dong Ju Lee, Zheng Chen
  • Patent number: 12151939
    Abstract: The present disclosure relates to a carbon nanotube fiber having improved physical properties and a method for manufacturing the same. The method according to the present disclosure comprises the steps of: spinning carbon nanotubes with a purity of 90% by weight or more to obtain a first carbon nanotube fiber; and heat-treating the first carbon nanotube fiber at 500 to 3,000° C. under an inert gas atmosphere to obtain a second carbon nanotube fiber, wherein the second carbon nanotube fiber has a density of 1.0 to 2.5 g/cm3.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: November 26, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Bon Cheol Ku, Jun Yeon Hwang, Hyeon Su Jeong, Nam Ho You, Nam Dong Kim, Dae Yoon Kim, Dong Ju Lee, Seo Gyun Kim, Seung Ki Hong, Seung Woo Ryu
  • Publication number: 20240288390
    Abstract: A method for analyzing a structure of a solid electrolyte film, including a step of: immersing the solid electrolyte film including a solid electrolyte and a binder into a polar solvent to remove the solid electrolyte from the solid electrolyte film; and analyzing a structure of the solid electrolyte film in which the solid electrolyte is removed.
    Type: Application
    Filed: February 22, 2024
    Publication date: August 29, 2024
    Inventors: Jung Pil LEE, Min Sang SONG, Dong Ju LEE, Zheng CHEN
  • Publication number: 20240258562
    Abstract: The present disclosure relates to a solid electrolyte film, its fabrication method, and an all-solid-state battery including the same. More specifically, the solid electrolyte film comprises a slurry including a sulfide and/or halide-based solid electrolyte, a binder, and a solvent, coated on a substrate and then dried and pressed. By pressing at a temperature equal to or above a glass transition temperature (Tg) of the binder, the packing density of the solid electrolyte film is increased, thereby improving the ionic conductivity.
    Type: Application
    Filed: January 24, 2024
    Publication date: August 1, 2024
    Inventors: Jung Pil LEE, Min Sang Song, Dong Ju Lee, Zheng Chen
  • Publication number: 20240213522
    Abstract: A solid electrolyte film and an all-solid-state battery including the same, wherein the solid electrolyte film is fabricated by a dry process of physically mixing sulfide-based and/or halide-based solid electrolyte particles with a binder, wherein the binder is fiberized in the dry process and forms fiberized binders in an intertwined state, so that a small amount of binder is sufficient to provide improved ionic conductivity and strength.
    Type: Application
    Filed: December 22, 2023
    Publication date: June 27, 2024
    Inventors: Jung Pil LEE, Min Sang SONG, Dong Ju LEE, Zheng CHEN
  • Publication number: 20240132652
    Abstract: The present disclosure relates to a thermoplastic polyurethane composition for injection molding and a method for manufacturing the same. Specifically, the thermoplastic polyurethane composition includes 0.5% by weight to 10.0% by weight of a sulfonate diol, 13% by weight to 60% by weight of an isocyanate, 30% by weight to 70% by weight of an ether-containing polyester polyol, and 5% by weight to 40% by weight of a chain extender.
    Type: Application
    Filed: April 17, 2023
    Publication date: April 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DONGSUNG CHEMICAL Co., Ltd., HANWHA ADVANCED MATERIALS CORPORATION
    Inventors: Boo Youn An, In Soo Han, Sang Hyuk Lee, Jae Chan Lee, Hoon Jeong Kim, Gyu Min Lee, Sung Bok Kwak, Dong Ju Lee, Jae Yong Lee
  • Patent number: 11959193
    Abstract: Disclosed are a spinning dope for an aramid and carbon-nanotube composite fiber and a method of manufacturing an aramid and carbon-nanotube composite fiber using the same.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: April 16, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Dae Yoon Kim, Ki Hyun Ryu, Bon Cheol Ku, Jun Yeon Hwang, Nam Dong Kim, Dong Ju Lee, Seo Gyun Kim