Patents by Inventor Hoon Choi

Hoon Choi 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).

  • Electrode Manufacturing Apparatus
    Publication number: 20240383712
    Abstract: An electrode manufacturing apparatus includes a support roll supporting an electrode sheet, at least one pressure roll, a level sensor, and a control unit. The electrode sheet includes a coated portion and an uncoated portion, and the support roll transports the electrode sheet in a first direction. The pressure roll contacts the support roll with the electrode sheet disposed therebetween and pressurizes the uncoated portion of the electrode sheet. The level sensor detects a level of the uncoated portion, and the control unit controls the pressure roll in response to the level detected by the level sensor. The at least one pressure roll is movable in a second direction crossing the first direction.
    Type: Application
    Filed: March 17, 2023
    Publication date: November 21, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Ki Han So, Sang Hoon Choy, Shin Wook Jeon, Youngkuk Ko, Donghae Kim
  • HIGH-PRECISION LASER TRIGGER SYSTEM AND HIGH-PRECISION LASER TRIGGER METHOD USING THE SAME
    Publication number: 20240383066
    Abstract: A high-precision laser trigger system according to one embodiment of the present disclosure includes a stage on which an object is mounted, a trigger generator configured to generate a trigger signal according to a time-based mode and a position-based mode, a laser configured to emit laser light when the trigger signal is input, a motion controller configured to control the stage and the trigger generator, and a control device configured to identify coordinates of the stage, which places the object in a light-emitting position of the laser in the position-based mode, and transmit coordinate information including the coordinates and a mode change signal for changing a mode between the time-based mode and the position-based mode to the motion controller.
    Type: Application
    Filed: May 17, 2024
    Publication date: November 21, 2024
    Inventors: Boo Yeon CHOI, Young Hoon CHOI, Hyung Sun LEE
  • Method and apparatus for transmitting control information in wireless communication system
    Patent number: 12149353
    Abstract: A 5th Generation (5G) or pre-5G communication system for supporting higher data transmission rates beyond 4th Generation (4G) communication systems such as long term evolution (LTE) systems. A method for transmitting download control information in a communication system is provided. The method includes configuring the control information indicating at least one control channel element (CCE) including at least one resource element group (REG) unit interleaved based on the interleaving information indicated by a higher layer signaling; and transmitting, to a user equipment (UE), the configured control information.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: November 19, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Hyoung Kim, Young-Bum Kim, Jin-Young Oh, Seung-Hoon Choi, Tae-Han Bae
  • COIL, COIL ASSEMBLY AND METHOD
    Publication number: 20240369654
    Abstract: Coils and assemblies for magnetic resonance imaging or spectroscopy, and methods for generating or detecting magnetic fields with coils. The coil includes a first loop and a second loop. The first loop includes one or more capacitors. The second loop includes one or more capacitors. The second loop is connected to the first loop by a conductor. A total capacitance of the first loop is different from a total capacitance of the second loop.
    Type: Application
    Filed: April 30, 2024
    Publication date: November 7, 2024
    Inventors: Suk-Min HONG, Nadim Joni SHAH, Chang-Hoon CHOI, Jörg FELDER
  • VEHICLE MOUNTING DEVICE FOR A LPG STORAGE TANK
    Publication number: 20240367507
    Abstract: A vehicle storage tank mounting device configured to mount an LPG storage tank at the rear position of a vehicle body frame using a storage tank mounting frame so as to absorb or block collision impact, thereby avoiding interference with the vehicle body frame and a propeller shaft. The vehicle storage tank mounting device is further configured to reliably absorb or block collision impact transmitted to the storage tank in the event of a side collision and a rear collision, and to satisfy collision safety performance and vehicle laws.
    Type: Application
    Filed: November 17, 2023
    Publication date: November 7, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Chang Han Kim, Seung Yup Oh, Man Seok Oh, Seung Hoon Choi, Gil Eon Kang
  • Multi-slot die coater
    Patent number: 12134107
    Abstract: A multi-slot die coater includes a first slot and a second slot to extrude and coat a coating solution on a surface of a continuously moving substrate through at least one of the first slot or the second slot, and includes a first outer die block; an intermediate die block positioned on the first outer die block such that the first slot is formed between the intermediate die block and the first outer die block; and a second outer die block positioned on the intermediate die block such that the second slot is formed between the second outer die block and the intermediate die block, wherein the die-coater includes contact surfaces between the first outer die block, the intermediate die block and the second die block that are inclined relative to a first plane and a fastener is fastened substantially perpendicular to one of the inclined contact surfaces.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: November 5, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Taek-Soo Lee, Min-Kyu Kang, Shin-Wook Jeon, Sang-Hoon Choy
  • Cathode active material and lithium secondary battery including the same
    Patent number: 12136733
    Abstract: The cathode active material according to embodiments of the present invention includes a lithium composite oxide particle having a form of secondary particle in which a plurality of primary particle are aggregated, wherein the primary particles respectively include a lithium conduction pathway through which lithium ions are diffused. Wherein the primary particles include a first particle, and the first particle has an angle of 45° to 90° formed by a direction from a center of the first particle to a center of the lithium composite oxide particle and a direction of the lithium conduction pathway included in the first particle, wherein a ratio of the number of the first particles among the primary particles located on a surface of the lithium composite oxide particle is 20% or more.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: November 5, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sung Soon Park, Ji Hoon Choi, Jik Soo Kim, Kwang Ho Lee, Jeong Hoon Jeun
  • Cathode active material for lithium secondary battery and lithium secondary battery including the same
    Patent number: 12132198
    Abstract: The cathode active material for a lithium secondary battery according to embodiments of the present invention includes a lithium-transition metal composite oxide particle including a plurality of primary particles, and the lithium-transition metal composite oxide particle includes a lithium-sulfur-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by preventing the layer structure deformation of the primary particles and removing residual lithium.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: October 29, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Bok Kim, Sang Hye Shin, Sang Min Park, Tae Kyoung Lee, Myoung Lae Kim, Jeong Bae Yoon, Jik Soo Kim, Ji Hoon Choi
  • III-V-based quantum dot and method of manufacturing same
    Patent number: 12129417
    Abstract: A technology disclosed in the present disclosure provides a Group III-V-based quantum dot including a seed which includes a Group III element, a Group V element, and an active metal having various oxidation numbers and in which a molar ratio of the Group III element and the active metal is 1:3 to 1:30, and a method of manufacturing the same.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: October 29, 2024
    Assignees: DUKSAN NEOLUX CO., LTD., ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Eun Byul Bang, Do Eon Kim, Yun Hee Park, Jong Nam Park, Kang Yong Kim, Yong Hoon Choi
  • BILAYER COMPOSITION FOR SURFACE TREATMENT OF STEEL PLATE AND SURFACE-TREATED STEEL PLATE USING SAME
    Publication number: 20240351065
    Abstract: Provided is a bilayer composition for surface treatment of a steel plate and a surface-treated steel plate using same. The bilayer composition for surface treatment of a steel plate, comprising an undercoat coating composition including 1 to 12 wt % of a phenoxy resin, 0.001 to 1.0 wt % of colloidal silica, 0.001 to 1.0 wt % of a silane coupling agent, 0.1 to 1.0 wt % of a corrosion inhibitor, 0.001 to 1.0 wt % of a phosphoric acid compound as a long-term corrosion resistance improving agent, and a balance of water; and a topcoat coating composition including 0.1 to 5.0 wt % of an acrylic acid resin, 30 to 50 wt % of colloidal silica, 40 to 60 wt % of alkoxy silane, 5 to 15 wt % of an acrylate-based monomer, 0.01 to 1.00 wt % of an acidity control agent, and a balance of an organic solvent.
    Type: Application
    Filed: July 3, 2024
    Publication date: October 24, 2024
    Inventors: Chang-Hoon CHOI, Won-Ho SON, Hee-Jea EUN
  • CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20240356011
    Abstract: A cathode active material for a lithium secondary battery includes a lithium-aluminum-titanium oxide formed on a surface of a lithium metal oxide particle having a specific formula. The cathode active material may have an improved structural stability even in a high temperature condition.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Inventors: Mi Jung NOH, Jik Soo KIM, Sang Bok KIM, Ji Hoon CHOI, Kook Hyun HAN
  • LIGHTING APPARATUS FOR A VEHICLE
    Publication number: 20240353081
    Abstract: A lighting apparatus for a vehicle includes a base plate having a plurality of mounting portions and a plurality of lighting modules detachably mounted to the plurality of mounting portions. The plurality of lighting modules is configured to radiate light and to define a design of the lighting apparatus depending on locations at which the lighting modules are mounted.
    Type: Application
    Filed: November 21, 2023
    Publication date: October 24, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Chang Hoon Choi, Byeong Ho Jeong
  • Dipole antenna array for hybrid MR-PET and MR-SPECT scans and use thereof, and MR-PET or MR-SPECT tomograph with a dipole antenna array
    Patent number: 12123931
    Abstract: A dipole antenna array includes at least two dipole antenna elements. Each respective dipole antenna element has at one end a fold which consists of a bend, a bent region, and the projection of the bent region of the dipole antenna element onto a length of the dipole antenna element. Each respective dipole antenna element at least partially encloses a cavity.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: October 22, 2024
    Assignee: FORSCHUNGSZENTRUM JUELICH GMBH
    Inventors: Chang-Hoon Choi, Joerg Felder, Suk Min Hong, Christoph Lerche, Nadim Joni Shah
  • WINDOW AND DISPLAY DEVICE INCLUDING SAME
    Publication number: 20240345623
    Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: SANGHOON KIM, MINSANG KOO, KYUNG-MAN KIM, SEUNGHO KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Slot die coating device having air vent
    Patent number: 12115554
    Abstract: The present disclosure relates to a slot die coating apparatus for coating an electrode active material slurry onto an electrode collector, the slot die coating apparatus including: a coating roller; at least two or more dies; a discharge opening through which the electrode active material slurry is discharged in an opposite direction on which gravity acts; and an air vent installed in the die.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: October 15, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Ki Tae Kim, Taek Soo Lee, Do Hyun Lee, Cheolwoo Kim, Sang Hoon Choy
  • Multi-layer negative electrode comprising natural graphite and artificial graphite and lithium secondary battery comprising the same
    Patent number: 12113220
    Abstract: The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: October 8, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Taek Soo Lee, Chang Wan Koo, Sang Hoon Choi, Jung Min Yang, Il Jae Moon
  • DEFECTIVE PIXEL CORRECTION DEVICE AND METHOD OF OPERATING THE SAME
    Publication number: 20240334084
    Abstract: A defective pixel correction device is provided. The defective pixel correction device includes: a pixel grading circuit configured to output a grade map including a plurality of grades indicating defect levels and respectively corresponding to a plurality of pixels included in an input image; a pixel selection circuit configured to select one or more candidate pixels from among the plurality of pixels, based on whether the plurality of grades correspond to a correction level, in the grade map; and a correction circuit configured to correct the one or more candidate pixels.
    Type: Application
    Filed: January 18, 2024
    Publication date: October 3, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Hoon CHOI, Hyunyup Kwak, Jaeuk Ahn, Yongmi Lee, Seungwon Choi
  • Lens module for automotive lamps
    Patent number: D1045153
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: October 1, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Chang Hoon Choi, Dai Sung Kim, Byeong Ho Jeong, Won Suk Kang
  • Lens module for automotive lamps
    Patent number: D1045154
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: October 1, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Chang Hoon Choi, Dai Sung Kim, Byeong Ho Jeong, Won Suk Kang
  • Lens module for automotive lamps
    Patent number: D1050511
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: November 5, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Chang Hoon Choi, Dai Sung Kim, Byeong Ho Jeong, Won Suk Kang