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).

  • Patent number: 12257599
    Abstract: Disclosed is a slot die coater adjusting device, which adjusts a slot die coater including a lower die having a lower discharge hole for discharging a first active material slurry and an upper die having an upper discharge hole for discharging a second active material slurry, to adjust a distance between the lower discharge hole and the upper discharge hole by allowing the upper die to move. The slot die coater adjusting device includes pressing block assemblies respectively provided to both longitudinal sides of the slot die coater and fixed to the upper die; a linear motion (LM) guide disposed at a lower portion of the pressing block assembly and connected to the pressing block assembly to guide a movement of the pressing block assembly; a servo motor configured to give a power for moving the LM guide; and a reducer connected between the servo motor and the LM guide.
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: March 25, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Do-Hyun Lee, Cheol-Woo Kim, Sang-Hoon Choy
  • Publication number: 20250093768
    Abstract: A substrate processing apparatus is provided and includes: a support unit including a spin chuck and a centering jig that is on the spin chuck, the spin chuck configured to support and rotate a substrate; a spraying unit configured to spray processing liquid onto the substrate; a swing arm including a correction unit that includes a sensor and an emitter, the swing arm configured to move such that the correction unit moves to a target point on the substrate, and the emitter configured to irradiate a beam towards the substrate; and a controller configured to: control the spin chuck and the swing arm; and determine whether a movement trajectory of the swing arm is aligned with a rotation center of the spin chuck based on information acquired by the sensor about the centering jig.
    Type: Application
    Filed: July 11, 2024
    Publication date: March 20, 2025
    Applicants: SEMES CO., LTD., SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Jin Yeong SUNG, Ki Hoon CHOI, Seung Un OH, Young Ho PARK, Sang Hyeon RYU, Jang Jin LEE, Hyun YOON, Sang Gun LEE, Yu Jin CHO, Ho Jong HWANG, Jong Ju PARK, Jong Keun OH, Yong Woo KIM
  • Patent number: 12252180
    Abstract: A lower cross member for a vehicle is disposed on a floor of a vehicle. The lower cross member includes a core member and a reinforcing layer. The core member is made of a composite material containing 70 wt. % or more of unidirectional carbon fibers, and the reinforcing layer is made of a composite material containing 70 wt. % or more of fiberglass.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: March 18, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, Kolon Spaceworks Co., Ltd.
    Inventors: Sang Yoon Park, Seung Chan Lee, Yong Beom Lee, Pil Won Kang, Hyun Sik Kim, Sang Sun Park, Hee Seouk Chung, Seung Uk Kang, Chi Hoon Choi, Seong Jong Kim, Dong Won Kim
  • Publication number: 20250085444
    Abstract: The present invention provides an X-ray detector comprising: a sensor panel which has flexibility; at least one first flexible circuit unit which is attached along a first edge of the sensor panel and has a gate IC mounted therein; at least one second flexible circuit unit which is attached along a second edge of the sensor panel and has a readout IC mounted therein; a third flexible circuit unit which is attached to one end of the first edge; and a main circuit unit which is connected to the third flexible circuit unit and has a timing controller mounted thereon, wherein a gate control signal output from the main circuit unit is provided to the gate IC via the third flexible circuit unit.
    Type: Application
    Filed: December 23, 2022
    Publication date: March 13, 2025
    Applicants: RAYENCE Co., Ltd., VATECH EWOO Holdings Co., Ltd.
    Inventors: Dong Gi SIN, Nam Hyeong KIM, Sung Hoon CHOI
  • Publication number: 20250089449
    Abstract: A display device includes a window, a display panel disposed below the window, and an adhesive layer disposed between the window and the display panel. The window includes a glass portion, and a synthetic resin portion overlapping at least a side surface of the glass portion and exposing the upper surface of the glass portion.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seongjin HWANG, Kyu Young KIM, Dohoon KIM, Sanghoon KIM, Sang-Il PARK, Min-Hoon CHOI
  • Publication number: 20250079451
    Abstract: A cathode active material for a lithium secondary battery includes an active material particle. The active material particle includes an active material core including a lithium metal oxide, and a sulfur-containing coating and a metal-containing coating formed on the active material core. A charge transfer resistance (Rct) measured at 50% DOD (Depth of Discharge) by an individual contact of a measuring probe with the active material particle is 60 ?/cm2 or less.
    Type: Application
    Filed: August 28, 2024
    Publication date: March 6, 2025
    Inventors: Ji Hoon CHOI, Hee Jun KWEON, Jik Soo KIM
  • Publication number: 20250073742
    Abstract: Provided is a control device and a substrate processing apparatus including the same. The substrate processing apparatus includes a support unit configured to support and rotate a first substrate, the support unit including a spin chuck, a spray unit configured to spray a processing fluid on the first substrate, a correction unit on a swing arm and configured to irradiate a beam onto the first substrate when the processing fluid is provided on the first substrate, wherein the swing arm is adjacent to the spin chuck and is configured to move the correction unit to a target point on the first substrate, and a controller configured to control the spin chuck and the swing arm, and correct a position error of the swing arm using a second substrate, wherein a plurality of anchor patterns are on the second substrate.
    Type: Application
    Filed: July 10, 2024
    Publication date: March 6, 2025
    Inventors: Jin Yeong Sung, Ki Hoon Choi, Seung Un Oh, Young Ho Park, Sang Hyeon Ryu, Jang Jin Lee, Hyun Yoon, Sang Gun Lee, Yu Jin Cho, Ho Jong Hwang, Jong Ju Park, Jong Keun Oh, Yong Woo Kim
  • Patent number: 12241612
    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: Grant
    Filed: November 21, 2023
    Date of Patent: March 4, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Chang Hoon Choi, Byeong Ho Jeong
  • Patent number: 12240317
    Abstract: A fuel pump module for a vehicle includes: a pump positioned in a reservoir cup in a tank and configured to suction and discharge fuel from the reservoir cup; a mount plate mounted in an opening of the tank; a return valve on the mount plate and configured to pass return fuel, which is returned from an engine, into the tank; a shaft bracket connecting the mount plate and the pump in the tank and configured to fix the pump to the mount plate; a guide wall disposed on the shaft bracket to guide return fuel flowing in the tank through the return valve; and a channel disposed at the shaft bracket so that return fuel flows down and configured to discharge the return fuel into the reservoir cup.
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: March 4, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seung Hoon Choi, Gil Eon Kang, Chang Han Kim, Seung Yup Oh
  • Publication number: 20250065360
    Abstract: A control device and a substrate processing apparatus including the same are provided. The substrate processing apparatus includes: a support unit including a spin head and configured to support and to rotate a substrate; a spraying unit configured to spray processing liquid onto the substrate; a correction unit in a swing arm, the correction unit configured to move to a target point on the substrate and to irradiate a beam when the processing liquid is sprayed onto the substrate; and a control unit configured to calculate the target point, wherein the control unit is configured to convert image coordinates associated with a first coordinate system and then to calculate the target point by converting the image coordinates associated with the first coordinate system into image coordinates associated with a second coordinate system, and the second coordinate system is based on rotation angles of the spin head and the swing arm.
    Type: Application
    Filed: July 10, 2024
    Publication date: February 27, 2025
    Inventors: Jin Yeong Sung, Ki Hoon Choi, Seung Un Oh, Young Ho Park, Sang Hyeon Ryu, Jang Jin Lee, Hyun Yoon, Sang Gun Lee, Yu Jin Cho, Ho Jong Hwang, Jong Ju Park, Jong Keun Oh, Yong Woo Kim
  • Publication number: 20250070163
    Abstract: A positive electrode includes a current collector, a first positive electrode active material layer, and a second positive electrode active material layer. The first positive electrode active material layer is formed on the current collector and the second positive electrode active material layer is formed on the first positive electrode active material layer. The first and second positive electrode active material layers each include lithium iron phosphate, a fluorine-based binder, a rubber-based binder, and a conductive material. The rubber-based binder includes a first hydrogenated nitrile butadiene rubber and a second hydrogenated nitrile butadiene rubber A ratio (P2/P1) of the weight P2 of fluorine contained in the second positive electrode active material layer to the weight P1 of fluorine contained in the first positive electrode active material layer is 1 or less.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 27, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hyun Kim, Houng Sik Yoo, Jong Won Lee, Ji Hee Yoon, Gui Eum Yang, Sang Hoon Choy, Hyeon Choi, O Jong Kwon, Yong Hee Kang
  • Publication number: 20250063266
    Abstract: Disclosed is a method of controlling a display device displaying an image using a lens, the method including storing a lens distortion parameter for chromatic aberration correction, receiving image data, primarily calculating a distance between a center point and a current pixel, secondarily calculating a distortion correction weight in consideration of the distance, and outputting image data of the current pixel through calculation according to the calculated distortion correction weight without using the stored lens distortion parameter intactly.
    Type: Application
    Filed: August 14, 2024
    Publication date: February 20, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Do Hoon LEE, Ji Hong YUK, Ho Hyub JEON, Seok Hwa JEONG, Ji Hoon CHOI
  • Patent number: 12227424
    Abstract: Provided is a method for drying a wet-gel blanket which can have an excellent heat insulation performance by minimizing shrinkage of a gel network structure that occurs during drying, and has excellent drying efficiency versus time, and a method for producing an aerogel blanket using same.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: February 18, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Mi Ri Kim, Jin Oh Song, Young Hun Kim, Se Won Baek, Jae Hoon Choi
  • Publication number: 20250052528
    Abstract: The present invention relates to a heat exchanger and a bypass valve used in the heat exchanger, which are provided in consideration of cooling/heating performance. An object of the present invention is to provide a heat exchanger, which adopts a variable path in consideration of cooling/heating performance to solve a problem in which cooling performance and heating performance vary depending on the number of paths, and a bypass valve used in the heat exchanger. More specifically, another object of the present invention is to provide a heat exchanger, which is designed to change the number of paths in consideration of cooling/heating performance so as to be optimized for performance in a cooling mode and performance in a heating mode, and a bypass valve used in the heat exchanger.
    Type: Application
    Filed: December 8, 2022
    Publication date: February 13, 2025
    Inventors: Ji Hoon CHOI, Jun-Il JANG, Wontaek LEE, Jong Du LEE, Wi Sam JO
  • Patent number: D1062552
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: February 18, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ji Hoon Choi, Kyung Ryun Shin
  • Patent number: D1063137
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: February 18, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Chang Hoon Choi, Dai Sung Kim, Byeong Ho Jeong, Won Suk Kang
  • Patent number: D1064941
    Type: Grant
    Filed: September 4, 2023
    Date of Patent: March 4, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ji Hoon Choi, Jung Sang Yu
  • Patent number: D1064942
    Type: Grant
    Filed: September 4, 2023
    Date of Patent: March 4, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ji Hoon Choi, Jung Sang Yu
  • Patent number: D1067190
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: March 18, 2025
    Assignee: LS MTRON LTD.
    Inventors: Hyun Woo Lee, Jung Hoon Choi
  • Patent number: D1067884
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: March 25, 2025
    Assignee: LS MTRON LTD.
    Inventor: Jung Hoon Choi