Patents by Inventor Kyu Hyun Choi

Kyu Hyun 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).

  • Publication number: 20240149819
    Abstract: The present disclosure relates to an interior material for a vehicle and a method for molding the interior material for the vehicle, and more specifically the method for molding an interior material for a vehicle according to the present disclosure includes heating a skin inserted into an upper end heater and a lower end heater spaced apart from each other; preforming the heated skin using an upper mold having a mold temperature set to have a set shape and a lower mold having a second mold temperature; and pressing the preformed skin and a core using a 1-1 mold and a 1-2 mold having set mold temperatures.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, KBI Dongkook Ind. Co., Ltd.
    Inventors: Jae Hyun An, In Soo Han, Woo Hyun Lim, Kyu Ha Yoo, Dong II Son, Dong Hyuk Choi, Chang Woo Kang, Chang Bok Park, Wan Gyu Choi
  • Patent number: 11975855
    Abstract: A propulsion module of an air mobility vehicle may include a door provided in the housing and opening or closing the opening portion of the housing by a sliding motion of the door; a propeller for providing propulsion to the air mobility vehicle; a link assembly having a first end portion connected to the housing and a second end portion connected to the propeller to pull the propeller into the internal space of the housing through the opening portion or pull the propeller outside the internal space through the opening portion; and a door opening and closing portion coupled to the door and configured for providing an opening and closing force to the door according to an inward-pulling motion or an outward-pulling motion of the propeller.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: May 7, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Chung Sik Yim, Yong Hyun Nam, Jae Young Choi, Sang Hyun Jung, Dae Hee Lee, Jae Seung Lee, Kyu Hoon Cho
  • Publication number: 20240136430
    Abstract: A semiconductor device includes a first active pattern including a first lower pattern and first sheet patterns; a second active pattern including a second lower pattern and second sheet patterns, a height of the second lower pattern being smaller than a height of the first lower pattern; a first gate structure on the first lower pattern; a second gate structure on the second lower pattern; a first source/drain pattern on the first lower pattern and connected to the first sheet patterns; and a second source/drain pattern on the second lower pattern and connected to the second sheet patterns, wherein a width of an upper surface of the first lower pattern is different from a width of an upper surface of the second lower pattern, and wherein a number of first sheet patterns is different from a number of second sheet patterns.
    Type: Application
    Filed: May 24, 2023
    Publication date: April 25, 2024
    Inventors: Jongmin SHIN, Wook Hyun KWON, Su-Hyeon KIM, Jun Mo PARK, Kyu Bong CHOI
  • Publication number: 20240136674
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
  • Publication number: 20240128517
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
  • Patent number: 11939240
    Abstract: A sterilizing device includes a pipe having an inlet and an outlet and allowing fluid to move therethrough and a light source provided on one side of the pipe and providing light to the fluid. At least a portion of the pipe is provided in a spiral shape and the inlet and/or the outlet are arranged in a light emitting region.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: March 26, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young Choi, Shi Hyun Ahn, Ki Yon Park, Woong Ki Jeong, Kyu Won Han
  • Publication number: 20240088432
    Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 14, 2024
    Inventors: Kyu Ju Kwak, Won Keun Kim, Eun Ji Kwon, Samuel Seo, Yeon Jong Oh, Kyoung Han Ryu, Dong Hyun Lee, Han Su Kim, Ji Whan Lee, Seong Hoon Choi, Seung Do Mun
  • Publication number: 20240021958
    Abstract: Discussed is a battery that may include an electrode assembly including a first electrode, a second electrode and a separator wound around a winding axis, wherein the first electrode includes a first active material region coated with a first active material layer and a first uncoated region not coated with the first active material layer, and at least a part of the first uncoated region being an electrode tab; a first current collector coupled to at least a part of the first uncoated region on the electrode assembly; a battery housing to accommodate the electrode assembly and the first current collector; and an insulator interposed between at least one of the first uncoated region and the first current collector and an inner surface of the battery housing facing the at least one of the first uncoated region and the first current collector to block an electrical connection between the battery housing and the at least one of the first uncoated region and the first current collector.
    Type: Application
    Filed: January 19, 2022
    Publication date: January 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min-Ki JO, Bo-Hyun KANG, Do-Gyun KIM, Geon-Woo MIN, Su-Ji CHOI, Kwang-Su HWANGBO, Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK
  • Publication number: 20230352762
    Abstract: The present invention relates to a pouch-shaped battery cell having an easily coolable structure and a manufacturing method thereof, and more particularly to a pouch-shaped battery cell including an electrode assembly having a pair of electrode tabs connected thereto and a case configured to receive the electrode assembly, wherein a pair of electrode leads configured to be connected respectively to the pair of electrode tabs of the electrode assembly is fixed to the case, and a manufacturing method thereof.
    Type: Application
    Filed: August 2, 2022
    Publication date: November 2, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyu Hyun Choi, Jin Hak Kong, Jae Hyuk Kang
  • Publication number: 20230339038
    Abstract: The present invention relates to a welding apparatus including an electrode assembly configured such that a plurality of positive electrodes and a plurality of negative electrodes are stacked in the state in which separators are interposed therebetween, guides configured to reduce tensile force of positive electrode tabs and negative electrode tabs protruding from the electrode assembly, an anvil configured to allow the electrode tabs to be disposed thereon, and a horn configured to apply ultrasonic waves to the electrode tabs disposed on the anvil, a welding method using the same, and an electrode assembly manufactured by the welding method.
    Type: Application
    Filed: January 7, 2022
    Publication date: October 26, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gil Sang Son, Dong Yeon Kim, Kyu Hyun Choi, Jin Hak Kong
  • Publication number: 20230291015
    Abstract: A battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and second electrode, a first portion including an active material extending between a pair of first sides, and a second portion extending between the pair of first sides and exposed beyond the separator, at least a part of the second portion includes an electrode tab; a battery housing having a first end with a first opening, a second end opposite the first end, and an inner surface, the battery housing accommodating the electrode assembly; a first current collector including a tab coupling portion coupled to the second portion of the first electrode and a housing coupling portion extending from the tab coupling portion and electrically coupled to the inner surface of the battery housing; and a cap covering the first opening of the battery housing.
    Type: Application
    Filed: April 7, 2023
    Publication date: September 14, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230246243
    Abstract: A battery includes an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first region coated with an active material and a second region at a first side and adjacent to the first region, the second region being exposed beyond the separator, and at least part of the second region is an electrode tab; a housing including a first end with a first opening, the housing accommodating the electrode assembly; a first current collector including an edge portion on the electrode assembly, a second region coupling portion extending from the edge portion and coupled with the second region, and a terminal coupling portion spaced apart from the second region coupling portion; and a terminal coupled with the terminal coupling portion.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Su-Ji CHOI, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Hae-Jin LIM, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230246245
    Abstract: A battery can include an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode. The first electrode can have a pair of first sides and a pair of second sides extending between the pair of first sides, a first portion including an active material extending between the pair of first sides, and a second portion extending between the pair of first sides and exposed beyond the separator along a winding direction. The battery can further include a battery housing having a first opening at a first end and a second end with a second opening opposite the first end, a first current collector including a support portion positioned on the electrode assembly, and a housing cover which seals the first opening.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Su-Ji CHOI, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230246302
    Abstract: A battery can include an electrode assembly having a first electrode, a second electrode and a separator. The first electrode can include a first active material region coated with an active material layer along a winding direction and a first uncoated region not coated with the active material layer, and at least part of the first uncoated region used as an electrode tab. The battery can further include a first current collector coupled to at least part of the first uncoated region on the electrode assembly, a battery housing to accommodate the electrode assembly and the first current collector, and an insulator between an inner surface of the battery housing facing the first uncoated region or the first current collector and the first uncoated region or the first current collector to block the electrical connection between the first uncoated region and the battery housing.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min-Ki JO, Bo-Hyun KANG, Do-Gyun KIM, Geon-Woo MIN, Su-Ji CHOI, Kwang-Su HWANGBO, Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK
  • Publication number: 20230246244
    Abstract: A battery can include an electrode assembly, a battery housing, a terminal and a cap. The electrode assembly can have a first electrode, a second electrode and a separator between the first electrode and the second electrode. Each of the first electrode and the second electrode can have a first portion including an active material corresponding to the separator, and a second portion exposed beyond the separator and not coated with the active material. The battery housing can have a first end with a first opening and a second end with a second opening opposite the first end. The terminal can be electrically connected to the second portion of the first electrode and exposed out of the battery housing through the first opening of the battery housing at the first end.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230231173
    Abstract: A pouch-shaped battery case shaping apparatus includes a die having an open recess sized to correspond to an electrode assembly, a punch configured to draw a sheet into the open recess and thereby shape the sheet, a holder configured to fix ends of the sheet to the die during drawing of the sheet, and a lubricant supply unit configured to supply a lubricant to the sheet to minimize surface damage to the sheet due to the drawing of the sheet. A pouch-shaped battery case manufacturing process uses the pouch-shaped battery case shaping apparatus to shape the sheet.
    Type: Application
    Filed: September 17, 2021
    Publication date: July 20, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ho June Chi, Hang June Choi, Jeong Oh Moon, Kyu Hyun Choi, Jin Hak Kong
  • Publication number: 20230133740
    Abstract: An electrode assembly, a battery, and a battery pack and a vehicle including the same are provided. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes a first portion coated with an active material and a second portion at a first side and adjacent the first portion, the second portion being exposed beyond the separator along a first axial direction of the electrode assembly. A part of the second portion is bent in a radial direction of the electrode assembly forming a first surface region including stacked layers of the second portion, and in a partial region of the first surface region, a number of the stacked layers of the second portion is 10 or more in the in the first axial direction.
    Type: Application
    Filed: December 21, 2022
    Publication date: May 4, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
  • Publication number: 20230140192
    Abstract: The present invention relates to a welding apparatus including an electrode tab fixing portion capable of maintaining the distance between and the shape of electrode tabs while minimizing damage to electrode tabs when welding the electrode tabs and an electrode tab welding method using the same.
    Type: Application
    Filed: August 23, 2021
    Publication date: May 4, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gil Sang Son, Jin Hak Kong, Dong Yeon Kim, Kyu Hyun Choi
  • Publication number: 20230130340
    Abstract: The riveting structure of an electrode terminal for a battery includes a battery housing having a bottom; an electrode terminal riveted through a hole formed in the bottom of the battery housing; and a gasket between the electrode terminal and the battery housing. Also, the electrode terminal includes a body portion inserted into the hole; an outer flange portion extending along an outer surface of the bottom of the battery housing from a first side of the body portion exposed through the outer surface; an inner flange portion extending toward an inner surface of the bottom of the battery housing from a second side of the body portion exposed through the inner surface; and a flat portion on the second side of the body portion.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 27, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Geon-Woo MIN, Min-Ki JO, Do-Gyun KIM, Jae-Woong KIM, Kwang-Su HWANGBO, Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Hae-Jin LIM, Su-Ji CHOI, Bo-Hyun KANG, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230121876
    Abstract: An electrode assembly includes a first electrode; a second electrode; and a separator, the first electrode, the second electrode, and the separator wound about an axis defining a core and an outer circumference of the electrode assembly. The first electrode has a pair of first sides and a pair of second sides, a first portion extending between the pair of first sides, and a second portion extending between the pair of first sides, the first portion being coated with an active material, and at least a part of the second portion includes an electrode tab. The second portion includes a first part adjacent to the core of the electrode assembly, a second part adjacent to the outer circumference of the electrode assembly, and a third part between the first part and the second part. The first or second part has a smaller height than the third part.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 20, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI