Patents by Inventor Min Seo

Min Seo 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: 20250100772
    Abstract: A panel packaging tray includes a packaging case including a sidewall which defines a receiving section in which a display panel is accommodated and a plurality of supports disposed on an inside surface of the sidewall, where the supports guide a position of the display panel on a plane crossing the inside surface. A supporter of the supports includes a fixing unit coupled with the sidewall and a buffer unit disposed between the fixing unit and the display panel. The buffer unit includes a straight portion, a corner portion, and a curved portion located between the straight portion and the corner portion, based on a direction parallel to the plane. A curvature of a curved surface included in the curved portion is determined by a maximum tilt angle by which the display panel is allowed to be tilted in a state of being accommodated in the receiving section.
    Type: Application
    Filed: December 10, 2024
    Publication date: March 27, 2025
    Inventors: TAEGIL KANG, JEONG-MIN SEO, BYUNG JIN KIM
  • Patent number: 12259440
    Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.
    Type: Grant
    Filed: August 25, 2023
    Date of Patent: March 25, 2025
    Assignee: SK On Co., Ltd.
    Inventors: Kyung Chul Ko, Jeong Min Seo, Byung Eun Lee
  • Patent number: 12252759
    Abstract: Provided is a steel sheet and a method for manufacturing same, the steel sheet, which can be used for automobile parts and the like, having superb bendability, and excellent balance of strength and ductility and of strength and hole expansion ratio. The steel sheet includes: by wt %, C: 0.25 to 0.75%, Si: 4.0% or less, Mn: 0.9 to 5.0%, Al: 5.0% or less, P: 0.15% or less, S: 0.03% or less, N: 0.03% or less, a balance of Fe, and unavoidable impurities; and as microstructures, ferrite which is a soft structure, and tempered martensite, bainite, and retained austenite which are hard structures.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 18, 2025
    Assignee: POSCO CO., LTD
    Inventors: Jae-Hoon Lee, Min-Seo Koo, Tae-Oh Lee
  • Publication number: 20250079449
    Abstract: A cathode active material for a lithium secondary battery includes first lithium metal phosphate particles and second lithium metal phosphate particles. The first lithium metal phosphate particles have a single particle shape. The second lithium metal phosphate particles include iron and manganese, and have a secondary particle shape in which primary particles are aggregated.
    Type: Application
    Filed: August 19, 2024
    Publication date: March 6, 2025
    Inventors: Chang Geun SON, Yae Seol Nam, Jung Min SEO, Ji Soo HAN
  • Publication number: 20250070259
    Abstract: An all-solid-state battery includes a positive-electrode stack including a positive-electrode and a first external solid electrolyte layer formed on at least one surface of the positive-electrode; and a negative-electrode stack including a negative-electrode and a second external solid electrolyte layer formed on at least one surface of the negative-electrode, wherein the first external solid electrolyte layer of the positive-electrode stack and the second external solid electrolyte layer of the negative-electrode stack face each other and are in contact with each other, wherein the first external solid electrolyte layer and the second external solid electrolyte layer include sulfide-based solid electrolytes having different chemical compositions. Further, a manufacturing method of the battery is provided.
    Type: Application
    Filed: March 14, 2024
    Publication date: February 27, 2025
    Inventors: Sung Hoo Jung, Ga Young Choi, Gyeong Min Bak, Ji Chang Kim, Hyun Min Seo
  • Publication number: 20250062426
    Abstract: The present disclosure relates to an all-solid-state battery defect detection apparatus, system, and method. An exemplary embodiment of the present disclosure provides an all-solid-state battery defect detection apparatus including: a processor configured to detect a defect in an all-solid-state battery by using a pressure distribution measurement of the all-solid-state battery at ends of charging and discharging of the all-solid-state battery immediately after fastening a pressurizing jig to the all-solid-state battery; and a storage configured to store data and algorithms driven by the processor.
    Type: Application
    Filed: March 14, 2024
    Publication date: February 20, 2025
    Inventors: Ga Young Choi, Ji Chang Kim, Gyeong Min Bak, Sung Hoo Jung, Hyun Min Seo
  • Publication number: 20250044647
    Abstract: The present application provides a substrate comprising a spacer pattern. The present application can provide a substrate, which is applied to various optical devices, capable of evenly and stably maintaining a gap between substrates while maximally securing an active region without causing any optical defects, including a diffraction phenomenon, and the like. The present application can also provide an optical device comprising the substrate.
    Type: Application
    Filed: December 7, 2022
    Publication date: February 6, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Han Min Seo, Young Jin Park, Seung Heon Lee
  • Patent number: 12218323
    Abstract: There is provided a method for collecting and reusing an active material from positive electrode scrap. The positive electrode active material reuse method of the present disclosure includes (a) thermally treating positive electrode scrap comprising an active material layer on a current collector in air for thermal decomposition of a binder and a conductive material in the active material layer, to separate the current collector from the active material layer, and collecting an active material in the active material layer, (b) washing the collected active material using a lithium precursor aqueous solution which is basic in an aqueous solution and drying, and (c) annealing the washed active material to obtain a reusable active material.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: February 4, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Se-Ho Park, Min-Seo Kim, Doo-Kyung Yang, Myung-Hwan Kim
  • Publication number: 20250038288
    Abstract: The present disclosure relates to a recycled cathode active material, a method of producing the same, and a secondary battery including the same. Specifically, the method of producing a recycled cathode active material according to the present disclosure includes: step (a) of separating a current collector from a cathode active material layer and recovering a cathode active material in the cathode active material layer by thermally decomposing a binder and a conductive material in the cathode active material layer by heat-treating a waste cathode including the current collector and the cathode active material layer formed on the current collector; and step (b) of adding a lithium precursor and a cobalt-containing coating agent to the recovered cathode active material and performing annealing.
    Type: Application
    Filed: October 11, 2023
    Publication date: January 30, 2025
    Inventors: Hyemin YU, Yeon Jun KIM, Doo Kyung YANG, Min Seo KIM, Jeong Mi CHOI, Eunkyu SEONG
  • Publication number: 20250035990
    Abstract: The present application provides a substrate comprising a spacer pattern. The present application can provide a substrate, which is applied to various optical devices, capable of evenly and stably maintaining a gap between substrates while maximally securing an active region without causing any optical defects, including a diffraction phenomenon, and the like. The present application can also provide an optical device comprising the substrate.
    Type: Application
    Filed: December 7, 2022
    Publication date: January 30, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Han Min Seo, Seung Heon Lee, Jin Hong KIm, Min Jun Gim, Young Jin Park
  • Publication number: 20250033993
    Abstract: The present disclosure relates to a recycled positive electrode active material, a method of producing the recycled positive electrode active material, and a secondary battery including the same. The recycled positive electrode active material, including: 60 mol % or more of Ni; and crystalline LiF, or 0.24% by weight or less of residual Li2CO3, where the recycled positive electrode active material is one or more selected from the group consisting of a lithium nickel oxide (LNO)-based positive electrode active material, a nickel·cobalt·manganese (NCM)-based positive electrode active material, a nickel·cobalt·aluminum (NCA)-based positive electrode active material, and a nickel·cobalt·manganese·aluminum (NCMA)-based positive electrode active material.
    Type: Application
    Filed: June 26, 2023
    Publication date: January 30, 2025
    Inventors: Yongsik SEO, Doo Kyung YANG, Min Seo KIM, Jeong Mi CHOI, Se Ho PARK, Jeongbae LEE, Eunkyu SEONG, Yeon Jun KIM, Hyemin YU
  • Publication number: 20250030076
    Abstract: The present disclosure relates to a recycled positive electrode active material, a method of producing the recycled positive electrode active material, and a secondary battery including the same. The recycled positive electrode active material, including: 60 mol % or more of Ni, 250 mg/kg or less of fluorine (F), and having a crystallite size of 122 nm or less, where the recycled positive electrode active material is one or more selected from the group consisting of a lithium nickel oxide (LNO)-based positive electrode active material, a nickel·cobalt·manganese (NCM)-based positive electrode active material, a nickel·cobalt·aluminum (NCA)-based positive electrode active material, and a nickel·cobalt·manganese·aluminum (NCMA)-based positive electrode active material.
    Type: Application
    Filed: June 26, 2023
    Publication date: January 23, 2025
    Inventors: Jeong Mi CHOI, Doo Kyung YANG, Min Seo KIM, Eunkyu SEONG, Yeon Jun KIM, Hyemin YU
  • Patent number: 12199798
    Abstract: A transmission/reception method and device for isolated communication is proposed. The transmission/reception method includes performing transmission, wherein bit streams are extracted from data and two or more predetermined number of bits are modulated into one DC balanced symbol so as to generate a signal in which a plurality of symbols are listed, thereby transmitting the signal through an isolated communication circuit, and performing reception, wherein the signal is received through the isolated communication circuit and the plurality of symbols included in the signal are demodulated into the two or more predetermined number of bits so as to generate the bit streams and organize the bit streams into the data. The transmission/reception method and device may reduce power consumption at the same communication speed because a plurality of bits is represented by the one DC balanced symbol.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: January 14, 2025
    Assignees: SK ON CO., LTD., AUTOSILICON INC.
    Inventors: Jae Hee Lee, Woo Jung Kim, Ki Man La, Sang Hae Park, Jeong Min Seo, Ki Bum Sung, Ho Sang Jang, Jong Kyoung Lee, Jin Yong Jeon
  • Patent number: 12195260
    Abstract: A panel packaging tray includes a packaging case including a sidewall which defines a receiving section in which a display panel is accommodated and a plurality of supports disposed on an inside surface of the sidewall, where the supports guide a position of the display panel on a plane crossing the inside surface. A supporter of the supports includes a fixing unit coupled with the sidewall and a buffer unit disposed between the fixing unit and the display panel. The buffer unit includes a straight portion, a corner portion, and a curved portion located between the straight portion and the corner portion, based on a direction parallel to the plane. A curvature of a curved surface included in the curved portion is determined by a maximum tilt angle by which the display panel is allowed to be tilted in a state of being accommodated in the receiving section.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: January 14, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taegil Kang, Jeong-Min Seo, Byung Jin Kim
  • Publication number: 20250011889
    Abstract: The present invention relates to an ultra-high strength cold-rolled steel sheet and a manufacturing method thereof and, more specifically, to a cold-rolled steel sheet and a manufacturing method thereof, wherein the cold-rolled steel sheet has a tensile strength of 1.5 GPa and exhibits an excellent elongation rate, and as such, can be suitably used for cold stamping.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 9, 2025
    Applicant: POSCO CO., LTD
    Inventors: Eun-Young Kim, Min-Seo Koo
  • Publication number: 20250006917
    Abstract: A lithium secondary battery includes a positive electrode including a first positive electrode active material and a second positive electrode active material and a negative electrode including a first negative electrode active material and a second negative electrode active material. The first positive electrode active material may have a higher specific capacity value than the second positive electrode active material, the first negative electrode active material may have a higher specific capacity value than the second negative electrode active material, and the lithium secondary battery may have an R value of 0.1 to 35 according to Equation 1 below. R ? = X / Y [ Equation ? 1 ] In Equation 1, X is a content ratio of a positive electrode active material and Y is a content ratio of a negative electrode active material.
    Type: Application
    Filed: June 18, 2024
    Publication date: January 2, 2025
    Inventors: Jae Hui PARK, Jeong Min SEO
  • Publication number: 20240419142
    Abstract: A battery manufacturing method according to the present disclosure includes generating a virtual identifier (ID) corresponding to a battery cell, shifting the virtual ID according to a progression of processes included in a process line for the battery cell, storing the shifted virtual ID and associating the shifted virtual ID with process data generated for the battery cell, extracting a cell ID for the battery cell, and matching the process data associated with the shifted virtual ID with the cell ID, and transmitting the process data to an upper control system.
    Type: Application
    Filed: September 6, 2023
    Publication date: December 19, 2024
    Inventors: Eun Ji Jo, Min Su Kim, Wi Dae Park, Jong Seok Park, Dong Min Seo, Seol Hee Kim
  • Publication number: 20240417276
    Abstract: Provided is a method for preparing iridium oxide, comprising the steps of: preparing iridium chloride; mixing iridium chloride, a solvent and a pore control agent to prepare a dispersion; mixing the dispersion with an ion exchanging agent and performing ion exchange; removing the solvent from the dispersion to prepare a powder; and heat-treating the powder.
    Type: Application
    Filed: December 12, 2022
    Publication date: December 19, 2024
    Inventors: Ho-Dong KIM, Dong Kun KANG, Minsik KIM, Youngsan YOO, Jung Min SEO
  • Publication number: 20240413333
    Abstract: Disclosed is an all-solid-state battery which may prevent detachment in an anode during an ultrasonic-welding process of connecting an anode terminal part to an anode current collector.
    Type: Application
    Filed: September 6, 2023
    Publication date: December 12, 2024
    Inventors: Hyun Min Seo, Jae Ho Shin
  • Publication number: 20240413314
    Abstract: A cathode according to an embodiment of the present disclosure may include a cathode current collector including a first surface and a second surface; a first cathode material formed on the first surface of the cathode current collector; and a second cathode material formed on the second surface of the cathode current collector. Each of the first cathode material and the second cathode material may include a first cathode active material and a second cathode active material. The first cathode active material and the second cathode active material have different operating voltage ranges. The weight ratio of the first cathode active material and the second cathode active material included in the first cathode material and the weight ratio of the first cathode active material and the second cathode active material included in the second cathode material may be different.
    Type: Application
    Filed: June 5, 2024
    Publication date: December 12, 2024
    Inventors: Jung Min SEO, Yae Seol NAM, Chang Geun SON, Seung Ryul CHOI, Ji Soo HAN