Patents by Inventor Yong Hyun Cho

Yong Hyun Cho 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: 20250021784
    Abstract: A smart IC substrate according to an embodiment includes: a substrate including one surface and the other surface; a circuit pattern and a connection circuit pattern disposed on the one surface; and a coil pattern disposed on the other surface, wherein a chip mounting region is formed on the other surface, the coil pattern is electrically connected to a first terminal and a second terminal, the substrate includes a first region disposed inside the coil pattern and a second region disposed outside the coil pattern, the first terminal is disposed in the first region, the second terminal is disposed in the second region, a first via is formed in the first region corresponding to the circuit pattern of the substrate, a second via is formed in the second region of the substrate, a third via is formed in the first region corresponding to the connection circuit pattern of the substrate, and a connection member is disposed inside the second via.
    Type: Application
    Filed: September 30, 2024
    Publication date: January 16, 2025
    Inventors: Seung Joon KIM, Jun Young LIM, Yong Hyun CHO
  • Publication number: 20240396037
    Abstract: A cathode active material for a lithium secondary battery including a lithium-transition metal composite oxide particle is provided. A crystal grain size of the lithium-transition metal composite oxide particle measured by an XRD analysis is 250 nm or more, and an XRD peak intensity ratio of the lithium-transition metal composite oxide particle is 9.8% or less. A lithium secondary battery including the lithium-transition metal composite oxide particle and having improved life-span and rate capability is provided.
    Type: Application
    Filed: August 1, 2024
    Publication date: November 28, 2024
    Inventors: Sang Han LEE, Min Gu KANG, Jeong Bae YOON, Yong Hyun CHO
  • Publication number: 20240396033
    Abstract: A cathode active material for a lithium secondary battery includes a lithium-transition metal oxide particle. A crystal index (CI) of the lithium-transition metal oxide particle is 15 or more. A lithium secondary includes a cathode including the cathode active material, and an anode facing the cathode. The cathode active material and the lithium secondary battery have improved operational reliability and thermal stability.
    Type: Application
    Filed: May 17, 2024
    Publication date: November 28, 2024
    Inventors: Sang Wook LEE, Sang Han LEE, Byoung Beom LIM, Min Cheol BEAK, Yong Hyun CHO
  • Patent number: 12136009
    Abstract: A smart IC substrate according to an embodiment includes: a substrate including one surface and the other surface; a circuit pattern and a connection circuit pattern disposed on the one surface; and a coil pattern disposed on the other surface, wherein a chip mounting region is formed on the other surface, the coil pattern is electrically connected to a first terminal and a second terminal, the substrate includes a first region disposed inside the coil pattern and a second region disposed outside the coil pattern, the first terminal is disposed in the first region, the second terminal is disposed in the second region, a first via is formed in the first region corresponding to the circuit pattern of the substrate, a second via is formed in the second region of the substrate, a third via is formed in the first region corresponding to the connection circuit pattern of the substrate, and a connection member is disposed inside the second via.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: November 5, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seung Joon Kim, Jun Young Lim, Yong Hyun Cho
  • Publication number: 20240304804
    Abstract: A positive electrode active material according to an Example of the present invention may comprise a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element, wherein an I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.
    Type: Application
    Filed: May 21, 2024
    Publication date: September 12, 2024
    Inventors: Sang Han Lee, Sang Wook Lee, Byoung Beom Lim, Yong Hyun Cho
  • Patent number: 12087945
    Abstract: A cathode active material for a lithium secondary battery including a lithium-transition metal composite oxide particle is provided. A crystal grain size of the lithium-transition metal composite oxide particle measured by an XRD analysis is 250 nm or more, and an XRD peak intensity ratio of the lithium-transition metal composite oxide particle is 9.8% or less. A lithium secondary battery including the lithium-transition metal composite oxide particle and having improved life-span and rate capability is provided.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: September 10, 2024
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Sang Han Lee, Min Gu Kang, Jeong Bae Yoon, Yong Hyun Cho
  • Patent number: 12074310
    Abstract: A lithium secondary battery comprises a cathode, an anode, a separator and a nonaqueous electrolyte solution. The cathode includes a first cathode active material in which at least one of metals included in the first cathode material has a concentration gradient region between a central portion and a surface portion, and a second cathode active material having a single particle structure. The lithium secondary battery has improved life-span and penetration stability.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: August 27, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Soo Ho Kim, Min Gu Kang, Young Hoon Do, Yong Hyun Cho
  • Patent number: 12015152
    Abstract: A positive electrode active material may include a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element. An I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: June 18, 2024
    Assignee: SK On Co., Ltd.
    Inventors: Sang Han Lee, Sang Wook Lee, Byoung Beom Lim, Yong Hyun Cho
  • Patent number: 12009491
    Abstract: A lithium secondary battery according to an embodiment of the present invention includes an electrode assembly including a separation layer, and a plurality of cathodes and a plurality of anodes separated by the separation layer and repeatedly stacked, and a gas adsorption layer coated on a single surface of an outermost anode among the plurality of anodes.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: June 11, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Han Lee, Yong Hyun Cho, Min Gu Kang, Min Suk Kang, Yoon Ji Lee
  • Patent number: 11990615
    Abstract: A cathode active material for a lithium secondary battery includes a lithium-transition metal composite oxide particle having a lattice strain (?) of 0.18 or less, which is calculated by applying Williamson-Hall method defined by Equation 1 to XRD peaks measured through XRD analysis, and having an XRD peak intensity ratio of 8.9% or less, which is defined by Equation 2. By controlling the lattice strain and XRD peak intensity ratio of the lithium-transition metal composite oxide particle, a lithium secondary battery with improved life-span characteristics as well as output characteristics is provided.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: May 21, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Han Lee, Min Gu Kang, Jeong Bae Yoon, Yong Hyun Cho
  • Publication number: 20240162478
    Abstract: A lithium secondary battery includes a cathode including a cathode active material that contains lithium metal oxide particles, an anode facing the cathode, and a non-aqueous electrolyte solution including a non-aqueous organic solvent that contains a fluorine-based organic solvent and a lithium salt. A ratio of the number of moles of lithium contained in each of the lithium metal oxide particles to the total number of moles of metals excluding lithium contained in each of the lithium metal oxide particles is 1.05 or more. A content of the fluorine-based organic solvent is in a range from 5 vol % to 60 vol % based on a total volume of the non-aqueous organic solvent.
    Type: Application
    Filed: September 20, 2023
    Publication date: May 16, 2024
    Inventors: Young Uk PARK, In Haeng CHO, Seung Hyun KIM, Ki Sung PARK, Min Woo PARK, Seon Yeong PARK, Yong Hyun CHO
  • Publication number: 20240154112
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment includes lithium metal oxide particles containing lithium and nickel, and containing a small amount of cobalt or no cobalt. An average particle diameter, a modulus and a hardness of the lithium metal oxide particles are adjusted to satisfy a desired relation. A lithium secondary battery has improved high-temperature storage properties, structural stability and high power properties.
    Type: Application
    Filed: October 24, 2023
    Publication date: May 9, 2024
    Inventors: Hong Ki KIM, Min Gu KANG, Seung Hyun KIM, Young Hoon DO, Young Uk PARK, Yoon Ji LEE, Yong Hyun CHO
  • Patent number: 11978899
    Abstract: A cathode for a lithium secondary battery according to an embodiment of the present invention includes a cathode current collector, and a cathode active material layer on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles include first lithium metal oxide particles having a shape of a secondary particle in which a plurality of primary particles are aggregated, and second lithium metal oxide particles having a shape of a single particle. A closed pore ratio of the cathode active material layer is 5% or less.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: May 7, 2024
    Assignees: SK ON CO., LTD., SK INNOVATION CO., LTD.
    Inventors: Young Hoon Do, Byoung Beom Lim, Jeong Hoon Jeun, Yong Hyun Cho
  • Publication number: 20240128447
    Abstract: A positive electrode active material may include a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element. An I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.
    Type: Application
    Filed: July 3, 2023
    Publication date: April 18, 2024
    Inventors: Sang Han Lee, Sang Wook Lee, Byoung Beom Lim, Yong Hyun Cho
  • Publication number: 20240105938
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present disclosure includes first lithium metal phosphate particles, each first lithium metal phosphate particle having a secondary particle shape formed by aggregation of primary particles and having an average particle diameter (D50) in a range from 5 ?m to 10 ?m, second lithium metal phosphate particles, each having a single particle and having an average particle diameter in a range from 1 ?m to 3 ?m, and third lithium metal phosphate particles, each having a single particle shape and having an average particle diameter less than 1 ?m.
    Type: Application
    Filed: March 24, 2023
    Publication date: March 28, 2024
    Inventors: Min Suk KANG, Ji Yae DO, Min Cheol BEAK, Sang Wook LEE, Yong Hyun CHO
  • Publication number: 20240072298
    Abstract: Provided is a lithium secondary battery, and the lithium secondary battery of the present invention includes: a positive electrode including a first lithium-metal oxide including secondary particles formed by aggregating primary particles having a particle diameter of 2 ?m or less and a second lithium-metal oxide including nickel and at least one or more metals selected from the group consisting of manganese (Mn) and cobalt (Co) and including particles having a primary particle diameter of 2 ?m or more; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, wherein the electrolyte includes a lithium salt, a nonaqueous organic solvent, and a difluorophosphite compound containing at least one or more difluorophosphite groups.
    Type: Application
    Filed: October 3, 2023
    Publication date: February 29, 2024
    Inventors: Young Hoon DO, Yoon Ji LEE, Yong Hyun CHO, In Haeng CHO
  • Patent number: 11905204
    Abstract: According to an embodiment, a cover glass includes a glass plate forming at least a portion of an electronic device, and a first coat layer deposited on a surface of the glass plate, the first coat layer at least partially including a network structure. The first coat layer includes silicon (Si), oxygen (O), and at least one impurity, and such that Si—O bonds are 80% or more by weight of the first coat layer. A polysilazane-applied coat is laid over one surface of the reinforced glass plate, providing an elegant haze glass cover.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: February 20, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wook-Tae Kim, In-Gi Kim, Ji-Won Lee, Chang-Soo Lee, Hyung-jin Lee, Gyu-Ha Jo, Yong-Hyun Cho
  • Patent number: 11909030
    Abstract: A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separation layer interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide in which at least one metal forms a concentration gradient. The second cathode active material particle includes primary particles having different shapes or crystalline structures from each other.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: February 20, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Min Gu Kang, Soo Ho Kim, Young Hoon Do, Yong Hyun Cho
  • Patent number: 11900720
    Abstract: A circuit board according to an embodiment includes: a substrate including one surface and the other surface; a first circuit pattern disposed on the one surface; and a second circuit pattern disposed on the other surface, wherein at least one via is formed in the substrate, and the first circuit pattern and the second circuit pattern are wire-bonded through the via to conduct electricity.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: February 13, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seung Joon Kim, Yong Hyun Gwon, Yong Hyun Cho
  • Publication number: 20230361291
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium-transition metal oxide particle. The lithium-transition metal oxide particle has a FWHM ratio measured by an in-situ X-ray Diffraction spectroscopy (XRD) and defined by Equation 1 of 400% or less. Life-span properties of a lithium secondary battery can be improved by preventing deformation of a lattice structure and/or a crystal structure in the lithium-transition metal composite oxide particles.
    Type: Application
    Filed: April 25, 2023
    Publication date: November 9, 2023
    Inventors: Ji Yae DO, Jeong Bae YOON, Min Suk KANG, Hee Jun KWEON, Sang Bok KIM, Yong Hyun CHO, Dong Wook HA