Patents by Inventor Bin YOO

Bin YOO 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: 12242697
    Abstract: A touch sensor according to an embodiment includes a transparent substrate layer having an active region and an inactive region, and a conductive pattern formed on the active region and including a stacked structure of a metal layer and a blackened layer. A color difference defined by Equation 1 is 10 or less.
    Type: Grant
    Filed: February 23, 2024
    Date of Patent: March 4, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dong Bin Yoo, Sun Ju Kim, Jeong Yong Seo, Hee Yong Lee, Yong Sun Han
  • Publication number: 20250054954
    Abstract: A cathode active material for a lithium secondary battery includes a coating element and lithium-nickel metal oxide particles. A coating area defined as (AC/ANi)*100 1 is 25% or more. AC is an area of a region where a content of the coating element is 1.6 wt % or more based on a total weight of the lithium-nickel metal oxide particles in a quantitative map (Q-map) image obtained through a scanning electron microscope-energy dispersive X-ray spectroscopy (SEM-EDS), and ANi is an area of a region where nickel is present in the Q-map image obtained through the SEM-EDS.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 13, 2025
    Inventors: Sung Soon PARK, Jong Hwa KIM, Yeong Bin YOO, Sang Bok KIM
  • Patent number: 12110539
    Abstract: The present invention relates to a metal ion-start DNA polymerase switch, a composition for isothermal polymerase amplification containing the same, and an isothermal amplification method using the metal ion-start DNA polymerase switch. The metal ion-start DNA polymerase switch according to the present invention may comprise: a binding module composed of TQ30 aptamer; a locking or unlocking module; and a catalytic module connecting between the binding module and the locking or unlocking module and composed of DNAzyme.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: October 8, 2024
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Seung Soo Oh, Hye Bin Yoo
  • Publication number: 20240302929
    Abstract: A touch sensor according to an embodiment includes a transparent substrate layer having an active region and an inactive region, and a conductive pattern formed on the active region and including a stacked structure of a metal layer and a blackened layer. A color difference defined by Equation 1 is 10 or less.
    Type: Application
    Filed: February 23, 2024
    Publication date: September 12, 2024
    Inventors: DONG BIN YOO, SUN JU KIM, JEONG YONG SEO, HEE YONG LEE, YONG SUN HAN
  • Publication number: 20240282951
    Abstract: A cathode active material precursor for a lithium secondary battery includes nickel and at least one metal except for nickel. The cathode active material precursor includes primary particles having a major axis length of 500 nm or less and an aspect ratio in a range from 1.0 to 3.0. A volume ratio of micropores having a pore diameter of 2 nm or less relative to a total pore volume is 1.4% or less.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 22, 2024
    Inventors: Yeong Bin YOO, Sung Soon PARK, Jong Hwa KIM, Kyung Bin YOO, Ju Wook LEE
  • Publication number: 20240204185
    Abstract: The cathode active material according to exemplary embodiments includes lithium metal oxide particle including a layered crystal structure and a cubic crystal structure, wherein the lithium metal oxide particle contains 80 mol % or more of nickel based on a total number of moles of all elements except for lithium and oxygen, and the lithium metal oxide particle includes the cubic crystal structure only in a region having a thickness of less than 200 nm from a surface thereof when analyzing a crystal structure thereof by a high-resolution transmission electron microscopy.
    Type: Application
    Filed: February 16, 2024
    Publication date: June 20, 2024
    Inventors: Yeong Bin YOO, Hee Jun KWEON, Tae Kyoung LEE, Ji Hoon CHOI, Kook Hyun HAN
  • Publication number: 20240194860
    Abstract: A cathode active material for a lithium secondary battery includes a lithium-transition metal oxide particle containing phosphorus introduced into the particle, and a coating formed on at least a portion of a surface of the lithium-transition metal oxide particle. The coating includes a phosphorus-containing compound. A content of phosphorus introduced into the lithium-transition metal oxide particle is in a range from 15 wt % to 30 wt % based on a sum of a weight of phosphorus introduced into the lithium-transition metal oxide particle and a weight of phosphorus contained in the coating.
    Type: Application
    Filed: November 16, 2023
    Publication date: June 13, 2024
    Inventors: Yeong Bin YOO, Sung Soon PARK, Keum Jung YOON, Jong Hwa KIM, Dong Il JANG
  • Publication number: 20240170665
    Abstract: A lithium secondary battery includes a cathode including a cathode active material layer that includes a plurality of lithium metal oxide particles, each lithium metal oxide particle having a form of a secondary particle including a plurality of aggregated primary particles, an anode facing the cathode, and an electrolyte solution containing a lithium salt and an organic solvent. The organic solvent includes a compound represented by a specific chemical formula. The plurality of primary particles include rod-shape particles having an aspect ratio of 1.5 to 5. The rod-shape particles have a major axis oriented in a direction from a center of the lithium metal oxide particle to a surface of the lithium metal oxide particle.
    Type: Application
    Filed: October 12, 2023
    Publication date: May 23, 2024
    Inventors: Jong Hwa KIM, In Haeng CHO, Yeong Bin YOO, Ju Wook LEE, Wan Uk CHOI
  • Patent number: 11990605
    Abstract: A lithium secondary battery comprises 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 separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a constant concentration composition.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: May 21, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Duck Chul Hwang, Kyung Bin Yoo, Kook Hyun Han
  • Patent number: 11984595
    Abstract: A lithium secondary battery includes a cathode formed from a cathode active material including a cathode active material particle having a specific concentration ratio, an anode; and a separation layer interposed between the cathode and the anode. The lithium secondary battery has improved formation discharge amount, formation discharge efficiency and power output.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: May 14, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Kyung Bin Yoo, Kook Hyun Han, Duck Chul Hwang
  • Patent number: 11936041
    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 separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a lithium metal oxide including elements the same as those of the first cathode active material particle, and the second cathode active material particle has a uniform composition from a central portion to a surface.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: March 19, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Kook Hyun Han, Kyung Bin Yoo, Duck Chul Hwang
  • Patent number: 11848442
    Abstract: A lithium secondary battery includes a cathode formed of a cathode active material including a lithium metal oxide particle having a concentration gradient, and a coating formed on the lithium metal oxide particle, the coating including aluminum, titanium and zirconium, an anode, and a separator interposed between the cathode and the anode. The cathode active material includes 2,000 ppm to 4,000 ppm of aluminum, 4,000 ppm to 9,000 ppm of titanium and 400 ppm to 700 ppm of zirconium, based on the total weight of the cathode active material. The performance of the secondary battery may be maintained under a high temperature condition.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: December 19, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Kyung Bin Yoo, Duck Chul Hwang
  • Publication number: 20230373813
    Abstract: The present invention provides a method for manufacturing a high-nickel positive electrode active material comprising the steps of preparing a raw material containing nickel and cobalt; separating a liquid intermediate by leaching a metal component in the pulverized raw material using an acid and removing impurities; and co-precipitating a precursor of a positive electrode active material by adding a chelating agent and a hydroxide precipitant to the liquid intermediate.
    Type: Application
    Filed: October 14, 2021
    Publication date: November 23, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jiyoon Kwon, Kyung Hwan Jung, Dong Hoon Han, Sungwoo Park, Sung Gwang Nam, Su Bin Yoo, Dong Myung Kim
  • Publication number: 20230268566
    Abstract: A positive electrode active material has a pressure of gas produced by a reaction with an electrolyte solution of 0.4 to 0.6 atm/mAh. The positive electrode active material according to the present disclosure allows prediction of an amount of gas produced and gas components in a secondary battery cell without actually manufacturing a secondary battery cell. In addition, a process from sample preparation to measurement completion, which is required for measuring an amount of gas produced, may be performed within a short time.
    Type: Application
    Filed: January 6, 2023
    Publication date: August 24, 2023
    Inventors: Kyung Bin YOO, Duck Chul HWANG
  • Patent number: 11735727
    Abstract: Provided is a lithium secondary battery including a cathode containing a cathode active material in which a central part has a different concentration from a surface part, and a conductive material having a specific composition ratio, and specifically, a lithium secondary battery including a cathode containing a cathode active material in which a central part of one or more kinds of metals configuring the cathode active material has a different concentration from a surface part thereof, and two or more kinds of conductive materials mixed at a specific ratio, thereby having excellent stability and high low-temperature characteristic and high output characteristic as compared to a conventional lithium secondary battery.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: August 22, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Kook Hyun Han, Kyung Bin Yoo, Duck Chul Hwang
  • Publication number: 20230178727
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present invention has a structure of a lithium-nickel-based composite oxide. A crystallite size ratio obtained by an XRD analysis is in a range from 1.5 to 3.5, and D(003) exceeds 200 nm. The crystallite size is adjusted to promote movement of lithium ions in the cathode active material so that an initial efficiency of a lithium secondary battery is improved.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 8, 2023
    Inventors: Mi Jung NOH, Kyung Bin YOO, Kook Hyun HAN
  • Publication number: 20230107279
    Abstract: A lithium secondary battery includes a cathode formed of a cathode active material including a lithium metal oxide particle having a concentration gradient, and a coating formed on the lithium metal oxide particle, the coating including aluminum, titanium and zirconium, an anode, and a separator interposed between the cathode and the anode. The cathode active material includes 2,000 ppm to 4,000 ppm of aluminum, 4,000 ppm to 9,000 ppm of titanium and 400 ppm to 700 ppm of zirconium, based on the total weight of the cathode active material. The performance of the secondary battery may be maintained under a high temperature condition.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 6, 2023
    Inventors: Kyung Bin YOO, Duck Chul HWANG
  • Publication number: 20230074735
    Abstract: The present invention relates to a metal ion-start DNA polymerase switch, a composition for isothermal polymerase amplification containing the same, and an isothermal amplification method using the metal ion-start DNA polymerase switch. The metal ion-start DNA polymerase switch according to the present invention may comprise: a binding module composed of TQ30 aptamer; a locking or unlocking module; and a catalytic module connecting between the binding module and the locking or unlocking module and composed of DNAzyme.
    Type: Application
    Filed: February 18, 2022
    Publication date: March 9, 2023
    Inventors: Seung Soo OH, Hye Bin Yoo
  • Patent number: 11581533
    Abstract: A lithium secondary battery includes a cathode formed of a cathode active material including a lithium metal oxide particle having a concentration gradient, and a coating formed on the lithium metal oxide particle, the coating including aluminum, titanium and zirconium, an anode, and a separator interposed between the cathode and the anode. The cathode active material includes 2,000 ppm to 4,000 ppm of aluminum, 4,000 ppm to 9,000 ppm of titanium and 400 ppm to 700 ppm of zirconium, based on the total weight of the cathode active material. The performance of the secondary battery may be maintained under a high temperature condition.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: February 14, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Kyung Bin Yoo, Duck Chul Hwang
  • Publication number: 20220416241
    Abstract: A lithium secondary battery according to an embodiment of the present invention comprises a cathode and an anode. The cathode comprises lithium metal oxide particles that contains lithium and metal elements. The lithium metal oxide particles have a concentration gradient region formed in at least one region between a center and a surface. A concentration of at least one of the metal elements is changed in the concentration gradient region. The anode comprises an anode active material that contains a silicon-based active material and a carbon-based active material. A content of the carbon-based active material in the anode active material is greater than a content of the silicon-based active material.
    Type: Application
    Filed: June 27, 2022
    Publication date: December 29, 2022
    Inventors: Kook Hyun HAN, Eun Jun Park, Kyung Bin Yoo, Duck Chul Hwang