Patents by Inventor In Tae Hwang

In Tae Hwang 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: 12046556
    Abstract: A FINFET includes a substrate having a semiconductor fin extending upward from a first surface thereof, and first and second power rails on first and second opposing sides of the semiconductor fin, respectively. A base of the semiconductor fin may be recessed within a trench within the surface of the substrate, and the first and second power rails may at least partially fill the trench. A through-substrate via may be provided, which extends from adjacent a second surface of the substrate to at least one of the first and second power rails. A source/drain contact is also provided, which is electrically connected to a source/drain region of the FINFET and at least one of the first and second power rails.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: July 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui Bok Lee, Wan Don Kim, Hyun Bae Lee, Yoon Tae Hwang
  • Patent number: 12040473
    Abstract: The present disclosure provides a method for manufacturing a positive electrode for a secondary battery, the method including forming a positive electrode mixture layer including a positive electrode active material on a positive electrode current collector, and forming a metal oxide coating layer on the positive electrode mixture layer by atomic layer deposition, wherein the positive electrode active material includes lithium composite transition metal oxide particles and a boron-containing coating layer formed on the lithium composite transition metal oxide particles, and the lithium composite transition metal oxide particles include nickel (Ni), cobalt (Co), and manganese (Mn), wherein the nickel (Ni) is 60 mol % or greater of all metals excluding lithium.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: July 16, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Sung Bin Park, Dong Hun Lee, Hyung Man Cho, Jung Min Han, Jin Tae Hwang, Wang Mo Jung
  • Publication number: 20240213471
    Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.
    Type: Application
    Filed: December 14, 2023
    Publication date: June 27, 2024
    Applicant: LG. Energy Solution, Ltd.
    Inventors: Eun Sol Lho, Jin Tae Hwang, Su Yeon Oh, Byung Chun Park, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong II Kim
  • Patent number: 12011780
    Abstract: Provided is a welding apparatus having a fume elimination function. The welding apparatus efficiently eliminates fume generated while a welding object is being welded using a laser.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: June 18, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jun Soo Kim, Young Soo Song, Chun Hong Park, Ye Hoon Im, Sung Tae Hwang
  • Publication number: 20240194852
    Abstract: A positive electrode active material includes a lithium transition metal oxide and a coating element M3-containing coating layer formed on a surface of the lithium transition metal oxide, wherein M3 comprises at least one of Al, Ti, Mg, Zr, W, Y, Sr, or Co, wherein the lithium transition metal oxide is doped with a doping element M2, wherein M2 includes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the total amount of the doping element M2 and the coating element M3 is in a range of 4,580 ppm to 9,120 ppm based on a total weight of the positive electrode active material.
    Type: Application
    Filed: January 12, 2024
    Publication date: June 13, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Tae Gu Yoo, Yong Uk Park, Jin Tae Hwang, Wang Mo Jung, Sung Bin Park
  • Patent number: 11993846
    Abstract: A method of preparing a positive electrode active material for a secondary battery includes preparing a lithium composite transition metal oxide which includes nickel, cobalt, and manganese and contains 60 mol % or more of the nickel among all metals except lithium, adding a moisture absorbent and the lithium composite transition metal oxide into an atomic layer deposition (ALD) reactor, and adding a coating metal precursor into the atomic layer deposition (ALD) reactor and forming a metal oxide coating layer on surfaces of particles of the lithium composite transition metal oxide by atomic layer deposition (ALD).
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Seul Ki Chae, Dae Jin Lee, Dong Hwi Kim, Jin Tae Hwang, Hyeong Il Kim, Wang Mo Jung, Dong Hun Lee
  • Patent number: 11996554
    Abstract: A method for producing a high-nickel positive electrode active material, a positive electrode active material produced thereby, and a positive electrode and a lithium secondary battery including the same is provided. The method includes preparing a lithium composite transition metal oxide having a nickel content of 80 atm % or greater among transition metals, washing the lithium composite transition metal oxide, and mixing the washed lithium composite transition metal oxide with an aluminum raw material and heat treating the mixture at a temperature of 650° C. to 690° C. to obtain a positive electrode active material having a surface portion doped with aluminum.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jin Tae Hwang, Dong Hun Lee, Sung Bin Park, Hyung Man Cho, Jung Min Han, Wang Mo Jung
  • Publication number: 20240170669
    Abstract: Lithium secondary batteries are disclosed. In an embodiment, a lithium secondary battery includes an anode including an anode active material that includes carbon-based active material particles including carbon, the carbon-based active material particles having a Brunauer-Emmett-Teller (BET) specific surface area of 3.0 m2/g to 5.0 m2/g and an average particle diameter (D50) of 5?m to 7.5 ?m, a cathode facing the anode, and a non-aqueous electrolyte solution including a non-aqueous organic solvent that includes a propionate-based organic solvent including propionate and a lithium salt. A content of the propionate-based organic solvent relative to a total volume of the non-aqueous organic solvent is 55 vol % or more.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Eun Jin KIM, You Kyung PARK, Jung Hyun SEO, Eun Sam CHO, Jeong Tae HWANG, Mi Ryeong LEE, Yoon Ji LEE
  • Publication number: 20240170476
    Abstract: A device includes a first integrated circuit, where the first integrated circuit includes a first inductor comprising a first pattern disposed in a first conductive layer. The first integrated circuit further comprises a first capacitor including a first electrode disposed in the first conductive layer and electrically connected to the first inductor and a second electrode disposed in a second conductive layer above the first conductive layer and electrically connected to a first bonding wire.
    Type: Application
    Filed: November 15, 2023
    Publication date: May 23, 2024
    Inventor: Jong Tae HWANG
  • Patent number: 11978888
    Abstract: A ceria-carbon-sulfur (CeO2—C—S) composite including a ceria-carbon (CeO2—C) composite in which cylindrical carbon materials having ceria (CeO2) particles bonded to surfaces thereof are entangled and interconnected to each other in three dimensions; and sulfur introduced into at least a portion of an outer surface and an inside of the ceria-carbon composite, a method for preparing the same, and positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: May 7, 2024
    Assignees: LG ENERGY SOLUTION, LTD., SOGANG UNIVERSITY RESEARCH FOUNDATION
    Inventors: Seungbo Yang, Kwonnam Sohn, Jun Hyuk Moon, Doo Kyung Yang, Donghee Gueon, Jeong Tae Hwang
  • Patent number: 11960755
    Abstract: A semiconductor memory device comprises: first storage logic configured to store, as first addresses, ‘K’ addresses having different values among input addresses applied during the enable period of a reference signal, second storage logic configured to store, as second addresses, ‘L’ addresses corresponding to a time point at which the enable period of the reference signal is ended among the input addresses, an order controller configured to determine a first output order of each of the first addresses based on a number of times each of the first addresses is repeatedly input, and to determine a second output order for outputting mixed addresses obtained by mixing the first addresses based on the first output order and the second addresses together, and refresh operation logic configured to apply the mixed addresses according to the second output order, to a target refresh operation.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: April 16, 2024
    Assignee: SK hynix Inc.
    Inventors: Woongrae Kim, Kwi Dong Kim, Chul Moon Jung, Jeong Tae Hwang
  • Patent number: 11955487
    Abstract: A semiconductor device includes a first and second channel patterns on a substrate, each of the first and second channel patterns including vertically-stacked semiconductor patterns; a first source/drain pattern connected to the first channel pattern; a second source/drain pattern connected to the second channel pattern, the first and second source/drain patterns having different conductivity types; a first contact plug inserted in the first source/drain pattern, and a second contact plug inserted in the second source/drain pattern; a first interface layer interposed between the first source/drain pattern and the first contact plug; and a second interface layer interposed between the second source/drain pattern and the second contact plug, the first and second interface layers including different metallic elements from each other, a bottom portion of the second interface layer being positioned at a level that is lower than a bottom surface of a topmost one of the semiconductor patterns.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: April 9, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon Tae Hwang, Sunjung Lee, Heonbok Lee, Geunwoo Kim, Wandon Kim
  • Publication number: 20240097235
    Abstract: A composite pad and a battery cell assembly and a battery module including the composite pad are disclosed. In some implementations, the battery cell assembly comprises a plurality of battery cells arranged in a direction, and one or more pads, each pad disposed between two adjacent battery cells of the plurality of battery cells, at least one of the one or more pads including a pad body with elasticity, and a heat generating part coupled to the pad body and connected to an edge of the at least one of the one or more pads and configured to generate heat upon application of electric power to the heat generating part.
    Type: Application
    Filed: July 7, 2023
    Publication date: March 21, 2024
    Inventors: Jeong Tae HWANG, You Kyung PARK, Sang Gi SHIM, So Mi LEE
  • Publication number: 20240086531
    Abstract: A memory system includes a first memory and a second memory that share common addresses received from a memory controller, wherein the first memory includes a first scrambling circuit suitable for scrambling a common address to generate a first scrambled address designating a word line to be activated in the first memory, and the second memory includes a second scrambling circuit suitable for scrambling the common address to generate a second scrambled address designating a word line to be activated in the second memory, and the first scrambling circuit and the second scrambling circuit perform a scrambling operation in such a manner that neighboring word lines, adjacent to a word line selected by a first common address, are selected a most in one memory among the first memory and the second memory by a second common address other than the first common address.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: Joon-Woo CHOI, Jeong-Tae HWANG
  • Publication number: 20240019886
    Abstract: An electronic device including: a reference voltage generator circuit to generate a reference voltage based on a first and second voltage, the reference voltage generator circuit including: a first current source to supply a first current to each of a first and second node; an amplifier to amplify a difference between the first voltage of the first node and the second voltage of the second node and to output a difference voltage corresponding to the amplified difference; a first bipolar junction transistor (BJT) connected to the first node; a first resistor connected to the second node; a second BJT connected between the first resistor and ground; a second resistor connected between the second node and ground; and a first transistor to be supplied with a second current from the first current source; and an adaptive cascode circuit to generate a bias voltage applied to a gate of the first transistor.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Inventors: Jeongpyo PARK, TAE-HWANG KONG, JUNHYEOK YANG, JOOSEONG KIM
  • Patent number: 11876210
    Abstract: A positive electrode active material includes a lithium transition metal oxide, which is doped with doping element M2, wherein M2 includes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, and contains nickel in an amount of 60 mol % or more based on a total number of moles of transition metals excluding lithium, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the doping element M2 is included in an amount of 3,580 ppm to 7,620 ppm based on a total weight of the positive electrode active material.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: January 16, 2024
    Inventors: Tae Gu Yoo, Young Uk Park, Jin Tae Hwang, Wang Mo Jung, Sung Bin Park
  • Patent number: 11861000
    Abstract: A memory system includes a first memory and a second memory that share common addresses received from a memory controller, wherein the first memory includes a first scrambling circuit suitable for scrambling a common address to generate a first scrambled address designating a word line to be activated in the first memory, and the second memory includes a second scrambling circuit suitable for scrambling the common address to generate a second scrambled address designating a word line to be activated in the second memory, and the first scrambling circuit and the second scrambling circuit perform a scrambling operation in such a manner that neighboring word lines, adjacent to a word line selected by a first common address, are selected a most in one memory among the first memory and the second memory by a second common address other than the first common address.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: January 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Joon-Woo Choi, Jeong-Tae Hwang
  • Patent number: 11852664
    Abstract: A power metering apparatus, a power metering server, and a power metering method based on a blockchain are disclosed. Particularly, in order to simultaneously assure integrity and transparency of power metering data based on a blockchain, power metering data generated by measuring an amount of power generated by an energy source and a unique key are stored in a database linked to a power metering server, and a digitally signed hash value of the power metering data is stored in a blockchain node. Accordingly, disclosed are blockchain-based power metering system and method for preventing forgery and tampering of power metering data, solving a problem associated with a blockchain storage capacity that may occur when storing the power metering data, and protecting sensitive information on the power metering data.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: December 26, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae in Hwang, Il Woo Lee
  • Publication number: 20230397782
    Abstract: The present invention relates to an foreign matter removal device, and more particularly, to an foreign matter removal device, in which a length of a main body portion is increased to correspond to a size of a large-scale cell for a vehicle, and a plurality of suction channels each having a swoosh shape is provided, thereby efficiently removing foreign substances produced during a process of manufacturing a cell for a vehicle.
    Type: Application
    Filed: October 27, 2021
    Publication date: December 14, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Kyutae Park, Youngsoo Song, Sungdong Kim, Sangkee Seo, Ye Hoon Im, Sung Tae Hwang
  • Patent number: 11837719
    Abstract: A method for preparing a lithium cobalt-based positive electrode active material and a positive electrode active material prepared by the method are provided. The method includes dry-mixing and then heat treating a lithium cobalt oxide particle represented by Formula 1 and one or more lithium metal oxide particle selected from the group consisting of lithium aluminum oxide, lithium zirconium oxide, and lithium titanium oxide.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: December 5, 2023
    Inventors: Chi Ho Jo, Min Kyu You, Sung Bin Park, Hyuck Hur, Jin Tae Hwang, Wang Mo Jung