Patents by Inventor Seung Hyun Lee

Seung Hyun Lee 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: 11663476
    Abstract: Disclosed herein are a method and apparatus for compressing learning parameters for training of a deep-learning model and transmitting the compressed parameters in a distributed processing environment. Multiple electronic devices in the distributed processing system perform training of a neural network. By performing training, parameters are updated. The electronic device may share the updated parameter thereof with additional electronic devices. In order to efficiently share the parameter, the residual of the parameter is provided to the additional electronic devices. When the residual of the parameter is provided, the additional electronic devices update the parameter using the residual of the parameter.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 30, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun Cho, Youn-Hee Kim, Jin-Wuk Seok, Joo-Young Lee, Woong Lim, Jong-Ho Kim, Dae-Yeol Lee, Se-Yoon Jeong, Hui-Yong Kim, Jin-Soo Choi, Je-Won Kang
  • Publication number: 20230160869
    Abstract: The present invention relates to a system for monitoring electrical properties of materials of deep bedrock samples for estimating nuclide movement in disposal site of spent fuel and, more specifically, to a system for monitoring electrical properties of materials of deep bedrock samples for estimating nuclide movement in disposal site of spent fuel which installs a tube wherein ring-shaped potential electrode is formed in multi layers inside a column; adheres the potential electrode to deep bedrock samples by pressing on the external side of the tube while filling the deep bedrock samples inside of the tube; and reproduces real condition of deep bedrock and monitors precisely by measuring electrical resistivity for each location of the deep bedrock samples while injecting nuclide and underground water to the inside the tube.
    Type: Application
    Filed: November 24, 2022
    Publication date: May 25, 2023
    Inventors: Hae Ryong JUNG, Min Seok KIM, Chang Min SHIN, Seung Hyun KIM, Hyung Ju YUN, Sang Hwan LEE, Man Ho HAN, Jung Hwan LEE
  • Publication number: 20230157351
    Abstract: According to an embodiment of the present disclosure, there is provided a smoking article including a smoking material portion which is wrapped with a smoking material wrapper, a filter portion which has an upstream end combined with the smoking material portion and is wrapped with a filter wrapper, and a tipping paper which is wrapped around at least a partial region of the smoking material portion and the filter portion so that the smoking material portion and the filter portion are combined, wherein the tipping paper is coated with an overprint (OP) coating solution in which at least one functional material and an OP auxiliary agent which enhances the solubility of the at least one functional material are added to an OP ink.
    Type: Application
    Filed: February 19, 2021
    Publication date: May 25, 2023
    Applicant: KT&G CORPORATION
    Inventors: Hae Geun SHIN, Dong Kyun KO, Youn Keun OH, Seung Hwan LEE, In Beom SONG, Ho Rim SONG, Hang Hyun JANG
  • Patent number: 11655952
    Abstract: A vehicle grille includes: a grille panel; a lens panel disposed at a rear side of the grille panel, formed in a same shape as some or entire area of the grille panel, and, when a light is incident, configured to allow some of the light to propagate in the lens panel and emit some of the light to an outside of the lens panel; and a housing disposed on a rear surface of the lens panel, formed in a same shape as the lens panel, and including a coupling provision hole configured to allow a front surface of the lens panel to be coupled to a rear surface of the grille panel at a rear side of the lens panel, wherein the rear surface of the lens panel and a front surface of the housing are coupled at the front side of the lens panel.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: May 23, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL Corporation
    Inventors: Byoung Suk Ahn, Jung Wook Lim, Ki Hong Lee, Seung Sik Han, Dong Hyun Go, Jung Hee Seo, Kyeong Jin Ahn
  • Patent number: 11658365
    Abstract: A separator for an electrochemical device including a heat resistant layer and an adhesive layer and a method for manufacturing the same. The separator uses a heat resistant polymer having a high melting point for a heat resistant layer and shows excellent peel strength between the separator substrate and the heat resistant layer and high adhesion between the separator and an electrode.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: May 23, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Seung-Hyun Lee, Dong-Wook Sung, Hyun-Kyung Shin
  • Patent number: 11658307
    Abstract: The present disclosure relates to a method and an apparatus for manufacturing a core-shell catalyst, and more particularly, to a method and an apparatus for manufacturing a core-shell catalyst, in which a particle in the form of a core-shell in which the metal nanoparticle is coated with platinum is manufactured by substituting copper and platinum through a method of manufacturing a metal nanoparticle by emitting a laser beam to a metal ingot, and providing a particular electric potential value, and as a result, it is possible to continuously produce nanoscale uniform core-shell catalysts in large quantities.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: May 23, 2023
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Gu-Gon Park, Sun-Mi Hwang, Sung-Dae Yim, Chang-Soo Kim, Won-Yong Lee, Tae-Hyun Yang, Seok-Hee Park, Minjin Kim, Young-Jun Sohn, Byungchan Bae, Seung-Gon Kim, Dongwon Shin
  • Publication number: 20230155245
    Abstract: A separator including a variable binder, wherein a particle size of the variable binder changes depending on pH of the variable binder and a method of manufacturing the same, and more particularly to a separator configured such that a variable binder is used in a separator coating layer to reduce resistance of a battery and to maintain uniform adhesive force while improving air permeability and a method of manufacturing the same.
    Type: Application
    Filed: August 27, 2021
    Publication date: May 18, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Seung Hyun LEE, Hye Jin KWON, Kyung Ryun KA, Je An LEE
  • Patent number: 11652234
    Abstract: A separator for an electrochemical device, including: a porous polymer substrate; and a porous coating layer formed on at least one surface of the porous polymer substrate and containing a plurality of microcapsules and a binder polymer positioned on the whole or a part of the surface of the microcapsules to connect and fix the microcapsules with one another, wherein the microcapsules include metal hydroxide particles, and capsule coating layer surrounding each surface of the metal hydroxide particles. An electrochemical device including the separator, and the microcapsules are also provided. The microcapsules and separator show excellent flame resistance and can reduce degradation of battery performance caused by water adsorbability of the plurality of a metal hydroxide particle.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: May 16, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Seung-Hyun Lee, Da-Kyung Han, Kwan-Woo Nam, Je-An Lee
  • Publication number: 20230138132
    Abstract: A separator for an electrochemical device, in which the separator includes a separator substrate and an organic-inorganic composite porous coating layer on at least one surface of the separator substrate. The separator substrate is a porous film including a polyolefin-containing polymer. The organic-inorganic composite porous coating layer includes a polymer resin particles and inorganic particles, in which each particle of the polymer resin particles includes a polyvinylidene fluoride (PVDF)-containing polymer and an acrylic polymer, and the PVDF-containing polymer has a Hansen solubility parameter (HSP) value of 13 or less and 1 or more.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min Ji KIM, Seung Hyun LEE, Hye Won KIM, Kyung Ryun KA
  • Patent number: 11637939
    Abstract: Disclosed is a server apparatus. The server apparatus comprises: a communication unit for communicating with a user terminal apparatus; a storage for storing compatible information between devices; and a processor for, if the user terminal apparatus accesses the server apparatus and identification information on the user terminal apparatus is received from the user terminal apparatus, generating recommended device information compatible with the user terminal apparatus on the basis of the information stored in the storage and transmitting the recommended device information to the user terminal apparatus.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: April 25, 2023
    Assignee: SAMSUNG ELECTRONICS CO.. LTD.
    Inventors: Hak-lae Kim, Seung-hyun Lee, Jeong-soo Lee, Jung-yeon Yang
  • Patent number: 11624984
    Abstract: A processing solution composition for reducing micro-bridge defects in a polyhydroxystyrene-containing photoresist pattern defined by an extreme-ultraviolet exposure source and a method of forming a pattern using the same are proposed. The processing solution composition includes 0.0001 to 1 wt % of an alkaline material, 0.0001 to 1 wt % of a nonionic surfactant having an HLB (Hydrophilic-Lipophilic Balance) value of 9 to 16, and 98 to 99.9998 wt % of water, reduces the number of micro-bridge defects in a polyhydroxystyrene-containing photoresist pattern defined by an extreme-ultraviolet exposure source, and has a low LWR (Line Width Roughness) value, thus effectively improving the uniformity of the pattern.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: April 11, 2023
    Assignee: YOUNG CHANG CHEMICAL CO., LTD
    Inventors: Su Jin Lee, Seung Hun Lee, Seung Hyun Lee
  • Publication number: 20230100278
    Abstract: A separator for a secondary battery including a porous separator substrate including a polymer; and a coating layer on at least one surface of the porous separator substrate. The coating layer includes a crystalline first binder and a noncrystalline second binder. The crystalline first binder and the noncrystalline second binder are independently an aqueous emulsion type binder, thereby ensuring adhesion strength between the separator and a positive electrode and between the separator and a negative electrode even in the presence of an electrolyte solution.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 30, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Seung Hyun LEE, Kyung Ryun KA, Min Ji KIM, Hye Won KIM
  • Patent number: 11610957
    Abstract: A display device includes a first thin film transistor disposed on a substrate. A first insulating interlayer covers the first thin film transistor. An active pattern is disposed on the first insulating interlayer. The active pattern includes indium-gallium-zinc oxide (IGZO) having a thickness in a range of about 150 ? to about 400 ?. A gate insulation layer covers the active pattern. A gate pattern is disposed on the gate insulation layer. A second insulating interlayer covers the gate pattern.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tetsuhiro Tanaka, Yeong-Gyu Kim, Tae Sik Kim, Hee Yeon Kim, Ki Seong Seo, Seung Hyun Lee, Kyeong Woo Jang, Sug Woo Jung
  • Patent number: 11603812
    Abstract: An embodiment variable valve device of a vehicle intake system includes a variable valve housing fixed to a housing of an air cleaner and including a valve passage penetrating the air cleaner, a variable valve flap rotatably coupled to the variable valve housing and configured to perform opening and closing operations based on an intake negative pressure of an engine to open and close the valve passage, and a cam protrusion and a leaf spring provided on the variable valve flap and the variable valve housing, respectively, wherein the cam protrusion and the leaf spring are in contact with each other.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: March 14, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hae Jun Jeong, Je Yeon Kim, Yoon Geun Cho, Seung Hyun Lee
  • Patent number: 11594782
    Abstract: A flame retardant separator for secondary batteries, and more particularly, a flame retardant separator for secondary batteries comprising or coated with a metal hydroxide having a low Gibbs free energy among polymorphs of a metal hydroxide used as an inorganic flame retardant.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 28, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Da Kyung Han, Kwan Woo Nam, Seung Hyun Lee, Je An Lee
  • Publication number: 20230056467
    Abstract: An embodiment variable valve device of a vehicle intake system includes a variable valve housing fixed to a housing of an air cleaner and including a valve passage penetrating the air cleaner, a variable valve flap rotatably coupled to the variable valve housing and configured to perform opening and closing operations based on an intake negative pressure of an engine to open and close the valve passage, and a cam protrusion and a leaf spring provided on the variable valve flap and the variable valve housing, respectively, wherein the cam protrusion and the leaf spring are in contact with each other.
    Type: Application
    Filed: May 11, 2022
    Publication date: February 23, 2023
    Inventors: Hae Jun Jeong, Je Yeon Kim, Yoon Geun Cho, Seung Hyun Lee
  • Patent number: 11586109
    Abstract: The present invention relates to a chemically-amplified-type negative photoresist composition, and more particularly to a chemically-amplified-type negative photoresist composition suitable for use in a semiconductor process, which includes a specific organic acid additive, thereby improving a processing margin in a short-wavelength exposure light source compared to conventional negative photoresists.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: February 21, 2023
    Assignee: YOUNG CHANG CHEMICAL CO., LTD
    Inventors: Seung Hun Lee, Seung Hyun Lee, Su Jin Lee, Young Cheol Choi
  • Patent number: 11555150
    Abstract: The present invention relates to an etching composition for selectively etching a silicon nitride layer. The etching composition includes an inorganic acid, an epoxy-based silicon compound, and water. The etching composition of the present invention selectively removes a silicon nitride layer while minimizing damage to an underlying metal layer and preventing a silicon oxide layer from being etched.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: January 17, 2023
    Assignee: YOUNG CHANG CHEMICAL CO., LTD
    Inventors: Seung Hun Lee, Seung Hyun Lee, Seong Hwan Kim, Seung Oh Jin
  • Publication number: 20220397761
    Abstract: Disclosed in the present invention is a floating hologram system. The floating hologram system includes a diffuser configured to form a projection image using light beams transmitted from an image transmitter and diffuse the formed image, and a holographic optical element on which the image diffused from the diffuser is incident and which generates a virtual image floating at a position a predetermined distance therefrom and has a convex lens characteristic. A distance between the diffuser and the holographic optical element is determined based on a focal length of the holographic optical element and a distance from the holographic optical element to the virtual image.
    Type: Application
    Filed: December 10, 2020
    Publication date: December 15, 2022
    Inventors: Seung Hyun LEE, Lee Hwan HWANG, Jae Hyun LEE, Sung Jae HA, Soon Chul KWON, Kwang Pyo HONG
  • Publication number: 20220381209
    Abstract: An apparatus for reducing flow noise of an air intake system of a vehicle is provided as an assembly of a body member and a cover member. An acoustic metamaterial unit includes a chamber having a predetermined size, an inlet flow path, and an outlet flow path provided therein and is connected to a pipe of an air intake system. The apparatus advantageously reduces or removes high-frequency flow noise occurring in a turbocharger by using the acoustic metamaterial unit. The size and shape of the acoustic metamaterial unit is standardized such that the acoustic metamaterial unit is used compatibly regardless of the type of vehicles, which can make it possible to advantageously reduce costs and improve salability.
    Type: Application
    Filed: August 31, 2021
    Publication date: December 1, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Je Yeon KIM, Hae Jun JEONG, Yoon Geun CHO, Seung Hyun LEE