Patents by Inventor Seung-Wook Lee

Seung-Wook 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: 12266162
    Abstract: The present disclosure relates to an apparatus for enhancing contrast sensitivity and resolution in a grating interferometer by machine learning, which can improve both image contrast sensitivity and spatial resolution in a grating interferometer by machine learning, the apparatus including: an image acquisition unit; a numerical phantom generation unit, a convolution layer generation unit to extract features from input data; an activation function application calculation unit that can apply a rectified linear activation function to an output value of the convolution calculation to perform smooth repetitive machine learning; a CNN repetitive machine learning unit that corrects a convolution calculation factor while repeatedly performing forward propagation and backward propagation processes; and an image matching output unit that matches and outputs features extracted by repetitive machine learning of the CNN repetitive machine learning unit.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: April 1, 2025
    Assignee: RENSSELAER POLYTECHNIC INSTITUTE
    Inventors: Seung Wook Lee, Seho Lee, Ge Wang
  • Patent number: 12266476
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other and alternately stacked with the respective dielectric layers interposed therebetween; a first external electrode connected to the first internal electrodes; a second external electrode connected to the second internal electrodes; and a protective layer disposed on the ceramic body, the first external electrode, and the second external electrode, wherein the protective layer includes an adhesion assisting layer and a coating layer, an average thickness of the protective layer is 70 nm or more and/or less than 400 nm, and a ratio of an average thickness of the coating layer to the average thickness of the protective layer is 0.25 or more and/or 0.75 or less.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: April 1, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyo Yeol Lee, Seung Hun Han, Sang Wook Lee, Jung Min Kim, Jeong Ryeol Kim
  • Publication number: 20250106017
    Abstract: There is provided a method for encrypting a message, performed by a computing device. The method may comprise receiving a public signature key and a public mid term key, which are generated in a terminal, from the terminal and storing them; forwarding the stored public signature key and the stored public mid term key to all terminals participating in a chat room; designating a key generator based on a timestamp-based first random number value included in all the terminals; and generating a message encryption key by using a private mid term key of the designated key generator, wherein the message encryption key is shared is all the terminals.
    Type: Application
    Filed: June 18, 2024
    Publication date: March 27, 2025
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Hee Wook LEE, Seung Jin KIM
  • Publication number: 20250105447
    Abstract: Disclosed is an electrochemical device separator and an electrochemical device including the same. The separator includes a porous polymer substrate and a porous organic/inorganic composite coating layer formed on at least one surface of the polymer substrate, in which the porous coating layer includes particulate binder resins and inorganic particles, and [content of binder particles in an upper portion of a porous coating layer before impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer before impregnation with electrolyte]?[content of binder particles in an upper portion of a porous coating layer after impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer after impregnation with electrolyte] is 0.32 or less.
    Type: Application
    Filed: August 18, 2023
    Publication date: March 27, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Seung Hyun LEE, Min Ji KIM, Hye Won KIM, Dong Wook SUNG, Kyung Ryun KA
  • Patent number: 12258322
    Abstract: The present invention relates to a method for preparing dihydroxyammonium 5,5?-bistetrazole-1,1?-diolate. The method for preparing dihydroxyammonium 5,5?-bistetrazole-1,1?-diolate, according to one embodiment of the present invention, comprises the steps of: synthesizing 5,5?-bistetrazole-1,1?-diol dihydrate (1,1?-BTO) from ditetrahydropyranyl diazidoglyoxime (THP-DAG) by using a hydrochloric acid (HCl) solution in a first solvent; and reacting 1,1?-BTO with an amine solution so as to neutralize same and, simultaneously, obtaining dihydroxylammonium 5,5?-bistetrazole-1,1?-diolate (Thomas Klapotke explosive-50, TKX-50).
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: March 25, 2025
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Kuk Tae Kwon, Hae Wook Yoo, Seung Hee Kim, So Jung Lee
  • Patent number: 12261322
    Abstract: An electrochemical device separator including a porous polymer substrate and a porous organic/inorganic composite coating layer on at least one surface of the porous polymer substrate. The porous organic/inorganic composite coating layer includes particulate binder polymers, a non-particulate acrylic-containing polymer, and first inorganic particles. The particulate binder polymers include hybrid polymer particles including a fluorine-containing polymer and an acrylic-containing polymer, and acrylic-containing polymer particles. The acrylic-containing polymer particles have a particle size D50 (a) in a range of 1 ?m to 7 ?m, the first inorganic particles have a particle size D50 (b) in a range of 200 nm to 800 nm, a/b is in a range of 2 to 15, and hybrid polymer particles have a particle size D50 less than 250 nm.
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: March 25, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Kyung Ryun Ka, Min Ji Kim, Seung Hyun Lee, Dong Wook Sung
  • Patent number: 12262583
    Abstract: A display device includes a bending area at which the display device is bendable; an organic light emitting element disposed on the substrate; an encapsulation layer covering an upper surface and a side surface of the organic light emitting element; and a bending area protection layer covering the bending area of the substrate. The upper surface of the encapsulation layer includes a nano structure defined by nano sized protrusions and depressions of the upper surface, and along the substrate, and the bending area is disposed separated from the encapsulation layer.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Wook Kwon, Woo Yong Sung, Hyoung Sub Lee
  • Patent number: 12260035
    Abstract: A touch display panel for improving product yield and product reliability and reducing manufacturing cost includes a touch sensor unit disposed on an encapsulation unit, the touch sensor unit including a plurality of touch sensors corresponding to an active area and a touch passivation layer on the plurality of touch sensors, and an antireflection unit disposed on the touch sensor unit, the antireflection unit at least including a black matrix disposed in non-emissive areas of the active area and a bezel area, wherein the antireflection unit and the touch passivation layer overlap the active area and the bezel area and do not overlap at least a pad area of the bezel area, and, in the bezel area, the overlapping area of the antireflection unit is equal to the overlapping area of the touch passivation layer.
    Type: Grant
    Filed: December 26, 2020
    Date of Patent: March 25, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Wook Lee, Jung-Ho Bang, Jeong-Gi Yun, Seon-Hui Hwang, Eun-Young Park, Jong-Han Park, Seung-Hye Cho
  • Publication number: 20250092708
    Abstract: Proposed is a seismic-resistant joint structure of a PC column and a PC beam using a steel bracket, in which a steel bracket is installed on a PC column by protruding therefrom to mount a PC beam to the PC column so that the PC column and the PC beam are simply joined by using a bolt fastening method, thereby reducing construction and finishing work while preventing accidents to shorten a construction period, and enabling the implementation of the performance of an intermediate moment frame or higher.
    Type: Application
    Filed: September 13, 2024
    Publication date: March 20, 2025
    Inventors: Jeong Wook KIM, Jun Sam KIM, Jin Mo AHN, Seung Je LEE, Byong Kap JEON
  • Publication number: 20250091954
    Abstract: The present invention relates to a sagger for firing a precursor material, and more specifically, to a sagger having a space internally provided to load a precursor material. When used to fire a precursor material, the sagger is capable of not only suppressing the generation of by-products but also enhancing the durability of the main body.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 20, 2025
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Hee Youb SONG, Bo Hyun KONG, Su Jin KIM, Hwan Wook KWAK, Min Su JO, Yu Jin NAM, Moon Ho CHOI, In Ho YOON, Seung Ho LEE, Young Woo BYOUN, Soo Bong KIM, Jae Yoon JEONG, Seok Min LEE
  • Publication number: 20250087689
    Abstract: A method for preparing a negative electrode active material, which includes mixing green coke particles, calcined coke particles, and a binder to obtain a mixture, and graphitizing the mixture through heat treatment to form an artificial graphite particles in the form of a secondary particle in which primary artificial graphite particles are bonded to each other, wherein an average particle diameter (D50) of the green coke particles is greater than an average particle diameter (D50) of the calcined coke particles.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 13, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Chang Ju LEE, Seung Youn CHOI, Ga Hyun LIM, Sang Wook WOO
  • Patent number: 12248864
    Abstract: The disclosure relates to a method of training an artificial neural network so that a first artificial neural network is trained based on a plurality of training data including a first feature and a second feature that has a correlation with the first feature and depends on the first feature.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: March 11, 2025
    Assignee: MINDS LAB INC.
    Inventors: Seung Won Park, Jong Mi Lee, Kang Wook Kim
  • Publication number: 20250079193
    Abstract: Provided are a substrate processing apparatus and a substrate processing method, and more specifically, a substrate processing apparatus and a substrate processing method for easily cleaning an unnecessary thin film deposited on a lower surface and edge area of a substrate without inverting the substrate.
    Type: Application
    Filed: August 27, 2024
    Publication date: March 6, 2025
    Applicant: TES CO., LTD
    Inventors: In-Il JUNG, Hyeong-Wook Moon, Seung-Min OH, Jong-Seok LEE
  • Patent number: 12239422
    Abstract: An apparatus for estimating biological information may include a sensor configured to detect a first light signal and a second light signal from an object of a user and a processor configured to determine whether a condition for estimating biological information is satisfied based on the detected first light signal and estimate biological information based on the second light signal, wherein the sensor includes a force sensor configured to measure a force applied to the object when the object is in contact with a cover surface of the sensor.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: March 4, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Hoon Ko, Yong Joo Kwon, Seung Woo Noh, Hyun Seok Moon, Sung Mo Ahn, Kun Sun Eom, Jong Wook Lee, Tak Hyung Lee, Myoung Hoon Jung, Chang Mok Choi
  • Patent number: 12239168
    Abstract: An aerosol generating device includes a housing that forms an exterior of the aerosol generating device, and includes an opening into which a cigarette is inserted, a heater that generates an aerosol by heating the cigarette, a battery that supplies power to the heater, a temperature sensor that senses a temperature of an internal component of the aerosol generating device, and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: March 4, 2025
    Assignee: KT&G CORPORATION
    Inventors: Seung Won Lee, Yong Hwan Kim, Sung Wook Yoon, Dae Nam Han
  • Publication number: 20250063151
    Abstract: A video coding method and apparatus select an optimal method from among various chrominance space conversion methods for the current chroma block's original signals, predictors, or residual signals, based on correlations between chroma channel components. The video coding method and the apparatus perform chrominance space conversion of Cb and Cr components using the selected method.
    Type: Application
    Filed: August 28, 2024
    Publication date: February 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo Jeon, Jee Yoon Park, Jee Hwan Lee, Jin Heo, Seung Wook Park
  • Publication number: 20250063773
    Abstract: A power semiconductor is disclosed and for high-voltage and high-power operation. An example power semiconductor comprises: a substrate; a drift layer formed in the substrate including an active area having doped regions and a termination area configured to surround the active area; and a junction termination extension (JTE) in the termination area.
    Type: Application
    Filed: September 18, 2023
    Publication date: February 20, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Jin Ok PARK, Nam Ju KANG, Seung Wook SONG, doo Hyung LEE, Kuk Tae HONG
  • Patent number: 12230989
    Abstract: Disclosed is a battery management apparatus capable of effectively reducing the current consumption of a component for waking up a microcontroller unit. The battery management apparatus includes a wake-up unit, a first power supply path, a first regulator, a first switching element, a feedback module, and a microcontroller unit configured to convert a sleep mode to a wake-up mode by receiving a wake-up signal from the wake-up unit and connected to the feedback module to turn off the first switching element.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: February 18, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won-Hoe Lee, Jeong-Wook Kim, Jun-Suk Kim, Seung-Jin Noh, Hyo-Seong An, Seog-Jin Yoon
  • Publication number: 20250056881
    Abstract: A display device includes a display layer comprising pixels, each of the pixels having at least one thin-film transistor, a connection line electrically connected to the at least one thin-film transistor, the connection line being exposed on a lower surface of the display layer through a first contact hole formed in the display layer, a barrier layer disposed on the lower surface of the display layer and including a second contact hole connected to the first contact hole, a lead line disposed on a lower surface of the barrier layer and electrically connected to the connection line through the second contact hole, a pad part disposed on the lower surface of the barrier layer and electrically connected to the lead line, and a lower film overlapping the lower surface of the barrier layer and the lead line.
    Type: Application
    Filed: October 25, 2024
    Publication date: February 13, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Se Hoon JEONG, Seung Wook KWON, Jae Sik KIM, Woo Yong SUNG, Seo Yeon LEE, Ung Soo LEE, Ja Min LEE, Jeong Seok LEE, Seung Gun CHAE, Seung Yeon CHAE
  • Publication number: 20250046608
    Abstract: A method for fabricating a semiconductor device is provided. The method comprises providing a mask which includes first particles, and second particles spaced apart from the first particles, on a surface of the mask, applying a first adhesive over the first particles on the mask, irradiating the first adhesive with light on a first position of the first particles to cure the first adhesive, resulting in a cured first adhesive, forming a first adhesive film from the cured first adhesive in which the first particles are stuck to the first adhesive and removing the first adhesive film on the mask, wherein the first adhesive overlaps a first region of the surface of the mask in which the first particles are disposed, and does not overlap a second region spaced laterally from the first region of the mask.
    Type: Application
    Filed: February 14, 2024
    Publication date: February 6, 2025
    Inventors: Jin Wook Jung, Young Duk Suh, Sun Moon Kim, Myung-Sik Lee, Seung Hee Lee, Do Hyun Jung