Patents by Inventor Seok Lee

Seok 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: 11911157
    Abstract: Provided is an apparatus for estimating a target component, the apparatus including a temperature controller configured to modulate temperature of an object, a measurer configured to measure a spectrum for each temperature of the object that changes based on the modulation, and a processor configured to obtain effective optical pathlength vectors corresponding to a temperature change based on the spectrum for each temperature of the object, obtain a representative effective optical pathlength based on the obtained effective optical pathlength vectors, and obtain a target component estimation model based on the obtained representative effective optical pathlength.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeong Seok Jang, Sung Hyun Nam, Sung Mo Ahn, Jun Ho Lee, Ho Jun Chang
  • Patent number: 11913133
    Abstract: The present invention relates to a method of manufacturing polycrystalline silicon ingot using a crucible in which an oxygen exhaust passage is formed by single crystal or polycrystalline rods, the method including the steps of: manufacturing the single crystal or polycrystalline silicon rods each having the shape of a quadrilateral pillar; putting the single crystal or polycrystalline quadrilateral pillar-shaped silicon rods into the crucible in such a manner as to be arranged close to one another along the inner peripheral surface of the crucible to thus form a space portion inside the single crystal or polycrystalline silicon rods, into which silicon chunks are put, and the oxygen exhaust passages between the inner peripheral surface of the crucible and the respective surfaces of the single crystal or polycrystalline silicon rods oriented toward the inner peripheral surface of the crucible; putting the silicon chunks into the space portion of the crucible; and melting and crystallizing the silicon chunks.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: February 27, 2024
    Assignee: Lintech Corporation
    Inventors: Ho Jung You, Dong Nam Shin, Sei Kwang Oh, Jun Seok Lee, Sun Bin Yum, Tae-Woo Kang
  • Patent number: 11913566
    Abstract: The present disclosure relates to a fuel tank isolation valve of a vehicle, wherein the first armature and the second armature are connected in such a manner that there is no clearance therebetween, and a spring compression amount securing groove is formed on the upper surface of the guide. In a preferred finished valve assembly state, the position of the first armature in a valve-off state can be constant, and the movement of the first armature does not significantly occur, thereby noise, vibration, and wear are inhibited or prevented.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: February 27, 2024
    Assignee: Hyundai Kefico Corporation
    Inventor: Du Seok Lee
  • Patent number: 11916831
    Abstract: A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub frame containing the CSI RS to the relay or the macro terminal. The macro terminal and the relay receive the CSI RS using the information on the sub frame. The macro terminal and the relay extract the CSI using the CSI RS and transmit the extracted CSI to the base station.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: February 27, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hee Soo Lee, Tae Gyun Noh, Jae Young Ahn, Kyoung Seok Lee, Young Jo Ko
  • Patent number: 11912868
    Abstract: The present invention relates to a conductive concentrated resin composition including (a) 100 parts by weight of a base resin including 50 to 95% by weight of a polyamide resin, 2.5 to 20% by weight of a polar polymer, and 2.5 to 30% by weight of a non-polar polymer, (b) 10 to parts by weight of a carbon nanofibril, (c) 0.5 to 5 parts by weight of a carbon nanoplate, and (d) 0.5 to 4 parts by weight of nanoclay; a conductive polyamide resin composition including the conductive concentrated resin composition; a method of preparing the conductive concentrated resin composition; and a molded article including the conductive polyamide resin composition.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: February 27, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Gi Dae Choi, Minsu Kim, Eon Seok Lee
  • Patent number: 11917303
    Abstract: A camera module according to an embodiment of the present invention comprises: a light emitting unit which includes a plurality of light emitting areas and drives at least one of the plurality of light emitting areas according to a first control signal so as to output an optical signal; a light receiving unit for collecting the optical signal; a sensor unit which includes a plurality of light receiving areas corresponding to the plurality of light emitting areas, respectively, and drives at least one of the plurality of light receiving areas according to a second control signal to generate an image signal on the basis of the collected light signal; and a control unit which generates at least one of the first control signal and the second control signal on the basis of the image signal and controls at least one of the light emitting unit and the sensor unit on the basis of at least one of the first control signal and the second control signal.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: February 27, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Gi Seok Lee, Min Gyu Kim
  • Patent number: 11913923
    Abstract: A method for evaluating physical properties of a melt-blown plastic resin, and, more specifically, to a novel method for evaluating physical properties are provided. When a particular plastic resin is processed by a melt-blown process, a stretching diameter value after the process of the plastic resin can be accurately derived from a physical property value measured using a specimen of the resin.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: February 27, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyunsup Lee, Seok Hwan Kim, Heekwang Park, Ki Soo Lee, Sangjin Jeon, Myunghan Lee
  • Patent number: 11914423
    Abstract: A flexible display device is provided. A flexible display device according to one embodiment of the present invention comprises a body, a moving plate, a first pulley, a second pulley, a driving track and a flexible display. The flexible display is coupled to outer surfaces of the moving plate and the driving track, and the driving track forms a continuous track shape by itself or together with the moving plate. Therefore, provided is the flexible display device in which a constant tension can be maintained over the entire section of the driving track while the moving plate and the driving track support the flexible display, the occurrence of spring back in the flexible display can be minimized, and damage caused by unevenness of the flexible display, and the like, can be prevented.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 27, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Chul Shin, Hang Seok Kim, Gil Jae Lee, Dong Jun Choi
  • Patent number: 11917883
    Abstract: A color control member includes a color control layer including a quantum dot and a color filter layer on the color control layer, wherein a low refractive layer may be between the color control layer and the color filter layer. The low refractive layer includes a base resin and a plurality of sets of hollow particles dispersed in the base resin, and each of the hollow particles of each set of the sets of hollow particles may have a spherical shape. The sets of hollow particles may have respective average diameters, and a ratio of two average diameters of the respective average diameters of the sets of hollow particles is about 2:1 to about 60:1, and the low refractive layer including the hollow particles may be formed through a continuous process at a low temperature.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: February 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youyoung Jin, Keunchan Oh, Gak Seok Lee, Sanghun Lee, Chang-Soon Jang
  • Patent number: 11906442
    Abstract: An exemplary embodiment of the present invention provides a foreign substance inspection system for a display unit, including: a lighting unit configured to provide incident light to a display unit having an organic light emitting display panel; and a foreign substance detecting unit configured to receive incident light that is reflected by the display unit and detect whether a foreign substance is introduced into the display unit.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: February 20, 2024
    Assignee: LG CHEM, LTD
    Inventors: Beom Seok Lee, Chan Soo Kim, Eung Jin Jang, Sung Hyun Baek, Yu Jin Lim
  • Patent number: 11904291
    Abstract: The present disclosure relates to an apparatus for preparing an oligomer, and more particularly, to an apparatus for preparing an oligomer including: a reactor including a gaseous area having a first gaseous reactant inlet provided at a lower portion thereof, and a reaction area in which a reaction medium reacts with the gaseous reactant above the gaseous area; a second gaseous reactant inlet provided on an inner wall of the reactor in the gaseous area and a third gaseous reactant inlet provided on an inner wall of the reactor facing the second gaseous reactant inlet; and a first injection nozzle connected to the second gaseous reactant inlet and a second injection nozzle connected to the third gaseous reactant inlet.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: February 20, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Moon Sub Hwang, Min Ho Sun, Jong Hun Song, Kyung Seog Youk, Jeong Seok Lee, Hong Min Lee
  • Publication number: 20240055183
    Abstract: A multilayer electronic component includes a body including a plurality of internal electrodes and a dielectric layer disposed between the plurality of internal electrodes; and an external electrode disposed on the body and connected to the plurality of internal electrodes, wherein each of the plurality of internal electrodes includes a plurality of nickel layers, and a heterogeneous material layer provided between the plurality of nickel layers.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 15, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Eung Seok LEE, Tae Gyun KWON, Yun Sung KANG
  • Patent number: 11903129
    Abstract: A printed circuit board includes: a first insulating material; and a second insulating material disposed on one surface of the first insulating material, and including first and second cavities having depths different from each other. At least one groove portion is disposed in a side surface of each of the first and second cavities.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chi Seong Kim, Won Seok Lee, Guh Hwan Lim, Jin Uk Lee, Jin Oh Park
  • Patent number: 11898029
    Abstract: Provided is a thermoplastic resin composition which includes: a base resin including, in a weight ratio of 70:30 to 90:10, a first copolymer formed by graft polymerization of a diene-based rubber polymer having an average particle diameter of 50 to 200 nm with a first monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer and a second copolymer which is a copolymer of a second monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer; and a plasticizer.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: February 13, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Roo Da Lee, Jeong Su Choi, Won Seok Lee, Sang Hoo Park, Jong Ju Lee
  • Publication number: 20240047661
    Abstract: Provided are a negative electrode for a lithium secondary negative electrode battery including: a current collector; a first negative electrode active material layer disposed on the current collector and including a silicon-based active material, a first graphite-based active material, and a linear conductive material; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second graphite-based active material. The first graphite-based active material has a carbon coating layer on at least a part of a surface. Also provided is a lithium secondary battery including the negative electrode.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Inventors: Hyo Mi Kim, Yong Seok Lee
  • Publication number: 20240047530
    Abstract: A power semiconductor device includes a semiconductor layer, a well region located inside the semiconductor layer and having a first conductivity type, a source region located on the well region and having a second conductivity type, a gate region in contact with a side surface of the well region and surrounding the well region, a drift region in contact with bottom surfaces of the well region and the gate region and having the second conductivity type, and a contact region located on the well region and having the first conductivity type. The drift region includes a protruding region in contact with another side surface of the well region. The power semiconductor device includes a source electrode in contact with each of the source region, the contact region, and the protruding region.
    Type: Application
    Filed: December 8, 2022
    Publication date: February 8, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Jong Seok Lee
  • Publication number: 20240047659
    Abstract: An embodiment of the present invention relates to a porous silicon structure, a porous silicon-carbon composite comprising same, and a negative electrode active material. The porous silicon structure and the porous silicon-carbon composite each have a molar ratio (O/Si) of oxygen (O) atoms to silicon (Si) atoms that satisfies a specific range, and thus, when applied to a negative electrode active material, the porous silicon structure and the porous silicon-carbon composite can have excellent capacity retention and remarkably enhanced discharge capacity and initial efficiency.
    Type: Application
    Filed: December 3, 2021
    Publication date: February 8, 2024
    Applicant: DAEJOO ELECTRONIC MATERIALS CO., LTD.
    Inventors: Young Min JEON, Jeong Gyu PARK, Hyun Seok LEE, Sung Woo LIM, Sang Jin NAM, Jong Chan LIM, Jung Hyun LEE
  • Publication number: 20240048207
    Abstract: An operation method of a first communication node may include: inputting first input data including first feedback information to a first encoder of a first artificial neural network corresponding to the first communication node; generating first latent data based on an encoding operation in the first encoder; generating a first feedback signal including the first latent data; and transmitting the first feedback signal to a second communication node, wherein the first latent data included in the first feedback signal is decoded into first restored data corresponding to the first input data in a second decoder of a second artificial neural network corresponding to the second communication node, and the first input data includes first common input data included in a common input data set previously shared between the first communication node and the second communication node.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 8, 2024
    Inventors: Han Jun PARK, Yong Jin KWON, An Seok LEE, Heesoo LEE, Yun Joo KIM, Hyun Seo PARK, Jung Bo SON, Yu Ro LEE
  • Publication number: 20240047660
    Abstract: An embodiment of the present invention relates to a porous silicon composite, a porous silicon-carbon composite comprising same, and an anode active material, wherein the porous silicon composite and the porous silicon-carbon composite each comprise silicon particles and a magnesium compound together and satisfy a molar ratio (O/Si) of oxygen (O) atom to silicon (Si) atom in a specific range, so that the application of the porous silicon composite and the porous silicon-carbon composite to an anode active material leads to an excellent capacity retention rate as well as a significant improvement in discharge capacity and initial efficiency.
    Type: Application
    Filed: December 3, 2021
    Publication date: February 8, 2024
    Applicant: DAEJOO ELECTRONIC MATERIALS CO., LTD.
    Inventors: Young Min JEON, Jeong Gyu PARK, Hyun Seok LEE, Sung Woo LIM, Sang Jin NAM, Jong Chan LIM, Jung Hyun LEE
  • Patent number: D1015949
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: February 27, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hyun-Doo Lee, Hong-Seok Choi