Patents by Inventor Sang-Jin Lee

Sang-Jin 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: 12230207
    Abstract: A pixel of a display device includes a first transistor including a gate connected to a first node, a first terminal, and a second terminal connected to a second node, a first storage capacitor connected between the first node and the second node, a second storage capacitor connected between the first node and the second node, a second transistor including a gate connected to the first node, a first terminal, and a second terminal connected to the first node, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor including a gate receiving an emission signal, a first terminal connected to a line of a first power supply voltage, and a second terminal connected to the first terminal of the first transistor, and a light emitting element including an anode connected to the second node, and a cathode connected to a line of a second power supply voltage.
    Type: Grant
    Filed: October 20, 2023
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Myoung Lee, Sanghyun Kang, Subin Park, Joosun Yoon, Minseong Yi, Seonghyun Jin, Joon Huh
  • Patent number: 12221112
    Abstract: An apparatus and method for predicting a friction coefficient of a road surface are disclosed. The apparatus includes a microphone that obtains a sound signal around a tire mounted on a vehicle, and a controller that estimates a state and a type of the road surface and a degree of tire wear corresponding to the sound signal around the tire based on a first deep learning model, estimates a peak adjustment factor and an initial inclination adjustment factor of a friction coefficient curve corresponding to the state and the type of the road surface and the degree of tire wear based on a second deep learning model, and predicts the friction coefficient based on the peak adjustment factor and the initial inclination adjustment factor of the friction coefficient curve.
    Type: Grant
    Filed: October 7, 2022
    Date of Patent: February 11, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Young Sam Yoon, Jae Hun Lee, Ki Ho Yum, Dong Jin Jang, Sung Wook Hwang, Sang Kwon Lee
  • Patent number: 12221426
    Abstract: A nicotinamide adenine dinucleotide phosphate-dependent steroid dehydrogenase-like (NSDHL) inhibitor provided according to an aspect of the present invention can be used not only as an anticancer agent capable of overcoming resistance to EGFR-targeting anticancer agents, but also advantageously in the treatment of hyperlipidemia.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: February 11, 2025
    Assignees: Seoul National University R&DBFoundation, Korea Research Institute of Chemical Technology, National Cancer Center
    Inventors: Bong-Jin Lee, Kyu-Yeon Lee, Sang Jae Lee, Dong-Gyun Kim, Joo Youn Lee, Kwan-Young Jeong, Heui Cherl Yang, Hyeon-Kyu Lee, Hyoun Sook Kim
  • Publication number: 20250046912
    Abstract: A battery case and a heat management system for a battery module having the battery case, in which the battery case ensures airtightness allowing a liquid immersion cooling method based on a nonconductive refrigerant to be used in managing the heat of the battery module, and the internal temperature of the battery case and the level of the nonconductive refrigerant are controlled to remain constant so as to keep the battery cell below an ignition point, thereby preventing a fire from breaking out.
    Type: Application
    Filed: December 26, 2022
    Publication date: February 6, 2025
    Inventors: Seung Cheol HAN, Byeong Jin SHIN, Do Yeop KIM, Geon Eung LEE, Sang Dae KIM, Dong Dae PARK
  • Publication number: 20250044362
    Abstract: A battery management apparatus includes a voltage sensor configured to measure a voltage of one or more battery cells, a control circuit configured to diagnose a defect in the one or more battery cells by determining a voltage change amount of the one or more battery cells using the voltage of the one or more battery cells measured by the voltage sensor, and a storage configured to store data and algorithms driven by the control circuit. The control circuit is configured to obtain a voltage for each battery cell by sequentially measuring the one or more battery cells, and to perform first voltage measurement on the one or more battery cells in a forward chronological order and to perform second voltage measurement on the one or more battery cells in a reverse chronological order.
    Type: Application
    Filed: November 15, 2023
    Publication date: February 6, 2025
    Inventors: Yo Han Baek, Yoon Sung Choi, Sang Jin Lee, Hyo Kyung Lee, Yoo Hong Jang
  • Publication number: 20250046509
    Abstract: A low-loss spiral coil includes a conducting wire wound N turns of which a width of each of wires corresponding to each of sections of the conducting wire is determined by setting an entire width of the conducting wire to be a width of M sections of the conducting wire, and then determining the width of each of the wires such that a resistance of the spiral coil formed based on the width of the M sections is minimized.
    Type: Application
    Filed: October 17, 2024
    Publication date: February 6, 2025
    Inventors: Jung Ick MOON, In Kui CHO, Sang-Won KIM, Seong-Min KIM, Ho Jin LEE, Je Hoon YUN, Dong Won JANG
  • Publication number: 20250043162
    Abstract: An inkjet resin composition includes about 20% to about 30% by weight of 2-ethylhexyl acrylate, about 20% to about 30% by weight of 4-hydroxybutyl acrylate, about 40% to about 50% by weight of isodecyl acrylate, about 1% to about 10% by weight of urethane acrylate, about 1% to about 5% by weight of an initiator, about 1% to about 5% by weight of a silane coupling agent, and about 0.05% to about 1% by weight of a surface flow control additive.
    Type: Application
    Filed: June 21, 2024
    Publication date: February 6, 2025
    Inventors: SANG-GU LEE, JUNHO CHOE, YE JIN KIM, ONNURI KIM, JINWUK KIM, YOUNG HYE SON, JUNYONG SONG, JIHO YUN
  • Patent number: 12216170
    Abstract: A device and method of estimating state-of-health of a battery is provided. A device of estimating a state-of-health (SOH) of a battery includes: a memory configured to load a program for calculating a state-of-balance (SOB) value by voltage of a plurality of cells constituting the battery and estimating a state-of-health balance value which is a state-of-health value of the battery to which the state-of-balance value by voltage is applied; and a processor configured to execute instructions included in the program loaded by the memory. A device and method of estimating state-of-charge of a battery is provided. A device of estimating state-of-charge (SOC) of a battery includes: a memory configured to load a program for correcting a voltage-to-remaining capacity correlation, in which a battery voltage is matched for each remaining capacity, based on a state-of-balance value by voltage of the battery; and a processor configured to execute instructions included in the program loaded in the memory.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: February 4, 2025
    Assignee: Mintech Co., Ltd
    Inventors: Young Jin Hong, Hee Kyung Myung, Jae Hoon Lee, Sang Eon Park, Jae Kyu Kim, In Jae Hwang
  • Patent number: 12216317
    Abstract: A multi-channel optical sub-assembly includes a printed circuit board with a signal processor mounted thereon, a package window mounted on the printed circuit board, the package window including a transparent material, a package mounted on the package window, and an optical device accommodated into an inner space of the package and configured to convert an electrical signal, input from the signal processor, into an optical signal, wherein the electrical signal sequentially passes through a window through electrode buried in the package window and a package through electrode buried in the package and is input to the optical device.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: February 4, 2025
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eun Kyu Kang, Jong Jin Lee, Dae Seon Kim, Sang Jin Kwon, Won Bae Kwon, Soo Yong Jung, Hae Chung Kang, Dae Woong Moon, Gye Sul Cho
  • Patent number: 12215871
    Abstract: An oven includes a main body, a cooking compartment provided in the main body and having a front surface thereof is opened, the cooking compartment having an opening, a camera provided above the cooking compartment and configured to capture an inside of the cooking compartment through the opening, a camera cooling fan disposed above the camera and configured to cool the camera by suctioning external air, a first glass provided at the opening of the cooking compartment so that the camera captures the inside of the cooking compartment and configured to block transmission of heat in the cooking compartment to the camera, and a second glass provided between the camera and the first glass and configured to additionally block the transmission of heat to the camera.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeong Jin Jang, Sang-Jin Lee, Jung Hak Lee, Myoung Keun Kwon, Sang Jun Park, Eung Ryeol Seo, Han Jun Sung
  • Patent number: 12218113
    Abstract: A display device includes a substrate, a data conductive layer on the substrate and including a first voltage line, a via layer on the data conductive layer, a light emitting element on the via layer, a first contact electrode on the light emitting element and contacting a first end of the light emitting element, and a second contact electrode on the light emitting element and contacting a second end of the light emitting element, wherein the second contact electrode is electrically connected to the first voltage line through a first contact hole penetrating the via layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: February 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: In Kyung Yoo, Hee Na Kim, Chong Sup Chang, Cha Dong Kim, Sang Jin Lee
  • Patent number: 12217896
    Abstract: A coil component includes a body, a planar spiral-shaped coil portion disposed in the body, a lead portion disposed to be spaced apart from the coil portion in the body, a support substrate disposed between the coil portion and the lead portion to correspond to the lead portion, a via penetrating through the support substrate to connect an internal end portion of the coil portion and an internal end portion of the lead portion to each other, an insulating layer covering the coil portion and the lead portion, and a first external electrode and a second external electrode disposed to be spaced apart from each other on a surface of the body and connected to the external end portion of each of the coil portion and the lead portion.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chan Yoon, Dong Hwan Lee, Dong Jin Lee, Sang Soo Park
  • Patent number: 12216777
    Abstract: Disclosed herein is an apparatus for creating source files for providing a function of protecting the confidential information of an unmanned aerial vehicle (UAV). The apparatus may include a creation module for creating a secure encoder source file and a secure decoder source file from a configuration file that contains confidential information to be protected, among data communicated or stored by the UAV. Here, the secure encoder source file and the secure decoder source file may be used to build the program of the UAV such that the UAV extracts confidential information from data and encrypts or decrypts the same when it communicates or stores the data. Accordingly, using the program that is built using the secure encoder source file and the secure decoder source file, the UAV may extract only the confidential information and encrypt and decrypt the same when it communicates or stores the data.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: February 4, 2025
    Assignee: ELECTRONICS TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Deok-Jin Kim, Sang-Wook Lee
  • Patent number: 12218002
    Abstract: A semiconductor device including a first interlayer insulating film; a conductive pattern in the first interlayer insulating film; a resistance pattern on the conductive pattern; an upper etching stopper film spaced apart from the resistance pattern, extending in parallel with a top surface of the resistance pattern, and including a first metal; a lower etching stopper film on the conductive pattern, extending in parallel with a top surface of the first interlayer insulating film, and including a second metal; and a second interlayer insulating film on the upper etching stopper film and the lower etching stopper film, wherein a distance from a top surface of the second interlayer insulating film to a top surface of the upper etching stopper film is smaller than a distance from the top surface of the second interlayer insulating film to a top surface of the lower etching stopper film.
    Type: Grant
    Filed: December 13, 2023
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Jin Kang, Jong Min Baek, Woo Kyung You, Kyu-Hee Han, Han Seong Kim, Jang Ho Lee, Sang Shin Jang
  • Publication number: 20250040301
    Abstract: A light-emitting element includes a first semiconductor layer doped to a first conductivity type, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer, the second semiconductor layer doped to a second conductivity type, and a passivation layer surrounding surfaces of the active layer, the passivation layer including a side surface of the active layer, and the passivation layer includes a semiconductor material that matches a lattice of a semiconductor material contained in the active layer, the semiconductor material has a band gap energy higher than that of the semiconductor material contained in the active layer.
    Type: Application
    Filed: February 29, 2024
    Publication date: January 30, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Tae LEE, Seok Jin KANG, Sang Jo KIM, Jeong Hun HEO
  • Publication number: 20250038308
    Abstract: Examples of the disclosure include a battery module including a plurality of cells, an insulation sheet between the plurality of cells, the insulation sheet having an upper surface and a lower surface disposed so as to face cells adjacent thereto, respectively, and a refractory layer formed on at least one side surface part of a border side surface between the upper surface and the lower surface of the insulation sheet, wherein the refractory layer includes an inorganic binder. Examples of the disclosure also include a method of manufacturing the battery module, and a battery pack including the battery module.
    Type: Application
    Filed: May 24, 2024
    Publication date: January 30, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jae Hyun LEE, Bo Kyung RYU, Seung Yong YANG, Hye Jin PARK, Ha Na RA, Myung Heui WOO, Sang Hoon KIM
  • Publication number: 20250038181
    Abstract: The present invention relates to a porous silicon-carbon composite having a core-shell structure, a preparing method therefor, and an anode active material comprising same, wherein the core comprises silicon particles and the shell comprises two or more carbon layers including a first carbon layer and a second carbon layer, so that the application of the composite as an anode active material for a secondary battery can enhance the discharge capacity, initial efficiency, and capacity retention rate of the secondary battery. In addition, the preparing method for the porous silicon-carbon composite having the core-shell structure enables the mass production through a continuous process with minimized steps.
    Type: Application
    Filed: December 2, 2022
    Publication date: January 30, 2025
    Applicant: DAEJOO ELECTRONIC MATERIALS CO., LTD.
    Inventors: Jung Hyun LEE, Sung Woo LIM, Han Jin PARK, Sang Jin NAM, Hyun Hee LIM, Jong Chan LIM
  • Publication number: 20250038307
    Abstract: An aerogel composition for battery insulation sheets includes a reinforcement material including two or more fibrous supports, an aerogel, a functional material including a binder, a dispersant, or a combination thereof, and a solvent, wherein the two or more fibrous supports have different aspect ratios (AR) as represented by Formula 1: AR=L/D,??Formula 1 where in Formula 1, L indicates an average length of a fibrous support of the two or more fibrous supports and D indicates an average diameter of the two or more fibrous supports.
    Type: Application
    Filed: May 21, 2024
    Publication date: January 30, 2025
    Inventors: Jae Hyun LEE, Bo Kyung RYU, Seung Yong YANG, Hye Jin PARK, Ha Na RA, Myung Heui WOO, Sang Hoon KIM
  • Publication number: 20250038309
    Abstract: Example embodiments include an aerogel composition for battery insulation sheets, the aerogel composition including a reinforcement material including a first fibrous support and a second fibrous support, an aerogel, a functional material including a binder, a dispersant, or a combination thereof, and a solvent, wherein the first fibrous support and the second fibrous support have different ingredients. Example embodiments also include a method of manufacturing the aerogel composition, a battery insulation sheet formed using the aerogel composition, and a method of manufacturing the battery insulation sheet.
    Type: Application
    Filed: May 28, 2024
    Publication date: January 30, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jae Hyun LEE, Bo Kyung RYU, Seung Yong YANG, Hye Jin PARK, Ha Na RA, Myung Heui WOO, Sang Hoon KIM
  • Patent number: D1060148
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: February 4, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang-Jin Lee, Jae-Sup Park