Patents by Inventor Seung-Hyeon Lee

Seung-Hyeon 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).

  • Publication number: 20240400386
    Abstract: Provided are a reactor for producing hydrogen and carbon through methane pyrolysis by a thermal storage method, and a combination reactor including the same, wherein the reactor includes a reaction unit in which pure-oxygen combustion of carbon and pyrolysis of methane are carried out, a first accommodation unit that supplies oxygen and the carbon to the reaction unit or accommodates carbon and hydrogen obtained by the pyrolysis of the methane, a flame supply unit that generates a flame within the reaction unit, a thermal storage unit that is located within the reaction unit and stores combustion heat generated during the pure-oxygen combustion of the carbon, and a second accommodation unit that accommodates carbon dioxide produced by the pure-oxygen combustion of the carbon or supplies methane to the reaction unit, wherein the pure-oxygen combustion of the carbon and the pyrolysis of the methane are alternately carried out.
    Type: Application
    Filed: September 29, 2021
    Publication date: December 5, 2024
    Inventors: Uen DO LEE, Chang Won YANG, Byung Ryeul BANG, Soo Hwa JEONG, Udaysinh Ingale GAYATRI, Hyun Min KWON, Cheon Hyeon CHO, Seung Jin OH
  • Publication number: 20240395887
    Abstract: A semiconductor device includes: a substrate; an active pattern provided on the substrate and extending in a first horizontal direction; a plurality of nanosheets spaced apart from each other in a vertical direction and stacked on the active pattern; a gate electrode provided on the active pattern and extending in a second horizontal direction different from the first horizontal direction, the gate electrode surrounding each of the plurality of nanosheets; a source/drain region provided on the active pattern at two sides of the gate electrode; a first inner spacer provided between the gate electrode and the source/drain region and between adjacent nanosheets of the plurality of nanosheets, the first inner spacer being spaced apart from the plurality of nanosheets in the vertical direction; and a first barrier layer provided on a first side of the gate electrode and between the first inner spacer and one of the plurality of nanosheets.
    Type: Application
    Filed: December 14, 2023
    Publication date: November 28, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hyeon HONG, Su Bin Lee, Jeong Hyeon Lee, Hak Jong Lee, Hyun Jun Lim, Tae Ho Cha
  • Publication number: 20240379465
    Abstract: A method includes: forming a MOSFET layer on a semiconductor wafer substrate, the MOSFET layer including: pixel driver circuits; and a display driver circuit; forming at least one line layer on the MOSFET layer; applying a first supply voltage to a first supply voltage line through a first supply voltage pad; connecting data fan-out lines connected to the pixel driver circuits with a first test line by controlling a test switching circuit in the MOSFET layer; measuring an electrical signal generated from each of the pixel driver circuits through a first test pad connected to the first test line; determining whether each of the pixel driver circuits is defective or not based on the measured electrical signal; and forming a light-emitting element layer including light-emitting elements on the at least one line layer when that the pixel driver circuits are determined to be not defective.
    Type: Application
    Filed: December 7, 2023
    Publication date: November 14, 2024
    Inventors: Deok Jun CHOI, Hyo Jung KIM, KI YONG PARK, Yoo Young PARK, Hye Sun SUNG, Ji Hyeon SON, Seung Bo SHIM, Jeong Yong LEE
  • Patent number: 12140068
    Abstract: A water management system for a hydrogen engine is capable of reducing a capacity of a water tank for storing cooling water injected into the hydrogen engine and is capable of not requiring separate replenishment of water for the water tank. The water management system includes: a water tank module, which stores water for cooling the hydrogen engine; a water pump provided at the water tank module and configured to supply the water stored in the water tank module to the hydrogen engine; and an exhaust line provided between the hydrogen engine and the water tank module and configured to supply an exhaust gas, which contains water vapor discharged from the hydrogen engine, to the water tank module.
    Type: Grant
    Filed: December 11, 2023
    Date of Patent: November 12, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAM INDUSTRIAL CO., LTD.
    Inventors: Seon Woo Boo, Ju Tae Song, Seong Cheol Cho, Sung Won Lee, Seung Hwan Kim, Yong Taek Hwang, Bu Hyeon Cho, Seung Hwan Lee
  • Publication number: 20240371383
    Abstract: A method and apparatus for encoding/decoding audio signal are provided. The encoding method includes transforming an input audio signal in a time domain into an audio signal in a frequency domain, quantizing energy of a frequency band of the audio signal in the frequency domain, generating a normal signal by normalizing the audio signal in the frequency domain according to quantized energy, obtaining a feature vector including information on the energy of the frequency band based on the normal signal and the input audio signal, quantizing the feature vector, obtaining a scale factor used to scale the normal signal based on the quantized feature vector, quantizing an adjustment signal into which the normal signal has been scaled based on the scale factor, and outputting bitstreams based on the quantized energy, the quantized feature vector, and the quantized adjustment signal.
    Type: Application
    Filed: May 2, 2024
    Publication date: November 7, 2024
    Applicants: Electronics and Telecommunications Research Institute, UIF (University Industry Foundation), Yonsei University
    Inventors: Inseon JANG, Seung Kwon BEACK, Jongmo SUNG, Tae Jin LEE, Woo-taek LIM, Byeongho CHO, Hong-Goo KANG, Byeong Hyeon KIM, Jihyun LEE, Hyungseob LIM
  • Patent number: 12136611
    Abstract: A displaying apparatus includes a pixel unit. The pixel unit includes at least one pixel having a light emitting device and a light conversion layer for converting a first wavelength of light of the light emitting device into a second wavelength of light different from the first wavelength; and an insulation layer covers side surfaces of the light emitting device and the light conversion layer.
    Type: Grant
    Filed: March 19, 2023
    Date of Patent: November 5, 2024
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Seong Su Son, Jong Ik Lee, Jae Hee Lim, Jong Hyeon Chae, Seung Sik Hong
  • Publication number: 20240365480
    Abstract: The present technology provides an external data storage device comprising: a memory module including a plurality of semiconductor chips suitable for storing data received from an external device; a case including a plurality of surfaces surrounding the memory module; and a case stand suitable for supporting the case in an approximately vertical direction on a ground.
    Type: Application
    Filed: December 7, 2023
    Publication date: October 31, 2024
    Inventors: Nam Hyeon CHOI, Seung Yeob BAEK, Jun Heum BAE, Dong Hae LEE
  • Publication number: 20240363685
    Abstract: A semiconductor device includes: an active pattern including a lower pattern and sheet patterns spaced apart from the lower pattern in a first direction; gate structures being separate in a second direction on the lower pattern. The gate structure includes a gate electrode and a gate insulating layer; a source/drain recess between the gate structures adjacent to each other; and a source/drain pattern filling the source/drain recess. The source/drain pattern includes: a first epitaxial region extended along a sidewall and a bottom surface of the source/drain recess, a second epitaxial region on the first epitaxial insertion epitaxial regions that are in contact with the first epitaxial region. The respective insertion epitaxial regions are spaced apart from each other and include silicon germanium. The first epitaxial region is disposed between the second epitaxial region and the insertion epitaxial region.
    Type: Application
    Filed: November 13, 2023
    Publication date: October 31, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Jun LIM, Tae Ho CHA, Su Bin LEE, Jeong Hyeon LEE, Hak Jong LEE, Seung Hyeon HONG
  • Publication number: 20240363917
    Abstract: A vehicle battery pack may include: a first battery portion including a first battery module; a second battery portion including a second battery module; a connector supplying power from at least one of the first battery portion and the second battery portion when no battery abnormality has occurred to a thermal management control unit; a bypass path unit providing a path to bypass any one of the first battery portion and the second battery portion when a battery abnormality has occurred; and a switching unit connecting the bypass path unit to the first or second battery portion when the battery abnormality has occurred, in a power supply circuit including the first battery portion and the second battery portion, connected to the connector, to supply power to the thermal management control unit.
    Type: Application
    Filed: April 3, 2024
    Publication date: October 31, 2024
    Inventors: Se Hyeon KIM, Sol San SON, Seung Hun LEE, So Yeon CHOI, Jin Su HAN
  • Publication number: 20240360331
    Abstract: A catalyst ink for plating and a method for electrochemically manufacturing an electronic device by using same are disclosed. The present invention provides a catalyst ink for plating, comprising: a polymer binder; a metal ion as a catalyst; a silane coupling agent for coupling the metal ion and the polymer; and a solvent, wherein the polymer has a lower critical solution temperature in the temperature-composition phase diagram for a solvent-polymer binary system, and the lower critical solution temperature is 30° C. or higher. According to the present invention, a high resolution plated pattern having a line width and a width between lines can be manufactured.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Inventors: Seung Kwon SEOL, Sang Hyeon LEE, Won Suk CHANG, Jae Yeon PYO
  • Patent number: 12130851
    Abstract: The invention relates to a method and a system for improving performance of text summarization and has an object of improving performance of a technique for generating a summary from a given paragraph. According to the invention to achieve the object, a method for improving performance of text summarization includes: an a step of generating an embedding vector by vectorizing a natural language-based context; a b step of generating a graph using the embedding vector and calculating a first likelihood of each of at least one node included in the graph; a c step of generating a second likelihood by assigning a weight to the first likelihood according to a result of comparing at least one node included in the graph with the context; and a d step of calculating a third likelihood for all candidate paths present in the graph based on the second likelihood, selecting a path having a highest third likelihood, and generating a summary based on the path.
    Type: Grant
    Filed: June 14, 2023
    Date of Patent: October 29, 2024
    Assignee: 42Maru Inc.
    Inventors: Dong Hwan Kim, Han Su Kim, Woo Tae Jeong, Seung Hyeon Lee, Chang Hyeon Lim
  • Publication number: 20240349637
    Abstract: Embodiments relate to a method for presetting a compensation angle for steering clearance, an apparatus for performing same, and an autonomous agricultural machine in which the apparatus is installed, the method comprising: driving an agricultural machine while a steering wheel is in a reference state; supplying a control signal to a steering control motor so that the steering wheel rotates in one direction in the reference state; receiving, by a calculation unit, a measurement result of the control signal from a current sensor; and determining a compensation angle for the steering clearance on the basis of a current measurement result of the control signal.
    Type: Application
    Filed: July 3, 2024
    Publication date: October 24, 2024
    Applicant: GINT CO., LTD.
    Inventors: Yong Hyeon KIM, Seung Rak SON, Tae Kyoung LEE
  • Patent number: 12124512
    Abstract: The present invention relates to a method for processing a knowledge graph in a data processing apparatus, comprising the steps of: (a) creating a knowledge graph including a taxonomy graph for a classification system of information objects and an entity graph for a relationship between specific information object instances; (b) updating the knowledge graph by reflecting the information objects extracted from a database in the knowledge graph; and (c) inferring the relevance of a random information object by using the updated knowledge graph.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: October 22, 2024
    Assignee: S2W INC.
    Inventors: Sang Duk Suh, Changhoon Yoon, Seung Hyeon Lee
  • Publication number: 20240331615
    Abstract: A display device includes a first layer disposed on a base layer and including a first gate electrode, a first gate insulating layer, and an active layer, and a second layer disposed on the first layer and including a second gate electrode, a second gate insulating layer, and the active layer. The first layer and the second layer share the active layer. The first gate insulating layer has a first dielectric constant, and the second gate insulating layer has a second dielectric constant. The first dielectric constant and the second dielectric constant are different from each other.
    Type: Application
    Filed: October 24, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyo Jung KIM, Seung Bo SHIM, Min Ji BAEK, Hye Sun SUNG, Ji Hyeon SON, Jeong Yong LEE
  • Publication number: 20240313613
    Abstract: The following disclosure relates to a back yokeless magnetic bearing-integrated motor, and in particular, to a back yokeless magnetic bearing-integrated motor in which a back yoke is eliminated in a permanent magnet motor and a magnetic bearing is installed inside a rotor, thereby integrating the magnetic bearing with a motor.
    Type: Application
    Filed: December 13, 2021
    Publication date: September 19, 2024
    Inventors: In-Jun YANG, Seong Hyeon GO, Won-Ho KIM, Kwang-Soo KIM, Dong-Hoon JUNG, Seung-Hyeon LEE
  • Patent number: 12093961
    Abstract: The present disclosure relates to a method for detecting a scam address of cryptocurrency using a machine learning model, and the method comprises: acquiring information about scam addresses labeled as being used for a scam transaction and information about benign addresses labeled as being used for a normal transaction from a database; acquiring information about a mule address group used for money laundering on the basis of the scam address group; acquiring feature information corresponding to each of the benign addresses and the addresses included in the scam address group or the mule address group on the basis of at least one of the information about the benign addresses, the information about the scam address group, and the information about the mule address group; and generating a machine learning model by machine learning of the feature information corresponding to each of the addresses and label information corresponding to each of the addresses.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: September 17, 2024
    Assignee: S2W INC.
    Inventors: Sang Duk Suh, Changhoon Yoon, Seung Hyeon Lee
  • Publication number: 20240301433
    Abstract: Provided is an isolated polynucleotide including a nucleotide sequence coding for a non-natural 5-untranslated region (5?-UTR) and a nucleotide sequence coding for a non-natural or natural 3-untranslated region (3?-UTR). As such, the polynucleotide increases mRNA stabilization and translation efficiency and thus can be used for effectively acquiring a desired polypeptide.
    Type: Application
    Filed: June 24, 2022
    Publication date: September 12, 2024
    Inventors: Seung Su Han, Da Hyeon Park, Euh Lim OH, Yong Ho Heo, Jin Bong Lee, Joo Young Dong, Seung Hyun Shin, Chang Gyu Lim
  • Publication number: 20240306505
    Abstract: The present invention relates to a high-efficiency organic light-emitting device having excellent light-emitting characteristics in light-emitting efficiency, etc. by employing an anthracene derivative compound having a characteristic structure as a host in a light-emitting layer. By using the high-efficiency organic light-emitting device, according to the present invention, the organic light-emitting device can be utilized for various display devices such as flat panel, flexible, and wearable displays as well as a lighting device.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 12, 2024
    Inventors: Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20240270709
    Abstract: The present invention relates to a novel heterocyclic compound which can be used for an organic light-emitting device, and an organic light-emitting device comprising same, wherein [Chemical Formula A] above is as set forth in the detailed description of the invention.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 15, 2024
    Inventors: Si-In KIM, Se-Jin LEE, Seok-Bae PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Ying KIM, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM, Seung-Soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • Publication number: 20240268161
    Abstract: A display device includes a first transistor, a pixel electrode electrically connected to the first transistor, and a second transistor electrically connected to the first transistor. A nitrogen content per unit area of an active layer of the second transistor is greater than a nitrogen content per unit area of an active layer of the first transistor.
    Type: Application
    Filed: October 20, 2023
    Publication date: August 8, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Bo SHIM, Hyo Jung KIM, Ji Hyeon SON, Jeong Yong LEE, Yoo Young PARK, Ji Myoung SEO