Patents by Inventor Chang-hyun Kim

Chang-hyun Kim 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: 20250059645
    Abstract: A substrate processing device. The device comprises: a first source supply unit; a second source supply unit; a first supply line for connecting the first source supply unit to a spraying unit; a second supply line for connecting the second source supply unit to the spraying unit; a mixing unit provided at the first supply line to be arranged between the first source supply unit and the spraying unit; a first connection line for connecting the second supply line to the first supply line and/or the mixing unit; and a first path change unit provided at a first connection point at which the first connection line is connected to the second supply line, wherein the first path change unit changes the flow path of a second source gas supplied from the second source supply unit.
    Type: Application
    Filed: January 17, 2023
    Publication date: February 20, 2025
    Inventors: Duck Ho KIM, Min Hyuk KIM, Kyung In MIN, Chang Kyun PARK, Jun Hee HAN, Du Ho KIM, Su Ye KIM, Seung Hyun LEE, Chul Joo HWANG
  • Patent number: 12229936
    Abstract: Some example embodiments relate to a super resolution scanning electron microscope (SEM) image implementing device and/or a method thereof. Provided a super resolution scanning electron microscope (SEM) image implementing device comprising a processor configured to crop a low resolution SEM image to generate a first cropped image and a second cropped image, to upscale the first cropped image and the second cropped image to generate a first upscaled image and a second upscaled image, and to cancel noise from the first upscaled image and the second upscaled image to generate a first noise canceled image and a second noise canceled image.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: February 18, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Joon Lee, Il Kwon Kim, Sang Gul Park, Chang Wook Jeong, Moon Hyun Cha, Sat Byul Kim
  • Patent number: 12225815
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Chang Ju Shin, Seungjae Lee, Hyung Sun Kim, Yuna Jang, Eun Sun Yu, Sung-Hyun Jung
  • Patent number: 12219692
    Abstract: A printed circuit board includes a first substrate portion including a plurality of first insulating layers, a plurality of first wiring layers respectively disposed on the plurality of first insulating layers, and a plurality of first adhesive layers respectively disposed between the plurality of first insulating layers to respectively cover the plurality of first wiring layers; and a second substrate portion disposed on the first substrate portion, and including a plurality of second insulating layers, a plurality of second wiring layers respectively disposed on the plurality of second insulating layers, and a plurality of second adhesive layers respectively disposed between the plurality of second insulating layers to respectively cover the plurality of second wiring layers.
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Jung Byun, Jung Soo Kim, Sang Hyun Sim, Chang Min Ha, Tae Hong Min, Jin Won Lee
  • Patent number: 12217970
    Abstract: Disclosed is a plasma etching method. The plasma etching method comprises: a first step for evaporating liquid perfluoropropyl carbinol (PPC); a second step for supplying a discharge gas including the evaporated PPC and argon gas to a plasma chamber in which an object to be etched is arranged; and a third step for discharging the discharge gas to generate plasma, and using the plasma to plasma-etch the object to be etched.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: February 4, 2025
    Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Chang-Koo Kim, Jun-Hyun Kim
  • Patent number: 12219869
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2; or a combination of Chemical Formula 3 and Chemical Formula 4,
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seungjae Lee, Seonyeong Gwak, Jinhyun Lui, Chang Ju Shin, Jongwoo Won, Youngkyoung Jo, Hyung Sun Kim, Hyungyu Lee, Sung-Hyun Jung
  • Publication number: 20250038016
    Abstract: The present inventive concept relates to a substrate processing apparatus and a substrate processing method, which can accurately measure temperature in even a low-temperature region, thus making it possible to efficiently manage heat. The substrate processing apparatus comprises: a chamber for providing a processing space in which a substrate is processed; a substrate support provided in the processing space of the chamber in order to support the substrate; a heater provided with a plurality of semiconductor laser modules that emit light toward a first surface of the substrate; and a pyrometer which is provided on the side of a second surface of the substrate facing the first surface and detects light emitted from the substrate to measure the temperature of the substrate. The main light-emitting wavelength of the plurality of semiconductor laser modules may be shorter than the measurement wavelength of the pyrometer.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 30, 2025
    Inventors: Dae Ryong LEE, Sang Hyun JI, Chang Kyo KIM
  • Patent number: 12213378
    Abstract: Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, and an organic optoelectronic device and a display device including the same. Details of Chemical Formula 1 are as defined in the specification.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang Ju Shin, Hyung Sun Kim, Dong Wan Ryu, Jongwoo Won, Hanill Lee, Jinseok Jang, Ho Kuk Jung, Dongkyu Ryu, Hyunji Yoo, Mijin Lee, Sung-Hyun Jung
  • Publication number: 20250029741
    Abstract: The present invention relates to a method for analyzing a severe accident at a nuclear power plant by using a modular analysis code, comprising the step of: receiving the input of a nuclear power plant to be analyzed and an accident sequence; selecting, from a modular analysis code, an individual module for analyzing a severe accident that is triggered by the accident sequence; setting an accident simulation variable for simulating the severe accident from a nuclear power plant input model; determining whether the accident simulation variable is valid; and, if determined to be valid, analyzing the severe accident through the modular analysis code by using the accident simulation variable, wherein the individual module of the modular analysis code includes: a master module; a first module for analyzing in-core phenomena in the event of a severe accident; a second module for analyzing ex-core phenomena in the event of a severe accident; and a third module for analyzing behaviors of fission products in the event
    Type: Application
    Filed: January 5, 2023
    Publication date: January 23, 2025
    Inventors: Jae Hwan PARK, Yu Jung CHOI, Chang Hyun KIM
  • Publication number: 20250026492
    Abstract: In an assembly system of an aircraft including a fuselage and a wing, the aircraft assembly system may include: a jig unit coupled to the wing to move integrally with the wing; a transfer unit connected to the jig unit and transferring the wing toward the fuselage; a position adjusting unit detachably connected to the jig unit and adjusting a position of the jig unit; and a measuring unit configured for measuring positions of the fuselage and the wing, wherein the fuselage may be relatively fixed to the movement of the wing, wherein the measuring unit may be configured to set a fuselage coordinate system and a wing coordinate system for the fuselage and the wing, respectively, wherein the position adjusting unit may be configured to move the jig unit so that the wing coordinate system coincides with the fuselage coordinate system.
    Type: Application
    Filed: November 30, 2023
    Publication date: January 23, 2025
    Inventors: Dong Ho LEE, Sang Bin HAN, Myung Kyun JEONG, Chang Hoon LEE, Tae Hwan KWAK, Cheol Bae PARK, Jun Young CHOI, Dong Han LEE, Suk Hyun YOON, Jeong Rak KIM
  • Publication number: 20250029200
    Abstract: The present invention relates to a test handler for graphics chip including a loading unit performing a loading process of loading a graphics chip which is to be tested, an unloading unit performing an unloading process of unloading a tested graphics chip, a test unit testing the graphics chip which is to be tested, a buffer unit transferring a graphics chip between the loading unit and the test unit and transferring a graphics chip between the unloading unit and the test unit, wherein the test unit includes a commercial graphics card which is the same as a practically used graphics card and a contact unit connecting the commercial graphics card to the graphics chip which is to be tested.
    Type: Application
    Filed: July 3, 2024
    Publication date: January 23, 2025
    Inventors: Kyung Tae KIM, Sung Yong Yu, Ung-Hyun Yoo, Kuk-Hyung Lee, Seok Heo, Chang Hoon Baek
  • Patent number: 12188683
    Abstract: Disclosed is a machine learning-based air handler and a control method thereof, the control method including collecting first data on an air quality of air flowing into the air handler, controlling a purification part based on the first data, collecting second data on an air quality of air passing through the purification part, and controlling the purification part according to a machine-learning model generated based on a setting value related to a control of the purification part, the first data, and the second data.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: January 7, 2025
    Assignee: AweXome Ray, Inc.
    Inventors: Hong Soo Choi, Jun Young Choi, Sung Hyun Bae, Nam Kyu Lee, Gi Hoon Yoon, Chang Hyun Kim, Se Hoon Gihm
  • Publication number: 20240423489
    Abstract: A deep learning-based blood pressure estimation system using a photoplethysmography (PPG) signal detection ring is provided. The system may include a server, and the server may include a signal feature extraction component configured to extract PPG features from a PPG signal by using a first deep learning model, a user feature extraction component configured to extract user features, by using a second deep learning model, from a first test PPG signal measured using the PPG signal detection ring, systolic and diastolic test blood pressures measured using a conventional blood pressure monitor simultaneously with the first test PPG signal, and user information, and a blood pressure estimation component configured to estimate systolic and diastolic blood pressures from the PPG features and the user features by using a third deep learning model, wherein the PPG signal is measured using the PPG signal detection ring, and the server receives the PPG signal from the PPG signal detection ring through a terminal.
    Type: Application
    Filed: September 14, 2022
    Publication date: December 26, 2024
    Inventors: Sung Mi Jo, Min Hyung Lee, Chang Hyun Kim, Chang Woo Choi, Byung Hwan Lee
  • Publication number: 20240404573
    Abstract: A semiconductor device includes a command decoder configured to generate a block command, based on a command address, and a clock division circuit configured to divide an internal clock and an inverted internal clock to generate division clocks. In the present disclosure, the clock division circuit is configured to stop generating the division clocks for a block section when the block command is generated.
    Type: Application
    Filed: October 24, 2023
    Publication date: December 5, 2024
    Applicant: SK hynix Inc.
    Inventor: Chang Hyun KIM
  • Publication number: 20240403600
    Abstract: A processing-in-memory (PIM)-based accelerating device includes a plurality of PIM devices, a PIM network system configured to control traffic of signals and data for the plurality of PIM devices, and a first interface configured to perform interfacing with a host device. The PIM network system controls the traffic so that the plurality of PIM devices perform different operations, the plurality of PIM devices perform different operations in groups, or the plurality of PIM devices perform the same operation in parallel.
    Type: Application
    Filed: November 13, 2023
    Publication date: December 5, 2024
    Applicant: SK hynix Inc.
    Inventors: Yong Kee KWON, Gu Hyun KIM, Nah Sung KIM, Chang Hyun KIM, Gyeong Cheol SHIN, Byeong Ju AN, Hae Rang CHOI
  • Publication number: 20240389873
    Abstract: A deep-learning-based atrial fibrillation determination system using a photoplethysmography (PPG) signal detection ring is provided.
    Type: Application
    Filed: September 14, 2022
    Publication date: November 28, 2024
    Inventors: Hyung Min Chang, Hae Na Kim, Sung Mi Jo, Min Hyung Lee, Chang Hyun Kim, Chang Woo Choi, Byung Hwan Lee
  • Publication number: 20240374181
    Abstract: Provided is a system for estimating oxygen saturation by using a photoplethysmography (PPG) signal sensing ring.
    Type: Application
    Filed: September 14, 2022
    Publication date: November 14, 2024
    Inventors: Hyung Min Chang, Hae Na Kim, Min Hyung Lee, Chang Hyun Kim, Chang Woo Choi, Byung Hwan Lee
  • Patent number: 12083535
    Abstract: This application relates to a modular electrostatic precipitator. In one aspect, the modular electrostatic precipitator includes a housing providing a flow path through which air is moved and a charging module configured to emit electromagnetic waves to the air. The precipitator may also include a first attaching/detaching unit configured to attach and detach the charging module to and from the housing and a particle collecting module configured to collect particles in the air by applying an electrostatic force to the air. The precipitator may further include a second attaching and detaching unit configured to attach and detach the particle collecting module to and from the housing.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: September 10, 2024
    Assignee: AweXome Ray, Inc.
    Inventors: Hong Sue Choi, Jun Young Choi, Se Hoon Gihm, Sung Hyun Bae, Nam Kyu Lee, Ki Hoon Yoon, Chang Hyun Kim
  • Patent number: 12040626
    Abstract: A wireless power transmitting device according to an embodiment may include a power transmission circuit and a processor. The processor may be configured to control the power transmission circuit to wirelessly transmit power to a first area around the wireless power transmitting device, perform a predetermined first operation when an obstacle is detected in a second area around the first area, and perform a predetermined second operation when it is detected that the obstacle has entered the first area.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: July 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Seok Park, Young-Ho Ryu, Chang-hyun Kim, Myung-ho Kim, Woong-Il Choi
  • Patent number: 12013012
    Abstract: The present invention relates to a cycloidal speed reducer and a manufacturing method thereof, and more particularly, to a thin cycloidal speed reducer and a manufacturing method thereof that are capable of achieving a thin structure through an input member with a hollow portion.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: June 18, 2024
    Assignee: BONSYSTEMS CO., LTD.
    Inventor: Chang-Hyun Kim