Patents by Inventor Hyun Sung

Hyun Sung 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: 11967529
    Abstract: Methods of manufacturing a semiconductor chip are provided. The methods may include providing a semiconductor substrate including integrated circuit regions and a cut region. The cut region may be between the integrated circuit regions. The methods may also include forming a modified layer by emitting a laser beam into the semiconductor substrate along the cut region, polishing an inactive surface of the semiconductor substrate to propagate a crack from the modified layer, and separating the integrated circuit regions along the crack. The cut region may include a plurality of multilayer metal patterns on an active surface of the semiconductor substrate, which is opposite to the inactive surface of the semiconductor substrate. The plurality of multilayer metal patterns may form a pyramid structure when viewed in cross section.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-moon Bae, Yoon-sung Kim, Yun-hee Kim, Hyun-su Sim, Jun-ho Yoon, Jung-ho Choi
  • Publication number: 20240125357
    Abstract: The present invention relates to an air foil journal bearing in which air is introduced between a foil and a rotor rotating at high speed and generates pressure to support a radial load of the rotor and allow the rotor to rotate smoothly, and more particularly, to a housing fixing structure of an air foil journal bearing that improves durability against external impact or vibration by restricting an axial movement of a bump by means of two opposite ends of the bump and a top foil fixing portion.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 18, 2024
    Applicant: Hanon Systems
    Inventors: Yeol Woo SUNG, Hyun Chil KIM, Gunwoong PARK, Min Gyu PARK, Chi Yong PARK, Hyun Sup YANG, Jong Sung LEE, Kyu Sung CHOI
  • Publication number: 20240125334
    Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.
    Type: Application
    Filed: March 30, 2022
    Publication date: April 18, 2024
    Inventors: Kyu Sung CHOI, Hyun Chil KIM, Gun Woong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE
  • Publication number: 20240124362
    Abstract: Disclosed are a BCTZ-based lead-free piezoelectric ceramic composition and a method of preparing a BCTZ-based lead-free piezoelectric ceramic which provide high piezoelectric properties and speaker characteristics. The method of preparing a lead-free piezoelectric ceramic includes preparing a mixture in which copper oxide is added to a BCTZ-based base material and sintering the mixture at a temperature of 1300° C. to 1600° C. for 1 to 5 hours, wherein a weight ratio of the copper oxide in the mixture is 0.6 wt %.
    Type: Application
    Filed: February 15, 2022
    Publication date: April 18, 2024
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Tae-Hyun SUNG, Kyung Bum KIM
  • Publication number: 20240127757
    Abstract: A power management driver and a display device having the power management driver are provided, including a first power supply configured to supply a first voltage to a first driving power terminal of a pixel through a power line during a sensing period, and supply a second voltage to the first driving power terminal of the pixel through the power line during a display period; a controller configured to control timing at which the first voltage is output and timing at which the second voltage is output during a transition period between the display period and the sensing period in response to a sensing control signal; and a fault detector configured to detect a fault in the power line based on a current flowing through an output terminal during the sensing period.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventors: Dae Sik LEE, Si Duk SUNG, Sang Hyun LEE
  • Patent number: 11959857
    Abstract: Provided is a Raman scattering measurement apparatus including a light source which emits light to smoke particles, a filter configured to block light which is incident to the smoke particles and passes through the particle and to allow Raman scattered light to pass therethrough, and a photodetector which detects the Raman scattered light passing through the filter in order to distinguish fire smoke generated due to a true fire from non-fire smoke generated due to daily life or industrial activity. The present invention also provides a fire determination apparatus including a unit which reads a Raman shift from Raman scattered light detected by the photodetector of the Raman scattering measurement apparatus, estimates a smoke component from the read Raman shift, and determines fire/non-fire from the estimated smoke component and a method thereof.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: April 16, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoe Sung Yang, Soo Cheol Kim, Hyun Seok Kim, Sang Hyun Mo, So Young Park, Kang Bok Lee, Kyu Won Han
  • Publication number: 20240120813
    Abstract: Air compressor in which the arrangement structure between a filter part and a discharge resistor reduces interference between the filter part and the discharge resistor and increases the space utilization of the filter part, making the air compressor more compact. The air compressor comprises a housing with a rotary shaft disposed inside it; a compression part connected to the rotary shaft which compresses and discharges introduced air; a motor part driving the rotary shaft; a control board for controlling the motor part, and the filter part which filters noise of external power and supplies the external power to the control board, wherein the filter part includes a capacitor assembly connected to an external power source, a transistor connected to the control board, a current sensor assembly connected to the transistor, and a discharge resistor connected to the capacitor assembly and discharges the residual charge in the capacitor assembly.
    Type: Application
    Filed: April 11, 2022
    Publication date: April 11, 2024
    Inventors: Kyu Sung CHOI, Gun Woong PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG
  • Publication number: 20240116184
    Abstract: An automated gas supply system includes a gas cylinder transfer unit configured to transfer a cradle in which one or more gas cylinders storing a gas therein are stored; a gas cylinder inspection unit configured to check properties of the gas stored in the gas cylinder transferred from the gas cylinder transfer unit and check whether the gas leaks from the gas cylinder; a storage queue configured to receive the gas cylinder from the gas cylinder inspection unit by a mobile robot and configured to classify and store the transferred gas cylinders according to the properties of the gas stored in the gas cylinder; and a gas cabinet configured to receive the gas cylinder from the storage queue by the mobile robot and fasten a gas pipe, which is connected to a semiconductor manufacturing process line, to a gas spray nozzle, which is disposed at one side of the received gas cylinder, to supply the gas stored in the gas cylinder to the semiconductor manufacturing process line, wherein the gas cabinet includes a resid
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Min Sung HA, Kwang-Jun KIM, Jong Kyu KIM, Hyun-Joong KIM, Jin Ho SO, Chi-Gun AN, Ki Moon LEE, Hui Gwan LEE, Beom Soo HWANG
  • Patent number: 11948545
    Abstract: A sound control device in a vehicle and control method thereof may include obtaining energy per unit time of an audio signal corresponding to a preset low frequency band, calculating an allowable reference value based on a difference between a magnitude of energy per unit time of the audio signal and a magnitude of a preset maximum allowable input of a speaker, monitoring whether a magnitude of energy per unit time of a noise control signal for eliminating noise in the vehicle exceeds the allowable reference value, and adjusting a magnitude of the noise control signal when the magnitude of energy per unit time of the noise control signal exceeds the allowable reference value.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: April 2, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jung Keun You, Jong Won Lee, Kaang Dok Yee, Chi Sung Oh, Hyun Jin Song
  • Publication number: 20240107853
    Abstract: A display device includes: a display panel including a base layer, a light emitting element layer, and an encapsulation layer; and an input detection unit disposed on the display panel, wherein the display panel includes: a first side and a second side, wherein the encapsulation layer includes an organic encapsulation layer including: an inclined part adjacent to the first side and the second side; and a flat part extending from the inclined part, wherein a first angle formed by the inclined part with respect to an upper surface of the base layer in a first part of the display panel and input detection unit adjacent to the first side is less than a second angle formed by the inclined part with respect to the upper surface of the base layer in a second part of the display panel and input detection unit adjacent to the second side.
    Type: Application
    Filed: December 11, 2023
    Publication date: March 28, 2024
    Inventors: JINHO HYUN, HYOUNG SUB LEE, HYEMIN LEE, WOO YONG SUNG
  • Patent number: 11941666
    Abstract: A system for automatic matching search advertisement based on a product includes an advertising server configured to be accessible by at least one affiliate server and provide the affiliate server with a product-based automatic matching advertising interface, a text analysis apparatus configured to generate at least one text-based product attribute value corresponding to selected product advertising information by analyzing text information corresponding to the product advertising information selected by the affiliate server while operating in conjunction with the advertising server and to provide the at least one text-based product attribute value, and at least one user terminal having a product search application provided by the advertising server and installed therein, and connected to the advertising server over a network.
    Type: Grant
    Filed: December 4, 2021
    Date of Patent: March 26, 2024
    Assignee: NHN CORPORATION
    Inventors: Bowoo Choi, Ji Hyun Sung, Kirin Choi
  • Publication number: 20240097552
    Abstract: A power source apparatus, according to an aspect of the present disclosure, includes: a circuit on a primary side constituted so that a first voltage with an input voltage stepped down is formed on the primary side of a transformer; and a circuit on a secondary side including first to N sub-circuits (N is a natural number of 2 or more), each sub-circuit operating to generate a power source voltage of a driver configured to drive a power element through a converter operating based on a second voltage formed on the secondary side of the transformer after the first voltage is transformed by the transformer, in which the power source voltage generated by the sub-circuit is determined dependently on an output voltage of the converter.
    Type: Application
    Filed: July 26, 2023
    Publication date: March 21, 2024
    Applicant: IRON DEVICE CORPORATION
    Inventors: Hyun Min Cho, Ki Tae Park, Jin Sung Kim
  • Publication number: 20240092335
    Abstract: A system for predicting a negative pressure of a brake booster of a vehicle includes: a driving information detector detecting driving information related to driving of the vehicle; and a controller determining a negative pressure of an intake manifold based on a pressure of the intake manifold and an atmospheric pressure which is the driving information and including a booster negative pressure predictor predicting the negative pressure of the brake booster by integrating over time a change rate according to a charging rate and a discharging rate of the negative pressure determined using a negative pressure of the brake booster determined in a previous cycle according to a logic for predicting the negative pressure of the brake booster and the negative pressure of the intake manifold of a current cycle and an imitated brake pedal force signal of the current cycle imitating an acceleration of the vehicle.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 21, 2024
    Inventors: Tae Hun JUNG, Hyun Sung PARK, Young-Jin KIM
  • Patent number: 11937472
    Abstract: An manufacturing method of a display device may include the following steps: forming a transistor on a substrate; forming an insulating layer on the transistor; forming a conductive layer including silver on the insulating layer; forming a photosensitive member on the conductive layer; forming an electrode of a light-emitting element by etching the conductive layer; performing plasma treatment on a structure that comprises the electrode, the plasma treatment using a gas including a halogen; and removing a product that is resulted from the plasma treatment.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Gab Kim, Hyun Min Cho, Tae Sung Kim, Yu-Gwang Jeong, Su Bin Bae, Jin Seock Kim, Sang Gyun Kim, Hyo Min Ko, Kil Won Cho, Hansol Lee
  • Patent number: 11936033
    Abstract: The present disclosure provides a battery tab-feeding device including a battery tab disposed on a non-coating part of an electrode plate during a process of manufacturing an electrode by fusing the battery tab to the non-coating part of an electrode plate, an electrode plate supporting part disposed to support the electrode plate having a first surface exposed from both surfaces of the electrode plate and a tab transferring part disposed to support a battery tab and transfer the battery tab to the non-coating part of the electrode plate. Additionally, a guide part guides the transfer of the battery tab to position a first side edge of the battery tab perpendicular to a first side edge of the electrode plate.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: March 19, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Tae Hyun Kwon, Joo Hwan Sung, Hyoung Kwon Kim
  • Patent number: 11937476
    Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Sung An, Sung Ho Kim, Yong Jae Kim, Yun Hwan Park, Yoon Jee Shin, Sug Woo Jung, Hyun Wook Choi
  • Publication number: 20240083384
    Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.
    Type: Application
    Filed: February 3, 2023
    Publication date: March 14, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.
    Inventors: Sang Soo LEE, Chan Ho JUNG, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Deok Soo LIM, Sang Do PARK, In Sun BAEK, Sin Chan YANG, Chan Ki CHO, Myung Soo LEE, Jae Yong JANG, Jun Sik HWANG, Ho Sung KANG, Hae Dong KWAK, Hyun Tak KO
  • Publication number: 20240083466
    Abstract: The present disclosure relates to a driving mode switching device and a driving mode switching method. Particularly, the driving mode switching device according to the present disclosure comprises: a driving mode switching determination unit for determining to switch a driving mode of a vehicle to either an autonomous driving mode or a manual driving mode on the basis of at least one from among driving information, detection information, and driver detection information; and a driving mode switching unit for controlling a transition section in which the driving mode is switched and/or the ratio of turning control signals in the driving modes on the basis of at least one from among the driving information, the detection information, and the driver detection information when it is determined that the driving mode is to be switched, and switching the driving mode by changing the turning control signal.
    Type: Application
    Filed: September 22, 2020
    Publication date: March 14, 2024
    Inventors: Eun Ho JANG, Ki Sung JO, Hyun Jung KIM
  • Publication number: 20240078778
    Abstract: A processor-implemented method includes adjusting a virtual content object based on a shape of the virtual content object projected onto a projection plane; and visualizing the adjusted virtual content object on the projection plane.
    Type: Application
    Filed: November 2, 2023
    Publication date: March 7, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Heesae LEE, Hyun Sung CHANG
  • Patent number: 11922714
    Abstract: Provided is a display device. The display device includes a display panel which includes a base substrate, a thin-film transistor layer on the base substrate, and a light emitting element layer comprising light emitting elements on the thin-film transistor layer; a cover window on the light emitting element layer of the display panel; and a fingerprint recognition sensor layer under the display panel. The base substrate includes a first base, a second base on the first base, and a light blocking layer between the first base and the second base, and the light blocking layer includes holes through which light reflected by a finger touching the cover window passes.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyun Lee, Ji Hun Ryu, Il Nam Kim, Jong In Baek, Eun Jin Sung