Patents by Inventor Hyun-Tae Lee

Hyun-Tae 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: 20240404599
    Abstract: The present technology relates to a semiconductor device. In an embodiment, a memory device capable of reducing a time required for a read operation and preventing an HCI phenomenon of a memory cell may include a plurality of voltage regulators configured to generate operation voltages applied to a word line group, a switch control signal generator configured to generate at least one switch control signal controlling to connect or disconnect at least one voltage regulator among the plurality of voltage regulators to or from the word line group, and a plurality of switching circuits each is connected to any one voltage regulator among the plurality of voltage regulators, and connecting the plurality of voltage regulator to the word line group according to the switch control signal in a period in which a pass voltage among the operation voltages is applied to the word line group during a read operation.
    Type: Application
    Filed: November 20, 2023
    Publication date: December 5, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyun Soo LEE, Kyu Tae PARK
  • Publication number: 20240400760
    Abstract: The present invention provides a polyamic acid aqueous solution composition capable of polymerizing polyamic acid in water rather than in an organic solvent, as well as achieving a high imidization rate during low-temperature curing.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 5, 2024
    Inventors: Jong Chan WON, Yun Ho KIM, No Kyun PARK, Yu Jin SO, Jin Soo KIM, Jong Min PARK, Sung Mi YOO, Yi Young KANG, Hyun Jin PARK, Yu Mi HA, Ji Yun CHUNG, Hyun Tae LIM, Eun Byeol SEO, Ji Won LEE, Hyun Jeong AHN
  • Patent number: 12161027
    Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: December 3, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Bum Kim, Kyung Tae Chae, Ki Nyeng Kang, Jin Taek Kim, Hyun Wook Lee
  • Patent number: 12155021
    Abstract: A pixel includes a first insulating film disposed on a substrate, a light emitting element disposed on the first insulating film, a second insulating film disposed on the light emitting element to cover at least a portion of the light emitting element, a first contact electrode and a second contact electrode, each of the first and second contact electrodes including at least a portion disposed on the first insulating film and connected to the light emitting element, and an encapsulation layer including a photosensitive material.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Wook Lee, Ki Nyeng Kang, Ki Bum Kim, Jin Taek Kim, Kyung Tae Chae
  • Publication number: 20240380040
    Abstract: Disclosed is a battery cell, which includes an electrode assembly including a cell body and an electrode tab provided to at least one side of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead coupled to the electrode tab and extending from the cell case, and a tab protection module accommodated in the cell case and configured to cover at least a portion of the electrode tab, the tab protection module including a lead positioning guide and a corresponding positioning guide insert portion adapted to receive the positioning guide insert portion, wherein the positioning guide insert portion is configured to couple to the electrode lead to guide a position of the electrode lead relative to the cell case.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 14, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyoung-Soon Yoon, Seok-Je Kim, Yong-Tae Lee, Hyun-Sang Lee
  • Patent number: 12140069
    Abstract: Provided is a cooling module including a reservoir tank in which cooling water is stored, a screw pump coupled to the reservoir tank and having a cooling water inlet communicating with the reservoir tank to pump cooling water, and a direction control valve coupled to the reservoir tank, having an outlet port communicating with the reservoir tank, and having a plurality of inlet ports to change a direction of flow of cooling water according to an operation, so that efficiency corresponding to the use of a plurality of centrifugal pumps of the related art may be achieved by using a single screw pump, thereby reducing the number of parts and simplifying a package, while simplifying the configuration.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: November 12, 2024
    Assignee: COAVIS
    Inventors: Hyun Tae Lee, Woo Keun Lee, Hyuk Jin Lee, Dong Heon Mo, Daeil Hyun
  • Patent number: 12132110
    Abstract: Disclosed is a synaptic transistor, including a substrate, an expansion gate electrode disposed to extend in one direction on the substrate, a gate insulating layer including ions, covering the expansion gate electrode, and disposed on the substrate, a channel layer disposed on the gate insulating layer to correspond to one end of the expansion gate electrode, source and drain electrodes spaced apart from each other, covering both ends of the channel layer, and disposed on the gate insulating layer, and a pad electrode disposed on the gate insulating layer to correspond to the other end of the expansion gate electrode.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 29, 2024
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Dae Hwan Kim, Dong Yeon Kang, Jun Tae Jang, Shin Young Park, Hyun Kyu Lee, Sung Jin Choi, Dong Myoung Kim, Wonjung Kim
  • Patent number: 12128384
    Abstract: The present disclosure relates to a catalyst for direct nonoxidative conversion of methane and a method of preparing the same, and more particularly to a method of preparing a catalyst for direct nonoxidative conversion of methane, in which a catalyst optimized for the direct conversion reaction of methane can be easily prepared without precise control of the reaction conditions for direct conversion of methane, thereby simultaneously maximizing the catalytic reaction rate and minimizing coke formation, and exhibiting stable catalytic performance even after long-term operation, and to a catalyst for direct nonoxidative conversion of methane prepared using the above method.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: October 29, 2024
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Yong Tae Kim, Sung Woo Lee, Seung Ju Han, Seok Ki Kim, Hyun Woo Kim
  • Patent number: 12125432
    Abstract: Disclosed is a digital display system based on a common interface. More particularly, a cluster pixel circuit includes a row terminal connected to a row line for receiving PWM (Pulse Width Modulation) clock signal; a column terminal connected to a column line for receiving N-bit data; a first individual pixel driver for driving a first pixel in the cluster pixel; and a second individual pixel driver connected to the first individual pixel driver and for driving a second pixel in the cluster pixel.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: October 22, 2024
    Assignee: Sapien Semiconductors Inc.
    Inventors: Dae Young Jung, Geun Taek Lee, Hyun Tae Jung, Jong Gu Jeon, Myunghee Lee
  • Patent number: 12103899
    Abstract: The present disclosure relates to a method for non-oxidative direct conversion of methane. Specifically, in the method, a methane/hydrogen gas is introduced into an Inconel 600 reactor at a superficial velocity of 100 to 200 cm·min?1 and a catalyst is not externally introduced into the reactor. Under the conditions, a non-oxidative direct methane conversion reaction is performed in the Inconel 600 reactor. The method maximizes the reaction rate, minimizes coke formation, and increases the yields of C2 hydrocarbon compounds and aromatic compounds.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: October 1, 2024
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Yong Tae Kim, Sung Woo Lee, Seok Ki Kim, Jungho Shin, Seung Ju Han, Hyun Woo Kim, Eun Hae Sim
  • Publication number: 20240279802
    Abstract: Provided are a process chamber cleaning apparatus and method in which the inside of a process chamber may be cleaned without damaging to an inner wall or a component of the process chamber. The process chamber cleaning apparatus comprising: a chamber housing; a substrate support installed inside the chamber housing, supporting a plurality of semiconductor substrates; a gas supply providing process gases; a first gas injector installed inside the chamber housing, connected to the gas supply, injecting etch gas, which is one of the process gases, into the chamber housing; and a controller controlling operations of the gas supply and the first gas injector, wherein the first gas injector injects the etch gas in a direction twisted at a predetermined angle from a central direction of the chamber housing.
    Type: Application
    Filed: November 14, 2023
    Publication date: August 22, 2024
    Inventors: Jung-Min LEE, Gi Duck KWEON, Dae Ki KIM, Hang Kyu SONG, Hyun Tae YANG, Byoung Kwon YEO, Byeong Ho WOO, Jae Sung YU, Jung Bae CHOI
  • Patent number: 12062759
    Abstract: An electrolyte for a lithium secondary battery and a lithium second battery including the same are disclosed herein. In some embodiments, an electrolyte includes an additive containing a compound represented by Formula 1, an oligomer containing a unit represented by Formula 2 and having an acrylate group at an end thereof, a lithium salt, and an organic solvent.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 13, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Hyun Seung Kim, Hyung Tae Kim
  • Publication number: 20240263576
    Abstract: Provided is a cooling module including a reservoir tank in which cooling water is stored, a screw pump coupled to the reservoir tank and having a cooling water inlet communicating with the reservoir tank to pump cooling water, and a direction control valve coupled to the reservoir tank, having an outlet port communicating with the reservoir tank, and having a plurality of inlet ports to change a direction of flow of cooling water according to an operation, so that efficiency corresponding to the use of a plurality of centrifugal pumps of the related art may be achieved by using a single screw pump, thereby reducing the number of parts and simplifying a package, while simplifying the configuration.
    Type: Application
    Filed: June 23, 2023
    Publication date: August 8, 2024
    Applicant: COAVIS
    Inventors: Hyun Tae LEE, Woo Keun LEE, Hyuk Jin LEE, Dong Heon MO, Daeil HYUN
  • Patent number: 12046556
    Abstract: A FINFET includes a substrate having a semiconductor fin extending upward from a first surface thereof, and first and second power rails on first and second opposing sides of the semiconductor fin, respectively. A base of the semiconductor fin may be recessed within a trench within the surface of the substrate, and the first and second power rails may at least partially fill the trench. A through-substrate via may be provided, which extends from adjacent a second surface of the substrate to at least one of the first and second power rails. A source/drain contact is also provided, which is electrically connected to a source/drain region of the FINFET and at least one of the first and second power rails.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: July 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui Bok Lee, Wan Don Kim, Hyun Bae Lee, Yoon Tae Hwang
  • Publication number: 20240200573
    Abstract: Provided is a valve-integrated electrical water pump in which an impeller for circulating a coolant to the outside and a valve for selectively opening and closing a plurality of ports inside an integrated housing to control a circulation of a coolant used in electric vehicles, thereby simplifying the overall structure of the pump and simplifying an internal flow path.
    Type: Application
    Filed: December 19, 2023
    Publication date: June 20, 2024
    Inventors: Hyun Tae Lee, Woo Keun LEE
  • Publication number: 20240141902
    Abstract: Provided is an electric water pump which may have a reduced overall size by simplifying a power transfer structure between a power unit and a rotation unit, and effectively cool a stator and a rotor without any additional structure for their cooling by distributing a fluid between the power unit and the rotation unit.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 2, 2024
    Inventors: Hyun Tae LEE, Woo Keun LEE
  • Publication number: 20240110846
    Abstract: An embodiment apparatus for verifying a vehicle seat anti-pinch includes a base including a plurality of assembly holes, a seat mounting unit assembled to an upper portion of the base through the assembly holes, a seat mounted to an upper portion of the seat mounting unit, a support structure assembled at a rear of the seat mounting unit, and a measurement unit assembled to the upper portion of the base through the assembly holes, the measurement unit including a pressure measuring device movably mounted to a number of measuring points corresponding to main body parts of a passenger in a rear seat by the support structure, wherein the measurement unit is configured to measure a physical contact with the seat and a pressing force through the pressure measuring device.
    Type: Application
    Filed: September 5, 2023
    Publication date: April 4, 2024
    Inventors: Kug Hun Han, Yohan Kim, Donghoon Lee, Jae Myung Hur, Jong Ho Lim, Hyun Tae Lee, Han Jin Kim
  • Patent number: 11885346
    Abstract: The present invention relates to a water pump including a lower casing in which a rotor accommodating part is formed to protrude downwardly and a lower bearing mounting part is formed at a lower end of an inner portion; an upper casing in which an inlet part introducing a fluid and an outlet part discharging the fluid are formed and an upper bearing mounting part is formed to extend from a lower end of the inlet part toward the impeller accommodating space; an impeller rotatably provided in the impeller accommodating space; and a rotor provided in the rotor accommodating space of the lower casing and coupled to the impeller. A fluid may smoothly flow toward an introduction side of the impeller, and thus, a pressure drop of the fluid and an unstable flow of the fluid may be prevented to improve performance.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: January 30, 2024
    Assignee: COAVIS
    Inventors: Wan Sung Pae, Hyun Tae Lee, Joon Seup Kim
  • Publication number: 20230361505
    Abstract: A power supply device of a motor-driven child seat for a vehicle is provided. The motor-driven child seat can be easily mounted and fixed to a rear seat by adopting a method where a latch of the motor-driven child seat is fastened to an anchor of the rear seat, and power can be easily supplied to power consuming components, i.e., an electric mechanism including a motor, a ventilation system, and a heating system, by automatically fastening male-female connectors for supplying power, especially when the motor-driven child seat is fixedly mounted on the rear seat.
    Type: Application
    Filed: December 19, 2022
    Publication date: November 9, 2023
    Inventors: Byeong Seon Son, Tae Hoon Lee, Seung Hyun Kim, Ji Hwan Kim, Sang Hoon Park, Sang Ho Kim, Seon Chae Na, Hyun Tae Lee, Won Ho Chang, Jeong In Baek, In Ju Lee
  • Publication number: 20230294574
    Abstract: A system and method for controlling a motor-driven child seat for a vehicle, may easily allow a seat control unit to perform the power supply and drive control for various electric parts of the motor-driven child seat by connecting between the seat control unit configured to control various electric parts of a vehicle seat and various electric parts of the motor-driven child seat using a connector so that power supply and control signals may be exchanged therebetween when the motor-driven child seat is mounted on the vehicle seat.
    Type: Application
    Filed: December 15, 2022
    Publication date: September 21, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Byeong Seon SON, Tae Hoon LEE, Ji Hwan KIM, Seon Chae NA, Sang Ho KIM, Sang Hoon PARK, Won Ho CHANG, Hyun Tae LEE