Patents by Inventor Tae-Hyung KOO

Tae-Hyung KOO 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: 12068334
    Abstract: According to some embodiments of the present disclosure, a display device includes an active pattern including a metal oxide, a gate electrode overlapping the active pattern, a first capacitor electrode spaced apart from the active pattern and including a conductive oxide, and a second capacitor electrode on the first capacitor electrode.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: August 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Jin Jeon, Eok Su Kim, Joon Seok Park, So Young Koo, Tae Sang Kim, Jun Hyung Lim
  • Patent number: 11110936
    Abstract: In a hybrid vehicle, a hybrid type lubrication control valve which is a solenoid valve type turned on/off by electricity is used as a lubrication system component for circulating lubricating oil to a transmission and an engine clutch. A method includes measuring, by an engine clutch pressure sensor, first engine clutch engagement pressure in an off-state of the independent type lubrication control valve and second engine clutch engagement pressure in an on-state thereof; and determining, by the TCU, whether or not the independent type lubrication control valve is stuck, on the basis of a pressure difference between the first engine clutch engagement pressure and the second engine clutch engagement pressure. The method can diagnose a stuck state of the hybrid type lubrication control valve using hydraulic pressure for operating engine clutch engagement, before starting the vehicle.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: September 7, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Young Jun Lee, Woul Sun Choi, Ho Sun Jang, Tae Hyung Koo
  • Publication number: 20200180655
    Abstract: In a hybrid vehicle, a hybrid type lubrication control valve which is a solenoid valve type turned on/off by electricity is used as a lubrication system component for circulating lubricating oil to a transmission and an engine clutch. A method includes measuring, by an engine clutch pressure sensor, first engine clutch engagement pressure in an off-state of the independent type lubrication control valve and second engine clutch engagement pressure in an on-state thereof; and determining, by the TCU, whether or not the independent type lubrication control valve is stuck, on the basis of a pressure difference between the first engine clutch engagement pressure and the second engine clutch engagement pressure. The method can diagnose a stuck state of the hybrid type lubrication control valve using hydraulic pressure for operating engine clutch engagement, before starting the vehicle.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 11, 2020
    Inventors: Young Jun LEE, Woul Sun CHOI, Ho Sun JANG, Tae Hyung KOO
  • Publication number: 20200182110
    Abstract: In a hybrid vehicle, a hybrid type lubrication control valve which is a solenoid valve type turned on/off by electricity is used as a lubrication system component for circulating lubricating oil to a transmission and an engine clutch. A method for diagnosing sticking of a lubrication control valve of a hybrid vehicle includes measuring a drag torque acting on an input shaft of the transmission through an output shaft of the motor by measuring a first drag torque in an off-state of the independent type lubrication control valve and a second drag torque in an on-state thereof; and determining whether or not the independent type lubrication control valve is stuck, on the basis of a torque difference between the first drag torque and the second drag torque. The method can diagnose a stuck state of the hybrid type lubrication control valve using motor speed control, before starting the vehicle.
    Type: Application
    Filed: May 2, 2019
    Publication date: June 11, 2020
    Inventors: Young Jun LEE, Woul Sun CHOI, Ho Sun JANG, Tae Hyung KOO
  • Patent number: 10612482
    Abstract: A method for controlling stabilization of an exhaust gas recirculation (EGR) gas supply may include executing an intake detector condensation stuck resolving mode including, when output abnormality of an intake detector provided at an intake manifold and a variation amount of an EGR rate of an EGR system are detected by a controller while the EGR system is operated, stopping an operation of an EGR valve of the EGR system and then re-operating the EGR valve to resolve abnormality of the intake detector, which is caused by condensation of the EGR gas which is supplied to the intake manifold.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: April 7, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Tae-Hyung Koo, Neung-Seop Oh
  • Publication number: 20190032587
    Abstract: A method for controlling stabilization of an exhaust gas recirculation (EGR) gas supply may include executing an intake detector condensation stuck resolving mode including, when output abnormality of an intake detector provided at an intake manifold and a variation amount of an EGR rate of an EGR system are detected by a controller while the EGR system is operated, stopping an operation of an EGR valve of the EGR system and then re-operating the EGR valve to resolve abnormality of the intake detector, which is caused by condensation of the EGR gas which is supplied to the intake manifold.
    Type: Application
    Filed: December 29, 2017
    Publication date: January 31, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Tae-Hyung KOO, Neung-Seop OH