Patents by Inventor Kang Ho Jeong

Kang Ho Jeong 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: 11658193
    Abstract: An image sensor including: a first photodiode; a first circuit including an overflow transistor and a first transfer transistor connected to the first photodiode, a switch element connected to the first transfer transistor and a capacitor disposed between the first transfer transistor and the switch element, wherein the capacitor is a physical capacitor; a second photodiode; and a second circuit including a second transfer transistor connected to the second photodiode, a reset transistor connected to an output of the first circuit and a driving transistor connected to the second transfer transistor and the output of the first circuit.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang Sun Lee, Seung Ho Shin, Hyung Jin Bae, Jin Ho Seo, Ji Hun Shin, Moo Sup Lim, Young Tae Jang, Young Kyun Jeong
  • Publication number: 20230115925
    Abstract: A motor driving apparatus includes: a first inverter including: a plurality of first switching elements and connected to a first end of each of the windings; a second inverter including: a plurality of second switching elements and connected to a second end of each of the windings; and a controller configured to control a switching state of the plurality of first switching elements and the plurality of second switching elements based on a driving mode of the motor in one sampling period.
    Type: Application
    Filed: May 31, 2022
    Publication date: April 13, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Young Seul LIM, Kang Ho JEONG, Jae Hoon SIM, Jung Ik HA
  • Publication number: 20230073159
    Abstract: An apparatus configured for driving a motor, includes a first inverter including a first switching elements and connected to a first end of each of a windings respectively corresponding to a plurality of phases of the motor, a second inverter including a second switching elements and connected to a second end of each of the windings, a switches including first ends respectively connected to nodes to which the windings and the second switching elements are respectively connected and second ends connected to each other, and a controller configured to drive the motor in one of a first driving mode for driving the motor by maintaining the second switching elements in an open state and performing pulse width modulation control for the first switching elements and a second driving mode for driving the motor by performing pulse width modulation control for the first switching elements and the second switching elements.
    Type: Application
    Filed: July 11, 2022
    Publication date: March 9, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Yong Jae LEE, Kang Ho JEONG, Young Seul LIM, Jae Hoon SHIM, Jung Ik HA
  • Publication number: 20230029229
    Abstract: A motor driving apparatus which drives a motor including a plurality of windings corresponding to a plurality of phases, respectively, includes: a first inverter including a plurality of first switching elements and connected to a first end of each of the windings; a second inverter including a plurality of second switching elements and connected to a second end of each of the windings; and a controller obtaining a vector corresponding to a voltage command of the motor by combining switching vectors which cause difference between a common mode voltage of the first inverter and a common mode voltage of the second inverter to be zero and configured to control the plurality of first switching elements and the plurality of second switching elements in a pulse width modulation method based on the obtained vector.
    Type: Application
    Filed: June 22, 2022
    Publication date: January 26, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Kang Ho JEONG, Sang Cheol SHIN, Jung Ik HA, Hyeon Gyu CHOI, Jae Hoon SIM
  • Publication number: 20230017022
    Abstract: A system for charging a battery for a vehicle using a motor driving system that operates a motor having a plurality of windings is disclose. The system includes a first inverter having a plurality of first switching elements, a DC terminal connected to the battery, and an AC terminal connected to one terminal of the plurality of windings, a second inverter having a plurality of second switching elements, a DC terminal selectively short-circuited/opened with the DC terminal of the first inverter, and an AC terminal connected to the other terminal of the plurality of windings, and a controller configured to control an electric connection state between the DC terminals of the first inverter and the second inverter and an open/short-circuited state of the first switching elements and the second switching elements.
    Type: Application
    Filed: June 21, 2022
    Publication date: January 19, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Kang Ho JEONG, Myung Ho KIM, Sang Cheol SHIN, Young Seul LIM
  • Publication number: 20220410741
    Abstract: A system for charging a vehicle battery using a motor driving system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control opened/shorted states of the switching elements included in the first inverter and the second inverter and the plurality of transfer switches, so that a DC charging voltage applied to a portion between of the second ends of the plurality of transfer switches and a negative terminal of the battery is supplied to the battery.
    Type: Application
    Filed: May 31, 2022
    Publication date: December 29, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Kang Ho JEONG, Yong Jae LEE, Myung Ho KIM, Sang Cheol SHIN, Young Seul LIM
  • Publication number: 20220416560
    Abstract: A system for charging a vehicle battery using a motor driving system is proposed. The battery charging system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control a connection state between a DC terminal of the first inverter and a DC terminal of the second inverter, and opened/shorted states of the plurality of first switching elements, the plurality of second switching elements, and the plurality of transfer switches.
    Type: Application
    Filed: May 31, 2022
    Publication date: December 29, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Kang Ho JEONG, Myung Ho KIM, Sang Cheol SHIN, Young Seul LIM
  • Publication number: 20220352838
    Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
    Type: Application
    Filed: July 12, 2022
    Publication date: November 3, 2022
    Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
  • Publication number: 20220321048
    Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 6, 2022
    Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
  • Patent number: 11418142
    Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: August 16, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
  • Publication number: 20220199491
    Abstract: A motor drive device includes: a first inverter including a plurality of first switching elements and connected to a plurality of coils; a second inverter including a plurality of second switching elements and connected to the plurality of coils; a plurality of transfer switching elements connected to the second ends; a capacitor disposed at one side of a casing of a motor; first and second cooling channels disposed at both sides of the capacitor; a plurality of first power modules including some of the plurality of first switching elements and some of the transfer switching elements; and a plurality of second power modules including some of the plurality of second switching elements.
    Type: Application
    Filed: August 20, 2021
    Publication date: June 23, 2022
    Inventors: Hyun Koo LEE, Jun Hee PARK, Sang Cheol SHIN, Kang Ho JEONG
  • Publication number: 20220077807
    Abstract: A motor driving device drives a motor having a plurality of windings corresponding to a plurality of phases. The motor driving device includes: a first inverter configured to include a plurality of first switching elements and connected to first stages of the plurality of windings; a second inverter configured to include a plurality of second switching elements and connected to second stages of the plurality of windings; and a controller configured to fix switching states of the second switching elements and switch the first switching elements to compose target voltage vectors if the motor is driven in an open end winding type by operating the first inverter and the second inverter in a space vector pulse width modulation mode.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 10, 2022
    Inventors: Kang Ho Jeong, Sang Cheol Shin, Yong Jae Lee, Jung lk Ha, Hyeon Gyu Choi, Jae Hoon Shim
  • Patent number: 11201535
    Abstract: An apparatus and a method for controlling a switching device for a power converter are provided. The apparatus includes a gate driver configured to apply a first driving voltage and a second driving voltage to the gate terminal based on one turn-on of the switching device, wherein the first driving voltage and the second driving voltage have different values; to turn on the switching device; and a controller configured to control the gate driver such that the gate driver applies the second driving voltage to the gate terminal after the first driving voltage is applied to the gate terminal.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: December 14, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kang Ho Jeong, Ji Woong Jang, Sang Cheol Shin
  • Publication number: 20210305928
    Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
    Type: Application
    Filed: November 2, 2020
    Publication date: September 30, 2021
    Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
  • Patent number: 10962423
    Abstract: A method includes: detecting, by a motor controller, an interlock failure of a connector for connecting between a gate driver and the motor controller, the connector being connected to an inverter for driving a motor in an eco-friendly vehicle; and determining, by the motor controller, that the interlock failure of the connector has occurred when an output value of a signal processor provided in the motor controller so that a sensing signal is inputted from the gate driver through the connector is detected as a value beyond a predetermined normal sensing range.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: March 30, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Gun Soo Kang, Ki Jong Lee, Kang Ho Jeong
  • Publication number: 20210057904
    Abstract: An apparatus for protecting a device of a motor drive inverter includes a plurality of power modules configured to control the multi-phase alternating current supplied to the motor. Each of the plurality of power modules includes a top phase switching device connected to a positive terminal of the battery, a bottom phase switching device connected in series to the top phase switching device and connected to a negative terminal of the battery, and a current interruption unit connected in series to the top phase switching device and the bottom phase switching device, and configured to be disconnected when a current greater than or equal to a desired interrupting current flows thereto, so as to prevent a switching device of a power module from being burned out due to an overcurrent by installing a fuse wire to the power module.
    Type: Application
    Filed: July 15, 2020
    Publication date: February 25, 2021
    Inventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Ki Jong Lee, Kang Ho Jeong
  • Publication number: 20200395837
    Abstract: An apparatus and a method for controlling a switching device for a power converter are provided. The apparatus includes a gate driver configured to apply a first driving voltage and a second driving voltage to the gate terminal based on one turn-on of the switching device, wherein the first driving voltage and the second driving voltage have different values; to turn on the switching device; and a controller configured to control the gate driver such that the gate driver applies the second driving voltage to the gate terminal after the first driving voltage is applied to the gate terminal.
    Type: Application
    Filed: February 11, 2020
    Publication date: December 17, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kang Ho JEONG, Ji Woong JANG, Sang Cheol SHIN
  • Patent number: 10760980
    Abstract: An Insulated Gate Bipolar Transistor (IGBT) temperature sensor correction apparatus includes an Insulated Gate Bipolar Transistor (IGBT); a temperature sensor having a sensing diode; and a process variation sensor having an internal resistor.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: September 1, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ji Woong Jang, Kang Ho Jeong, Ki Jong Lee, Sang Cheol Shin
  • Patent number: 10756718
    Abstract: A gate driving apparatus for a power semiconductor device may include: a first off-resistor and a second off-resistor each having a first end connected to a gate of the power semiconductor device; a first off-switch configured to determine a connection state between a second end of the first off-resistor and a ground based on a gate driving signal for determining an on/off state of the power semiconductor device; a second off-switch configured to determine a connection state between a second end of the second off-resistor and the ground; an electric current detector configured to detect an electric current flowing from a collector (drain) of the power semiconductor device to an emitter (source) of the power semiconductor device; and a controller configured to determine an open/closed state of the second off-switch based on the gate driving signal and a magnitude of the electric current detected by the electric current detector.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: August 25, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ki Jong Lee, Ji Woong Jang, Kang Ho Jeong, Sang Cheol Shin, Han Geun Jang
  • Publication number: 20200127655
    Abstract: A gate driving apparatus for a power semiconductor device may include: a first off-resistor and a second off-resistor each having a first end connected to a gate of the power semiconductor device; a first off-switch configured to determine a connection state between a second end of the first off-resistor and a ground based on a gate driving signal for determining an on/off state of the power semiconductor device; a second off-switch configured to determine a connection state between a second end of the second off-resistor and the ground; an electric current detector configured to detect an electric current flowing from a collector (drain) of the power semiconductor device to an emitter (source) of the power semiconductor device; and a controller configured to determine an open/closed state of the second off-switch based on the gate driving signal and a magnitude of the electric current detected by the electric current detector.
    Type: Application
    Filed: November 26, 2018
    Publication date: April 23, 2020
    Inventors: Ki Jong Lee, Ji Woong Jang, Kang Ho Jeong, Sang Cheol Shin, Han Geun Jang