Patents by Inventor Hyun Koo Lee

Hyun Koo 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: 20240123835
    Abstract: A power module for a vehicle includes: a circuit board provided with a first metallic layer; a first switching portion disposed on a center portion of the circuit board, and including a plurality of semiconductor chips; a second switching portion disposed on the outside the first switching portion on the circuit board and including a plurality of semiconductor chips; a third switching portion disposed on the outside the first switching portion on the circuit board; a lead frame disposed on one side of the circuit board; and a signal lead disposed on the other side of the circuit board.
    Type: Application
    Filed: April 13, 2023
    Publication date: April 18, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Myung Ill YOU, Hyun Koo LEE
  • Patent number: 11935814
    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: Grant
    Filed: August 20, 2021
    Date of Patent: March 19, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hyun Koo Lee, Jun Hee Park, Sang Cheol Shin, Kang Ho Jeong
  • Publication number: 20240066515
    Abstract: An organic-inorganic composite catalyst wherein the organic-inorganic composite catalyst includes a porous carbonaceous particle, a first compound; and a metal oxide particle, wherein the first compound and the metal oxide particle are supported on the porous carbonaceous particle, the first compound contains a polar functional group, an anion, or a combination thereof, the metal oxide is represented by the formula MaOb, wherein 0<a?4, 0<b?5, and M is a metal of Groups 2 to 16 of the Periodic Table of Elements, or a combination thereof, and the organic-inorganic composite catalyst is configured to remove a second compound from an unpurified air flow including the second compound.
    Type: Application
    Filed: August 16, 2023
    Publication date: February 29, 2024
    Inventors: Sukeun Kuk, Taehun Yeon, Hyun Chul Lee, Minseok Koo, Hyukjae Kwon, Dongsik Yang, Sehyeong Oh, Sangmin Ji, Hyeonsu Heo
  • Publication number: 20240048082
    Abstract: A power module may include: a positive terminal connected to a positive pole of a battery; a negative terminal connected to a negative pole of the battery; an output terminal connected to a winding among multiple windings included in a motor; a changeover terminal connected to a neutral point regarding the multiple windings; a top switch connected between the positive terminal and the output terminal; a bottom switch connected between the negative terminal and the output terminal; and a changeover switch connected to the changeover terminal and configured to form a common node with at least one of the top switch or the bottom switch.
    Type: Application
    Filed: January 20, 2023
    Publication date: February 8, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hyun Koo LEE, Myung Ill YOU
  • Patent number: 11862537
    Abstract: A soldering structure configured for preventing solder overflow during soldering and a power module, may include a component to be soldered; and a metal layer having a bonding area, to which the component to be soldered is bonded by solder, and a groove portion formed around the bonding area.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: January 2, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jun Hee Park, Nam Sik Kong, Hyun Koo Lee
  • Publication number: 20230412106
    Abstract: An embodiment is power module including a plurality of first switching elements of a first type semiconductor on a first substrate, a plurality of second switching elements of a second type semiconductor and a third switching element of the first type semiconductor or the second type semiconductor on a second substrate, wherein the first substrate has a different thermal conductivity than the second substrate, and a connection spacer configured to electrically connect the first substrate and the second substrate.
    Type: Application
    Filed: November 11, 2022
    Publication date: December 21, 2023
    Inventors: Myung Ill You, Hyun Koo Lee
  • Publication number: 20230402951
    Abstract: A motor driving apparatus includes a motor including windings respectively corresponding to a plurality of phases, a first inverter including at least one first power module and providing an AC voltage corresponding to each of the phases to one end of the windings, a second inverter including a plurality of second power modules each including a changeover switch and providing the AC voltage corresponding to each of the phases to the other end of the windings based on information indicating whether the changeover switch is turned on, and a controller connected to the changeover switch and configured to control whether the changeover switch is turned on according to a motor driving mode, wherein each of the second power modules has a changeover terminal to which a first end of the changeover switch is connected, and the changeover terminals of the plurality of second power modules are short-circuited to each other.
    Type: Application
    Filed: November 11, 2022
    Publication date: December 14, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hyun Koo LEE, Myung Ill YOU
  • Publication number: 20230369195
    Abstract: Disclosed are a power module and a method for manufacturing the same. A power module according to an embodiment of the present disclosure includes: a first substrate; a second substrate disposed spaced apart from the first substrate and including at least one metal layer; at least one chip disposed between the first substrate and the second substrate and in electrical contact with the metal layer; and a third substrate configured to be disposed spaced apart from the first substrate and the second substrate, electrically connect the chip and at least one external input terminal, include one or more conductive patterns each of which is connected to one of the at least one lead frame, and be formed in a multi-layer structure such that the one or more conductive patterns are not short-circuited to each other.
    Type: Application
    Filed: September 20, 2022
    Publication date: November 16, 2023
    Inventors: Hyeon Uk Kim, Hyun Koo Lee, Jun Hee Park
  • Publication number: 20230358612
    Abstract: An apparatus for inspecting a display panel includes a light source, a half mirror reflecting a first beam which is a portion of a source beam irradiated from the light source and transmitting a second beam which is another portion of the source beam toward a display panel, a reflective mirror reflecting the second beam transmitting the half mirror and the display panel to return to the half mirror, a panel supporter supporting the display panel between the half mirror and the reflective mirror, a wave plate disposed between the half mirror and the reflective mirror and transmitting the second beam, a rotator rotating the wave plate at a predetermined angle and an imaging detector photographing an interference fringe by the first beam and the second beam.
    Type: Application
    Filed: February 3, 2023
    Publication date: November 9, 2023
    Inventors: JOOYOUNG YOON, YUNSEOK HAN, DOWON YI, JOO-YOUNG LEE, HYUN-KOO LEE
  • Publication number: 20230217947
    Abstract: The present disclosure relates to a method for producing fermented green coffee beans and fermented green coffee beans produced thereby, the method including: (A) a step of freezing green coffee beans at ?10 to ?25° C.; (B) a step of immersing the frozen green coffee beans in water for 3 to 10 hours; (C) a step of taking out the green coffee beans immersed in the water, removing the water and leaving the beans to stand for 5 to 15 hours while supplying air at 20 to 30° C.; (D) a step of sterilizing the green coffee beans and then inoculating the same with a strain to anaerobically ferment the same; and (E) a step of sterilizing and then drying the anaerobically fermented green coffee beans. When the fermented green coffee beans are roasted into coffee beans, aroma and taste may be improved and odor may be removed.
    Type: Application
    Filed: June 2, 2021
    Publication date: July 13, 2023
    Applicant: BIOLIV Co., Ltd.
    Inventors: Hyun Koo LEE, Sung Eun LEE
  • Publication number: 20230197590
    Abstract: A power module and a manufacturing method includes a chip; an upper substrate provided above the chip and formed with a circuit pattern; a lower substrate provided below the chip and formed with a circuit pattern; and a spacer including a plurality of metal portions electrically connecting at least two among the chip, the upper substrate and the lower substrate to transmit an electrical signal, and an insulating portion positioned between the plurality of metal portions and insulating the metal portions.
    Type: Application
    Filed: July 20, 2022
    Publication date: June 22, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hyeon Uk KIM, Myung Ill YOU, Hyun Koo LEE, Jun Hee PARK
  • Publication number: 20220415746
    Abstract: A power module that includes a semiconductor chip configured to generate heat, a metal layer electrically connected to the semiconductor chip to allow current to flow therethrough, a cooling channel facing the metal layer for dissipating heat out of the semiconductor chip, and a resin layer interposed between the metal layer and the cooling channel and integrally formed in an internal space of the power module.
    Type: Application
    Filed: April 25, 2022
    Publication date: December 29, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hyeon Uk KIM, Hyun Koo LEE, Sung Won PARK
  • Patent number: 11373924
    Abstract: Disclosed is a power module capable of maximizing heat dissipation performance through application of a thick lead frame and a ceramic coating layer to upper and lower sides of a semiconductor device.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: June 28, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jun Hee Park, Hyun Koo Lee
  • 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: 20220044988
    Abstract: A soldering structure configured for preventing solder overflow during soldering and a power module, may include a component to be soldered; and a metal layer having a bonding area, to which the component to be soldered is bonded by solder, and a groove portion formed around the bonding area.
    Type: Application
    Filed: July 13, 2021
    Publication date: February 10, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Jun Hee PARK, Nam Sik KONG, Hyun Koo LEE
  • Patent number: 11227845
    Abstract: A power module includes a substrate having a dielectric layer, a first power semiconductor device disposed on an upper part of the substrate, and a second power semiconductor device disposed on a lower part of the substrate.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: January 18, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Koo Lee, Sung Won Park, Jun Hee Park, Hyeon Uk Kim
  • Publication number: 20210183795
    Abstract: A power module includes a substrate having a dielectric layer, a first power semiconductor device disposed on an upper part of the substrate, and a second power semiconductor device disposed on a lower part of the substrate.
    Type: Application
    Filed: August 12, 2020
    Publication date: June 17, 2021
    Inventors: Hyun Koo Lee, Sung Won Park, Jun Hee Park, Hyeon Uk Kim
  • Patent number: 11031314
    Abstract: A spacer structure, which connects an insulating substrate and a semiconductor chip of a double-sided-cooled power module, includes: a conductive material layer which is composed of a composite material; an underlying plating layer disposed on the conductive material layer; and a copper plating layer disposed on the underlying plating layer, in which the copper plating layer is in contact with a joining material that joins the spacer to the semiconductor chip and the insulating substrate.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: June 8, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sung-Won Park, Hyeon-Uk Kim, Tae-Hwa Kim, Jun-Hee Park, Hyun-Koo Lee
  • Patent number: 10904517
    Abstract: A display panel including: a display unit configured to provide a first image to one of a left eyeball and a right eyeball of a user and to provide a second image having the same tone as a tone of the first image to the other one of the left eyeball and the right eyeball of the user; a brightness correcting unit configured to generate second image data corresponding to the second image by using first image data corresponding to the first image; and a data driver configured to generate a first data signal based on the first image data, to generate a second data signal based on the second image data, and to provide the first and second data signals to the display unit, and the first image and the second image are displayed with different brightnesses during at least a part of an image display period.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Koo Lee, Soo Young Kim, Min Tak Lee, Kyu Seok Kim, Young Nam Yun, Si Beak Pyo
  • Publication number: 20200357720
    Abstract: A spacer structure, which connects an insulating substrate and a semiconductor chip of a double-sided-cooled power module, includes: a conductive material layer which is composed of a composite material; an underlying plating layer disposed on the conductive material layer; and a copper plating layer disposed on the underlying plating layer, in which the copper plating layer is in contact with a joining material that joins the spacer to the semiconductor chip and the insulating substrate.
    Type: Application
    Filed: November 26, 2019
    Publication date: November 12, 2020
    Inventors: Sung-Won PARK, Hyeon-Uk KIM, Tae-Hwa KIM, Jun-Hee PARK, Hyun-Koo LEE