Patents by Inventor Jooyaung EOM

Jooyaung EOM 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: 12733496
    Abstract: Provided is a semiconductor device. A semiconductor device is implemented as a semiconductor module package for driving an inverter, the semiconductor device may include: a first upper metal layer in which a plurality of semiconductor chips implementing a right phase switching pattern are disposed along a first direction to form a first row; a second upper metal layer in which a plurality of semiconductor chips implementing a left phase switching pattern are disposed along the first direction to form a second row; a first connection, in the first upper metal layer, connecting a plurality of semiconductor chips disposed along the first row to each other in series and to the second upper metal layer in parallel; and a second connection, in the second upper metal layer, connecting a plurality of semiconductor chips disposed along the second row to each other in series.
    Type: Grant
    Filed: December 26, 2023
    Date of Patent: September 8, 2026
    Assignee: POWER MASTER SEMICONDUCTOR CO., LTD.
    Inventors: Taekkeun Lee, In-Suk Kim, Ki-Myung Yoon, Jooyaung Eom, Soonho Kwon
  • Publication number: 20250233032
    Abstract: Provided is a double-sided cooling semiconductor device. The device includes: a board; a semiconductor chip disposed on the board; an external connection frame disposed on the semiconductor chip; a spacer disposed on the external connection frame; and a molding part filling a space between the board and the spacer, wherein a lower surface of the board is exposed to the outside through a lower surface of the molding part, and an upper surface of the spacer is exposed to the outside through an upper surface of the molding part.
    Type: Application
    Filed: December 8, 2022
    Publication date: July 17, 2025
    Inventors: Ki-Myung YOON, In-Suk KIM, Jooyaung EOM
  • Publication number: 20240387313
    Abstract: Provided are a dual cooling semiconductor device and a dual cooling semiconductor system. The dual cooling semiconductor device includes: a first cooling structure and a second cooling structure each including a thermally conductive electrical insulation layer; a first internal metal plate formed on an upper surface of the second cooling structure; a second internal metal plate formed on a lower surface of the first cooling structure; a third internal metal plate formed on the first internal metal plate and supporting a semiconductor chip; a metal block formed on the semiconductor chip; and a fourth internal metal plate formed below the second internal metal plate and having a metal block insertion hole into which the metal block is inserted.
    Type: Application
    Filed: September 14, 2022
    Publication date: November 21, 2024
    Inventors: Ki-Myung YOON, In-Suk KIM, Jooyaung EOM
  • Publication number: 20240290759
    Abstract: Provided is a semiconductor device. A semiconductor device is implemented as a semiconductor module package for driving an inverter, the semiconductor device may include: a first upper metal layer in which a plurality of first semiconductor chips implementing a switching pattern of a low voltage phase are disposed along a first row in a first direction; a first connection connecting the plurality of first semiconductor chips in series and extending to a second upper metal layer; and a first lead frame providing power to the semiconductor device from an external source through the second upper metal layer, wherein, in the second upper metal layer, a first vertically extending leg portion and a second vertically extending leg portion of the first lead frame forming a fork shape are disposed, and the first connection is disposed between the first vertically extending leg portion and the second vertically extending leg portion.
    Type: Application
    Filed: February 21, 2024
    Publication date: August 29, 2024
    Inventors: Taekkeun LEE, In-Suk KIM, Ki-Myung YOON, Jooyaung EOM, Soonho KWON
  • Publication number: 20240222255
    Abstract: Provided is a semiconductor device. A semiconductor device may include: an insulated substrate whose upper surface is exposed to an outside of a molding portion; a semiconductor chip formed on a lower surface of the insulated substrate; a drain connection lead, one part of which forming a junction extending along a first direction or a second direction perpendicular to the first direction on the lower surface of the insulated substrate, and the other part of which forming a terminal that can be connected to an external device; and a source connection lead, one part of which forming an electrical connection with the semiconductor chip through a connection, and the other part of which forming a terminal that can be connected to an external device.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 4, 2024
    Inventors: Jooyaung EOM, In-Suk KIM, Ki-Myung YOON, Taekkeun LEE, Soonho KWON
  • Publication number: 20240213208
    Abstract: Provided is a semiconductor device. A semiconductor device is implemented as a semiconductor module package for driving an inverter, the semiconductor device may include: a first upper metal layer in which a plurality of semiconductor chips implementing a right phase switching pattern are disposed along a first direction to form a first row; a second upper metal layer in which a plurality of semiconductor chips implementing a left phase switching pattern are disposed along the first direction to form a second row; a first connection, in the first upper metal layer, connecting a plurality of semiconductor chips disposed along the first row to each other in series and to the second upper metal layer in parallel; and a second connection, in the second upper metal layer, connecting a plurality of semiconductor chips disposed along the second row to each other in series.
    Type: Application
    Filed: December 26, 2023
    Publication date: June 27, 2024
    Inventors: Taekkeun LEE, In-Suk KIM, Ki-Myung YOON, Jooyaung EOM, Soonho KWON
  • Publication number: 20240213126
    Abstract: A semiconductor device is provided. The semiconductor device may include a heat dissipation pad that is formed such that the upper surface is exposed to the outside of a molding portion, a first lead frame that is formed on the left side of the heat dissipation pad so as to be spaced apart from the heat dissipation pad and includes a first portion extending in an upward and downward direction and a second portion protruding in a right direction, second lead frames that are formed on the right side of the heat dissipation pad, a first connection part that is formed so as to be connected to both of the lower surface of the heat dissipation pad and the lower surface of the second portion of the first lead frame, a semiconductor chip that is formed on the lower surface of the heat dissipation pad, and a second connection part that connects the semiconductor chip and the second lead frames.
    Type: Application
    Filed: December 19, 2023
    Publication date: June 27, 2024
    Inventors: Jooyaung EOM, In-Suk KIM, Ki-Myung YOON, Taekkeun LEE, Soonho KWON
  • Publication number: 20240014106
    Abstract: Provided is a semiconductor device. A semiconductor device may include: a substrate formed to extend along a first direction; a first semiconductor chip formed on the substrate; a second semiconductor chip formed on the substrate at a predetermined distance from the first semiconductor chip along the first direction; a first lead frame extending outwardly beyond the substrate along the first direction, the first lead frame having a lower surface connected to upper surfaces of each of the first semiconductor chip and the second semiconductor chip; and a heat sink formed at a position corresponding to the first semiconductor chip and the second semiconductor chip on the first lead frame, wherein the first lead frame includes a first groove region formed between a region on the lower surface connected to the upper surface of the first semiconductor chip and a region on the lower surface connected to the upper surface of the second semiconductor chip.
    Type: Application
    Filed: July 5, 2023
    Publication date: January 11, 2024
    Inventors: Jooyaung EOM, Ki-Myung YOON, Taekkeun LEE, Soonho KWON