Patents by Inventor Kyung-Min KO

Kyung-Min KO 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: 11956997
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Patent number: 11939008
    Abstract: A steer-by-wire type power steering apparatus according to embodiments disclosed herein includes a cylinder provided inside a housing and including a first spline on an inner circumferential surface thereof, and a sliding bar inserted into the cylinder and including a second spline engaged with the first spline and a screw connected to a motor, so that friction and noise can be reduced when a sliding bar connected to a tie rod so as to steer a wheel is slid, the durability and strength of the sliding bar can be improved, and the position of the sliding bar can be determined based on a phase difference between the rotation information items of respective motors.
    Type: Grant
    Filed: April 21, 2019
    Date of Patent: March 26, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Kyung Min Ko, Jung Sik Park
  • Publication number: 20240034392
    Abstract: According to embodiments of the present invention, engine power consumption can be prevented, the number of components can be reduced, vehicle control functions such as automatic parking, lane keeping, driving assistance according to road surface conditions, steering vibration reduction, and autonomous driving control can be used and thus a driver's convenience can be increased, and stability can be enhanced by providing two motor-reducer structures.
    Type: Application
    Filed: May 8, 2020
    Publication date: February 1, 2024
    Inventors: Kyung Min KO, Sang Hee AHN, Jung Sik PARK
  • Patent number: 11767052
    Abstract: According to embodiments, it is possible to prevent vibration and gaps in a coupling structure between rotation shafts, thus allowing for reduction in noise, enhanced responsiveness, accurate steering, and a better straight driving performance.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: September 26, 2023
    Assignee: HL MANDO CORPORATION
    Inventor: Kyung Min Ko
  • Publication number: 20230085431
    Abstract: An electric power steering apparatus according to the present embodiments comprises an input shaft connected to an steering shaft, a first output shaft coupled to the input shaft, a first gear provided at one end of the first output shaft, a second gear meshed with the first gear, a second output shaft provided with the second gear at one end and having an outer screw groove formed on an outer circumferential surface of a position spaced apart from the second gear in an axial direction and rotating in conjunction with the second gear, and a sliding member having an inner screw groove corresponding to the outer screw groove formed on an inner circumferential surface thereof, coupled to the second output shaft via a ball, and sliding in an axial direction to operate a link connected to vehicle wheels.
    Type: Application
    Filed: September 13, 2022
    Publication date: March 16, 2023
    Inventors: Sang Hee AHN, Kyung Min KO
  • Publication number: 20230052990
    Abstract: An electric power steering apparatus according to the embodiments of the present disclosure may comprise a ball screw having an outer screw groove formed on its outer circumferential surface, a ball nut having a gear portion formed on one side of the outer circumferential surface and an inner screw groove corresponding to the outer screw groove formed on the inner circumferential surface, coupled to the ball screw through a ball and sliding in the axial direction, a sector shaft having a shaft gear coupled to the gear portion of the ball nut on an outer circumferential surface and rotating when the ball nut slides in an axial direction, and a sliding support member coupled to the outer circumferential surface of the ball nut, supported on an inner circumferential surface of a housing, and axially slid together with the ball nut.
    Type: Application
    Filed: August 5, 2022
    Publication date: February 16, 2023
    Applicant: Mando Corporation
    Inventors: Kyung Min KO, Hyoung Woo KIM
  • Publication number: 20230045603
    Abstract: Embodiments of the present disclosure may provide an electric power steering apparatus that controls the vehicle regardless of the driver's will to steer, even in the case of a truck or a bus requiring a relatively large steering force compared to a passenger car. Embodiments of the present disclosure may provide an electric power steering apparatus that can increase the convenience of the driver by enabling additional functions such as automatic parking, lane maintenance, driving assistance according to road surface conditions, and autonomous driving control to be used. Embodiments of the present disclosure may provide an electric power steering apparatus in which steering is stably performed even if one motor malfunctions or is damaged.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 9, 2023
    Inventors: Kyung Min KO, Sang Hee AHN
  • Publication number: 20220410963
    Abstract: The present embodiments may provide a steer-by-wire steering apparatus which enables a driver to use a function for controlling an automobile, such as automatic parking, lane keeping, driving assistance according to a road surface condition, steering-vibration damping, or autonomous driving control, to improve the driver's convenience, and allows removal of hydraulic pressure-related components to prevent consumption of engine power by the components and thus can satisfy the high power and rigidity required for a steering device of a commercial vehicle.
    Type: Application
    Filed: October 23, 2020
    Publication date: December 29, 2022
    Inventors: Kyung Min KO, Sang Hee AHN
  • Publication number: 20220258791
    Abstract: The present discrete relate to an automobile steering apparatus and, more specifically, to an automobile steering apparatus that is capable of preventing or reducing the consumption of engine power and reducing the number of components, and further capable of enhancing convenience for drivers by using functions for controlling the automobile, such as automatic parking, lane keeping, driving assistance according to road conditions, steering vibration attenuation, autonomous driving control, and the like, and in turn, is advantageous to the strength of worm wheels by causing pressure applied thereto to be distributed and provides drivers with enhanced steering feel.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 18, 2022
    Inventors: Byung Wook YOO, Jung Sik PARK, Kyung Min KO, Sang Hee AHN
  • Publication number: 20220190131
    Abstract: A nonvolatile memory device includes a peripheral logic structure including a peripheral circuit on a substrate, a horizontal semiconductor layer extending along an upper surface of the peripheral logic structure, stacked structures arranged in a first direction on the horizontal semiconductor layer and including interlayer insulating films and conductive films alternately stacked in a direction perpendicular to the substrate, a first opening disposed between the stacked structures and included in the horizontal semiconductor layer to expose a part of the peripheral logic structure and a second opening arranged in a second direction, which differs from the first direction, from the first opening, included in the horizontal semiconductor layer, and disposed adjacent to the first opening. The peripheral logic structure includes a control transistor overlapping the second opening in a plan view and controlling operation of the plurality of stacked structures.
    Type: Application
    Filed: August 23, 2021
    Publication date: June 16, 2022
    Inventors: Kyung Min KO, Myung Hun LEE, Pan Suk KWAK, Dae Seok BYEON
  • Publication number: 20220032992
    Abstract: According to embodiments, it is possible to prevent vibration and gaps in a coupling structure between rotation shafts, thus allowing for reduction in noise, enhanced responsiveness, accurate steering, and a better straight driving performance.
    Type: Application
    Filed: July 28, 2021
    Publication date: February 3, 2022
    Inventor: Kyung Min KO
  • Publication number: 20210261188
    Abstract: An electronic power steering apparatus, according to one embodiment of the present invention, comprises: an output shaft rotated by means of a reduction gear connected to a driving motor; a ball screw having an upper end coupled to a lower end of the output shaft, and having outer circumferential screw grooves formed on an outer circumferential surface thereof to rotate in conjunction with the output shaft; a ball nut having gear teeth formed on an outer circumferential surface thereof and inner circumferential screw grooves corresponding to the outer circumferential screw grooves formed on an inner circumferential surface thereof, the ball nut being coupled to the ball screw via a ball and sliding in an axial direction; and a sector shaft, coupled to the gear teeth of the ball nut, for operating a pitman arm while rotating during the axial sliding of the ball nut.
    Type: Application
    Filed: June 25, 2019
    Publication date: August 26, 2021
    Inventors: Kyung Min KO, Jung Sik PARK, Sang Hee AHN
  • Publication number: 20190329816
    Abstract: A steer-by-wire type power steering apparatus according to embodiments disclosed herein includes a cylinder provided inside a housing and including a first spline on an inner circumferential surface thereof, and a sliding bar inserted into the cylinder and including a second spline engaged with the first spline and a screw connected to a motor, so that friction and noise can be reduced when a sliding bar connected to a tie rod so as to steer a wheel is slid, the durability and strength of the sliding bar can be improved, and the position of the sliding bar can be determined based on a phase difference between the rotation information items of respective motors.
    Type: Application
    Filed: April 21, 2019
    Publication date: October 31, 2019
    Inventors: Kyung Min KO, Jung Sik Park
  • Patent number: 9887442
    Abstract: An RF filter, e.g. RF cavity filter for adjusting coupling amount or transmission zero is disclosed. The RF filter includes a housing member in which cavities are defined by walls, resonators located in the cavities, a cover combined with an upper surface of the housing member, a first tuning element inserted into a first cavity of the cavities through the cover, and a second tuning element inserted into a second cavity of the cavities through the cover. Here, the first tuning element and the second tuning element are connected electrically.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: February 6, 2018
    Assignee: ACE TECHNOLOGIES CORPORATION
    Inventors: Dong-Yeon Lim, Guy-Yoil Yi, Kyung-Min Ko, Bong-Hoon Kim
  • Patent number: 9469334
    Abstract: Disclosed are a reducer and an electric power steering apparatus having the same. According to the present invention, an input shaft, a driving shaft, and a pinion shaft are coaxially arranged. Thus, a conventional configuration, in which a motor inevitably protrudes, can be improved to prevent the motor from interfering with the other structures. Therefore, a layout configuration in an apparatus can be compactly formed.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: October 18, 2016
    Assignee: MANDO CORPORATION
    Inventors: Kyung Min Ko, Jung Sik Park, Seong Ho Choi
  • Patent number: 9334928
    Abstract: The present invention relates to a planetary gear apparatus. According to embodiments of the present invention, a distance between input and output planetary gears that are coupled to a connecting shaft provided with a resilient support member can be prevented from being reduced by more than a predetermined distance, thereby preventing loose feel caused by an axial movement of the planetary gears by a distance which the resilient support member is extended or compressed.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: May 10, 2016
    Assignee: MANDO CORPORATION
    Inventors: Kyung Min Ko, Jung Sik Park, Kwang Seok Hong
  • Publication number: 20150244050
    Abstract: An RF filter, e.g. RF cavity filter for adjusting coupling amount or transmission zero is disclosed. The RF filter includes a housing member in which cavities are defined by walls, resonators located in the cavities, a cover combined with an upper surface of the housing member, a first tuning element inserted into a first cavity of the cavities through the cover, and a second tuning element inserted into a second cavity of the cavities through the cover. Here, the first tuning element and the second tuning element are connected electrically.
    Type: Application
    Filed: May 11, 2015
    Publication date: August 27, 2015
    Inventors: Dong-Yeon LIM, Guy-Yoil YI, Kyung-Min KO, Bong-Hoon KIM
  • Publication number: 20150159734
    Abstract: The present invention relates to a planetary gear apparatus. According to embodiments of the present invention, a distance between input and output planetary gears that are coupled to a connecting shaft provided with a resilient support member can be prevented from being reduced by more than a predetermined distance, thereby preventing loose feel caused by an axial movement of the planetary gears by a distance which the resilient support member is extended or compressed.
    Type: Application
    Filed: June 19, 2014
    Publication date: June 11, 2015
    Inventors: Kyung Min KO, Jung Sik PARK, Kwang Seok HONG
  • Publication number: 20140305731
    Abstract: Disclosed are a reducer and an electric power steering apparatus having the same. According to the present invention, an input shaft, a driving shaft, and a pinion shaft are coaxially arranged. Thus, a conventional configuration, in which a motor inevitably protrudes, can be improved to prevent the motor from interfering with the other structures. Therefore, a layout configuration in an apparatus can be compactly formed.
    Type: Application
    Filed: April 8, 2014
    Publication date: October 16, 2014
    Applicant: MANDO CORPORATION
    Inventors: Kyung Min KO, Jung Sik PARK, Seong Ho CHOI
  • Publication number: 20120249266
    Abstract: An RF filter, e.g. RF cavity filter for adjusting coupling amount or transmission zero is disclosed. The RF filter includes a housing member in which cavities are defined by walls, resonators located in the cavities, a cover combined with an upper surface of the housing member, a first tuning element inserted into a first cavity of the cavities through the cover, and a second tuning element inserted into a second cavity of the cavities through the cover. Here, the first tuning element and the second tuning element are connected electrically.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 4, 2012
    Applicant: ACE TECHNOLOGIES CORPORATION
    Inventors: Dong-Yeon Lim, Guy-Yoil YI, Kyung-Min KO, Bong-Hoon KIM