Patents by Inventor Jae-Hak Lee

Jae-Hak 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).

  • Patent number: 12247315
    Abstract: An apparatus for manufacturing hexagonal crystals using HVPE includes: a reaction tube; a reaction boat disposed on one side in the reaction tube; a halogenation reaction gas supply pipe for supplying a halogenation reaction gas to the reaction boat; a nitrification reaction gas supply pipe for supplying a nitrification reaction gas to the reaction boat; and a heater for heating the reaction tube. The reaction boat includes a source part for receiving source materials; and a crystal growth part disposed beneath the source part and having a depressed growth mold of a predetermined shape. The source part includes: at least one penetration hole formed on a bottom surface; a first allocating area formed around the at least one penetration hole, for receiving aluminum; and a second allocating area formed around the first allocating area, for receiving a main material of the hexagonal crystal and gallium.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: March 11, 2025
    Assignees: LNBS CO. LTD.
    Inventors: Hyung Soo Ahn, Jae Hak Lee, Byunggeun Ahn, Joo Ho Lee
  • Patent number: 12230644
    Abstract: A thin film transistor array panel according to an exemplary embodiment of the invention includes: an insulating substrate; a gate line disposed on the insulating substrate and including a gate pad portion; a data line insulated from and crossing the gate line, and including a source electrode and a data pad portion; a drain electrode facing the source electrode; an organic insulating layer disposed on the data line and the drain electrode, and including a first contact hole; a common electrode disposed on the organic insulating layer, and including a second contact hole; a passivation layer disposed on the common electrode, and including a third contact hole; and a pixel electrode disposed on the passivation layer, and being in contact with the drain electrode, in which the third contact hole is disposed to be adjacent to one surface of the first contact hole for improvement of an aperture ratio and a stable electrode connection.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hyun Park, Jun Ho Song, Jean Ho Song, Jae Hak Lee
  • Publication number: 20250056983
    Abstract: A display device includes: a first substrate, a barrier film, and a second substrate; a thin-film transistor layer, an emission material layer, an encapsulation layer and a touch detecting unit stacked on the second substrate; and a pad area in a non-display area and comprising pads connected to a driving substrate and facing the first substrate, the pads comprising: a pad contact hole formed by etching the second substrate and the barrier film; a first inorganic film and a pad electrode stacked on an inner circumferential surface of the pad contact hole; and a rear contact hole etched through a portion of the first substrate, and a pad bonded to the rear contact hole, with a middle hole connecting the pad contact hole with the rear contact hole, and the pad of the driving substrate is electrically connected to the pad electrode through a lower conductive ink.
    Type: Application
    Filed: March 11, 2024
    Publication date: February 13, 2025
    Inventors: Dong Hyun LEE, Jae Hak LEE, Si Joon SONG, Sang Hyuck YOON
  • Publication number: 20250048861
    Abstract: A display device includes a first substrate including an open portion, a first barrier insulating layer disposed on the first substrate and including a first contact hole overlapping the open portion, a first fan-out line disposed on the first barrier insulating layer, a pad part integrally formed with the first fan-out line and exposed through the open portion, a second substrate disposed on the first fan-out line, a connection part disposed on the second substrate and connected to the first fan-out line, a second fan-out line disposed on a layer between the first fan-out line and the connection part and connected to the connection part, a data line disposed on the same layer as the connection part and electrically connected to the second fan-out line, a flexible film including a lead electrode, and a contact part electrically connecting the lead electrode and the pad part.
    Type: Application
    Filed: March 4, 2024
    Publication date: February 6, 2025
    Inventors: Si Joon SONG, Youn Woong KANG, Eui Jeong KANG, Min Sang KOO, Tae Oh KIM, Seok Hyun NAM, Jeong Jin PARK, Dong Hyun LEE, Jae Hak LEE
  • Publication number: 20240396384
    Abstract: Provided is a stator applied to a motor. The stator of the present disclosure may reduce a production cost and simultaneously minimize a motor failure occurring due to corrosion by using an inexpensive steel ball bearing, which is enabled by reducing a magnitude of an shaft voltage that causes the corrosion rather than using a structure (for example, a ceramic bearing or an SGR bearing) for avoiding the corrosion.
    Type: Application
    Filed: February 20, 2024
    Publication date: November 28, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jae Hak LEE, Jeong Ki KWON, Hyoung Geun PARK, Yong Ho KIM
  • Publication number: 20240364167
    Abstract: An insulation structure applied to a motor, and more particularly, an insulation structure which may be mounted in a housing and suppresses a corrosion phenomenon by reducing a magnitude of a shaft voltage by blocking an electric field occurring in an end coil, the structure including: a conductive part having one side in contact with the housing, surrounding a bearing having a concentric shaft with a motor shaft, and extending to be parallel to the end coil; and an insulating part in contact with at least a portion of the other side of the conductive part.
    Type: Application
    Filed: April 4, 2024
    Publication date: October 31, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yong Ho KIM, Jae Hak LEE
  • Publication number: 20240322631
    Abstract: An insulation structure applied to each of two ends of a stator in an axial direction to block an electric field of an end coil assembly from being applied to a motor shaft. The structure includes: a conducting part extending in a predetermined induction direction parallel to a direction in which the end coil assembly is pulled out from the stator; and an insulating part positioned between the conducting part and the end coil assembly to insulate the conducting part.
    Type: Application
    Filed: October 25, 2023
    Publication date: September 26, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yong Ho KIM, Jae Hak LEE
  • Patent number: 12054849
    Abstract: An apparatus for manufacturing hexagonal Si crystal includes: a reaction tube; a mixed source part placed on one side in the reaction tube, for receiving mixed source of silicon, aluminum, and gallium which are in a solid state; a halogenation reaction gas supply pipe for supplying a halogenation reaction gas to the mixed source part; a substrate mounting part placed on the other side in the reaction tube, for mounting a first substrate, wherein the first substrate is disposed such that a crystal growth surface of the first substrate faces downwards; a nitrification reaction gas supply pipe for supplying a nitrification reaction gas to the substrate mounting part; and a heater for heating the reaction tube. The heater heats the reaction tube in a temperature range of 1100-1300° C.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: August 6, 2024
    Inventors: Byunggeun Ahn, Jae Hak Lee
  • Publication number: 20240260330
    Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area. The non-display area includes a blocking region. An organic layer is disposed on the substrate. An emission layer is disposed in the display area of the substrate. An auxiliary pattern is disposed in the blocking region of the non-display area of the substrate. A thin film encapsulation layer is disposed on the substrate and overlaps the emission layer and the blocking region. The organic layer has a groove penetrating an entire thickness of the organic layer in the blocking region. The auxiliary pattern overlaps the groove. The auxiliary pattern includes a same material as a gate electrode disposed in the display area of the substrate.
    Type: Application
    Filed: April 8, 2024
    Publication date: August 1, 2024
    Inventors: KI HOON KIM, DEUK JONG KIM, JAE HAK LEE
  • Publication number: 20240244905
    Abstract: A display device includes a first substrate; a thin film transistor disposed on an upper surface of the first substrate; a plurality of pad electrodes disposed under a lower surface of the first substrate; a second substrate disposed under the lower surface of the first substrate and defining an opening therein exposing the plurality of pad electrodes; a circuit board attached onto the plurality of pad electrodes exposed through the opening of the second substrate; and a plurality of conductive ink patterns surrounding at least a side surface of the circuit board and being in contact with at least one of the plurality of pad electrodes, where lower surfaces of the plurality of conductive ink patterns each have a shape having a concave central portion.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 18, 2024
    Inventors: Jae Hak LEE, Si Joon SONG
  • Publication number: 20240171045
    Abstract: Provided are an insulation shielding member which may insulate a coil and a stator core from each other, and simultaneously, shield an electric field caused by the coil, and a motor using the same. The insulation shielding member of the present disclosure may perform not only an insulation function but also a shielding function simultaneously, and shield the electric field caused by the coil to prevent corrosion from occurring in a bearing, thereby reducing the vibration and noise of the motor.
    Type: Application
    Filed: October 13, 2023
    Publication date: May 23, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yong Ho KIM, Jae Hak LEE
  • Patent number: 11980063
    Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area. The non-display area includes a blocking region. An organic layer is disposed on the substrate. An emission layer is disposed in the display area of the substrate. An auxiliary pattern is disposed in the blocking region of the non-display area of the substrate. A thin film encapsulation layer is disposed on the substrate and overlaps the emission layer and the blocking region. The organic layer has a groove penetrating an entire thickness of the organic layer in the blocking region. The auxiliary pattern overlaps the groove. The auxiliary pattern includes a same material as a gate electrode disposed in the display area of the substrate.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: May 7, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hoon Kim, Deuk Jong Kim, Jae Hak Lee
  • Patent number: 11925969
    Abstract: An orthodontic wire bending device includes a providing part, a bending unit and a cutting part. The providing part is configured to provide a wire. The bending unit is disposed at a front side of the providing part, and includes a fixing part and a bending part. The fixing part is configured to fix the wire. The bending part is configured to bend the wire fixed by the fixing part. The cutting part is configured to cut the wire bent by the bending part. The bending part includes a bending module, and the bending module is rotated along a circumferential direction or moves along a direction to make contact with at least one side of the wire for bending the wire.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: March 12, 2024
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Joonyub Song, Yongjin Kim, Youn Ho Jung, Kwang Sun Choi, Jae-hak Lee, Seung Man Kim
  • Patent number: 11903254
    Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.
    Type: Grant
    Filed: May 6, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Eun Choi, Deok Hoi Kim, Jeong Hwan Kim, Jong Baek Seon, Jun Cheol Shin, Jae Hak Lee
  • Patent number: 11882663
    Abstract: A method of manufacturing a display device includes providing a display layer including a light-emitting element, providing a base resin on the display layer, providing a chassis part by using a chassis providing unit including an electromagnet, providing a resin part by transforming a shape of the base resin, and separating the chassis providing unit from the display layer.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Young Lee, Youn Woong Kang, Min Sang Koo, Si Joon Song, Dong Hyun Lee, Jae Hak Lee
  • Publication number: 20230272549
    Abstract: An apparatus for manufacturing hexagonal crystals using HVPE includes: a reaction tube; a reaction boat disposed on one side in the reaction tube; a halogenation reaction gas supply pipe for supplying a halogenation reaction gas to the reaction boat; a nitrification reaction gas supply pipe for supplying a nitrification reaction gas to the reaction boat; and a heater for heating the reaction tube. The reaction boat includes a source part for receiving source materials; and a crystal growth part disposed beneath the source part and having a depressed growth mold of a predetermined shape. The source part includes: at least one penetration hole formed on a bottom surface; a first allocating area formed around the at least one penetration hole, for receiving aluminum; and a second allocating area formed around the first allocating area, for receiving a main material of the hexagonal crystal and gallium.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 31, 2023
    Inventors: Hyung Soo AHN, Jae Hak LEE, Byunggeun AHN, Joo Ho LEE
  • Patent number: 11701205
    Abstract: In a system of manufacturing an orthodontic wire, a method for manufacturing the orthodontic wire using the system, and an orthodontic wire bending machine for performing the system, the system includes a teeth data obtaining part, a simulating part, a calculating part and a wire manufacturing part. The teeth data obtaining part obtains present teeth data of a patient. The simulating part generates final teeth data. The calculating part compares a predetermined threshold to a compared value between the present teeth data of the patient and the final teeth data. The wire manufacturing part selectively manufactures a wire for an orthodontic process or a wire for a dentition maintenance process based on a compared result of the calculating part.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: July 18, 2023
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Joon-Yub Song, Yong-Jin Kim, Jae-Hak Lee, Seung-Man Kim, Youn Ho Jung, Kwang Sun Choi
  • Publication number: 20230189560
    Abstract: A display device has a display area with a plurality of light emitting areas and a non-light emitting area between the light emitting areas and a non-display area around a periphery of the display area. The display device includes: a base substrate having a first surface and an opposite second surface; a light emitting element in each of the light emitting areas on the first surface; a light blocking pattern in the non-light emitting area and in a light blocking area of the non-display area; a printed circuit film attached to a pad area of the non-display area on the first surface; and a light blocking layer on the light blocking pattern and the printed circuit film. The pad area is nearer to an end of the base substrate than the light blocking area is, and the light blocking layer includes a black resin and overlaps the light blocking pattern.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 15, 2023
    Inventors: Si Joon SONG, Youn Woong KANG, Min Sang KOO, Dong Hyun LEE, Jae Hak LEE, Jun Young LEE
  • Publication number: 20230033789
    Abstract: The present invention relates to a slurry composition for polishing an organic film, and the slurry composition for polishing an organic film according to one embodiment of the present invention comprises: abrasive particles; a polishing control agent containing an organic acid, an inorganic acid, or both; an organic film polishing enhancer containing an amide compound or an amide polymer; an oxidizing agent; and a pH control agent.
    Type: Application
    Filed: October 30, 2020
    Publication date: February 2, 2023
    Applicant: KCTECH CO., LTD.
    Inventors: Bo Hyeok CHOI, Jae Hak LEE, Jae Woo LEE, Ji Hye KIM, Jae Ik LEE
  • Publication number: 20220262885
    Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.
    Type: Application
    Filed: May 6, 2022
    Publication date: August 18, 2022
    Inventors: Ji Eun CHOI, Deok Hoi KIM, Jeong Hwan KIM, Jong Baek SEON, Jun Cheol SHIN, Jae Hak LEE