Patents by Inventor Dong-Sung Lee

Dong-Sung 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: 11932140
    Abstract: Disclosed is a cushion tip-up type seat for a vehicle. The cushion tip-up type seat for a vehicle is configured to perform a tip-up function of a cushion part, and to move a seat leftward and rightward to adjust an interval between left and right seats, whereby left and right spacing between occupants seated in the seats is sufficiently secured and the convenience of the occupants is improved.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: March 19, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.
    Inventors: Dong Woo Jeong, Eun Sue Kim, Dae Hee Lee, Myung Hoe Kim, Jun Sik Hwang, Gwon Hwa Bok, Hae Dong Kwak, Jae Sung Shin, Han Kyung Park, Jae Hoon Cho
  • Publication number: 20240083806
    Abstract: A method of manufacturing a window includes preparing a base material layer, forming a first hard coating layer on the base material layer, and forming a second hard coating layer on the first hard coating layer. The forming of the second hard coating layer is performed in an environment having an oxygen concentration of about 0.01% to about 0.1%.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Dong-Sung LEE, Hyunseung SEO, Hui yeon SHON, Hyunkyung YUN, Changmoo LEE, JONGHWAN CHO, Yongkyu KANG, Jihyun KO
  • Publication number: 20240079560
    Abstract: The present invention relates to a secondary battery comprising a cathode, an anode and a separator interposed between the cathode and the anode, wherein the anode comprises an anode current collector and an anode mixture layer formed on at least one surface of the anode current collector, the anode mixture layer comprises an anode active material, a binder, and a conductive material, a loading amount of the anode mixture layer is 5 mg/cm2 to 15 mg/cm2, and value R of the anode mixture layer is 3,000 or less, wherein R means (permeability of the anode mixture layer)×(current density of a battery)2. According to the present invention, an overvoltage phenomenon of an anode surface and the deposition of lithium metal caused thereby can be prevented so that charging can be performed with a higher current, and thus rapid charging performance is improved, and lifespan is excellent even in the same current.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Inventors: Dong-Hoon LEE, Hwan-Ho JANG, Hyo-Sung LIM
  • Publication number: 20240076798
    Abstract: An ingot growth apparatus is disclosed. The ingot growth apparatus according to an embodiment of the present invention may comprise: a growth furnace having a main crucible which is disposed inside the growth furnace and in which molten silicon is held in order to grow an ingot; a susceptor formed to surround the outer surface of the main crucible and heating the main crucible; a heater formed to surround the outer surface of the susceptor and including a coil which is supplied with power to generate a magnetic field and heats the susceptor by electromagnetic induction from the magnetic field; and a heat insulation member disposed between the coil and the susceptor.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 7, 2024
    Applicants: HANWHA SOLUTIONS CORPORATION, HANWHA CORPORATION
    Inventors: Young Min LEE, Kyung Seok LEE, Jin Sung PARK, Dong Woo BAE
  • Patent number: 11916456
    Abstract: A connection structure of a stator of a drive motor is configured to allow coils to be wound in a plurality of slots provided in a stator core and to connect the coils withdrawn from the slots. The coils are wound in the slots to form first-type structures and second-type structures configured such that withdrawal directions of three-phase (U-, W- and V-phase) withdrawal lines and N-phase withdrawal lines withdrawn from the slots of the first-type structures are opposite to withdrawal directions of three-phase (U-, W- and V-phase) withdrawal lines and N-phase withdrawal lines withdrawn from the slots of the second-type structures. The first-type structures and the second-type structures are disposed symmetrically to each other with respect to a reference line formed to divide the slots in half.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: February 27, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ga Eun Lee, Dong Yeon Han, Yong Sung Jang, Deok Hwan Na, Jae Won Ha, Myung Kyu Jeong
  • Patent number: 11903247
    Abstract: A method of manufacturing a polycrystalline silicon layer for a display device includes the steps of forming an amorphous silicon layer on a substrate, cleaning the amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam to form a polycrystalline silicon layer.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Sung Lee, Seo Jong Oh, Byung Soo So, Dong-min Lee
  • Patent number: 11873245
    Abstract: A method of manufacturing a window includes preparing a base material layer, forming a first hard coating layer on the base material layer, and forming a second hard coating layer on the first hard coating layer. The forming of the second hard coating layer is performed in an environment having an oxygen concentration of about 0.01% to about 0.1%.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Sung Lee, Hyunseung Seo, Hui yeon Shon, Hyunkyung Yun, Changmoo Lee, Jonghwan Cho, Yongkyu Kang, Jihyun Ko
  • Patent number: 11854804
    Abstract: A laser irradiation method includes a first scanning wherein a laser beam is scanned in a first region having a width in the X direction and a length in the Y direction by moving a laser irradiation area on the surface of the substrate along the Y direction using a spot laser beam, and a second scanning wherein laser beam is scanned in a second region having a width in the X direction and a length in the Y direction by moving a laser irradiation area on the surface of the substrate along the Y direction using the spot laser beam. A center of the second region is spaced apart from a center of the first region in the X direction.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hiroshi Okumura, Jongjun Baek, Dong-Sung Lee
  • Publication number: 20230387052
    Abstract: A display device includes a base layer including an upper base layer and a lower base layer on a rear surface of the upper base layer; at least one light emitting element on a surface of the upper base layer; and at least one pad on the rear surface of the upper base layer and including a first pad layer adjacent to the upper base layer and a second pad layer adjacent to the lower base layer. The second pad layer includes indium zinc oxide (IZO).
    Type: Application
    Filed: January 31, 2023
    Publication date: November 30, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Mi Sun KIM, Dong Sung LEE, Yong Hoon KWON, Byung Hoon KIM, Tae Oh KIM, Jeong Jin PARK, Se Hun CHOI
  • Publication number: 20230315376
    Abstract: A display device, a method of manufacturing the same and a tiled display device including the same are provided. The display device includes a substrate including a first contact hole, a laser absorption layer on the substrate and containing amorphous silicon, a first barrier insulating layer on the laser absorption layer, a fan-out line on the first barrier insulating layer as a first metal layer and including a pad portion in a second contact hole located in the first barrier insulating layer and the laser absorption layer, a display layer on the fan-out line, and a flexible film under the substrate and in the first contact hole and electrically connected to the pad portion.
    Type: Application
    Filed: March 10, 2023
    Publication date: October 5, 2023
    Inventor: Dong Sung LEE
  • Publication number: 20230307462
    Abstract: A display device includes a substrate, a first metal layer on the substrate, a first barrier insulating layer on the first metal layer, an etching control layer on the first barrier insulating layer, a first contact hole passing through the substrate, the first barrier insulating layer, and the etching control layer, a second barrier insulating layer on the etching control layer and including a second contact hole, a fan-out line on the second barrier insulating layer and included in a second metal layer, a pad part inserted into the second contact hole and included in the second metal layer, the pad part integral with the fan-out line, a display layer on the fan-out line, and a flexible film under the substrate and inserted into the first contact hole to be electrically connected to the pad part. The first metal layer includes an etching mark adjacent to the first contact hole.
    Type: Application
    Filed: November 9, 2022
    Publication date: September 28, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Yong Hoon KWON, Mi Sun KIM, Dong Sung LEE, Se Hun CHOI
  • Publication number: 20230274691
    Abstract: A display device comprises a first substrate including a first contact hole, a first barrier insulating layer disposed on the first substrate and including a second contact hole, a fan-out line disposed in a first metal layer on the first barrier insulating layer, the fan-out line including a protruding part inserted in the second contact hole to protrude from below the first barrier insulating layer, and a recessed part formed by the second contact hole, an etching electrode disposed in the recessed part of the fan-out line, a second substrate disposed on the fan-out line and the etching electrode and including a third contact hole, a display layer disposed on the second substrate, and a flexible film disposed below the first substrate and inserted in the first contact hole to be electrically connected to the protruding part of the fan-out line.
    Type: Application
    Filed: November 1, 2022
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Sung LEE, Byung Hoon KIM, Tae Oh KIM, So Chan PARK
  • Publication number: 20230275188
    Abstract: A display device, a method of manufacturing the same and a tiled display device including the same are provided. The display device includes a first substrate including a first contact hole, a first barrier insulating layer disposed on the first substrate and including a second contact hole overlapping the first contact hole in a thickness direction, a capping layer disposed on the first barrier insulating layer, at least a portion of the capping layer being disposed in the second contact hole and the first contact hole, a pad electrode disposed on the capping layer, a display layer disposed on the pad electrode, and a flexible film disposed under the first substrate and electrically connected to the pad electrode through the first contact hole and the second contact hole.
    Type: Application
    Filed: November 14, 2022
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Sung LEE, Yong Hoon KWON, Mi Sun KIM, Byung Hoon KIM, Tae Oh KIM, Se Hun CHOI
  • Publication number: 20230275103
    Abstract: A display device comprises a first substrate including a first contact hole, a first barrier insulating layer disposed on the first substrate and including second contact holes overlapping the first contact hole, pad electrodes disposed on the first barrier insulating layer, at least a subset of the pad electrodes being disposed in the second contact holes, a display layer disposed on the pad electrodes, and a flexible film disposed below the first substrate and electrically connected to the pad electrodes through the first contact hole and the second contact holes, wherein the first substrate includes a substrate buffer portion overlapping the first contact hole and not-overlapping the second contact holes.
    Type: Application
    Filed: October 27, 2022
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Hoon KIM, Yong Hoon KWON, Mi Sun KIM, Tae Oh KIM, Dong Sung LEE, Se Hun CHOI
  • Publication number: 20230138300
    Abstract: A lens assembly applied to a small mobile device is disclosed. The lens assembly comprises: a base; a lens module disposed inside the base; first and second image stabilization driving units for moving the lens module in the direction perpendicular to the optical axis direction; and a plurality of hinge members which movably support the lens module and are disposed to be parallel to each other, wherein the plurality of hinge members have column parts that gradually protrude toward the center thereof and are injection-molded with a synthetic resin material.
    Type: Application
    Filed: September 18, 2020
    Publication date: May 4, 2023
    Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI, Dong Sung LEE
  • Publication number: 20230040027
    Abstract: Disclosed are an optical path changing unit and a lens assembly comprising same. The optical path changing unit comprises: a base; a prism unit a part of which is connected to the base and the other part of which is arranged to be movable within the base; and first to third optical image stabilizing (OIS) drive units which change the prism unit into a tiltable position.
    Type: Application
    Filed: September 18, 2020
    Publication date: February 9, 2023
    Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI, Dong Sung LEE
  • Patent number: 11474320
    Abstract: The disclosure relates to a micro lens assembly including; a base; a support inserted into the base to be movable in an optical axis direction; a driver for auto focus adjustment configured to move the support in the optical axis direction; a lens unit inserted into the support and including a lens barrel to which a lens part is coupled; a driver for optical image stabilization configured to move the lens unit in the direction perpendicular to the optical axis direction; a plurality of ball bearings arranged between the support and the base for the support to be movable with respect to the base in the optical axis direction; and a plurality of connection members configured to connect the lens unit and the support to each other for the lens unit to be movable with respect to the support and formed of an elastic nonconductor.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 18, 2022
    Assignee: MICRO ACTUATOR CO., LTD.
    Inventors: Dae Soon Lim, Hak Ku Yoon, Myung Won Choi, Dong Sung Lee
  • Patent number: 11407061
    Abstract: A laser crystallizing apparatus may include a laser light source, an optical system, and an optical module. The laser light source may generate a laser beam. The optical system may convert the laser beam into a line laser beam. The optical module may disperse energy of the line laser beam in a first direction for generating a dispersed line laser beam. The first direction may be perpendicular to a lengthwise direction of the optical module.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: August 9, 2022
    Inventors: Dong-Sung Lee, Dong-min Lee, Jongoh Seo, Byung Soo So
  • Publication number: 20220173134
    Abstract: A laser apparatus includes a laser generator configured to generate a first laser beam proceeding along a first direction, and an inversion module configured to convert the first laser beam to a second laser beam proceeding along the first direction, the inversion module including a splitter configured to form a reflected laser beam by partially reflecting the first laser beam, and a transmitted laser beam by partially transmitting the first laser beam, and a prism configured to reflect the reflected laser beam.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Dong-min LEE, Ji-Hwan KIM, Jongoh SEO, Byung Soo SO, Dong-Sung LEE, Jonghoon CHOI
  • Publication number: 20220115233
    Abstract: A laser irradiation method includes a first scanning wherein a laser beam is scanned in a first region having a width in the X direction and a length in the Y direction by moving a laser irradiation area on the surface of the substrate along the Y direction using a spot laser beam, and a second scanning wherein laser beam is scanned in a second region having a width in the X direction and a length in the Y direction by moving a laser irradiation area on the surface of the substrate along the Y direction using the spot laser beam. A center of the second region is spaced apart from a center of the first region in the X direction.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hiroshi OKUMURA, Jongjun BAEK, Dong-Sung LEE