Patents by Inventor Jun NAMKUNG

Jun NAMKUNG 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: 11903303
    Abstract: A flexible display panel and a manufacturing method which is capable of removing a non-display area without damaging a display element layer, the flexible display panel includes a flexible substrate which includes a display area and a peripheral area outside of the display area, a display element layer disposed on the flexible substrate, and a neutral plane balancing layer disposed on the display element layer in the peripheral area, wherein the peripheral area of the flexible substrate in which the neutral plane balancing layer is disposed is folded towards a rear side of the display area along a first bending line, and the neutral plane balancing layer overlaps the first bending line.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Publication number: 20240004431
    Abstract: A flexible display device includes a flexible display panel and a first outer member having a groove pattern. The groove pattern includes a flat surface and inclined portions connected to the flat surface and symmetrical with each other.
    Type: Application
    Filed: August 25, 2023
    Publication date: January 4, 2024
    Inventors: Jun NAMKUNG, Soonryong PARK, Chulwoo JEONG
  • Patent number: 11740661
    Abstract: A flexible display device includes a first non-bending area, a second non-bending area spaced apart from the first non-bending area, and a bending area between the first non-bending area and the second non-bending area; and a protective member on a surface of the flexible display panel, and including a first protective member overlapping the first non-bending area and a second protective member overlapping the second non-bending area, each of the first protective member and the second protective member including an inclined surface inclined with respect to the surface of the flexible display panel overlapping the flat area adjacent to the bending area, and the inclined surfaces do not physically contact each other in a bending state.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soonryong Park, Chulwoo Jeong
  • Patent number: 11678504
    Abstract: A display device includes a substrate including a display area including a plurality of pixels and a non-display area positioned around the display area and including a bending portion. A first protection layer is at one surface of the bending portion and a second protection layer entirely covers one surface of the bending portion, the second protection layer being positioned outermost of the substrate and the first protection layer based on a center of a curvature radius of the bending portion. The second protection layer is thinner than the first protection layer. The second protection layer has at least one end portion which directly contacts the substrate.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jun Namkung
  • Publication number: 20230073992
    Abstract: A display panel includes: a substrate including a first display area in which a plurality of first display elements are arranged, and a second display area in which a plurality of second display elements are arranged; a plurality of first pixel circuits in the first display area; a plurality of second pixel circuits arranged outside of the second display area; a plurality of connection lines connecting the plurality of second display elements and the plurality of second pixel circuits; a first inorganic insulating layer arranged on the substrate; a lower-organic insulating layer arranged on the first inorganic insulating layer; and a second inorganic insulating layer arranged on the lower-organic insulating layer in the second display area, wherein the second inorganic insulating layer includes an opening exposing an upper surface of the lower-organic insulating layer.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 9, 2023
    Inventors: Jongbaek Seon, Deokhoi Kim, Jun Namkung, Joongsoo Moon, Hyungjun Park, Jaesung Lee, Changyong Choi
  • Publication number: 20230036991
    Abstract: A display panel includes a substrate including a first display area, a second display area, a first display element in the first display area, and a second display element in the second display area; a first pixel circuit in the first display area and electrically connected to the first display element; a second pixel circuit arranged outside the second display area and electrically connected to the second display element; an inorganic insulating layer arranged over the substrate and including a groove corresponding to the second display area; and a connection wiring arranged inside the groove and electrically connecting the second display element to the second pixel circuit, wherein the connection wiring and at least one of conductive layers of the second pixel circuit include a same material, and the connection wiring includes portions having different widths depending on a position of the connect wiring arranged in the second display area.
    Type: Application
    Filed: March 29, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jaesung LEE, Jun NAMKUNG
  • Publication number: 20220384750
    Abstract: A flexible display panel and a manufacturing method which is capable of removing a non-display area without damaging a display element layer, the flexible display panel includes a flexible substrate which includes a display area and a peripheral area outside of the display area, a display element layer disposed on the flexible substrate, and a neutral plane balancing layer disposed on the display element layer in the peripheral area, wherein the peripheral area of the flexible substrate in which the neutral plane balancing layer is disposed is folded towards a rear side of the display area along a first bending line, and the neutral plane balancing layer overlaps the first bending line.
    Type: Application
    Filed: August 12, 2022
    Publication date: December 1, 2022
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Publication number: 20220352139
    Abstract: A display device including a display panel including a substrate, pixels provided on the substrate, and first lines connected to the pixels, the display device having a bending area where the display panel is bent. The display panel also includes a chip on film overlapping with a portion of the display panel and having second lines, an anisotropic conductive film provided between the chip on film and the display panel connecting the first lines and the second lines, and a coating layer covering the bending area and one end of the chip on film. In such a device, lines of the chip on film may be prevented from being corroded as they may be spaced apart from an edge of an insulating film.
    Type: Application
    Filed: February 13, 2022
    Publication date: November 3, 2022
    Inventors: Jun Namkung, Soon Ryong Park, Ju Yeop Seong, Hyun Kyu Choi
  • Patent number: 11450825
    Abstract: A flexible display panel and a manufacturing method which is capable of removing a non-display area without damaging a display element layer, the flexible display panel includes a flexible substrate which includes a display area and a peripheral area outside of the display area, a display element layer disposed on the flexible substrate, and a neutral plane balancing layer disposed on the display element layer in the peripheral area, wherein the peripheral area of the flexible substrate in which the neutral plane balancing layer is disposed is folded towards a rear side of the display area along a first bending line, and the neutral plane balancing layer overlaps the first bending line.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Patent number: 11256297
    Abstract: A display device includes a display panel having a bent shape with respect to a first bending axis and a second bending axis, the display panel emitting light upward, and the first and second bending axes intersect with each other, a polarizing plate on an upper surface of the display panel and polarizing the light emitted upward, and a first protective film on a lower surface of the display panel, the first protective film including a plurality of first protrusion portions having three-dimensional shapes.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jun Namkung
  • Patent number: 11251173
    Abstract: A display device including a display panel including a substrate, pixels provided on the substrate, and first lines connected to the pixels, the display device having a bending area where the display panel is bent. The display panel also includes a chip on film overlapping with a portion of the display panel and having second lines, an anisotropic conductive film provided between the chip on film and the display panel connecting the first lines and the second lines, and a coating layer covering the bending area and one end of the chip on film. In such a device, lines of the chip on film may be prevented from being corroded as they may be spaced apart from an edge of an insulating film.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: February 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon Ryong Park, Ju Yeop Seong, Hyun Kyu Choi
  • Patent number: 11209868
    Abstract: Provided is a display device including: a bottom member; a display panel on the bottom member, the display panel configured to emit light; a top member on the display panel; a touch screen panel on the top member; and a groove region formed by removing at least a portion of at least one of the top member and the bottom member at a bent portion of the display device.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: December 28, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon-Ryong Park, Seok-Gi Baek, Chul-Woo Jeong
  • Publication number: 20210276301
    Abstract: A protection tape for a printed circuit board (PCB) includes an insulating base plate, a conductive layer over the insulating base plate, and an adhesive layer over the conductive layer, the adhesive layer including a main part having a first thickness and a subsidiary part having a second thickness less than the first thickness, the main part corresponding to at least a center portion of the insulating base plate and the subsidiary part being arranged at an outside of the main part.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Sujin Jung, Hyunkyu Choi
  • Patent number: 11034128
    Abstract: A protection tape for a printed circuit board (PCB) includes an insulating base plate, a conductive layer over the insulating base plate, and an adhesive layer over the conductive layer, the adhesive layer including a main part having a first thickness and a subsidiary part having a second thickness less than the first thickness, the main part corresponding to at least a center portion of the insulating base plate and the subsidiary part being arranged at an outside of the main part.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Namkung, Sujin Jung, Hyunkyu Choi
  • Publication number: 20210165459
    Abstract: A flexible display device includes a flexible display panel and a first outer member having a groove pattern. The groove pattern includes a flat surface and inclined portions connected to the flat surface and symmetrical with each other.
    Type: Application
    Filed: February 5, 2021
    Publication date: June 3, 2021
    Inventors: Jun NAMKUNG, Soonryong PARK, Chulwoo JEONG
  • Patent number: 10962814
    Abstract: A flexible display device that can suppress spread of cracks of an inorganic layer is provided. A flexible display device includes a flexible substrate including a display area and a periphery surrounding the display area, an inorganic layer formed on the flexible substrate, a display unit formed on the display area, and a thin film encapsulation layer covering the display unit. The inorganic layer includes an opening disposed on a periphery between edges of the flexible substrate and the thin film encapsulation layer.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: March 30, 2021
    Inventors: Jun Namkung, Seong-Jun Lee
  • Patent number: 10964723
    Abstract: A flexible display panel includes a bending area and a surrounding area adjacent to the bending area. The barrier layer includes first silicon nitride layers and first silicon oxide layers which are overlapped with the bending area. The first silicon nitride layers and the first silicon oxide layers are stacked alternately. Each of the first silicon nitride layers may have a thickness less than or equal to about 400 ?, and each of the first silicon oxide layers may have a thickness less than or equal to about 650 ?.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: March 30, 2021
    Assignees: Samsung Display Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jun Namkung, Seung Min Jane Han, Youbin Kim
  • Publication number: 20210074937
    Abstract: A flexible display panel and a manufacturing method which is capable of removing a non-display area without damaging a display element layer, the flexible display panel includes a flexible substrate which includes a display area and a peripheral area outside of the display area, a display element layer disposed on the flexible substrate, and a neutral plane balancing layer disposed on the display element layer in the peripheral area, wherein the peripheral area of the flexible substrate in which the neutral plane balancing layer is disposed is folded towards a rear side of the display area along a first bending line, and the neutral plane balancing layer overlaps the first bending line.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 11, 2021
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Patent number: 10915144
    Abstract: A flexible display device includes a flexible display panel and a first outer member having a groove pattern. The first groove pattern includes: a first inclined portion having a first surface inclined to the surface of the display panel at an obtuse angle relative to the surface of the display panel; and a second inclined portion spaced apart from the first inclined portion in a second direction crossing the first direction, the second inclined portion having a second surface inclined to the surface of the display panel at an obtuse angle relative to the surface of the display panel.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: February 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soonryong Park, Chulwoo Jeong
  • Patent number: 10908340
    Abstract: A display device comprises a display panel and an optical plate. The display panel comprises a surface comprising a display area and a non-display area, the display panel further comprising a bending portion that is bent and a non-bending portion that is not bent. The display panel comprises: a base substrate, an array of pixels formed over the base substrate, and electrically conductive lines disposed over the base substrate and electrically connecting the array of pixels to an exterior device, the electrically conductive lines comprising at least one extension formed in the bending portion and overlapping the non-display area when viewed in a thickness direction of the display panel. The optical plate is disposed over the display panel, and comprises: a first optical plate portion covering the display area, and a second optical plate portion covering the at least one extension of the electrically conductive lines.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Kwanghyeok Kim, Soonryong Park, Jungho So, Chulwoo Jeong