Patents by Inventor Jihun SONG

Jihun SONG 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).

  • Publication number: 20250221259
    Abstract: A transparent display apparatus in one example can include a substrate having a display area in which a plurality of pixels are disposed and a non-display area adjacent to the display area. The plurality of pixels have a transmissive portion and a plurality of sub-pixels. The transparent display apparatus can further include a plurality of dam areas extending from the non-display area to the display area on the substrate and provided to be a closed loop.
    Type: Application
    Filed: August 23, 2024
    Publication date: July 3, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: JiHun SONG, Hoiyong KWON, Youngwan KIM
  • Patent number: 12326848
    Abstract: A system for partitioning a keyspace includes: a system for partitioning a keyspace, includes: a server configured to transmit a partition setting item based on a keyspace creation request; and a database configured to receive the partition setting item and configured to create a first partition for the keyspace based on the received partition setting item, wherein the partition setting item includes a replication factor and at least one of a size of a second partition for storing data or a storage period of the data.
    Type: Grant
    Filed: October 27, 2023
    Date of Patent: June 10, 2025
    Assignee: SAMSUNG SDS CO., LTD.
    Inventor: Jihun Song
  • Patent number: 12272272
    Abstract: A display device can include a display panel, a cover supporting a rear surface of the display panel and including a plurality of openings in the cover, a roller configured to wind and unwind the display panel and the cover, and an adhesive unit bonding the display panel with the cover. The adhesive unit includes a first adhesive member, a base layer disposed on the first adhesive member and having a plurality of patterns, and a second adhesive member disposed on the base layer.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: April 8, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JiHun Song, Hoiyong Kwon
  • Patent number: 12185575
    Abstract: The display device includes a display panel including an active area and a non-active area; and a polarization plate on the display panel, the polarization plate including a polarization layer. The polarization layer includes a first pattern corresponding to the active area and a second pattern corresponding to the non-active area, and the second pattern is spaced apart from the first pattern. Thus, it is possible to delay moisture absorption of a polarization layer.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: December 31, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: JiHun Song, Hoiyong Kwon
  • Publication number: 20240224668
    Abstract: A display device includes a substrate having an active area including a plurality of pixels and a non-active area surrounding the active area; an inorganic insulating layer on the substrate and extending from the active area to the non-active area; a gate in panel (GIP) driving circuit in the non-active area and applying a gate signal to each of the plurality of sub pixels in the active area; a plurality of gate link lines which transmits a gate driving signal transmitted from the outside to the GIP driving circuit; a plurality of low potential voltage lines which transmits a low potential voltage to the GIP driving circuit; and at least one of first heat transfer prevention patterns disposed in an area in which the low potential voltage is applied from the plurality of low potential voltage lines to the GIP driving circuit.
    Type: Application
    Filed: December 11, 2023
    Publication date: July 4, 2024
    Applicant: LG Display Co., Ltd
    Inventors: Gyujae YOHN, JiHun SONG
  • Patent number: 11991898
    Abstract: A display device according to an exemplary embodiment of the present disclosure can include a back cover, a display panel disposed on the back cover, a polarizing plate disposed on the display panel, a barrier film disposed on the polarizing plate, and a side film which has one end disposed between the back cover and the display panel and another end disposed between the polarizing plate and the barrier film to enclose side surfaces of the display panel and the polarizing plate. Therefore, the moisture permeation into the polarization layer is delayed, which in turn improves the reliability of the display device.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: May 21, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JiHun Song, Hoiyong Kwon
  • Publication number: 20240143571
    Abstract: A system for partitioning a keyspace includes: a system for partitioning a keyspace, includes: a server configured to transmit a partition setting item based on a keyspace creation request; and a database configured to receive the partition setting item and configured to create a first partition for the keyspace based on the received partition setting item, wherein the partition setting item includes a replication factor and at least one of a size of a second partition for storing data or a storage period of the data.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Applicant: SAMSUNG SDS CO., LTD.
    Inventor: Jihun SONG
  • Publication number: 20240122040
    Abstract: According to an aspect of the present disclosure, a display device includes a substrate which includes an active area including a plurality of sub pixels and a non-active area enclosing the active area and comprises a transparent conductive oxide; an inorganic insulating layer on the substrate; a protection pattern covers an end of the substrate and an end of the inorganic insulating layer; and an organic insulating layer on the substrate, the inorganic insulating layer, and the protection pattern and extends to the outside of the substrate in a partial area.
    Type: Application
    Filed: October 5, 2023
    Publication date: April 11, 2024
    Inventors: JiHun Song, Jaehyeong Kim
  • Publication number: 20240107806
    Abstract: A display device includes a first substrate including a display area having a plurality of pixels, and a non-display area surrounding the display area, the first substrate being made of one of transparent conducting oxide and oxide semiconductor; an inorganic layer on the first substrate; a planarization layer on the inorganic layer; a bonding layer on the inorganic layer and the planarization layer; and a second substrate on the bonding layer. The planarization layer includes a first planarization layer overlapping the first substrate in a plan view, and a second planarization layer surrounding a side surface of the first planarization layer.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 28, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: JiHun SONG, Hoiyong KWON
  • Patent number: 11763701
    Abstract: A display device includes a display panel; a back cover supporting the display panel on a rear surface of the display panel; a roller disposed on a rear surface of the back cover, wherein the display panel and the back cover are wound around or unwound from the roller; a flexible film electrically connected to a pad area of the display panel; and a sealing layer disposed to cover an end of the flexible film. At least some of elements of the display panel including a substrate may be extended beyond the sealing layer. Accordingly, it is possible to prevent cracks in the display panel due to the pressing by the cover plate and the overflow of the sealant, thereby solving the issues of driving failure and reliability of the display panel.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: September 19, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JiHun Song, Hoiyong Kwon
  • Patent number: 11699366
    Abstract: A display device may include a display panel in which a plurality of pixels is defined, a back cover disposed on a bottom surface of the display panel, a roller which winds or unwinds the back cover and the display panel and a cover unit which is disposed at a lower side of the display panel and includes a variable cover which moves up or down as the display panel is wound or unwound. Stain, cracks, and separation of the display panel which are caused during the rolling may be reduced.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: July 11, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jihun Song, Hoiyong Kwon
  • Publication number: 20230189587
    Abstract: According to an aspect of the present disclosure, a display device includes a substrate including a display area in which a plurality of sub-pixels are disposed, and a non-display area. The display device includes a plurality of signal lines extending from the display area to the non-display area and configured to transmit an alternating current voltage. The display device includes a semiconductor layer disposed between the substrate and the plurality of signal lines and overlapping the plurality of signal lines.
    Type: Application
    Filed: October 24, 2022
    Publication date: June 15, 2023
    Inventors: JiHun SONG, Gyujae YOHN
  • Patent number: 11678446
    Abstract: A display device may include a display panel, a first back cover disposed on a rear surface of the display panel, at least one flexible film which is electrically connected to one end of the display panel and is bent toward a rear surface of the first back cover or a front surface of the display panel, and a printed circuit board which is electrically connected to the at least one flexible film and disposed on the rear surface of the first back cover or the at least one flexible film. The printed circuit board overlaps one end of the display panel. Accordingly, one end of the display panel in which the pad area which is vulnerable to the stress is disposed and the printed circuit board are maintained to be flat, to minimize the damage of the display device.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: June 13, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: JiHun Song, ChounSung Kang, Mi-Na Shin, Hoiyong Kwon, GeunChang Park
  • Patent number: 11653532
    Abstract: A display device includes a display panel including an active area in which a plurality of pixels is defined and a pad area in which pads for applying signals to the plurality of pixels are placed; a back cover placed to overlap the display panel; and a roller configured to wind or unwind the back cover and the display panel and including a flat portion and a curved portion, wherein the pad area is placed to be inclined toward the flat portion.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: May 16, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: JiHun Song, Moonsun Lee, Hoiyong Kwon
  • Publication number: 20230121603
    Abstract: In order to achieve the above-described objects, according to an aspect of the present disclosure, a display device includes a substrate which includes an active area and a non-active area extending from the active area and including a pad area and is formed of any one of a transparent conducting oxide and an oxide semiconductor; a plurality of inorganic insulating layers disposed on the substrate; a dam member having one end disposed on the pad area and the other end disposed at the outside of the substrate; and a plurality of flexible films which is disposed to cover the dam member and has one end disposed in the pad area. Accordingly, the dam member which covers the pad area is formed to minimize the crack of the plurality of inorganic insulating layers at the edge of the substrate.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 20, 2023
    Inventors: Hoiyong Kwon, JiHun Song
  • Publication number: 20230111215
    Abstract: A display device can include a lower substrate made of a transparent conducting oxide or an oxide semiconductor, a first inorganic insulating layer disposed on the lower substrate, a planarization layer disposed on the first inorganic insulating layer, a light-emitting element disposed on the planarization layer, and a sealing substrate disposed on the first inorganic insulating layer, the planarization layer, and the light-emitting element. The display device can further include a back cover disposed on the sealing substrate and having a plurality of opening portions, and a roller part configured to wind or unwind the back cover. An end of the first inorganic insulating layer can be disposed inward from an end of the sealing substrate.
    Type: Application
    Filed: October 7, 2022
    Publication date: April 13, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Hoiyong KWON, JiHun SONG
  • Patent number: 11455913
    Abstract: A display device according to an exemplary embodiment of the present disclosure includes a display panel, a back cover which supports the display panel on a rear surface of the display panel, a plurality of flexible films which is electrically connected to one end of the display panel and is disposed on one surface of the back cover, a printed circuit board which is electrically connected to the plurality of flexible films and disposed on the one surface of the back cover, and a roller to which the display panel and the back cover are wound or unwound, and the roller includes a flat portion and a first curved portion and a second curved portion having different radii of curvature. Accordingly, the damage of the plurality of flexible films and the printed circuit board may be reduced.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 27, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Hoiyong Kwon, JiHun Song
  • Patent number: 11452245
    Abstract: A flexible, rollable display system includes a display and one or more cover components coupled thereto. The cover components include openings that, when the display is wound around a roller, reduce induced stresses and the likelihood of the display cracking. The roller may include a flat portion to accommodate a printed circuit board or other electronic components less flexible than the display. The cover component(s) may be formed of heat radiating material(s) to improve performance of the system.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: September 20, 2022
    Assignee: LG Display Co., Ltd.
    Inventor: JiHun Song
  • Publication number: 20220271393
    Abstract: Provided is a solid electrolyte membrane including a porous frame including a metal or a polymer material, solid electrolyte particles covering both surfaces of the porous frame, and filling pores of the porous frame, and a binder between the solid electrolyte particles.
    Type: Application
    Filed: November 12, 2021
    Publication date: August 25, 2022
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daegu Gyeongbuk Institute of Science and Technology, LG Energy Solution, LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Young-Gi LEE, Seok Hun KANG, Dohwan KIM, Dong Hyeon KIM, Youngjoon ROH, Jihun SONG, Jinhyeok AHN, Yong Min LEE, Eun Kwang JANG, Kuk Young CHO, Hoiju CHOI, Hoe Jin HAH
  • Publication number: 20220209180
    Abstract: A display device according to an exemplary embodiment of the present disclosure can include a back cover, a display panel disposed on the back cover, a polarizing plate disposed on the display panel, a barrier film disposed on the polarizing plate, and a side film which has one end disposed between the back cover and the display panel and another end disposed between the polarizing plate and the barrier film to enclose side surfaces of the display panel and the polarizing plate. Therefore, the moisture permeation into the polarization layer is delayed, which in turn improves the reliability of the display device.
    Type: Application
    Filed: September 21, 2021
    Publication date: June 30, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: JiHun SONG, Hoiyong KWON