Patents by Inventor Sung-Hwan Yoon

Sung-Hwan Yoon 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: 20250151219
    Abstract: Embodiments of the present disclosure relate to flexible display devices, including dual-sided wet hardcoats for flexible cover lens structures, and related methods and coating systems. The flexible cover lens film has beneficial strength, elasticity. optical transmission, and anti-abrasion properties. In one or more embodiments. a cover lens structure for display devices includes a substrate layer including a first side and a second side. The cover lens structure includes a first wet hardcoat layer deposited on the first side of the substrate layer, and a second wet hardcoat layer deposited on the second side of the substrate layer. The cover lens structure includes one or more adhesion promotion layers formed above the second side. and a dry hardcoat layer formed above the second side.
    Type: Application
    Filed: March 24, 2023
    Publication date: May 8, 2025
    Inventors: Helinda NOMINANDA, Tae Kyung WON, Han NGUYEN, Seong Ho YOO, Soo Young CHOI, Sung Hwan YOON, Yoon Duck HAN, Chang Woo LEE, Kyung Whan PARK, Shi Youl SHIN
  • Patent number: 12289844
    Abstract: A display device includes a cover module having a storage space therein, a display panel configured to be at least partially disposed inside the storage space or withdrawn outside the storage space, and a first driving system configured to embed the display panel into the cover module or withdraw the display panel from the cover module in a first direction, wherein the first driving system includes a first rigid chain.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: April 29, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Eun-Gi Jeon, Young-Kyu Bang, Sung-Hwan Yoon, Seoung-Mo Kang
  • Patent number: 12279384
    Abstract: A display device includes a cover module having a storage space therein, a display panel configured to be at least partially disposed inside the storage space or withdrawn outside the storage space, and a first driving system configured to embed and withdraw the display panel into and from the cover module in a first direction, wherein the first driving system includes a first wire drum and a first driving wire.
    Type: Grant
    Filed: December 3, 2022
    Date of Patent: April 15, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Hwan Yoon, Young-Kyu Bang, Seoung-Mo Kang, Eun-Gi Jeon
  • Patent number: 12266472
    Abstract: The present disclosure relates to a mounting jig for manufacturing a tiling display device and a manufacturing method of a tiling display device using the same. A mounting jig for manufacturing a tiling display device according to an embodiment of the present disclosure includes: a supporting member; a plurality of jig magnets fixed to the supporting member; a hinge structure configured to rotate the plurality of jig magnets; and a guard rail rotating in response to rotation of the plurality of jig magnets and reducing damage caused during detachment or attachment. Therefore, when the mounting jig is attached to a display device, a safety distance can be secured by the guard rail disposed between the display device and the jig magnets and the mounting jig can be slowly attached to the display device without giving an impact to the display device.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 1, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Han Seok Kim, Sung Hwan Yoon, Sang Ok Seon, Jae Jun Kim
  • Patent number: 12237107
    Abstract: A mounting jig for manufacturing a tiling display device can include a supporting member, a plurality of jig magnets fixed to the supporting member, a hinge structure configured to rotate the plurality of jig magnets, and a guard rail configured to rotate in response to a rotation of the plurality of jig magnets, to reduce damage caused during detachment or attachment. The tiling display device includes a plurality of display devices disposed in the form of tiles. Each of the plurality of display devices includes a plurality of display elements, a plurality of circuits, a plurality of lines and a plurality of parts. The plurality of display elements can be a light emitting diode (LED) or a micro-LED including an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting layer.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: February 25, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Han Seok Kim, Sung Hwan Yoon, Sang Ok Seon, Jae Jun Kim
  • Patent number: 12094372
    Abstract: A display device according to an exemplary embodiment of the present invention includes a display panel; a frame disposed on a rear surface of the display panel; a plurality of binders fixed to the rear surface of the display panel and disposed between the display panel and the frame; and a plurality of coupling members penetrating the frame and coupled to the plurality of binders. Accordingly, the display panel and the frame may be easily attached and detached using the plurality of binders and the plurality of coupling members.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 17, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung Hwan Yoon, Sun Geun Bae
  • Publication number: 20240120137
    Abstract: A mounting jig for manufacturing a tiling display device can include a supporting member, a plurality of jig magnets fixed to the supporting member, a hinge structure configured to rotate the plurality of jig magnets, and a guard rail configured to rotate in response to a rotation of the plurality of jig magnets, to reduce damage caused during detachment or attachment. The tiling display device includes a plurality of display devices disposed in the form of tiles. Each of the plurality of display devices includes a plurality of display elements, a plurality of circuits, a plurality of lines and a plurality of parts. The plurality of display elements can be a light emitting diode (LED) or a micro-LED including an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting layer.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Han Seok KIM, Sung Hwan YOON, Sang Ok SEON, Jae Jun KIM
  • Publication number: 20230209747
    Abstract: A display device includes a cover module having a storage space therein, a display panel configured to be at least partially disposed inside the storage space or withdrawn outside the storage space, and a first driving system configured to embed the display panel into the cover module or withdraw the display panel from the cover module in a first direction, wherein the first driving system includes a first rigid chain.
    Type: Application
    Filed: December 19, 2022
    Publication date: June 29, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Eun-Gi JEON, Young-Kyu BANG, Sung-Hwan YOON, Seoung-Mo KANG
  • Publication number: 20230209746
    Abstract: A display device includes a cover module having a storage space therein, a display panel configured to be at least partially disposed inside the storage space or withdrawn outside the storage space, and a first driving system configured to embed and withdraw the display panel into and from the cover module in a first direction, wherein the first driving system includes a first wire drum and a first driving wire.
    Type: Application
    Filed: December 3, 2022
    Publication date: June 29, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sung-Hwan YOON, Young-Kyu BANG, Seoung-Mo KANG, Eun-Gi JEON
  • Publication number: 20230209736
    Abstract: A display device includes a cover module having a storage space therein, a display panel configured to be at least partially disposed inside the storage space or withdrawn outside the storage space, a first driving system configured to embed the display panel into the cover module or withdraw the display panel from the cover module in a first direction, and a first elevation assistance system disposed inside the storage space and configured to control a speed of raising and lowering the display panel.
    Type: Application
    Filed: December 19, 2022
    Publication date: June 29, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seoung-Mo KANG, Young-Kyu BANG, Sung-Hwan YOON, Eun-Gi JEON
  • Patent number: 11644205
    Abstract: A smoke control system of a building including a supply air duct installed in an interior of the building having a plurality of floors in a vertical direction, including a plurality of openings corresponding to the plurality of floors, respectively, and one end of which is exposed to an outside of the building, a blower that supplies air to the supply air duct, and a plurality of automatic differential pressure dampers installed in a plurality of ancillary rooms provided on the plurality of floors, respectively, to be adjacent to the plurality of openings. Opening areas of the plurality of openings increase as locations of the plurality of openings become farther away from a point, at which air is supplied to the supply air duct by the blower.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: May 9, 2023
    Inventor: Sung Hwan Yoon
  • Publication number: 20230089323
    Abstract: A smoke control system of a building including a supply air duct installed in an interior of the building having a plurality of floors in a vertical direction, including a plurality of openings corresponding to the plurality of floors, respectively, and one end of which is exposed to an outside of the building, a blower that supplies air to the supply air duct, and a plurality of automatic differential pressure dampers installed in a plurality of ancillary rooms provided on the plurality of floors, respectively, to be adjacent to the plurality of openings. Opening areas of the plurality of openings increase as locations of the plurality of openings become farther away from a point, at which air is supplied to the supply air duct by the blower.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 23, 2023
    Inventor: Sung Hwan YOON
  • Publication number: 20230009971
    Abstract: A display device according to an exemplary embodiment of the present invention includes a display panel; a frame disposed on a rear surface of the display panel; a plurality of binders fixed to the rear surface of the display panel and disposed between the display panel and the frame; and a plurality of coupling members penetrating the frame and coupled to the plurality of binders. Accordingly, the display panel and the frame may be easily attached and detached using the plurality of binders and the plurality of coupling members.
    Type: Application
    Filed: March 24, 2020
    Publication date: January 12, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Sung Hwan YOON, Sun Geun BAE
  • Publication number: 20220406505
    Abstract: The present disclosure relates to a mounting jig for manufacturing a tiling display device and a manufacturing method of a tiling display device using the same. A mounting jig for manufacturing a tiling display device according to an embodiment of the present disclosure includes: a supporting member; a plurality of jig magnets fixed to the supporting member; a hinge structure configured to rotate the plurality of jig magnets; and a guard rail rotating in response to rotation of the plurality of jig magnets and reducing damage caused during detachment or attachment. Therefore, when the mounting jig is attached to a display device, a safety distance can be secured by the guard rail disposed between the display device and the jig magnets and the mounting jig can be slowly attached to the display device without giving an impact to the display device.
    Type: Application
    Filed: March 27, 2020
    Publication date: December 22, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Han Seok KIM, Sung Hwan YOON, Sang Ok SEON, Jae Jun KIM
  • Patent number: 11273376
    Abstract: Provided is a game providing method comprising storing a plurality of codes for changing a property of an object in an online game; receiving a code provided by a user of the online game; determining whether the received code corresponds to one of the plurality of codes; and, based on determining that the received code corresponds to one of the plurality of codes, changing, based on a predetermined condition, the property of the object with which the user interacts from a first value to a second value.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: March 15, 2022
    Assignee: NEXON KOREA CORPORATION
    Inventors: Kwang Sup Lee, Sung Hwan Yoon
  • Patent number: 11111377
    Abstract: The present invention relates to a resin composition including (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer including a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: September 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Seung Cheol Ryoo, Sung Hwan Yoon, Hyun Ki Kim, Seong Lyong Kim, Jin Oh Nam
  • Publication number: 20200239682
    Abstract: The present invention relates to a resin composition including (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer including a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer.
    Type: Application
    Filed: November 23, 2018
    Publication date: July 30, 2020
    Inventors: Seung Cheol RYOO, Sung Hwan YOON, Hyun Ki KIM, Seong Lyong KIM, Jin Oh NAM
  • Publication number: 20200167403
    Abstract: A method for determining performance utilization of a device and a storage medium. The method includes: for N continuous sub periods of time within a continuous period of time, determining an average tact time of the device within each of the sub periods of time; taking a shortest average tact time of the device within the N sub periods of time as a performance tact time of the device within the period of time; determining an actual tact time of the device within the period of time according to an utilizable time of the device and a quantity of products actually outputted by the device within the period of time; and determining a performance utilization of the device within the period of time according to the performance tact time and the actual tact time of the device within the period of time.
    Type: Application
    Filed: May 30, 2019
    Publication date: May 28, 2020
    Inventors: Min QUAN, Sung Hwan YOON, Junshan XIANG, Hu LI
  • Patent number: 10667411
    Abstract: A multi-panel display device includes: a first display device and a second display device each including a display panel, a back cover configured to cover a rear surface of the display panel, and a back cover housing configured to cover a rear surface of the back cover, a first cabinet on which the first and second display devices are supported and attached, and a fine adjustment device positioned on a rear surface of each of the first and second display devices exposed to a rear surface of the first cabinet, wherein the fine adjustment device is connected to the back cover of each of the first and second display devices and exposed to the outside through an adjustment device hole provided in the back cover housing, and positions of the back cover and the display panel are finely adjusted by the fine adjustment device.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 26, 2020
    Assignee: LG DISPLAY CO., LTD
    Inventors: Hee-Jong Shin, Han-Seok Kim, Sung-Hwan Yoon
  • Publication number: 20200009461
    Abstract: Provided is a game providing method comprising storing a plurality of codes for changing a property of an object in an online game; receiving a code provided by a user of the online game; determining whether the received code corresponds to one of the plurality of codes; and, based on determining that the received code corresponds to one of the plurality of codes, changing, based on a predetermined condition, the property of the object with which the user interacts from a first value to a second value.
    Type: Application
    Filed: July 5, 2019
    Publication date: January 9, 2020
    Inventors: Kwang Sup Lee, Sung Hwan Yoon