Patents by Inventor Pil-Soon Hong

Pil-Soon Hong 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: 20240049540
    Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.
    Type: Application
    Filed: October 19, 2023
    Publication date: February 8, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Gwui-Hyun PARK, Chul Won PARK, Pil Soon HONG, Bo Geon JEON
  • Publication number: 20240023377
    Abstract: A display device is disclosed that includes a substrate, a pixel electrode, a sacrificial layer, a pixel defining layer, a conductive layer, a light emitting material, and a common electrode. The pixel electrode is arranged on the substrate. The sacrificial layer is arranged on the pixel electrode so as to be adjacent to an outer boundary of the pixel electrode when viewed in a plan view. The pixel defining layer is arranged on the substrate, coming into direct contact with an entire top surface of the sacrificial layer, and defining a pixel opening exposing a part of the pixel electrode. The conductive layer covers a side surface of the pixel defining layer defining the pixel opening. The light emitting material is arranged on the pixel electrode within the pixel opening. The common electrode includes a first common electrode covering a top surface of the light emitting material in the pixel opening, and a second common electrode covering a top surface of the pixel defining layer.
    Type: Application
    Filed: July 4, 2023
    Publication date: January 18, 2024
    Inventors: PIL SOON HONG, JUNGI KIM, HYE SUN KIM, SANGHYUN YUN, GWANGMIN CHA
  • Publication number: 20240008341
    Abstract: A present disclosure relates to a display device and a manufacturing method, and the display device according to an embodiment includes: a substrate; a transistor positioned on the substrate; a first pixel electrode connected to the transistor; a scattering layer positioned on the first pixel electrode; a second pixel electrode positioned on the scattering layer and covering a side surface of the first pixel electrode; an emission layer positioned on the second pixel electrode; and a common electrode positioned on the emission layer.
    Type: Application
    Filed: April 20, 2023
    Publication date: January 4, 2024
    Inventors: Yang-Ho JUNG, Woong Sik KIM, Kab Jong SEO, Jun Ho SIM, Pil Soon HONG
  • Patent number: 11800765
    Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwui-Hyun Park, Chul Won Park, Pil Soon Hong, Bo Geon Jeon
  • Patent number: 11737320
    Abstract: A display device comprises: a base layer, islands and bridges, the islands and the bridges disposed on the base layer, the bridges connecting the islands to each other, first wirings disposed on the bridges, pixels disposed on the islands, the first wirings disposed on the bridges, pixels disposed on the islands, the first wirings being connected to the pixels; an inorganic insulating layer disposed on the base layer, the inorganic insulating layer includes an opening exposing the base layer of a bridge region having the bridges; second wirings disposed in the opening; and a first organic insulating layer disposed between the first wirings and the second wirings, where the first wirings and the second wirings are connected to each other through first contact holes formed in the first organic insulating layer.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwui Hyun Park, Pil Soon Hong, Chui Won Park, Hyun Jin Son, Koichi Sugitani, Hyung Bin Cho
  • Publication number: 20230200163
    Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.
    Type: Application
    Filed: February 15, 2023
    Publication date: June 22, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Gwui-Hyun PARK, Chul Won PARK, Pil Soon HONG, Bo Geon JEON
  • Publication number: 20230189559
    Abstract: A display device includes a plurality of first light blocking patterns, a first substrate on the first light blocking patterns, a plurality of second light blocking patterns on the first substrate, a driving device on the plurality of second light blocking patterns, a via insulating layer on the driving device and defining a plurality of light blocking areas, and a light emitting device on the via insulating layer, electrically connected to the driving device and including a light emitting area.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 15, 2023
    Inventors: JAEHUN LEE, HYE SUN KIM, JUNHO SIM, SANGHYUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Publication number: 20230140984
    Abstract: A display device includes an insulating layer disposed on a base layer, a first lower electrode disposed on the insulating layer, a second lower electrode disposed on the insulating layer and spaced apart from the first lower electrode, a pixel definition layer disposed on the insulating layer and including pixel openings exposing at least a portion of each of the first lower electrode and the second lower electrode, and a sacrificial layer disposed between the pixel definition layer and the insulating layer and including a first side surface defining sacrificial openings corresponding to the pixel openings. The first side surface is overlapped by the pixel definition layer in a plan view.
    Type: Application
    Filed: September 12, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: JUNHO SIM, HYE SUN KIM, SANGHYUN LEE, JAEHUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Publication number: 20230132797
    Abstract: A display device includes a substrate including a display area and a peripheral area, a driving element disposed in the display area on the substrate, a pixel electrode disposed on the driving element and connected to the driving element, a planarization layer including a first flat portion covering the driving element on the driving element and a first protrusion portion protruding in a thickness direction from an upper surface of the first flat portion adjacent to the pixel electrode, and a pixel defining layer disposed on the planarization layer. The pixel defining layer includes a bank portion, in which an opening is defined to expose a portion of the pixel electrode; and a spacer portion protruding in the thickness direction from an upper surface of the bank portion and spaced apart from the first protrusion portion in a plan view.
    Type: Application
    Filed: August 29, 2022
    Publication date: May 4, 2023
    Inventors: JAEHUN LEE, HYE SUN KIM, JUNHO SIM, SANGHYUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Publication number: 20230135679
    Abstract: A display device includes a display area including a display element including a pixel electrode and a driving element connected to the display element, a planarization layer on the driving element, and a pixel defining layer on the planarization layer and defining an opening corresponding to the pixel electrode of the display element. The pixel defining layer includes a bank portion defining the opening and extending from the pixel electrode, and including a flat portion and a first protrusion which protrudes from an upper surface of the flat portion and is adjacent to the pixel electrode, and a second protrusion which protrudes from the upper surface of the flat portion of the bank portion and is further from the opening than the first protrusion.
    Type: Application
    Filed: August 19, 2022
    Publication date: May 4, 2023
    Inventors: JAEHUN LEE, HYE SUN KIM, JUNHO SIM, SANGHYUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Publication number: 20230096077
    Abstract: A photosensitive resin composition including a silsesquioxane-based copolymer obtained by copolymerizing a first monomer represented by Chemical Formula 1 (R1—R2—Si (R3)3), a second monomer represented by Chemical Formula 2 ((R4)n—Si(R5)4-n), a third monomer represented by Chemical Formula 3 (Si(R6)4), and a fourth monomer represented by Chemical Formula 4 ((R7)3—Si—R8—Si—(R7)3) are provided.
    Type: Application
    Filed: July 18, 2022
    Publication date: March 30, 2023
    Inventors: Jun Young KIM, GWUI-HYUN PARK, KOICHI SUGITANI, HYE IN KIM, Do Hyuk IM, SAEHEE HAN, PIL SOON HONG, Hwa Young KIM, Do Hyun SEO, Ho Sung CHOI, Sung Goo HAN
  • Patent number: 11594591
    Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwui-Hyun Park, Chul Won Park, Pil Soon Hong, Bo Geon Jeon
  • Patent number: 11489027
    Abstract: A display apparatus having a display area and a pad area and a method of manufacturing the same, the display apparatus including a base substrate; a thin film transistor on the base substrate in the display area; an insulation layer on the base substrate and the thin film transistor; a conductive pattern layer on the insulation layer, the conductive pattern layer including a pad electrode in the pad area; and a via insulation layer on the insulation layer, exposing an upper surface of the pad electrode, and covering edges of the pad electrode, wherein, in the pad area, the insulation layer includes a groove having a depth, the pad electrode being in the groove.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwui-Hyun Park, Chulwon Park, Pil Soon Hong, Hyunjin Son
  • Publication number: 20220173156
    Abstract: A display device includes a first via layer on a substrate and including trench parts recessed from an upper surface of the first via layer, a first electrode and a second electrode on the first via layer and spaced apart from each other, a second via layer on the first via layer and including first openings partially exposing the first electrode, and a second opening partially exposing the second electrode, light emitting elements in the first openings of the second via layer and extending in a direction, and a third electrode on the second via layer. Each of the light emitting elements includes a first end electrically connected to the first electrode and a second end electrically connected to the third electrode such that the extending direction of the light emitting elements is not parallel to an upper surface of the substrate.
    Type: Application
    Filed: September 14, 2021
    Publication date: June 2, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Chul Won PARK, Koichi SUGITANI, Gwui Hyun PARK, Sae Hee HAN, Pil Soon HONG
  • Publication number: 20220130868
    Abstract: A display device and a method of manufacturing a display device are provided. An embodiment of a display device includes a substrate; a first conductive layer disposed on the substrate; a first insulating layer disposed on the first conductive layer; a second conductive layer connected to the first conductive layer through a first contact hole in the first insulating layer; a second insulating layer filling an inside of the first contact hole; and a third insulating layer disposed on the second conductive layer and the second insulating layer. The first insulating layer includes a first region that overlaps the second conductive layer and a second region that does not overlap the second conductive layer, and a top surface of the first region of the first insulating layer is positioned higher than a top surface of the second region of the first insulating layer.
    Type: Application
    Filed: August 9, 2021
    Publication date: April 28, 2022
    Inventors: Koichi SUGITANI, Hye In KIM, Gwui Hyun PARK, Chul Won PARK, Pil Soon HONG
  • Publication number: 20220115489
    Abstract: A display device includes a first light emitting element in a first display area, a first pixel circuit in a first non-display area spaced from the first display area and connected to the first light emitting element, an insulating layer covering the first pixel circuit, a metal wiring on the insulating layer, connected to the first pixel circuit, and extending from the first non-display area to a second non-display area between the first display area and the first non-display area, and a transparent wiring on the insulating layer, connecting the first light emitting element and the metal wiring, and extending from the first display area to a surface of the metal wiring, where a trench is defined in a surface of the insulating layer in the second non-display area, and the metal wiring is in the trench in the second non-display area.
    Type: Application
    Filed: June 24, 2021
    Publication date: April 14, 2022
    Inventors: GWUI-HYUN PARK, KOICHI SUGITANI, HYE IN KIM, CHULWON PARK, PIL SOON HONG
  • Publication number: 20210183988
    Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 17, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Gwui-Hyun PARK, Chul Won PARK, Pil Soon HONG, Bo Geon JEON
  • Patent number: 10978668
    Abstract: An organic light emitting diode (OLED) display includes a first substrate, a second substrate facing the first substrate, a sealing member interposed between the first substrate and the second substrate, the sealing member including a siloxane material, a semiconductor layer on the first substrate, a planarization layer on the semiconductor layer, and a barrier rib on the planarization layer. The planarization layer or the barrier rib may also include the siloxane material.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwui-Hyun Park, Pil Soon Hong, Chul Won Park, Jeong Min Park, Hyun Jin Son
  • Patent number: 10964769
    Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwui-Hyun Park, Chul Won Park, Pil Soon Hong, Bo Geon Jeon
  • Patent number: 10916728
    Abstract: A display device includes: a substrate including a display area and a non-display area around the display area; a light-emitting element disposed in the display area; an encapsulating layer sealing the light-emitting element; and a dam disposed in the non-display area. The dam includes a first layer and a second layer on the first layer, the first layer includes a first portion with a first height and a second portion with a second height that is less than the first height, and the second layer covers a lateral surface of the first portion.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: February 9, 2021
    Inventors: Gwui-Hyun Park, Jin Seock Kim, Pil Soon Hong, Chui Won Park