Patents by Inventor Hyun-Eok Shin

Hyun-Eok Shin 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: 20240243138
    Abstract: A display device according to an embodiment includes a transistor disposed on a substrate, a first conductive layer electrically connected to the transistor, a first metal layer electrically connected to the first conductive layer, a first electrode electrically connected to the first metal layer, and an emission layer electrically connected to the first electrode. The first metal layer includes a first layer including Zn-ITO, a second layer including Ag, and a third layer including Zn-ITO.
    Type: Application
    Filed: November 27, 2023
    Publication date: July 18, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Eok SHIN, Joon Yong PARK
  • Publication number: 20240243231
    Abstract: A display device includes electrodes spaced apart from each other, a first insulating layer disposed on the electrodes, a light emitting element disposed on the first insulating layer, and a connection electrode contacting the light emitting element on the light emitting element. The electrodes include a first electrode layer, a second electrode layer, and a third electrode layer. The first electrode layer, the second electrode layer, and the third electrode layer are sequentially stacked. A surface of the second electrode layer includes an Al—Ni—Cu precipitate. The connection electrode contacts the surface of the second electrode layer through a contact hole formed in the third electrode layer.
    Type: Application
    Filed: September 7, 2023
    Publication date: July 18, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Su Kyoung YANG
  • Publication number: 20240237412
    Abstract: A display device includes first and second pixel electrodes on a substrate to be spaced apart from each other, an inorganic insulating layer on the substrate to partially cover the first pixel electrode and the second pixel electrode, a bank structure on the inorganic insulating layer, where first and second openings overlapping the first and second pixel electrodes are defined through the bank structure, first and second light emitting layers on the first and second pixel electrodes, and first and second common electrodes on the first and second light emitting layers. The bank structure includes first and second bank layers and including different organic insulating materials from each other, the second bank layer has different thicknesses depending on positions thereof, the second bank layer includes tips protruding more than side surfaces of the first bank layer defining the first and second openings, and the first bank layer includes AlNiLaCu.
    Type: Application
    Filed: July 21, 2023
    Publication date: July 11, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Dong Min LEE
  • Publication number: 20240234636
    Abstract: A display device including a substrate, and a first light emitting element, a second light emitting element, and a third light emitting element that are disposed on the substrate, each of the light emitting elements includes a first electrode, a light emitting layer, and a second electrode, the first electrode has a first metal layer, at least one inorganic layer, at least one etch stop layer, and a second metal layer stacked on each other, and a thickness of the first electrode of the first light emitting element is different from a thickness of the first electrode of the second light emitting element.
    Type: Application
    Filed: November 6, 2023
    Publication date: July 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Ju Hyun LEE
  • Publication number: 20240224761
    Abstract: A display device includes a first pixel electrode disposed in a first emission area on a substrate, an insulating layer covering an edge of the first pixel electrode, a first emissive layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first emissive layer, a bank disposed on the insulating layer to surround the first emission area, a low-reflection insulating layer disposed on the bank, a first organic pattern surrounding the first emission area on the low-reflection insulating layer and including a same material as a material of the first emissive layer. The bank includes a first bank disposed on the insulating layer and contacts the first common electrode, a second bank disposed on the first bank, a third bank disposed on the second bank, and a fourth bank disposed on the third bank. The first to fourth banks include metal materials.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 4, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Ju Hyun LEE, Yung Bin CHUNG
  • Publication number: 20240215305
    Abstract: A display device includes a first pixel electrode in a first emission area, an insulating layer covering an edge of the first pixel electrode, a first light-emitting layer on the first pixel electrode and the insulating layer, a first common electrode on the first light-emitting layer, a bank disposed on the insulating layer and surrounding the first emission area, and a first organic pattern surrounding the first emission area on the bank and including the same material as that of the first light-emitting layer. The bank includes a first bank contacting the first common electrode, a second bank disposed on the first bank and including a tip structure protruding toward the first emission area, and a third bank disposed on the second bank and having low reflection characteristics.
    Type: Application
    Filed: October 2, 2023
    Publication date: June 27, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK
  • Publication number: 20240215323
    Abstract: A display device includes a first pixel electrode disposed on a substrate; an inorganic insulating layer disposed on the substrate; a bank structure disposed on the inorganic insulating layer and including a first opening, which overlap with the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode; and a first common electrode disposed on the first light-emitting layer. The bank structure includes a first bank layer, which is disposed directly on the inorganic insulating layer and includes MoTaOx, a second bank layer, which is disposed on the first bank layer and includes MoTaOx, and a third bank layer, which is disposed between the first bank layer and the second bank layer and includes copper (Cu). The second bank layer includes tips, which protrude beyond the third bank layer, on a sidewall of the first opening, and the first and second bank layers include different Ta contents.
    Type: Application
    Filed: September 21, 2023
    Publication date: June 27, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Ju Hyun LEE
  • Publication number: 20240215380
    Abstract: A display device includes: a first pixel electrode disposed in a first emission area on a substrate and formed as multiple layers, an insulating layer covering an edge of the first pixel electrode, a first light emitting layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first light emitting layer, a bank disposed on the insulating layer and surrounding the first emission area, and a first thin-film pattern disposed on the insulating layer and the bank in an adjacent area to the first emission area. An uppermost layer of the first pixel electrode and the first thin-film pattern include the same material.
    Type: Application
    Filed: October 2, 2023
    Publication date: June 27, 2024
    Inventors: Hyun Eok SHIN, Sung Joo KWON
  • Publication number: 20240206298
    Abstract: The present disclosure relates to a display device, and the display device includes: a substrate; a light-emitting element disposed on the substrate and including an emission layer; and a light controller disposed on the light-emitting element, in which the light controller includes: a plurality of light blocking parts extending in a first direction and spaced apart along a second direction crossing the first direction; and a transparent organic layer disposed between the plurality of light blocking parts, each of the plurality of light blocking parts includes at least one light absorption layer and at least one compensation layer alternately stacked along a thickness direction of the substrate, and the at least one light absorption layer has a compressive stress and the at least one compensation layer has a tensile stress.
    Type: Application
    Filed: September 21, 2023
    Publication date: June 20, 2024
    Inventors: Hyun Eok SHIN, Ju Hyun LEE, Yu-Gwang JEONG
  • Publication number: 20240154079
    Abstract: A display device includes a first electrode and a second electrode that are disposed on a substrate and spaced apart from each other. A light emitting element is disposed between the first electrode and the second electrode. A first pixel electrode is disposed on the first electrode, and is electrically connected to a first end portion of the light emitting element and the first electrode. A second pixel electrode is disposed on the second electrode, and is electrically connected to a second end portion of the light emitting element. Each of the first electrode and the second electrode includes a multi-layer structure including a first layer and a second layer disposed on the first layer. The first layer includes a metal reflecting light. The second layer includes tungsten oxide.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun Eok SHIN, Ju Hyun LEE, Sung Joo KWON, Joon Yong PARK
  • Publication number: 20240147768
    Abstract: A pixel includes: a via layer disposed on a substrate; a first electrode disposed on the via layer; a pixel defining layer disposed on the first electrode, the pixel defining layer including an opening exposing a portion of the first electrode; an emission layer disposed on the portion of the first electrode and the pixel defining layer; and a second electrode disposed on the emission layer. The first electrode includes a first layer disposed on the via layer and a second layer disposed between the first layer and the pixel defining layer. The first layer includes a plurality of sub-insulating layers, each of the plurality of sub-insulating layers including a first sub-layer and a second sub-layer that are sequentially stacked. The first sub-layer and the second sub-layer have different refractive indices.
    Type: Application
    Filed: June 14, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye HAN, Hyun Eok SHIN, Chul Min BAE
  • Publication number: 20240147820
    Abstract: A display device includes: a display panel having a display area and a non-display area; and a viewing angle control layer in the display area. The viewing angle control layer includes a plurality of viewing angle control patterns spaced apart from one another, and each of the viewing angle control patterns includes a transparent insulating pattern and a multi-layer sidewall on a side surface of the transparent insulating pattern. The multi-layer sidewall includes a first metal nitride layer, a second metal nitride layer, and a metal layer between the first metal nitride layer and the second metal nitride layer, and the first metal nitride layer, the second metal nitride layer, and the metal layer each includes Al or Ti.
    Type: Application
    Filed: July 14, 2023
    Publication date: May 2, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK
  • Publication number: 20240138194
    Abstract: A display device includes first and second pixel electrodes on a substrate to be spaced apart from each other, an inorganic insulating layer on the substrate to partially cover the first pixel electrode and the second pixel electrode, a bank structure on the inorganic insulating layer, where first and second openings overlapping the first and second pixel electrodes are defined through the bank structure, first and second light emitting layers on the first and second pixel electrodes, and first and second common electrodes on the first and second light emitting layers. The bank structure includes first and second bank layers and including different organic insulating materials from each other, the second bank layer has different thicknesses depending on positions thereof, the second bank layer includes tips protruding more than side surfaces of the first bank layer defining the first and second openings, and the first bank layer includes AlNiLaCu.
    Type: Application
    Filed: July 20, 2023
    Publication date: April 25, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Dong Min LEE
  • Publication number: 20240121996
    Abstract: A display device is provided. The display device includes a substrate including a display area and a pad area, which is disposed on one side of the display area, a plurality of conductive layers disposed on the substrate, in the display area and the pad area, a passivation layer disposed on the conductive layers, and a plurality of light-emitting elements disposed on the passivation layer, in the display area, and spaced apart from one another, wherein at least one of the conductive layers includes a first metal layer, a second metal layer, which is disposed on the first metal layer, and a third metal layer, which is disposed on the second metal layer, the first metal layer includes vanadium (V), the second metal layer includes aluminum (Al) or an Al alloy, and the third metal layer includes V or titanium (Ti).
    Type: Application
    Filed: July 31, 2023
    Publication date: April 11, 2024
    Inventors: Hyun Eok SHIN, Sang Gab KIM, Joon Yong PARK, Do Keun SONG, Su Kyoung YANG, Dong Min LEE
  • Publication number: 20240122031
    Abstract: A display device include first and second pixel electrodes apart from each other on a substrate, an inorganic insulating layer in part on the first and second pixel electrodes, a bank structure on the inorganic insulating layer with first and second openings defined therethrough to overlap the first and second pixel electrodes, an auxiliary layer on the first and second pixel electrodes in the first and second openings, first and second light-emitting layers on the auxiliary layer on the first and second pixel electrodes, first and second common electrodes on the first and second light-emitting layers, and an auxiliary layer pattern on the bank structure around the first and second openings. The bank structure includes first and second bank layers including different metal materials, and the second bank layer includes tips protruding from side surfaces of the first bank layer defining the first and second openings.
    Type: Application
    Filed: July 4, 2023
    Publication date: April 11, 2024
    Inventors: Hyun Eok SHIN, Sung Joo KWON, Ju Hyun LEE
  • Publication number: 20240114726
    Abstract: A display device includes first and second pixel electrodes on a substrate and spaced apart from each other, an inorganic insulating layer on the substrate and including portions on the first and second pixel electrodes, a bank structure on the inorganic insulating layer with first and second openings overlapping the first and second pixel electrodes, first and second light emitting layers on the first and second pixel electrodes, and first and second common electrodes on the first and second light emitting layers. The bank structure includes a first bank layer, a second bank layer on the first bank layer and including a different metal material from the first bank layer, and a third bank layer on the second bank layer and including an oxide semiconductor layer, and each of the second bank layer and the third bank layer includes a tip on sidewalls defining the first and second openings.
    Type: Application
    Filed: July 5, 2023
    Publication date: April 4, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Dong Min LEE
  • Publication number: 20240105899
    Abstract: A method of manufacturing a display device includes aligning light emitting elements in an emission area on a substrate, depositing an indium-tin alloy on an entire surface of the substrate at room temperature, heat-treating the indium-tin alloy to reflow along side surfaces of each of the light emitting elements, heat-treating the indium-tin alloy in an oxygen atmosphere to form indium tin oxide, and etching the indium tin oxide to form a first pixel electrode contacting first ends of at least a portion of the light emitting elements.
    Type: Application
    Filed: September 25, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Sung Joo KWON, Sam Tae JEONG
  • Publication number: 20240071757
    Abstract: A method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Applicants: Samsung Display Co., LTD., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Mann Ho CHO, Kwang Sik JEONG, Hyeon Sik KIM, Hyun Eok SHIN, Byung Soo SO, Ju Hyun LEE
  • Patent number: 11910659
    Abstract: A display device is provided. A display device includes a non-display area where no image is displayed, and a display area where images are displayed, and including a first area and a second area having different light transmittances, and a first pixel and a second pixel, wherein a transistor and an anode electrode of the first pixel are in the first area, wherein an anode electrode of the second pixel is in the second area, and a transistor of the second pixel is outside the second area, wherein the anode electrode and the transistor of the second pixel are electrically connected by a connection line, and wherein at least a part of the connection line is in at least one of the first area and the second area, and is covered by an anti-reflection layer.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyung Min Baek, Ju Hyun Lee, Tae Wook Kang, Hyun Eok Shin
  • Publication number: 20240057410
    Abstract: A display device includes a substrate including a flat area and a trench area, which is recessed from the flat area; an electrode pattern disposed on the substrate, where the electrode pattern includes a dent portion, which is bent along a profile of the trench area of the substrate; a planarization layer inserted in the dent portion; a first insulating layer covering the substrate, the electrode pattern, and the planarization layer; and a light-emitting element disposed on the first insulating layer, where the planarization layer includes an organic-inorganic composite material.
    Type: Application
    Filed: April 6, 2023
    Publication date: February 15, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Joon Woo BAE, Do Keun SONG, Yung Bin CHUNG