Patents by Inventor Seung-Yong Song

Seung-Yong 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: 20250143092
    Abstract: A display device includes a substrate including an emission area including first and second emission portions, and a non-emission area between the first and second emission portions; a first light-emitting member including a first display element on the first emission portion of the substrate; a first thin-film encapsulation layer on the first light-emitting member; and a second light-emitting member on the first thin-film encapsulation layer and including a second display element overlapping the second emission portion, wherein the first light-emitting member includes a first pixel-defining layer defining a first opening; and a bank member on the first pixel-defining layer and including a first bank layer and a second bank layer, the second display element overlaps the first pixel-defining layer and the bank member in a direction perpendicular to the substrate, and the second display element is in contact with the second bank layer in a direction toward the substrate.
    Type: Application
    Filed: July 2, 2024
    Publication date: May 1, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Woo Yong SUNG, Seung Yong SONG, Hee Jun YANG, Jeong Seok LEE
  • Publication number: 20250143141
    Abstract: A display device includes a non-light emitting area between first and second light emitting portions; a first light emitting structure including a first display element on the first light emitting portion; a first thin film encapsulation layer on the first light emitting structure; and a second light emitting structure on the first thin film encapsulation layer and including a second display element overlapping the second light emitting portion. The first light emitting structure includes a first pixel defining layer defining a first opening and a bank structure on the first pixel defining layer and including first and second bank layers. The second bank layer includes a tip that protrudes toward the first light emitting portion more than a side surface of the first bank layer. The second display element overlaps the first pixel defining layer and contacts the second bank layer.
    Type: Application
    Filed: June 12, 2024
    Publication date: May 1, 2025
    Inventors: Woo Yong SUNG, Seung Yong SONG, Hee Jun YANG, Jeong Seok LEE
  • Publication number: 20250133887
    Abstract: A display device includes a display panel including a display area and a non-display area adjacent to a side of the display area, and a residue trace disposed on the display panel, and disposed on the display area and the non-display area, wherein an outer boundary of the residue trace is adjacent to an edge portion of the display panel, and disposed to be closer to a center portion of the display panel than the edge portion of the display panel.
    Type: Application
    Filed: June 21, 2024
    Publication date: April 24, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Wook KWON, Hyo Young MUN, Sun Hwa KIM, Seung Yong SONG, Chang Woo SHIM, Sang Tae AHN, Yi Seul UM, Hee Chang YOON, Seung Yeon CHAE
  • Publication number: 20250129196
    Abstract: A photocurable composition includes: a photocurable oligomer; a photocurable monomer including a monofunctional (metha)acrylate monomer and a polyfunctional (metha)acrylate monomer; a functional raw material including an antioxidant and a surface additive; and a photoinitiator. The photocurable oligomer may include at least one of (metha)acrylate, polyester-based (metha)acrylate, epoxy (metha)acrylate, or urethane (metha)acrylate. The photocurable oligomer may be included in an amount of about 15 wt % to about 25 wt %, based on a total weight of the photocurable composition, and have a weight-average molecular weight of about 500 g/mol to about 10000 g/mol.
    Type: Application
    Filed: August 6, 2024
    Publication date: April 24, 2025
    Inventors: Hee Chang YOON, Seung Wook KWON, Hyo Jeong KWON, Hyeon Jun SEONG, Joo Han WOO, Hae Sim YOON, Kwang Deok LEE, Sung Min HA, Woo Yong SUNG, Seung Yong SONG, Seung Yeon CHAE
  • Publication number: 20250107338
    Abstract: A display device includes a substrate having a light emitting area and a non-light emitting area; a first anode electrode on the light emitting area of the substrate; a pixel defining layer on the non-light emitting area of the substrate and defining a first opening; an organic separator layer on the pixel defining layer and defining a second opening; a first light emitting layer on the first anode electrode; a common electron layer on the first light emitting layer and the organic separator layer; and a common electrode on the common electron layer, wherein the organic separator layer does not overlap the light emitting area, and overlaps the non-light emitting area to be in contact with the pixel defining layer, the first light emitting layer, and the common electron layer.
    Type: Application
    Filed: May 16, 2024
    Publication date: March 27, 2025
    Inventors: Hyun Eok SHIN, Keun Woo KIM, Byung Soo SO, Seung Yong SONG, Ju Hyun LEE, Sung Soon IM, Keun Ho JANG, In Young JUNG
  • Publication number: 20250089530
    Abstract: A display device includes: a substrate including a flat portion and a bending portion disposed on a side of the flat portion; a light emitting element layer disposed on the substrate and including light emitting elements disposed in the flat portion and the bending portion; and an encapsulation layer disposed over the flat portion and the bending portion and including a first inorganic encapsulation layer disposed on the light emitting element layer, an organic encapsulation layer disposed on the first inorganic encapsulation layer, and a second inorganic encapsulation layer disposed on the organic encapsulation layer. At least a portion of the organic encapsulation layer disposed in the bending portion includes a portion protruding in a direction upward from the substrate, and a maximum height of the organic encapsulation layer disposed in the bending portion is greater than a maximum height of the organic encapsulation layer disposed in the flat portion.
    Type: Application
    Filed: June 4, 2024
    Publication date: March 13, 2025
    Inventors: Oh June KWON, Woo Yong SUNG, Seung Yong SONG
  • Publication number: 20250078708
    Abstract: A display device includes a display panel including a folding area, and a display driving circuit which drives image display pixels of the display panel, where the display panel includes a display layer, in which the image display pixels are disposed, an elasticity control layer disposed on the display layer and having an area corresponding to the area of the folding area, and a touch sensing unit disposed on the elasticity control layer to detect a user's touch.
    Type: Application
    Filed: April 16, 2024
    Publication date: March 6, 2025
    Inventors: Oh June KWON, Woo Yong SUNG, Seung Yong SONG
  • Publication number: 20250058560
    Abstract: An inkjet printing system includes: an inkjet head unit including a nozzle for discharging ink, a driving unit for generating and outputting a driving voltage for discharging the ink from the nozzle, a first impedance adjusting unit disposed between an input terminal of the inkjet head unit and an output terminal of the driving unit and including a diode, and a self-sensing circuit unit that is connected to the input terminal of the inkjet head unit and receives a self-sensing voltage from the nozzle to determine whether the nozzle is operating normally.
    Type: Application
    Filed: May 16, 2024
    Publication date: February 20, 2025
    Inventors: Junghan SEO, Kye Si KWON, Woo Yong SUNG, Seung Yong SONG, Jeongyeop JO, Jinsol LEE
  • Publication number: 20250040375
    Abstract: A display device may include: a connection pattern and a dummy pattern disposed to be spaced apart from each other on a substrate; a via layer on the substrate; a pixel electrode on the via layer and electrically connected to the connection pattern; a light emitting layer disposed on the pixel electrode; a control layer disposed on the light emitting layer; and a common electrode disposed on the control layer. The dummy pattern may include a first conductive layer, a second conductive layer, a third conductive layer, a fourth conductive layer, and a fifth conductive layer sequentially disposed. The first conductive layer, the third conductive layer, and the fifth conductive layer may include the same material. The second conductive layer and the fourth conductive layer may include the same material. The first, third, fifth conductive layers and the second and fourth conductive layers may include different materials.
    Type: Application
    Filed: July 22, 2024
    Publication date: January 30, 2025
    Inventors: Hwi KIM, Hye Jin GWARK, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20250040374
    Abstract: The display device includes a connection pattern and a dummy pattern spaced apart from each other on a substrate; a via layer on the substrate; a pixel electrode on the via layer and electrically connected to the connection pattern; a light emitting layer on the pixel electrode; a control layer on the light emitting layer; and a common electrode on the control layer. The dummy pattern may include a first dummy pattern and a second dummy pattern disposed on the first dummy pattern. The first dummy pattern may include a first layer, a second layer, and a third layer each of which is made of a conductive material and is sequentially stacked. The second dummy pattern may include an organic pattern including a first portion and a second portion having different areas in a plan view.
    Type: Application
    Filed: July 19, 2024
    Publication date: January 30, 2025
    Inventors: Hwi KIM, Hye Jin GWARK, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE
  • Patent number: 12213373
    Abstract: A display device includes: a flexible substrate having a first surface and a second surface opposite to the first surface, where the flexible substrate includes an upper surface portion extending along a first direction, a first bent portion connected to the upper surface portion, a first side portion connected to the first bent portion, a second bent portion connected to the first side portion, a second side portion connected to the second bent portion, a third bent portion connected to the second side portion, and a lower surface portion connected to the third bent portion; and a support member disposed on the second surface of the flexible substrate, where a portion of the support member disposed to overlap the second bent portion has a thickness less than a thickness of a portion disposed on the first side portion and a thickness of a portion disposed on the second side portion.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh June Kwon, Seung Yong Song, Won Woo Choi
  • Publication number: 20250031552
    Abstract: A display device includes a first pixel electrode disposed on a substrate; a pixel defining layer disposed on the substrate and exposing the first pixel electrode; a first light emitting layer disposed on the first pixel electrode; a first common electrode disposed on the first light emitting layer; a first bank layer disposed on the pixel defining layer; a second bank layer disposed on the first bank layer and having side surfaces protruding more than side surfaces of the first bank layer; a first inorganic layer disposed on the first common electrode and the second bank layer and spaced apart from an upper surface of the second bank layer; and a first filler disposed between the second bank layer and the first inorganic layer and including a material different from a material of the first light emitting layer.
    Type: Application
    Filed: February 22, 2024
    Publication date: January 23, 2025
    Inventors: Jeong Seok LEE, Woo Yong SUNG, Hee Jun YANG, Seung Yong SONG
  • Patent number: 12167669
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Grant
    Filed: November 24, 2023
    Date of Patent: December 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Sik Kim, Jae Ik Kim, Jung Sun Park, Seung Yong Song, Duck Jung Lee, Yeon Hwa Lee, Joon Gu Lee, Kyu Hwan Hwang
  • Publication number: 20240381735
    Abstract: A display device includes a base layer that includes a first area and a second area, a light-emitting-element layer disposed on the base layer and that includes a light emitting element in the first area, an encapsulation layer disposed on the light-emitting-element layer, an organic insulating layer disposed on the encapsulation layer, where holes are formed in the organic insulating layer, an inorganic insulating layer disposed on the organic insulating layer, and touch electrodes disposed on the inorganic insulating layer.
    Type: Application
    Filed: November 30, 2023
    Publication date: November 14, 2024
    Inventors: Woo Yong SUNG, Seung Yong SONG
  • Patent number: 12065735
    Abstract: Provided is a vapor deposition apparatus including a first injection unit injecting a first raw gas in a first direction and a first filter unit mounted on the first injection unit. The first filter unit includes a plurality of plates separated from one another in the first direction and disposed in parallel to one another, each of the plurality of plates having holes therein, being detachably coupled with the first filter unit, and having the holes with sizes of horizontal cross-sections gradually increasing in a direction in which the first raw gas moves. Accordingly, a process efficiency of the vapor deposition apparatus may be enhanced.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choel-Min Jang, Jin-Kwang Kim, Sung-Chul Kim, Jae-Hyun Kim, Seung-Yong Song, Suk-Won Jung, Myung-Soo Huh
  • Publication number: 20240260360
    Abstract: A display device includes: a pixel circuit layer including a base layer, a pixel circuit, and a passivation layer including a well area and a protrusion area; and a light-emitting-element layer disposed on the pixel circuit layer, and including a light emitting element, and a connecting electrode, the light emitting element including a first electrode, a second electrode, and an emission part. The connecting electrode is disposed in the protrusion area, and at least a portion of the connecting electrode overlaps the well area and does not contact the passivation layer. The emission part includes a hole layer, an electron layer, and an emission layer. The hole layer connects the first electrode and the emission layer. The electron layer connects the second electrode and the emission layer. Each of the hole layer and the second electrode has an end portion on the connecting electrode.
    Type: Application
    Filed: November 28, 2023
    Publication date: August 1, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Duck Jung LEE, Hye Jin GWARK, Jae Ik KIM, Hwi KIM, Jung Sun PARK, Seung Yong SONG, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20240237486
    Abstract: A display device includes a substrate including a display area and a non-display area; a light-emitting array layer; an encapsulation structure; pads disposed in a pad area which is a part of the non-display area on the substrate; a dam structure disposed in the non-display area on the substrate and surrounding an edge of the display area; an encapsulation auxiliary structure corresponding to another part of the non-display area except the pad area, surrounding a part of an edge of the display area, and disposed between the dam structure and an edge of the substrate; and a first multilayer disposed between the substrate and each of the dam structure and the encapsulation auxiliary structure, and including an undercut structure by two or more different metal materials which are stacked.
    Type: Application
    Filed: July 21, 2023
    Publication date: July 11, 2024
    Inventors: Woo Yong SUNG, Seung Yong SONG, Jeong Seok LEE
  • Publication number: 20240237395
    Abstract: An organic light emitting display device including a light extraction reduction preventing layer disposed between a display unit disposed on a substrate and an encapsulation layer for protecting the display unit, which improves light emission efficiency by reducing an amount of light dissipating while light generated from an emission layer of the display unit is extracted to the outside.
    Type: Application
    Filed: January 8, 2024
    Publication date: July 11, 2024
    Inventor: Seung-Yong SONG
  • Publication number: 20240206280
    Abstract: The present disclosure relates to a display device and a method for manufacturing the same. A display device, according to an embodiment, includes: a substrate; a thin film transistor on the substrate; a first electrode connected to the thin film transistor; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The second electrode includes a metal material and a graphene material that are mixed.
    Type: Application
    Filed: November 27, 2023
    Publication date: June 20, 2024
    Inventors: Seung Hun KIM, Jeong Seok LEE, WOOCHEOL PARK, Seung Yong SONG, Hee Jun YANG, Kwan Hyuck YOON, CHANGHEE LEE
  • Patent number: 11997913
    Abstract: A deposition mask for making a display device, the deposition mask includes: a frame including a first opening; a first member disposed above the first opening of the frame and including a first portion surrounding at least one second opening and a second portion disposed in the second opening and physically separated from the first portion; and a second member disposed on the first member and including a first connecting portion connected to the frame and a second mesh portion overlapping the second portion.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: May 28, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Ho Moon, Jin Oh Kwag, Seung Yong Song, Duck Jung Lee, Seul Lee, Sung Soon Im