Patents by Inventor Woo Yong Sung

Woo Yong Sung 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: 20220255034
    Abstract: A display device includes: a window; a display panel comprising a first display area and a second display area having a pixel density less than that of the first display area, the display panel being under the window; a protective layer under the display panel; and a lower layer in which a first opening corresponding to the second display area is defined and which is under the protective layer, wherein a portion of the protective layer, which corresponds to the second display area, has a haze of 4% or less, a wavefront peak valley value of 0.05 or more and 2.00 or less, a wavefront root mean square value of 0.01 or more and 0.40 or less.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 11, 2022
    Inventors: JEONGSEOK LEE, SEUNGWOOK KWON, SEHOON JEONG, WOO YONG SUNG, SEUNGYONG SONG
  • Publication number: 20220246878
    Abstract: A display device includes a front area, a side area, a display panel, and a protective element. The side area peripheral to sides of the front area. The display panel includes a flat surface in the front area and a curved surface in the side area. The protective element is disposed on a lower surface of the display panel. The protective element has different thicknesses in the front area and the side area.
    Type: Application
    Filed: November 8, 2021
    Publication date: August 4, 2022
    Inventors: Woo Yong Sung, Jeongseok Lee, Sehoon Jeong
  • Patent number: 11398609
    Abstract: A display device includes a display panel including a main area, a bending area at which the display panel is bendable, and a sub area, in order. The main area includes a display area and a non-display area which is adjacent to the display area. The bending area connects the sub area to the main area at the non-display area thereof, and is recessed from outer side surfaces of the main area and the sub area, to define a recess portion of the display panel at the bending area.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: July 26, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Wook Kwon, Jeong Seok Lee, Chan Ho Moon, Woo Yong Sung
  • Patent number: 11380878
    Abstract: A method for manufacturing the display device includes preparing a display panel on which a folding area folded with reference to a virtual folding axis and first and second non-folding areas, which are adjacent to both sides of the folding area, are defined and which displays an image, providing a resin on a first surface of the display panel, primarily hardening the resin, and secondarily hardening first and second resin areas of the resin, which respectively correspond to the first non-folding area and the second non-folding area of the display panel.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: July 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wonwoo Choi, Woo Yong Sung
  • Publication number: 20220208900
    Abstract: A display device includes a via layer disposed on a substrate and including a via groove having a shape recessed from a first surface to a second surface of the via layer. A first electrode is disposed on the first surface. A pixel-defining film is disposed on the via layer and the first electrode. A first pixel-defining film through-hole passes through the pixel-defining film in a thickness direction and exposes the first electrode. A second pixel-defining film through-hole passes through the pixel-defining film in the thickness direction. The second pixel-defining film through-hole is spaced apart from the first pixel-defining film through-hole and overlaps the via groove. An emission layer is disposed on an exposed portion of the first electrode. A protrusion is disposed on the pixel-defining film and includes a protrusion through-hole which passes through the protrusion in the thickness direction and overlaps the second pixel-defining film through-hole.
    Type: Application
    Filed: September 22, 2021
    Publication date: June 30, 2022
    Inventors: Oh June KWON, Woo Yong SUNG, Chan Ho MOON, Jung Han SEO, Sung Hoon YANG
  • Publication number: 20220165985
    Abstract: A manufacturing method includes preparing a substrate, forming at least one groove in the substrate, forming an oxidation resistant film on an inner wall of the groove, and forming a first inorganic layer on the substrate and the oxidation resistant film is formed between the substrate and the first inorganic layer.
    Type: Application
    Filed: October 7, 2021
    Publication date: May 26, 2022
    Inventors: WOO YONG SUNG, JUNGHAN SEO, SEUNGYONG SONG, SANGGAB KIM
  • Publication number: 20220165982
    Abstract: A display device including a transmissive area and a light emitting area surrounding the transmissive area includes a first substrate, a barrier layer disposed on the first substrate and including an inorganic material, a second substrate disposed on the barrier layer and including an opening overlapping the transmissive area, a light emitting element disposed on the second substrate and overlapping the light emitting area and an encapsulation layer covering the light emitting element and contacting the barrier layer in the transmissive area.
    Type: Application
    Filed: July 8, 2021
    Publication date: May 26, 2022
    Inventors: WOO YONG SUNG, SEUNGYONG SONG, UNG-SOO LEE, SEUNG-YEON CHAE
  • Publication number: 20220165820
    Abstract: A display device according to an embodiment of the present invention may include a substrate including a display area and a pad area located on one side of the display area, a pad electrode disposed in the pad area on the substrate, a protective insulating layer disposed on the substrate and the pad electrode to expose at least a part of a top surface of the pad electrode, an inorganic encapsulation layer disposed on the protective insulating layer, and a conductive layer disposed in the pad area between an end of the inorganic encapsulation layer adjacent to the pad electrode and the protective insulating layer.
    Type: Application
    Filed: July 13, 2021
    Publication date: May 26, 2022
    Inventors: Sooyoun Kim, Woo Yong Sung
  • Publication number: 20220158125
    Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. A dam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Inventors: OH June Kwon, IL Sang Lee, Doo Hwan Kim, Woo Yong Sung, Min Sang Kim, Jin Hwan Jeon, Seung Yong Song
  • Publication number: 20220149126
    Abstract: A display device includes a first electrode disposed on a substrate, a pixel defining layer exposing at least a part of the first electrode and disposed on the substrate, a light emitting layer disposed on the first electrode, a second electrode disposed on the light emitting layer, and an encapsulation layer disposed on the second electrode, wherein the pixel defining layer includes an overlapping area overlapping the first electrode and a non-overlapping area not overlapping the first electrode, the overlapping area includes a first overlapping area spaced apart from the first electrode and facing the first electrode, and the encapsulation layer is at least partially disposed in a space between the first electrode and the pixel defining layer in the first overlapping area.
    Type: Application
    Filed: September 9, 2021
    Publication date: May 12, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Woo Yong SUNG, Chan Ho MOON, Jung Han SEO, Seung Yong SONG
  • Publication number: 20220140285
    Abstract: A display device includes: a substrate including a first flat area, a second flat area, and a bending area between the first flat area and the second flat area; a display unit overlapping the first flat area and disposed on a surface of the substrate; first and second protection layers on an opposing surface of the substrate and overlapping the first and second flat areas, respectively. The first and second protection layers include a hardening member including a photo-hardening resin, the first protection layer includes a first inclination part at an end, the second protection layer includes a second inclination part at an end, the first inclination part has a first inclination angle with the opposing surface, the second inclination part has a second inclination angle with the opposing surface, and the first and second inclination angles are in a range of about 10 degrees to about 90 degrees.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 5, 2022
    Inventors: Seung Wook KWON, Woo Yong SUNG, Ung-Soo LEE
  • Publication number: 20220139962
    Abstract: A display device includes a substrate including a first surface and a second surface, pixels and first lines disposed on the first surface of the substrate, a first protective layer disposed on the second surface of the substrate and overlapping the pixels and the first lines, via holes penetrating the substrate and the first protective layer and exposing an area of each of the first lines, second lines disposed on a surface of the first protective layer and electrically connected to the first lines through the via holes, respectively, and pads disposed on the surface of the first protective layer and electrically connected to the second lines, respectively. The first protective layer includes openings corresponding to the via holes and also includes a photoresist material.
    Type: Application
    Filed: July 8, 2021
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Se Hoon JEONG, Seung Yong SONG, Seung Wook KWON, Woo Yong SUNG, Jeong Seok LEE
  • Publication number: 20220123256
    Abstract: A display device includes: a substrate including a display area, the display area including a front area and a corner area disposed at a corner of the display area; a main dam disposed between the front area and the corner area; and a plurality of corner dams disposed in the corner area. The corner area may include a plurality of stripe areas defined by the plurality of corner dams. The plurality of corner dams extend from the main dam and is disposed along an edge of the plurality of stripe areas.
    Type: Application
    Filed: May 18, 2021
    Publication date: April 21, 2022
    Inventors: Jin Ho HYUN, Hyoung Sub LEE, Hye Min LEE, Woo Yong SUNG
  • Publication number: 20220093677
    Abstract: A display device includes a display layer including pixels each including at least one transistor, a connection wiring electrically connected to the at least one transistor and exposed to a lower surface of the display layer through a first contact hole in the display layer, a base member disposed under the display layer and including a first hole exposing the connection wiring exposed to the lower surface of the display layer, a first lower protective layer disposed on a lower surface of the base member and including a second hole overlapping the first hole, a pad portion disposed on a lower surface of the first lower protective layer, and a lead line disposed on the lower surface of the first lower protective layer and electrically connecting the pad portion and the connection wiring. A tiled display device includes multiple display devices.
    Type: Application
    Filed: June 16, 2021
    Publication date: March 24, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Se Hoon JEONG, Seung Wook KWON, Seo Yeon LEE, Seung Gun CHAE, Woo Yong SUNG, Seung Yeon CHAE
  • Publication number: 20220093897
    Abstract: A display device includes: a display panel having a front portion, a first bending portion, a second bending portion, and a corner portion, the display panel including a plurality of first pixels disposed in the front portion and a plurality of second pixels disposed in the corner portion. The display panel includes: a substrate; a first dam surrounding the plurality of first pixels; and a second dam surrounding the plurality of second pixels. The substrate includes a plurality of cutout patterns disposed in the corner portion, the plurality of second pixels and the second dam are disposed in each of the plurality of cutout patterns, and a height of an upper surface of the first dam is higher than a height of an upper surface of the second dam, based on one surface of the substrate.
    Type: Application
    Filed: September 23, 2021
    Publication date: March 24, 2022
    Inventors: Hye Min Lee, Hyoung Sub Lee, Jin Ho Hyun, Woo Yong Sung
  • Publication number: 20220077195
    Abstract: A display device includes a display layer comprising pixels, each of the pixels having at least one thin-film transistor, a connection line electrically connected to the at least one thin-film transistor, the connection line being exposed on a lower surface of the display layer through a first contact hole formed in the display layer, a barrier layer disposed on the lower surface of the display layer and including a second contact hole connected to the first contact hole, a lead line disposed on a lower surface of the barrier layer and electrically connected to the connection line through the second contact hole, a pad part disposed on the lower surface of the barrier layer and electrically connected to the lead line, and a lower film overlapping the lower surface of the barrier layer and the lead line.
    Type: Application
    Filed: August 12, 2021
    Publication date: March 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Se Hoon JEONG, Seung Wook KWON, Jae Sik KIM, Woo Yong SUNG, Seo Yeon LEE, Ung Soo LEE, Ja Min LEE, Jeong Seok LEE, Seung Gun CHAE, Seung Yeon CHAE
  • Publication number: 20220069062
    Abstract: A tiled display includes a first display device comprising a first display area and a first pad area having grooves, and a second display device comprising a second display area and a second pad area overlapping the second display area, the second pad area having protrusions, wherein the protrusions are inserted into the grooves to connect the first pad area with the second pad area.
    Type: Application
    Filed: April 16, 2021
    Publication date: March 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Wook KWON, Jeong Seok LEE, Se Hoon JEONG, Woo Yong SUNG, Seung Gun CHAE, Seung Yeon CHAE
  • Patent number: 11258044
    Abstract: A display device includes: a substrate including a first flat area, a second flat area, and a bending area between the first flat area and the second flat area; a display unit overlapping the first flat area and disposed on a surface of the substrate; first and second protection layers on an opposing surface of the substrate and overlapping the first and second flat areas, respectively. The first and second protection layers include a hardening member including a photo-hardening resin, the first protection layer includes a first inclination part at an end, the second protection layer includes a second inclination part at an end, the first inclination part has a first inclination angle with the opposing surface, the second inclination part has a second inclination angle with the opposing surface, and the first and second inclination angles are in a range of about 10 degrees to about 90 degrees.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Wook Kwon, Woo Yong Sung, Ung-Soo Lee
  • Publication number: 20220052280
    Abstract: A display device includes a base layer including first and second portions, and a third portion between the first and second portions and configured to be bent, folded, or rolled, a light emitting element layer on one surface of the base layer at the first portion, and including light emitting elements, a circuit board on the one surface of the base layer at the third portion, and electrically connected to the light emitting elements, protective patterns spaced apart from each other on another surface of the base layer, including a resin, and also including first protective patterns spaced apart from each other on the other surface of the base layer at the first portion, and at least one second protective pattern on the other surface of the base layer at the second portion, and at least one of a heat dissipation layer or a cushion layer below the protective patterns.
    Type: Application
    Filed: March 25, 2021
    Publication date: February 17, 2022
    Inventors: Seungwook KWON, Jaesik KIM, Woo Yong SUNG, Seoyeon LEE, Ung-Soo LEE, Jamin LEE, Jeongseok LEE, Sehoon JEONG, Seunggun CHAE, Seung-Yeon CHAE
  • Patent number: 11245090
    Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. Adam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions. Each of the plurality of protrusions protrudes from the body part.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Oh June Kwon, Il Sang Lee, Doo Hwan Kim, Woo Yong Sung, Min Sang Kim, Jin Hwan Jeon, Seung Yong Song