Patents by Inventor Chun-Gi You

Chun-Gi You 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).

  • Patent number: 12386463
    Abstract: A touch sensing unit includes first touch electrodes, a first touch signal line, and a second touch signal line. The first touch electrodes are disposed in a touch sensor area. The first touch signal line is electrically connected to some of the first touch electrodes arranged in a first column. The second touch signal line is electrically connected to some of the first touch electrodes arranged in a second column different from the first column. The second touch signal line includes a first bent portion bent at least once in an intersection region of the first touch signal line and the second touch signal line.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: August 12, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jin Yang, Tae Ik Kim, Hyun Sik Park, Chun Gi You, Sung Ho Cho
  • Publication number: 20250234755
    Abstract: A display device includes: a substrate arranged on a plane defined by a first direction and a second direction; a pixel circuit layer on the substrate and including a pixel circuit; a reflective layer on the pixel circuit layer; a barrier layer partially on the reflective layer; an anode electrode including a portion adjacent to the barrier layer and overlapping the reflective layer in a plan view; a light emitting structure electrically connected to the anode electrode; and a cathode electrode electrically connected to the light emitting structure, wherein the anode electrode includes a transparent conductive material including oxide, and is physically spaced apart from the reflective layer.
    Type: Application
    Filed: July 9, 2024
    Publication date: July 17, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250194364
    Abstract: A display device includes: a substrate; a plurality of conductive layers sequentially stacked on the substrate; a reflective electrode layer on the plurality of conductive layers; a pad conductive layer on the plurality of conductive layers; an insulating layer covering at least a portion of the pad conductive layer and the reflective electrode layer; and a plurality of light emitting elements on the insulating layer, and each comprising a first electrode, a light emitting stack, and a second electrode, wherein a thickness of the pad conductive layer is greater than a thickness of the reflective electrode layer.
    Type: Application
    Filed: December 9, 2024
    Publication date: June 12, 2025
    Inventor: Chun Gi YOU
  • Patent number: 12329002
    Abstract: A display device includes a substrate including a display area and a non-display area, a first power supply line in the non-display area and applying a first supply voltage to the display area, and a driving voltage line which is in the display area and connects the display area to the first power supply line. The first power supply line includes a first sub-power supply line, and a second sub-power supply line which is on the first sub-power supply line. The second sub-power supply line includes a same material as the driving voltage line.
    Type: Grant
    Filed: February 28, 2024
    Date of Patent: June 10, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Ho Moon, Chun Gi You
  • Publication number: 20250185467
    Abstract: A display device includes a pixel circuit layer; a plurality of connection electrodes spaced apart from each other on the pixel circuit layer and connected to a pixel circuit in the pixel circuit layer; a plurality of pixel electrodes directly on the plurality of connection electrodes to correspond one-to-one to the plurality of connection electrodes and spaced apart from each other; a spacer between two adjacent pixel electrodes among the plurality of pixel electrodes on the pixel circuit layer; and a pixel defining film between the spacer and the plurality of pixel electrodes and covering at least a side surface of each of the plurality of connection electrodes and the plurality of pixel electrodes, on the pixel circuit layer, wherein at least one trench recessed in a direction from an upper surface of the spacer toward the pixel circuit layer is defined in the spacer.
    Type: Application
    Filed: September 17, 2024
    Publication date: June 5, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250176413
    Abstract: Provided are a display device, a method of manufacturing the display device, and a head mounted display including the display device. A display device includes a first light-emitting unit configured to emit first light, a second light-emitting unit configured to emit second light, a third light-emitting unit configured to emit third light, a first lens overlapping the first light-emitting unit, and including a first sub-lens overlapping a first portion of the first light-emitting unit, and a second sub-lens overlapping a second portion of the first light-emitting unit, a second lens overlapping the second light-emitting unit, and a third lens overlapping the third light-emitting unit, wherein a length of the first light-emitting unit in a second direction is greater than a length of the second light-emitting unit in the second direction, and is greater than a length of the third light-emitting unit in the second direction.
    Type: Application
    Filed: June 20, 2024
    Publication date: May 29, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250160129
    Abstract: A display device is disclosed that includes: pixels each including emission areas and a non-emission area adjacent to the emission areas, and a pixel defining layer overlapping the non-emission area. The pixel defining layer includes trenches enclosing the respective emission areas and spaced apart from each other. A corner of each of the trenches is chamfered.
    Type: Application
    Filed: September 5, 2024
    Publication date: May 15, 2025
    Inventors: Jin Taek KIM, Suk Hoon KU, Yong Tae CHO, Sang Yeol KIM, Jung Tae PARK, Chun Gi YOU
  • Patent number: 12302638
    Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer disposed on the substrate, a first insulating layer which covers the semiconductor layer, a first conductive layer disposed on the first insulating layer, a second insulating layer which covers the first conductive layer, a second conductive layer disposed on the second insulating layer, a third insulating layer which covers the second conductive layer, a third conductive layer disposed on the third insulating layer, a first organic layer which covers the third conductive layer, and a fourth conductive layer disposed on the first organic layer, where the fourth conductive layer includes a lower layer, a middle layer, and an upper layer, and the lower layer is disposed between the first organic layer and the middle layer, and includes a transparent conductive oxidization film.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: May 13, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Ho Moon, Chun Gi You, Tae Kon Kim
  • Publication number: 20250151526
    Abstract: A display device includes: a first sub-pixel, a second sub-pixel, and a third sub-pixel, wherein each of the first sub-pixel, the second sub-pixel, and the third sub-pixel includes: a reflective electrode on a base layer; a planarization layer on the reflective electrode and providing a planar upper surface; an anode electrode on the planarization layer; an emission structure on the anode electrode; and a cathode electrode on the emission structure, wherein the first sub-pixel further includes a first buffer pattern between the base layer and the reflective electrode, and wherein in the third sub-pixel, the reflective electrode is directly on the base layer.
    Type: Application
    Filed: July 22, 2024
    Publication date: May 8, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250151531
    Abstract: A display device includes a substrate, a thin-film transistor disposed on the substrate, a via insulating layer disposed above the thin-film transistor, a first electrode disposed on the via insulating layer and electrically connected to the thin-film transistor, a pixel-defining layer disposed on the via insulating layer and on the first electrode and that includes an opening that partially exposes an upper surface of the first electrode; and a first swelling prevention layer disposed on one end of the upper surface of the first electrode and interposed between the first electrode and the pixel-defining layer. The pixel-defining layer comprises a first region that overlaps the first swelling prevention layer and the first electrode, and a second region that overlaps the first electrode but not the first swelling prevention layer. The second region of the pixel-defining layer is in direct contact with the upper surface of the first electrode.
    Type: Application
    Filed: January 8, 2025
    Publication date: May 8, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250133911
    Abstract: A display device includes: a first electrode on a substrate; a pixel defining layer on the first electrode; a separation layer on the pixel defining layer and having a void and an opening partially exposing the void; a light emitting unit on the first electrode and the separation layer, the light emitting unit being separated at the opening in the separation layer; and a second electrode on the light emitting unit and covering the opening in the separation layer.
    Type: Application
    Filed: July 24, 2024
    Publication date: April 24, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250126995
    Abstract: Provided are a display device, and a head mounted display comprising the display device, the display device including a semiconductor substrate including transistors, conductive layers above the semiconductor substrate, a reflective electrode layer above the conductive layers, an optical auxiliary layer above the reflective electrode layer, light-emitting elements above the optical auxiliary layer, and including a first electrode, a light-emitting stack, and a second electrode, a pixel-defining film above the first electrode to partition light-emitting areas of the light-emitting elements, a first pad conductive layer above the conductive layers, and a second pad conductive layer above the first pad conductive layer, a thickness of the first pad conductive layer and a thickness of the second pad conductive layer being greater than a thickness of the reflective electrode layer.
    Type: Application
    Filed: August 8, 2024
    Publication date: April 17, 2025
    Inventors: Chun Gi YOU, Sang Yeol KIM, Jung Tae PARK
  • Publication number: 20250103173
    Abstract: A display device including a touch sensing unit including a first touch conductive layer, a first touch insulating layer disposed on the first touch conductive layer, and a second touch conductive layer disposed on the first touch insulating layer. The touch sensor area includes a first touch sensor area located at a center of the touch sensor area, and a second touch sensor area located between the first touch sensor area and the curved portion. The first touch conductive layer includes a touch connection electrode connecting adjacent first touch electrodes, and a plurality of capacitance (cap) compensation patterns arranged in the second touch sensor area. The plurality of cap compensation patterns includes a first cap compensation pattern electrically connected to the adjacent first touch electrode and a second cap compensation pattern electrically connected to the adjacent second touch electrode.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Inventors: Sung Jin YANG, Ki Cheol KIM, Sung Hee KIM, Hyun Sik PARK, Chun Gi YOU, Sung Ho CHO, Min Ho CHAE
  • Publication number: 20250098489
    Abstract: According to one or more embodiments, a display device may include a display panel including a display panel having a display area in which a light-emitting element is located, and a non-display area outside the display area in plan view and including a permeation prevention region outside an encapsulation area, and a crack prevention region outside the permeation prevention region and in a double line shape at at least one corner of the display panel.
    Type: Application
    Filed: August 6, 2024
    Publication date: March 20, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250081745
    Abstract: A method of manufacturing a display panel includes forming, on a substrate, a pixel circuit layer including a sub-pixel circuit of each of a plurality of sub-pixels; forming a first electrode of a light emitting element on the pixel circuit layer, the first electrode of the light emitting element electrically connected to the sub-pixel circuit; forming a pixel defining layer on the first electrode of the light emitting element; and forming a light emitting structure of the light emitting element on the pixel defining layer. In addition, the method includes forming a hole at a boundary area between the plurality of sub-pixels. The hole may be formed using a wire of a hole generator. In addition, the method may include forming a second electrode of the light emitting element on the light emitting structure.
    Type: Application
    Filed: May 15, 2024
    Publication date: March 6, 2025
    Inventor: CHUN GI YOU
  • Publication number: 20250072227
    Abstract: Provided is a display device including a base layer defining a trench, and a first sub-pixel and a second sub-pixel at opposite sides of the trench, each of the first sub-pixel and the second sub-pixel including a first electrode on the base layer, a first emission structure on the first electrode, the first emission structure including a first hole transport layer, a first emission layer, and a first electron transport layer, a thickness of the first hole transport layer being less than a depth of the trench, a first intermediate layer on the first emission structure, a second emission structure on the first intermediate layer, the second emission structure including a second hole transport layer, a second emission layer, and a second electron transport layer, a thickness of the second hole transport layer being greater than the depth of the trench, and a second electrode on the second emission structure.
    Type: Application
    Filed: August 2, 2024
    Publication date: February 27, 2025
    Inventors: Chun Gi YOU, Sang Yeol KIM
  • Patent number: 12232367
    Abstract: A display device includes a substrate, a thin-film transistor disposed on the substrate, a via insulating layer disposed above the thin-film transistor, a first electrode disposed on the via insulating layer and electrically connected to the thin-film transistor, a pixel-defining layer disposed on the via insulating layer and on the first electrode and that includes an opening that partially exposes an upper surface of the first electrode; and a first swelling prevention layer disposed on one end of the upper surface of the first electrode and interposed between the first electrode and the pixel-defining layer. The pixel-defining layer comprises a first region that overlaps the first swelling prevention layer and the first electrode, and a second region that overlaps the first electrode but not the first swelling prevention layer. The second region of the pixel-defining layer is in direct contact with the upper surface of the first electrode.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chun Gi You
  • Patent number: 12225790
    Abstract: A display device includes: a substrate; a semiconductor layer; a gate electrode overlapping the semiconductor layer; a common voltage line disposed on a same layer as the gate electrode; a common voltage line anti-oxidation layer disposed on the common voltage line; an interlayer insulating layer; source and drain electrodes disposed on the interlayer insulating layer; and a common voltage applying electrode disposed on a same layer as the source electrode and the drain electrode. The common voltage applying electrode is connected to the common voltage line through a first contact hole formed in the interlayer insulating layer, the common voltage line anti-oxidation layer includes an opening overlapping the common voltage line, the interlayer insulating layer is disposed in the opening, a width of the opening is smaller than a width of the common voltage line, and the first contact hole is disposed in the opening in a plan view.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chun Gi You, Gwang Geun Lee
  • Publication number: 20250031520
    Abstract: A display device and a method for manufacturing the same are disclosed. The display device includes: a display panel, wherein the display panel includes: a semiconductor wafer substrate; a complementary metal oxide semiconductor (CMOS) layer disposed on a first side of the semiconductor wafer substrate and including a plurality of display driving circuits that are driven independently of each other; a transistor layer disposed on a second side of the semiconductor wafer substrate and including a plurality of pixel driving circuits connected to the plurality of display driving circuits through a contact hole in the semiconductor wafer substrate; a light emitting element layer disposed on the second side of the semiconductor wafer substrate and including a light emitting element driven by the plurality of pixel driving circuits; and an encapsulation layer disposed on the second side of the semiconductor wafer substrate.
    Type: Application
    Filed: June 4, 2024
    Publication date: January 23, 2025
    Inventor: Chun Gi YOU
  • Publication number: 20250031521
    Abstract: A display device includes a substrate having a first surface and a second surface opposite to each other, a first driving element layer disposed on the first surface of the substrate and including a display driving circuit, at least one insulating layer disposed on the first driving element layer, a light emitting element layer including a light emitting element and disposed on the at least one insulating layer, an encapsulation layer disposed on the light emitting element layer, a second driving element layer disposed on the second surface of the substrate and including a plurality of pixel driving circuits electrically connected to the light emitting element through a first through-substrate via penetrating the substrate, the first driving element layer, and the at least one insulating layer, and a protective layer disposed on the second driving element layer.
    Type: Application
    Filed: June 5, 2024
    Publication date: January 23, 2025
    Inventor: CHUN GI YOU