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: 20240407234
    Abstract: A display device includes a first pixel electrode disposed on a substrate, an inorganic insulating 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 inorganic insulating 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; and a first inorganic encapsulation layer disposed on an upper surface of the first common electrode, the side surfaces of the first bank layer, and lower and side surfaces of the second bank layer, and spaced apart from the side surfaces of the second bank layer.
    Type: Application
    Filed: January 22, 2024
    Publication date: December 5, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyun Eok SHIN
  • Publication number: 20240397752
    Abstract: A display device includes a first pixel electrode and a second pixel electrode spaced apart from each other on a substrate, a first bank layer disposed on the substrate and exposing the first pixel electrode and the second pixel electrode, a first light-emitting layer disposed on the first pixel electrode and a second light-emitting layer disposed on the second pixel electrode, a first common electrode disposed on the first light-emitting layer and a second common electrode disposed on the second light-emitting layer, a second bank layer disposed on the first bank layer and exposing the first common electrode and the second common electrode, and a third bank layer disposed on the second bank layer and including metal nitride, wherein the third bank layer includes a tip protruding further than the sidewall of the second bank layer.
    Type: Application
    Filed: February 22, 2024
    Publication date: November 28, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Dong Min LEE
  • Publication number: 20240397753
    Abstract: A display device includes a first electrode on a substrate; a pixel-defining layer disposed on the substrate and defining a first opening overlapping the first electrode, a bank structure disposed on the pixel-defining layer and defining a second opening overlapping the first opening; a first emissive layer disposed on the first electrode and disposed in the first opening; and a second electrode disposed on the first emissive layer and contacting the bank structure in the second opening. The bank structure includes a first base disposed on the pixel-defining layer and including a conductive material, and a second base disposed on the first base and including a tip protruding toward the first opening. The second base includes a first bank layer disposed on the first base and including a transparent conductive material, and a second bank layer disposed on the first bank layer and including a conductive material.
    Type: Application
    Filed: March 5, 2024
    Publication date: November 28, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Su Kyoung YANG, Dong Min LEE
  • Publication number: 20240389418
    Abstract: A display device includes a substrate; a first pixel electrode disposed on the substrate; a pixel defining layer disposed on the substrate and defining a first opening overlapping the first pixel electrode; a bank structure disposed on the pixel defining layer and defining a second opening overlapping the first opening; a first light emitting layer disposed on the first pixel electrode and in the first opening; a first common electrode disposed on the first light emitting layer and in contact with the bank structure in the second opening; a first auxiliary electrode disposed on the first common electrode, completely covering the first common electrode in the second opening, and in contact with the bank structure; a second auxiliary electrode disposed on the first auxiliary electrode, completely covering the first auxiliary electrode in the second opening, and in contact with the bank structure; and a first encapsulation layer.
    Type: Application
    Filed: December 18, 2023
    Publication date: November 21, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Su Kyoung YANG, Dong Min LEE
  • Publication number: 20240389394
    Abstract: A display device includes an emission area including a pixel electrode, an inorganic layer exposing the pixel electrode to outside the inorganic layer, a light emitting layer and a common electrode, and a bank layer on the inorganic layer and in which an opening is defined corresponding to the emission area. The bank layer includes a first bank layer including zinc, a second bank layer on the first bank layer, a third bank layer on the second bank layer, each of the first bank layer, the second bank layer and the third bank layer including a side surface which defines a portion of the opening in the bank layer; the side surface of the first bank layer recessed from the side surface of the second bank layer in a direction away from the first emission area; and the side surface of the second bank layer recessed from the side surface of the first bank layer in a direction away from the emission area.
    Type: Application
    Filed: January 11, 2024
    Publication date: November 21, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Su Kyoung YANG, Dong Min LEE
  • Publication number: 20240381698
    Abstract: A display device includes a first pixel electrode disposed in a first emission area on a substrate, an insulating layer covering edges 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 first bank disposed on the insulating layer, the first bank surrounding the first emission area, a second bank disposed on the first bank, around the first emission area, the second bank including tips projected from sides of the first bank, and an etch control layer disposed on a top surface of the first common electrode, on the sides of the first bank, and on bottom surfaces of the tips of the second bank.
    Type: Application
    Filed: December 28, 2023
    Publication date: November 14, 2024
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Su Kyoung YANG, Dong Min LEE
  • Publication number: 20240381699
    Abstract: A display device includes: a pixel electrode; a pixel defining layer defining a first opening overlapping the pixel electrode; a bank structure disposed on the pixel defining layer and defining a second opening overlapping the first opening; a light emitting layer disposed on the pixel electrode; a common electrode disposed on the light emitting layer and in contact with the bank structure; and an encapsulation layer disposed on the common electrode and the bank structure. The bank structure includes: a first bank layer disposed on the pixel defining layer and including a conductive material; and a second bank layer disposed on the first bank layer and including a tip protruding toward the first opening more than a side surface of the first bank layer.
    Type: Application
    Filed: January 6, 2024
    Publication date: November 14, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Su Kyoung YANG, Dong Min LEE
  • Publication number: 20240373678
    Abstract: A display device includes anode electrodes, an inorganic insulating layer exposing each anode electrode, a bank member on the inorganic insulating layer and including an opening overlapping each anode electrode, a light emitting layer on each anode electrode and including a portion on the inorganic insulating layer, and a cathode electrode on the light emitting layer and including a portion in contact with the bank member. The bank member includes a first bank layer, and a second bank layer on the first bank layer, including a metal material different from that of the first bank layer, and including a tip portion protruding than the first bank layer at a sidewall of the opening, and a lateral side of the inorganic insulating layer defining a pattern opening exposing each anode electrode and an end portion of the tip portion of the second bank layer are aligned to each other.
    Type: Application
    Filed: December 11, 2023
    Publication date: November 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Dong Min LEE
  • Publication number: 20240357871
    Abstract: A display device includes anode electrodes spaced apart, a bank structure surrounding the anode electrodes, and including openings, a capping layer on the anode electrode, electrically connected thereto, and having at least a portion spaced apart from the anode electrodes, an inorganic insulating layer on the capping layer within the openings and exposing a portion of an upper surface of the capping layer, light emitting layers each on the capping layer and having a portion contacting a side surface of the bank structure, cathode electrodes on the light emitting layers and having a portion contacting the side surface of the bank structure, and auxiliary common electrodes on the cathode electrodes and having a portion disposed on the bank structure. The bank structure includes first and second bank layers having different material, and the second includes a tip protruding more than the first bank layer.
    Type: Application
    Filed: November 28, 2023
    Publication date: October 24, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Dong Min LEE
  • Publication number: 20240349580
    Abstract: A touch sensing unit having a substrate including an emission area and a non-emission area, a light emitting element positioned on the substrate and overlapping the emission area, a thin film encapsulation layer on the light emitting element and a touch sensor layer positioned on the thin film encapsulation layer, including a touch insulating layer on the thin film encapsulation layer, a touch metal layer on the touch insulating layer, and a touch protection layer on the touch metal layer, including a first conductive layer on the touch insulating layer, a second conductive layer on the first conductive layer and a first inclined surface connecting the first surface to the second surface and a third conductive layer covering the first inclined surface and the second surface of the second conductive layer.
    Type: Application
    Filed: December 6, 2023
    Publication date: October 17, 2024
    Inventors: Hyun Eok SHIN, Ju Hyun LEE, Dong Min LEE
  • Publication number: 20240341160
    Abstract: A display device includes: a display panel including a display area and a non-display area; a window disposed above the display panel and having a plurality of grooves that are formed on one surface of window facing the display panel; and viewing angle control members formed inside the plurality of grooves, wherein the viewing angle control members include light absorbing walls formed on sidewalls of the plurality of grooves and formed to become thinner as upper surfaces of the plurality of grooves are approached.
    Type: Application
    Filed: October 26, 2023
    Publication date: October 10, 2024
    Inventors: Hyun Eok SHIN, Dong MIn LEE, Ju Hyun LEE
  • Publication number: 20240334746
    Abstract: A display device includes a transistor layer disposed on a substrate and including at least one transistor, an insulating layer disposed on the transistor layer, a first pixel electrode disposed on the insulating layer, a first pixel defining layer covering a side surface of the first pixel electrode and a side surface of the insulating layer and defining a first emission area, a first light emitting layer disposed in the first emission area on the first pixel electrode, a first common electrode disposed on the first light emitting layer, and a bank disposed on the insulating layer and surrounding the first pixel electrode. The first pixel electrode and the bank are disposed on a same layer and include a same material.
    Type: Application
    Filed: November 21, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Eok SHIN, Dong Min LEE, Ju Hyun LEE, Yung Bin CHUNG
  • Publication number: 20240334756
    Abstract: A display device may include a substrate including an emission area and a non-emission area, a transistor electrode above the substrate, a via layer over the transistor electrode, and defining a first opening exposing the transistor electrode, an organic layer above the via layer to fill the first opening, a first electrode above the organic layer, and electrically connected to the transistor electrode through the organic layer, an emission layer above the first electrode, and a second electrode over the emission layer.
    Type: Application
    Filed: October 17, 2023
    Publication date: October 3, 2024
    Inventors: Jae Yong KA, Joon Yong PARK, Hyun Eok SHIN
  • Publication number: 20240334755
    Abstract: According to embodiments, a display device includes a pixel driving circuit including a transistor and disposed on a substrate, an organic layer covering the pixel driving circuit and including a contact hole, a conductive organic layer covering the contact hole and the organic layer around the contact hole and electrically connected to the transistor through the contact hole, a non-conductive organic layer disposed on the organic layer and disposed in a region where the conductive organic layer is not disposed, and an anode electrically connected to the conductive organic layer, and the contact hole overlaps the anode in a plan view.
    Type: Application
    Filed: December 28, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Yong PARK, Hyun Eok SHIN, Dong Min LEE, SAMTAE JEONG
  • Publication number: 20240313163
    Abstract: A display device includes: a substrate having an emission area and a non-emission area; an insulating layer covering a circuit element on the substrate, the insulating layer including a contact part exposing a portion of the circuit element; a conductive pattern on the insulating layer and electrically connected to the circuit element through the contact part; a first electrode on the insulating layer and integrally formed with the conductive pattern; a pixel defining layer over the first electrode, the pixel defining layer including an opening exposing a portion of the first electrode; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the conductive pattern and the first electrode include a first layer, a second layer, and a third layer, which are sequentially stacked on one surface of the insulating layer, and wherein the second layer includes an aluminum-nickel-lanthanum-based alloy.
    Type: Application
    Filed: March 8, 2024
    Publication date: September 19, 2024
    Inventors: Hyun Eok SHIN, Do Keun SONG, Su Kyoung YANG
  • Publication number: 20240306430
    Abstract: An embodiment provides a display device including transistors disposed on a substrate; an insulating layer disposed on the transistors; a first electrode disposed on the insulating layer and electrically connected to at least one of the transistors; a partition wall disposed on the insulating layer, and a common layer disposed on the partition wall and the first electrode, wherein the partition wall includes a groove, the groove has a shape having an inner width wider than an inlet width, and the common layer is disposed inside the groove.
    Type: Application
    Filed: January 26, 2024
    Publication date: September 12, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Do Keun SONG, Ju Hyun LEE, Yu-Gwang JEONG
  • Patent number: 12080721
    Abstract: A display substrate may include a substrate and a wiring on the substrate. The wiring may include a metal oxide layer including at least one oxide selected from tantalum (Ta), niobium (Nb), and titanium (Ti), and a metal layer on the metal oxide layer and including copper (Cu), and a thickness of the metal oxide layer may be in a range of about 30 angstroms (?) to about 50 ?.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: September 3, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Eok Shin, Hong-Sick Park, Sangwoo Sohn, Sang-Gab Kim, Gyungmin Baek, Sang-Won Shin
  • Publication number: 20240292667
    Abstract: A display device includes a plurality of transistors disposed on a substrate, an insulating layer disposed on the transistors, a first electrode disposed on the insulating layer and electrically connected to the transistors, a partition wall disposed on the insulating layer, a common layer disposed on the partition wall and the first electrode, an emission layer disposed on the common layer, a second electrode disposed on the emission layer, and an auxiliary layer disposed on the second electrode. The partition wall includes a groove, and an inner width of the groove is greater than an inlet width of the groove.
    Type: Application
    Filed: November 27, 2023
    Publication date: August 29, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Eok SHIN, Dong Min LEE, Woo-Seok JEON, Yung Bin CHUNG, Yu-Gwang JEONG
  • Publication number: 20240292666
    Abstract: A display device includes a pixel circuit layer including a base layer and a pixel circuit, a first electrode on the pixel circuit layer, light emitting portions including a first light emitting portion defining first sub-pixel area and a second light emitting portion defining a second sub-pixel area, and a partition wall between the first and second light emitting portions, wherein the partition wall includes a first layer, a second layer on the first layer, and a third layer on the second layer, wherein the first layer has a first thickness, the second layer has a second thickness, the third layer has a third thickness, and the partition wall has a fourth thickness that is a sum of the first thickness to the third thickness, and wherein the first thickness and a thickness of the light emitting portion correspond to each other.
    Type: Application
    Filed: September 26, 2023
    Publication date: August 29, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Do Keun SONG
  • 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