Patents by Inventor Yang-Ho Jung

Yang-Ho Jung 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: 20240136475
    Abstract: A display device includes a light emitting element disposed on a substrate to include an emission layer; and a light controller disposed over the light emitting element, the light controller includes light blocking patterns to extend in a first direction and spaced apart in a second direction intersecting the first direction; and a transmission portion disposed between the light blocking patterns to extend in the first direction, and the transmission portion includes a first transparent organic layer; a transparent inorganic layer disposed on the first transparent organic layer; and a second transparent organic layer disposed on the transparent inorganic layer.
    Type: Application
    Filed: September 11, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jun Ho SIM, Kab Jong SEO, Jae Hun LEE, Yang-Ho JUNG
  • Publication number: 20240138243
    Abstract: A display device according to an embodiment includes a light-emitting device disposed on a substrate and including an emission layer, and a light control layer disposed on the light-emitting device. The light control layer includes a plurality of light blocking patterns extending in a first direction and spaced in a second direction intersecting the first direction, and a transmission layer disposed among the plurality of light blocking patterns and including a transparent organic layer and a transparent inorganic layer that are alternately stacked on each other.
    Type: Application
    Filed: May 30, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Hun LEE, Kab Jong SEO, Jun Ho SIM, Yang-Ho JUNG
  • Publication number: 20240126169
    Abstract: Provided is a photosensitive resin composition including a reactive unsaturated compound, an alkali soluble resin, an initiator, and a pigment. The reactive unsaturated compound is selected to cause the composition to exhibit high-resolution pattern properties that facilitate forming a pixel defining film in a display device. The reactive unsaturated compound may be an acryl-based compound having at least three ethylenically unsaturated double bond groups in molecules and having a viscosity of about 200 mPa s to about 280 mPa s at 40° C. A display device including such pixel defining film is also presented.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 18, 2024
    Inventors: YANG-HO JUNG, BUM SUNG LEE, CHANG MIN LEE, JUN BAE, NAKCHO CHOI, HOON KANG, DAE-GI KWEON, JUNGI KIM, JIHEE KIM, JUNHO SIM, JAEHUN LEE
  • Publication number: 20240122048
    Abstract: A display device includes a light-emitting device disposed on a substrate and including an emission layer, and a light controller disposed on the light-emitting device. The light controller includes a plurality of main light blocking patterns extending in a first direction and spaced apart from each other in a second direction intersecting the first direction, and a plurality of sub-light blocking patterns disposed between adjacent ones of the plurality of main light blocking patterns, extending in the first direction, and spaced apart from each other in the second direction. Each of the plurality of main light blocking patterns has a first thickness in a thickness direction of the substrate, and each of the plurality of sub-light blocking patterns has a second thickness that is less than the first thickness in the thickness direction of the substrate.
    Type: Application
    Filed: May 31, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kab Jong SEO, Tae Wook KANG, Jun Ho SIM, Jae Hun LEE, Yang-Ho JUNG
  • Publication number: 20240122029
    Abstract: A display device includes a substrate, a light emitting element layer disposed on the substrate and including a plurality of light emitting areas each including a light emitting element that emits light, an encapsulation layer disposed on the light emitting element layer, and a light control layer disposed on the encapsulation layer, wherein the light control layer includes a light transmitting film that transmits the light and a light blocking film that blocks the light, and the light transmitting film includes, a first light transmitting portion overlapping the light blocking film in a thickness direction of the substrate, and a plurality of second light transmitting portions each surrounded by the light blocking film, and a thickness of the light blocking film is greater than a thickness of the first light transmitting portion.
    Type: Application
    Filed: August 8, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Min CHO, Da Woon JUNG, Kab Jong SEO, Yu Gwang JEONG, Yun Jong YEO, Yang Ho JUNG
  • Publication number: 20240107826
    Abstract: A display device includes a display panel including a plurality of light emitting areas; and an input sensor disposed on the display panel and having a first conductive layer and a first insulating layer disposed on the first conductive layer. The first insulating layer includes a plurality of optical patterns that extend in a direction away from the first conductive layer.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Inventors: Jungi Kim, Jin-Su BYUN, Jaehun LEE, Bogeon JEON, Yang-Ho JUNG
  • Publication number: 20240107863
    Abstract: A display device includes: a substrate including a light emitting area and non-light emitting area, a light emitting element including a light emitting layer disposed in the light emitting area on the substrate, an encapsulation layer disposed on the light emitting layer, a transparent layer defining a plurality of first openings and a plurality of second openings and disposed on the encapsulation layer, a plurality of light blocking pattern disposed on the encapsulation and filling each of the first openings, a first transparent pattern disposed on the encapsulation layer and filling each of the second openings and the second transparent pattern having a different refractive index from that of the first transparent pattern and disposed on the first transparent pattern.
    Type: Application
    Filed: May 11, 2023
    Publication date: March 28, 2024
    Inventors: KABJONG SEO, JUNHO SIM, JAEHUN LEE, YANG-HO JUNG
  • Publication number: 20240099056
    Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an insulating layer disposed on the plurality of transistors; a data line and a driving voltage line disposed on the insulating layer; a pixel electrode disposed on the data line or the driving voltage line; a pixel defining layer disposed on the pixel electrode and including a pixel opening that overlaps the pixel electrode; a light emitting element layer disposed in the pixel opening; and a common electrode disposed on the light emitting element layer, wherein the pixel opening includes a first sub-pixel opening and a second sub-pixel opening and a first blocking portion that is disposed between the first sub-pixel opening and the second sub-pixel opening.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 21, 2024
    Inventors: Jae Hun LEE, Jun Gi KIM, Jun Ho SIM, Yang-Ho JUNG
  • Publication number: 20240074249
    Abstract: The present disclosure relates to a display device and a manufacturing method thereof, and a display device according to one or more embodiments includes a substrate, a transistor above the substrate, a first pixel electrode connected to the transistor, a scattering layer above the first pixel electrode, and defining repeating protrusions and depressions, a second pixel electrode above the scattering layer, and connected with the first pixel electrode, an emission layer above the second pixel electrode, and a common electrode above the emission layer.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: Yang-Ho JUNG, Woong Sik KIM, Kab Jong SEO, Jun Ho SIM, Jae Hun LEE
  • Publication number: 20240069629
    Abstract: A system and method for laser assisted bonding of semiconductor die. As non-limiting examples, various aspects of this disclosure provide systems and methods that enhance or control laser irradiation of a semiconductor die, for example spatially and/or temporally, to improve bonding of the semiconductor die to a substrate.
    Type: Application
    Filed: August 28, 2023
    Publication date: February 29, 2024
    Inventors: Tae Ho Yoon, Yang Gyoo Jung, Min Ho Kim, Youn Seok Song, Dong Soo Ryu, Choong Hoe Kim
  • Publication number: 20240065079
    Abstract: A display device includes: a substrate including a light emitting area and a non-light emitting area adjacent to the light emitting area, a light emitting element including a light emitting layer disposed in the light emitting area on the substrate, an encapsulation layer disposed on the light emitting layer and including at least one inorganic layer and at least one organic layer, and a plurality of light blocking patterns disposed on the encapsulation layer. Each of the plurality of light blocking patterns has an asymmetric shape with respect to a virtual center line thereof.
    Type: Application
    Filed: August 14, 2023
    Publication date: February 22, 2024
    Inventors: JAEHUN LEE, KABJONG SEO, JUNHO SIM, YANG-HO JUNG
  • Publication number: 20240047619
    Abstract: A display device includes a substrate, a light emitting diode disposed on the substrate and light control patterns overlapping the light emitting diode, the light control patterns including at least three light blocking patterns and at least two organic patterns alternately disposed on the light emitting diode and spaced apart from each other.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 8, 2024
    Inventors: HYUNMIN CHO, DAWOON JUNG, YU-GWANG JEONG, KABJONG SEO, YUNJONG YEO, JAEHUN LEE, YANG-HO JUNG
  • Patent number: 11871623
    Abstract: A display device includes a display panel including a plurality of light emitting areas; and an input sensor disposed on the display panel and having a first conductive layer and a first insulating layer disposed on the first conductive layer. The first insulating layer includes a plurality of optical patterns that extend in a direction away from the first conductive layer.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jungi Kim, Jin-Su Byun, Jaehun Lee, Bogeon Jeon, Yang-Ho Jung
  • Publication number: 20240008341
    Abstract: A present disclosure relates to a display device and a manufacturing method, and the display device according to an embodiment includes: a substrate; a transistor positioned on the substrate; a first pixel electrode connected to the transistor; a scattering layer positioned on the first pixel electrode; a second pixel electrode positioned on the scattering layer and covering a side surface of the first pixel electrode; an emission layer positioned on the second pixel electrode; and a common electrode positioned on the emission layer.
    Type: Application
    Filed: April 20, 2023
    Publication date: January 4, 2024
    Inventors: Yang-Ho JUNG, Woong Sik KIM, Kab Jong SEO, Jun Ho SIM, Pil Soon HONG
  • Patent number: 11864416
    Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an insulating layer disposed on the plurality of transistors; a data line and a driving voltage line disposed on the insulating layer; a pixel electrode disposed on the data line or the driving voltage line; a pixel defining layer disposed on the pixel electrode and including a pixel opening that overlaps the pixel electrode; a light emitting element layer disposed in the pixel opening; and a common electrode disposed on the light emitting element layer, wherein the pixel opening includes a first sub-pixel opening and a second sub-pixel opening and a first blocking portion that is disposed between the first sub-pixel opening and the second sub-pixel opening.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: January 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hun Lee, Jun Gi Kim, Jun Ho Sim, Yang-Ho Jung
  • Publication number: 20230376137
    Abstract: A display device includes a display panel with a light emitting area from which a light exits and an input sensor disposed on the display panel. The input sensor includes a first conductive layer, a first insulating layer disposed on the first conductive layer and provided with a diffraction grating defined therein to correspond to the light emitting area, and a second conductive layer disposed on the first insulating layer and connected to the first conductive layer. The first insulating layer includes an organic layer covering the first conductive layer and an inorganic layer disposed on the organic layer. The organic layer and the inorganic layer include a plurality of holes defined therein to define the diffraction grating.
    Type: Application
    Filed: July 17, 2023
    Publication date: November 23, 2023
    Inventors: Jungi KIM, Jaehun Lee, Bogeon Jeon, Yang-Ho Jung
  • Publication number: 20230354650
    Abstract: A display device includes a plurality of first electrodes electrically connected to pixel circuits disposed on a substrate; a pixel defining layer defining a plurality of opening regions, each of the opening regions exposing a portion of each of the first electrodes; a plurality of light emitting layers respectively disposed on the first electrodes in the opening regions; a second electrode covering the light emitting layers and the pixel defining layer; an encapsulation layer disposed on the second electrode; and a plurality of light blocking patterns disposed on the encapsulation layer between the opening regions adjacent to each other in a first direction.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 2, 2023
    Inventors: Yang Ho Jung, Jun Gi Kim, Jae Hun Lee, Bo Geon Jeon
  • Patent number: 11747924
    Abstract: A display device includes a display panel with a light emitting area from which a light exits and an input sensor disposed on the display panel. The input sensor includes a first conductive layer, a first insulating layer disposed on the first conductive layer and provided with a diffraction grating defined therein to correspond to the light emitting area, and a second conductive layer disposed on the first insulating layer and connected to the first conductive layer. The first insulating layer includes an organic layer covering the first conductive layer and an inorganic layer disposed on the organic layer. The organic layer and the inorganic layer include a plurality of holes defined therein to define the diffraction grating.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: September 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jungi Kim, Jaehun Lee, Bogeon Jeon, Yang-Ho Jung
  • Patent number: 11711947
    Abstract: A display device includes a plurality of first electrodes electrically connected to pixel circuits disposed on a substrate; a pixel defining layer defining a plurality of opening regions, each of the opening regions exposing a portion of each of the first electrodes; a plurality of light emitting layers respectively disposed on the first electrodes in the opening regions; a second electrode covering the light emitting layers and the pixel defining layer; an encapsulation layer disposed on the second electrode; and a plurality of light blocking patterns disposed on the encapsulation layer between the opening regions adjacent to each other in a first direction.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: July 25, 2023
    Assignee: Samsung Display Co, LTD.
    Inventors: Yang Ho Jung, Jun Gi Kim, Jae Hun Lee, Bo Geon Jeon
  • Publication number: 20230189577
    Abstract: A display device includes a display panel. The display panel includes a transistor, an insulating layer disposed on the transistor, a light emitting element electrically connected to the transistor and including a first electrode disposed on the insulating layer, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer, a stopper pattern disposed spaced apart from the first electrode, a pixel definition layer provided on the stopper pattern. A first opening extends through the pixel definition layer to the first electrode, and a second opening extends through the pixel defining layer to the stopper pattern. A thin film encapsulation layer disposed on the pixel definition layer and inside the second opening, covering the light emitting element.
    Type: Application
    Filed: August 22, 2022
    Publication date: June 15, 2023
    Inventors: YANG-HO JUNG, HYE SUN KIM, JIN-SU BYUN, JUNHO SIM, JAEHUN LEE