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: 20230189559
    Abstract: A display device includes a plurality of first light blocking patterns, a first substrate on the first light blocking patterns, a plurality of second light blocking patterns on the first substrate, a driving device on the plurality of second light blocking patterns, a via insulating layer on the driving device and defining a plurality of light blocking areas, and a light emitting device on the via insulating layer, electrically connected to the driving device and including a light emitting area.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 15, 2023
    Inventors: JAEHUN LEE, HYE SUN KIM, JUNHO SIM, SANGHYUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Publication number: 20230140984
    Abstract: A display device includes an insulating layer disposed on a base layer, a first lower electrode disposed on the insulating layer, a second lower electrode disposed on the insulating layer and spaced apart from the first lower electrode, a pixel definition layer disposed on the insulating layer and including pixel openings exposing at least a portion of each of the first lower electrode and the second lower electrode, and a sacrificial layer disposed between the pixel definition layer and the insulating layer and including a first side surface defining sacrificial openings corresponding to the pixel openings. The first side surface is overlapped by the pixel definition layer in a plan view.
    Type: Application
    Filed: September 12, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: JUNHO SIM, HYE SUN KIM, SANGHYUN LEE, JAEHUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Publication number: 20230132797
    Abstract: A display device includes a substrate including a display area and a peripheral area, a driving element disposed in the display area on the substrate, a pixel electrode disposed on the driving element and connected to the driving element, a planarization layer including a first flat portion covering the driving element on the driving element and a first protrusion portion protruding in a thickness direction from an upper surface of the first flat portion adjacent to the pixel electrode, and a pixel defining layer disposed on the planarization layer. The pixel defining layer includes a bank portion, in which an opening is defined to expose a portion of the pixel electrode; and a spacer portion protruding in the thickness direction from an upper surface of the bank portion and spaced apart from the first protrusion portion in a plan view.
    Type: Application
    Filed: August 29, 2022
    Publication date: May 4, 2023
    Inventors: JAEHUN LEE, HYE SUN KIM, JUNHO SIM, SANGHYUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Publication number: 20230135679
    Abstract: A display device includes a display area including a display element including a pixel electrode and a driving element connected to the display element, a planarization layer on the driving element, and a pixel defining layer on the planarization layer and defining an opening corresponding to the pixel electrode of the display element. The pixel defining layer includes a bank portion defining the opening and extending from the pixel electrode, and including a flat portion and a first protrusion which protrudes from an upper surface of the flat portion and is adjacent to the pixel electrode, and a second protrusion which protrudes from the upper surface of the flat portion of the bank portion and is further from the opening than the first protrusion.
    Type: Application
    Filed: August 19, 2022
    Publication date: May 4, 2023
    Inventors: JAEHUN LEE, HYE SUN KIM, JUNHO SIM, SANGHYUN LEE, YANG-HO JUNG, PIL SOON HONG
  • Patent number: 11599024
    Abstract: A photopolymerizable resin composition includes a first layer and a second layer; and a barrier layer disposed between the first layer and the second layer, the barrier layer includes one or more of SiNx, SiOx, SiON, Mo, a Mo oxide, Cu, a Cu oxide, Al, an Al oxide, Ag, and a Ag oxide.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hoon Kang, Yong-Hoon Yang, Yang-Ho Jung, Seon Hwa Choi
  • Publication number: 20220085340
    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: May 20, 2021
    Publication date: March 17, 2022
    Inventors: Jae Hun LEE, Jun Gi KIM, Jun Ho SIM, Yang-Ho JUNG
  • Publication number: 20220069001
    Abstract: A display device including a plurality of sub-display panels, wherein each of the sub-display panels includes: a first substrate; a plurality of transistors on the first substrate; a capping member arranged along an edge of the first substrate to surround the transistors; a second substrate on the capping member and the transistors; and a plurality of light emitting elements on the second substrate and electrically connected to the transistors, respectively.
    Type: Application
    Filed: June 29, 2021
    Publication date: March 3, 2022
    Inventors: Hoon KANG, Woongsik KIM, Sanghyun YUN, Yang-Ho JUNG
  • Publication number: 20220059802
    Abstract: A display device includes: a display element layer including an emission area and a non-emission area around the emission area; a first conductive layer on the non-emission area; a first insulating layer on the non-emission area to cover the first conductive layer, the first insulating layer having an opening part overlapping the emission area in a plan view; a second conductive layer on the first insulating layer; and a reflection pattern spaced apart from the second conductive layer and on the first insulating layer.
    Type: Application
    Filed: April 30, 2021
    Publication date: February 24, 2022
    Inventors: YANG-HO JUNG, JUNGI KIM, JUNHO SIM, JAEHUN LEE
  • Publication number: 20210217831
    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: January 5, 2021
    Publication date: July 15, 2021
    Inventors: Yang Ho JUNG, Jun Gi KIM, Jae Hun LEE, Bo Geon JEON
  • Publication number: 20210181879
    Abstract: A display device includes a display panel with a light emitting area from which a light exits is defined 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: November 18, 2020
    Publication date: June 17, 2021
    Inventors: Jungi KIM, Jaehun Lee, Bogeon Jeon, Yang-Ho Jung
  • Publication number: 20210167151
    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: September 17, 2020
    Publication date: June 3, 2021
    Inventors: Jungi Kim, Jin-Su Byun, Jaehun Lee, Bogeon Jeon, Yang-Ho Jung
  • Patent number: 10991772
    Abstract: A touch display panel including a thin-film transistor substrate comprising a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having a plane area the same as or smaller than that of the first metal pattern, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer, and contacting the first metal pattern, the first insulation pattern, and the second metal pattern.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 27, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Ho Jung, Chul-Won Park, Jeong-Min Park, Beung-Hwa Jeong
  • Patent number: 10910584
    Abstract: A light emitting device includes a substrate. A thin film transistor is disposed on the substrate. A first electrode is connected to the thin film transistor. A second electrode at least partially overlaps the first electrode. A first partition wall is disposed between the first electrode and the second electrode. An insulating layer is disposed between the thin film transistor and the first electrode. The insulating layer includes a first part having a first thickness and a second part having a second thickness that is different than the first thickness. The second part of the insulating layer at least partially overlaps the first partition wall.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Chun, Jin-Su Byun, Bo Geon Jeon, Jun Gi Kim, Jeong Min Park, Yang-Ho Jung, Seon Hwa Choi
  • Patent number: 10811641
    Abstract: A display device includes: a substrate on which is disposed: an organic light emitting element which generates and emits light with which an image is displayed; a thin film transistor connected to the organic light emitting element and with which the organic light emitting element is controlled to emit the light; an interlayer insulating layer disposed between the thin film transistor and the organic light emitting element, the interlayer insulating layer including an organic material; and a capping layer disposed between the interlayer insulating layer and the organic light emitting element, the capping layer including an inorganic material. The interlayer insulating layer disposed between the thin film transistor and the organic light emitting element does not have photosensitivity and does not include sulfur.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Gi Kim, Jin-Su Byun, Yang-Ho Jung, Eui Suk Jung, Seon Hwa Choi
  • Publication number: 20200272052
    Abstract: A photopolymerizable resin composition includes a first layer and a second layer; and a barrier layer disposed between the first layer and the second layer, the barrier layer includes one or more of SiNx, SiOx, SiON, Mo, a Mo oxide, Cu, a Cu oxide, Al, an Al oxide, Ag, and a Ag oxide.
    Type: Application
    Filed: January 14, 2020
    Publication date: August 27, 2020
    Applicant: Samsung Display Co., LTD.
    Inventors: Hoon KANG, Yong-Hoon YANG, Yang-Ho JUNG, Seon Hwa CHOI
  • Patent number: 10727257
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Publication number: 20200127022
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Inventors: Seung-Bo SHIM, Jun-Gi KIM, Yong-Jun PARK, Yang-Ho JUNG, Jin-Ho JU
  • Publication number: 20200020748
    Abstract: A touch display panel including a thin-film transistor substrate comprising a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having a plane area the same as or smaller than that of the first metal pattern, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer, and contacting the first metal pattern, the first insulation pattern, and the second metal pattern.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Inventors: YANG-HO JUNG, CHUL-WON PARK, JEONG-MIN PARK, BEUNG-HWA JEONG
  • Patent number: 10529751
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: January 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 10514809
    Abstract: A flexible display device including a display panel providing a base surface and a touch sensing part disposed on the base surface. The display panel further includes a buffer layer and is divided into a plurality of emission areas and non-emission areas disposed adjacent thereto. The buffer layer includes recessed portions, each of which has a groove defined in a corresponding emission area of the emission areas and flat portions connected to the recessed portions. The touch sensing part disposed on the buffer layer includes conductive patterns and an insulation layer covering the conductive patterns.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: December 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beunghwa Jeong, Yang-ho Jung