Patents by Inventor SUNGJOO KWON

SUNGJOO KWON 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: 20240414949
    Abstract: A display panel includes a light-emitting element and a pixel defining film having a pixel opening defined therein. The light-emitting element may include a first electrode exposed through the pixel opening, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode. The first electrode may include a first layer including an aluminum alloy, a second layer including a transparent conductive oxide, and an anti-oxidation layer including titanium nitride (TiN) and disposed between the first layer and the second layer. When the atomic percentage is about 100 at %, the percentage of alloy atoms excluding aluminum atoms in the aluminum alloy may be about 0.01 at % to about 0.1 at %.
    Type: Application
    Filed: March 15, 2024
    Publication date: December 12, 2024
    Inventors: HYUNEOK SHIN, JUHYUN LEE, SUNGJOO KWON
  • Publication number: 20240322077
    Abstract: A display apparatus includes a display panel including a display area, multiple first partitions disposed on the display panel in the display area, and a first auxiliary layer arranged on at least a portion of outer surfaces of the first partitions and including an opening arranged between adjacent first partitions.
    Type: Application
    Filed: March 12, 2024
    Publication date: September 26, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyuneok Shin, Sungjoo Kwon, Juhyun Lee, Yangho Jung, Yungbin Chung, Yugwang Jeong
  • Publication number: 20240274625
    Abstract: An apparatus for manufacturing a display device includes a stage on which a display substrate is arranged, a nozzle portion facing the stage, where the nozzle portion supplies gas to the display substrate to form at least one selected from a base portion and a graphene layer on the display substrate, and a driver connected to at least one of the nozzle portion and the stage, where the driver linearly moves at least one selected from the nozzle portion and the stage in a predetermined direction. The nozzle portion forms the at least one selected from the base portion and the graphene layer on the display substrate based on a relative motion thereof with the stage.
    Type: Application
    Filed: February 5, 2024
    Publication date: August 15, 2024
    Inventors: Yungbin CHUNG, Changhee LEE, Yijoon AHN, Sungjoo KWON, Joonyong PARK, Hyuneok SHIN, Juhyun LEE, Samtae JEONG
  • Publication number: 20240224604
    Abstract: A display panel includes a base layer, a lower pixel defining layer having first and second light emitting openings which are defined in the lower pixel defining layer, an upper pixel defining layer having first and second upper openings which are defined in the upper pixel defining layer, and overlapping the first and second light emitting openings, respectively, a first light emitting element including a first electrode, a first protective layer, a first light emitting pattern, and a second electrode and disposed in the first upper opening, and a second light emitting element including a first electrode, a second protective layer, a second light emitting pattern, and a second electrode and disposed in the second upper opening. Each of the first protective layer and the second protective layer is a display panel including a titanium oxide.
    Type: Application
    Filed: January 2, 2024
    Publication date: July 4, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: HYUNEOK SHIN, SUNGJOO KWON, JOONYONG PARK
  • Publication number: 20240179998
    Abstract: A display device includes a substrate, a pixel circuit layer disposed on the substrate and including at least one thin film transistor, and a pixel electrode disposed on the pixel circuit layer and electrically connected to the at least one thin film transistor, wherein the pixel electrode includes a lower layer including aluminum, an intermediate layer disposed on the lower layer and including a tungsten oxide, and an upper layer disposed on the intermediate layer and including a transparent conductive oxide.
    Type: Application
    Filed: November 22, 2023
    Publication date: May 30, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyuneok Shin, Sungjoo Kwon, Sanggab Kim, Dokeun Song
  • Publication number: 20240172523
    Abstract: A display panel includes a base layer, a lower electrode on the base layer, a protection pattern on the lower electrode, a pixel-defining film on the base layer to cover the protection pattern, a conductive partition wall on the pixel-defining film, a light-emitting pattern on the lower electrode to partially cover the pixel-defining film, and an upper electrode on the lower electrode. The protection pattern may include a first layer which includes molybdenum tantalum oxide (MoTaOx), and is disposed on the lower electrode, and a second layer which includes a transparent conductive oxide and is disposed on the first layer.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 23, 2024
    Inventors: HYUNEOK SHIN, SUNGJOO KWON, JOONYONG PARK
  • Publication number: 20240074286
    Abstract: A display device includes a circuit layer and a display element layer on the circuit layer. The display element layer includes a light-emitting element and a pixel-defining film, through which a pixel opening is defined, and the light-emitting element includes a first electrode exposed through the pixel opening, a second electrode disposed opposite to the first electrode, and a light-emitting layer disposed between the first electrode and the second electrode. The first electrode includes a metal layer and a graphene layer disposed on an upper surface of the metal layer, and the metal layer and the graphene layer each have a hexagonal closed packed structure.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 29, 2024
    Inventors: HYUNEOK SHIN, TAEWOOK KANG, SUNGJOO KWON, JOONYONG PARK, JUHYUN LEE, CHANGHEE LEE, SAMTAE JEONG, YUNG BIN CHUNG
  • Publication number: 20230309348
    Abstract: A display device includes a transistor disposed on a substrate, an organic layer disposed on the transistor and defining grooves, a first pixel electrode disposed on the organic layer, electrically connected to the transistor, and including a pixel metal layer and a pixel protective layer, the pixel protective layer including at least one of an oxide and a halide and surrounding the pixel metal layer, and a dummy electrode disposed on the organic layer, spaced apart from the transistor, and including a dummy metal layer and a dummy protective layer, the dummy protective layer including at least one of an oxide and a halide and surrounding the dummy metal layer.
    Type: Application
    Filed: December 7, 2022
    Publication date: September 28, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: SUNGJOO KWON, JOONYONG PARK, SUBIN BAE, HYUNAH SUNG, HYUNEOK SHIN, DONGMIN LEE, JUHYUN LEE, YU-GWANG JEONG, SUNGWON CHO
  • Patent number: 11683947
    Abstract: An organic light emitting display device may include a substrate, a first pixel electrode on the substrate, a pixel defining layer on the substrate, the pixel defining layer having an opening exposing a portion of the first pixel electrode, a second pixel electrode on the portion of the first pixel electrode exposed by the opening, a hole injection layer on the second pixel electrode, the hole injection layer including a metal oxide, an organic light emitting layer on the hole injection layer; and a common electrode on the organic light emitting layer.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungjoo Kwon, Hyuneok Shin, Juhyun Lee
  • Patent number: 11616117
    Abstract: A display apparatus includes: a substrate comprising a main display area, a component area, and a peripheral area; a main pixel electrode at the main display area of the substrate; a main thin-film transistor at the main display area of the substrate and electrically connected to the main pixel electrode; an auxiliary pixel electrode at the component area of the substrate; an auxiliary thin-film transistor at the peripheral area of the substrate; and a connecting wire connected to the auxiliary pixel electrode and including a thin portion having a thickness less than a thickness of the auxiliary pixel electrode, wherein the connecting wire electrically connects the auxiliary thin-film transistor to the auxiliary pixel electrode.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: March 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Juhyun Lee, Hyuneok Shin, Sungjoo Kwon
  • Publication number: 20220149144
    Abstract: A display apparatus includes: a substrate comprising a main display area, a component area, and a peripheral area; a main pixel electrode at the main display area of the substrate; a main thin-film transistor at the main display area of the substrate and electrically connected to the main pixel electrode; an auxiliary pixel electrode at the component area of the substrate; an auxiliary thin-film transistor at the peripheral area of the substrate; and a connecting wire connected to the auxiliary pixel electrode and including a thin portion having a thickness less than a thickness of the auxiliary pixel electrode, wherein the connecting wire electrically connects the auxiliary thin-film transistor to the auxiliary pixel electrode.
    Type: Application
    Filed: October 21, 2021
    Publication date: May 12, 2022
    Inventors: Juhyun LEE, Hyuneok SHIN, Sungjoo KWON
  • Publication number: 20220085319
    Abstract: An organic light emitting display device may include a substrate, a first pixel electrode on the substrate, a pixel defining layer on the substrate, the pixel defining layer having an opening exposing a portion of the first pixel electrode, a second pixel electrode on the portion of the first pixel electrode exposed by the opening, a hole injection layer on the second pixel electrode, the hole injection layer including a metal oxide, an organic light emitting layer on the hole injection layer; and a common electrode on the organic light emitting layer.
    Type: Application
    Filed: May 13, 2021
    Publication date: March 17, 2022
    Inventors: SUNGJOO KWON, HYUNEOK SHIN, JUHYUN LEE