Patents by Inventor Jongjang PARK

Jongjang PARK 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: 11903263
    Abstract: A method of manufacturing a display device includes forming a first electrode on a substrate, forming a bank layer on the first electrode, wherein the bank layer includes an opening portion exposing at least a portion of the first electrode, forming a first bank layer and a second bank layer by baking the bank layer, wherein the second bank layer is on the first bank layer and has liquid repellency, forming a first layer on the first electrode, and forming a third bank layer and a fourth bank layer by baking the first bank layer and the second bank layer, wherein the fourth bank layer is on the third bank layer and has liquid repellency, wherein the fourth bank layer is thinner than the second bank layer.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongha Lee, Jongjang Park, Seulgi Han
  • Patent number: 11744116
    Abstract: An organic light-emitting display device including a driving element including an active pattern and a gate electrode, an insulation layer covering the driving element, a first diode electrode disposed on the insulation layer and electrically connected to the driving element, a pixel-defining layer disposed on the insulation layer and including a side surface defining an opening overlapping at least a portion of the first diode electrode, an edge-compensation part including an organic material and disposed in a peripheral area of the opening, an organic light-emitting layer disposed on the first diode electrode and the edge-compensation part, and a second diode electrode disposed on the organic light-emitting layer, in which the edge-compensation part includes an inclined surface contacting the organic light-emitting layer, and a taper angle of the inclined surface of the edge-compensation part is less than a taper angle of the side surface of the pixel-defining layer.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongha Lee, Seunguk Noh, Soohyun Park, Jongjang Park, Seoksoon Back, Seulgi Han
  • Publication number: 20230125315
    Abstract: A display device including: a display unit including a plurality of pixels; and a color converter overlapping the display unit. The color converter includes a first color converter, a second color converter, a transmitter, and a light blocking member. The first color converter includes a first color converting layer including first semiconductor nanocrystals, and a first color filter overlapping the first color converting layer. The second color converter includes a second color converting layer including second semiconductor nanocrystal, and a second color filter overlapping the second color converting layer, the transmitter includes a transmitting layer. The light blocking member includes a light blocking member disposed among the adjacent first color converting layer, the second color converting layer, and the transmitting layer, a metal layer disposed on the light blocking member, and a liquid repellent cover layer overlapping the metal layer.
    Type: Application
    Filed: August 11, 2022
    Publication date: April 27, 2023
    Inventor: JONGJANG PARK
  • Publication number: 20230019185
    Abstract: A display device and a method of manufacturing the display device. An auxiliary electrode may be connected to a counter electrode without damaging a light-emitting element because a laser is not used.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Inventors: Jongjang PARK, Seoksoon BACK
  • Publication number: 20220223665
    Abstract: A method of manufacturing a display device includes forming a first electrode on a substrate, forming a bank layer on the first electrode, wherein the bank layer includes an opening portion exposing at least a portion of the first electrode, forming a first bank layer and a second bank layer by baking the bank layer, wherein the second bank layer is on the first bank layer and has liquid repellency, forming a first layer on the first electrode, and forming a third bank layer and a fourth bank layer by baking the first bank layer and the second bank layer, wherein the fourth bank layer is on the third bank layer and has liquid repellency, wherein the fourth bank layer is thinner than the second bank layer.
    Type: Application
    Filed: September 16, 2021
    Publication date: July 14, 2022
    Inventors: Dongha Lee, Jongjang Park, Seulgi Han
  • Publication number: 20220093707
    Abstract: An organic light-emitting display device including a driving element including an active pattern and a gate electrode, an insulation layer covering the driving element, a first diode electrode disposed on the insulation layer and electrically connected to the driving element, a pixel-defining layer disposed on the insulation layer and including a side surface defining an opening overlapping at least a portion of the first diode electrode, an edge-compensation part including an organic material and disposed in a peripheral area of the opening, an organic light-emitting layer disposed on the first diode electrode and the edge-compensation part, and a second diode electrode disposed on the organic light-emitting layer, in which the edge-compensation part includes an inclined surface contacting the organic light-emitting layer, and a taper angle of the inclined surface of the edge-compensation part is less than a taper angle of the side surface of the pixel-defining layer.
    Type: Application
    Filed: May 18, 2021
    Publication date: March 24, 2022
    Inventors: Dongha Lee, Seunguk Noh, Soohyun Park, Jongjang Park, Seoksoon Back, Seulgi Han
  • Publication number: 20210272795
    Abstract: Disclosed is a silver nanowire patterning method including patterning an adhesive conductive polymer thin-film on a substrate, fabricating a polydimethylsiloxane (PDMS) stamp coated with a silver nanowire thin-film, and bonding the substrate patterned with the conductive polymer thin-film to the PDMS stamp coated with the silver nanowire thin-film and then separating the two bonded substrates.
    Type: Application
    Filed: June 26, 2019
    Publication date: September 2, 2021
    Applicant: Seoul National University R&DB Foundation
    Inventors: Yongtaek HONG, Jongjang PARK, Geonhee KIM