Patents by Inventor Hyunil Ko

Hyunil Ko 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).

  • Electroluminescent display device with flatness improvement of emission layer
    Patent number: 10930716
    Abstract: An electroluminescent display device includes a substrate, an electrode on the substrate, a first bank layer for covering an end of the electrode and exposing the electrode, a second bank layer on the first bank layer, and an emission layer on the exposed electrode, wherein the first bank layer includes a first pattern portion for covering the end of the electrode, and a second pattern portion upwardly extending from the first pattern portion.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: February 23, 2021
    Assignee: LG Display Co. Ltd.
    Inventors: Hyunil Ko, HongKi Park
  • Electroluminescense display device
    Patent number: 10665648
    Abstract: An electroluminescent display device includes a substrate, a circuit device layer provided on the substrate and having a first contact hole, a first electrode provided on the circuit device layer, a bank provided on the first electrode and configured to define a first emission area comprising a first sub emission area for exposing a first portion of the first electrode, and a second sub emission area for exposing a second portion of the first electrode, a first sub emission layer provided in the first sub emission area, and a second sub emission layer provided in the second sub emission area, wherein an area between the first sub emission area and the second sub emission area is overlapped with the first contact hole of the circuit device layer.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 26, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: SeungHan Paek, Hyunil Ko
  • ELECTROLUMINESCENCE DISPLAY DEVICE
    Publication number: 20190206955
    Abstract: An electroluminescent display device includes a substrate, a circuit device layer provided on the substrate and having a first contact hole, a first electrode provided on the circuit device layer, a bank provided on the first electrode and configured to define a first emission area comprising a first sub emission area for exposing a first portion of the first electrode, and a second sub emission area for exposing a second portion of the first electrode, a first sub emission layer provided in the first sub emission area, and a second sub emission layer provided in the second sub emission area, wherein an area between the first sub emission area and the second sub emission area is overlapped with the first contact hole of the circuit device layer.
    Type: Application
    Filed: December 13, 2018
    Publication date: July 4, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: SeungHan PAEK, Hyunil KO
  • ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20180182830
    Abstract: Disclosed is an electroluminescent display device that may include a substrate, an electrode on the substrate, a first bank layer for covering an end of the electrode and exposing the electrode, a second bank layer on the first bank layer, and an emission layer on the exposed electrode, wherein the first bank layer includes a first pattern portion for covering the end of the electrode, and a second pattern portion upwardly extending from the first pattern portion.
    Type: Application
    Filed: November 21, 2017
    Publication date: June 28, 2018
    Inventors: Hyunil Ko, HongKi Park