Patents by Inventor YEON-SUK KANG

YEON-SUK KANG 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: 20240224692
    Abstract: An organic light emitting diode display device can include first, second and third subpixels disposed on a substrate; first, second and third light emitting diodes disposed in the first, second and third subpixels, respectively; a black matrix disposed in boarder regions of the second subpixel and the third subpixel. Also, a first color filter is disposed in the first subpixel and overlapping with the first light emitting diode; and a transparent layer is disposed in at least one of the second and third subpixels between portions of the black matrix.
    Type: Application
    Filed: October 25, 2023
    Publication date: July 4, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Pu-Reum KIM, Yeon-Suk KANG
  • Publication number: 20240215373
    Abstract: An organic light emitting diode display device includes a substrate having first, second and third subpixels; a light emitting diode in each of the first, second and third subpixels on the substrate; a black matrix in a border region between the first, second and third subpixels on the light emitting diode; first, second and third color filters in the first, second and third subpixels, respectively, on the light emitting diode, a thickness of each of the first, second and third color filters smaller than a thickness of the black matrix; and a microlens on each of the first, second and third color filters.
    Type: Application
    Filed: September 15, 2023
    Publication date: June 27, 2024
    Applicant: LG Display Co., Ltd
    Inventor: Yeon-Suk KANG
  • Publication number: 20240215409
    Abstract: An organic light-emitting diode display device can include a substrate providing with a plurality of sub-pixels. The device includes a light-emitting diode disposed at each of the plurality of sub-pixels over the substrate. The device includes a color filter over the light-emitting diode. The device includes a lens layer over the color filter. The device includes an overcoat layer over the lens layer. A concave portion is provided between adjacent color filters. The lens layer includes a convex lens portion over the color filter and a concave lens portion over the concave portion.
    Type: Application
    Filed: October 11, 2023
    Publication date: June 27, 2024
    Inventors: Yeon-Suk KANG, Pu-Reum KIM
  • Patent number: 10840305
    Abstract: An organic light emitting diode display device in one example includes a substrate including first to third subpixels, a first electrode in each of the first to third subpixels, a hole injection layer on the first electrode in each of the first to third subpixels, first to third light emitting layers each on the hole injection layer in each of the first to third subpixels, first to third inorganic patterns which are on the first to third emitting layers in the first to third subpixels, respectively, an electron injection layer which is on the first to third inorganic patterns and is over the entire surfaces of the first to third subpixels, and a second electrode which is on the electron injection layer and is over the entire surfaces of the first to third subpixels.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: November 17, 2020
    Assignee: LG DISPLAY CO, LTD.
    Inventors: Dong-Hee Yoo, Seog-Shin Kang, Yeon-Suk Kang
  • Patent number: 10396133
    Abstract: A two way organic light emitting display device having red, green and blue organic light emitting diodes at corresponding red, green and blue sub-pixels comprises an anode layer disposed at each sub-pixel and each including a first electrode, a first color control layer corresponding to the red sub-pixel and disposed on the first electrode, a second color control layer corresponding to the green sub-pixel and disposed on the first electrode, and a third color control layer corresponding to the blue sub-pixel and disposed on the first electrode, and a second electrode electrically connected to the first electrode and disposed on the first, second and third color control layers, an organic light emitting layer disposed on the anode layer and emitting white light; and a cathode layer disposed on the organic light emitting layer, wherein the white light passes through the first, second and third color layers having different thicknesses and the anode layer and is converted to red, green and blue light in a first
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: August 27, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Chang-Hwa Jun, Yeon-Suk Kang, Hye-Jin Gong, Jang Jo
  • Publication number: 20190198577
    Abstract: An organic light emitting diode display device in one example includes a substrate including first to third subpixels, a first electrode in each of the first to third subpixels, a hole injection layer on the first electrode in each of the first to third subpixels, first to third light emitting layers each on the hole injection layer in each of the first to third subpixels, first to third inorganic patterns which are on the first to third emitting layers in the first to third subpixels, respectively, an electron injection layer which is on the first to third inorganic patterns and is over the entire surfaces of the first to third subpixels, and a second electrode which is on the electron injection layer and is over the entire surfaces of the first to third subpixels.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 27, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Dong-Hee Yoo, Seog-Shin Kang, Yeon-Suk Kang
  • Publication number: 20190189697
    Abstract: A two way organic light emitting display device having red, green and blue organic light emitting diodes at corresponding red, green and blue sub-pixels comprises an anode layer disposed at each sub-pixel and each including a first electrode, a first color control layer corresponding to the red sub-pixel and disposed on the first electrode, a second color control layer corresponding to the green sub-pixel and disposed on the first electrode, and a third color control layer corresponding to the blue sub-pixel and disposed on the first electrode, and a second electrode electrically connected to the first electrode and disposed on the first, second and third color control layers, an organic light emitting layer disposed on the anode layer and emitting white light; and a cathode layer disposed on the organic light emitting layer, wherein the white light passes through the first, second and third color layers having different thicknesses and the anode layer and is converted to red, green and blue light in a first
    Type: Application
    Filed: August 3, 2018
    Publication date: June 20, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Chang-Hwa JUN, Yeon-Suk KANG, Hye-Jin GONG, Jang JO
  • Patent number: 9412973
    Abstract: An organic light emitting diode display device which may improve luminous emitting efficiency by forming a scattering layer with a material including fluorine and a method of fabricating the same are discussed. The organic light emitting diode display device can include a thin film transistor formed on a substrate; an overcoat layer formed on the substrate such that the thin film transistor is covered; a scattering layer formed on the overcoat layer and formed with a material including fluorine; and an organic light emitting cell formed on the scattering layer and including a first electrode, an organic emission layer and a second electrode sequentially laminated, wherein light emitted from the organic light emitting cell passes through the scattering layer and then is emitted through the substrate.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: August 9, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Kang-Ju Lee, Soo-Kang Kim, Yeon-Suk Kang
  • Publication number: 20150129857
    Abstract: An organic light emitting diode display device which may improve luminous emitting efficiency by forming a scattering layer with a material including fluorine and a method of fabricating the same are discussed. The organic light emitting diode display device can include a thin film transistor formed on a substrate; an overcoat layer formed on the substrate such that the thin film transistor is covered; a scattering layer formed on the overcoat layer and formed with a material including fluorine; and an organic light emitting cell formed on the scattering layer and including a first electrode, an organic emission layer and a second electrode sequentially laminated, wherein light emitted from the organic light emitting cell passes through the scattering layer and then is emitted through the substrate.
    Type: Application
    Filed: November 12, 2014
    Publication date: May 14, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: KANG-JU LEE, SOO-KANG KIM, YEON-SUK KANG