Patents by Inventor YongBaek LEE

YongBaek LEE 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: 20230047204
    Abstract: An organic light-emitting display device and method of manufacturing the same are provided. An organic light-emitting display device includes: a substrate, an organic light-emitting device on the substrate, an encapsulation layer on the substrate and the organic light-emitting device, the encapsulation layer covering the organic light-emitting device, the encapsulation layer including an encapsulation hole, a black matrix covering the encapsulation layer, the black matrix including a black matrix hole over the encapsulation hole, and a color filter in the encapsulation hole and the black matrix hole.
    Type: Application
    Filed: October 28, 2022
    Publication date: February 16, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: YongBaek LEE, Ho-Jin KIM, Goeun JUNG, Dongyoung KIM
  • Patent number: 11489134
    Abstract: An organic light-emitting display device and method of manufacturing the same are provided. An organic light-emitting display device includes: a substrate, an organic light-emitting device on the substrate, an encapsulation layer on the substrate and the organic light-emitting device, the encapsulation layer covering the organic light-emitting device, the encapsulation layer including an encapsulation hole, a black matrix covering the encapsulation layer, the black matrix including a black matrix hole over the encapsulation hole, and a color filter in the encapsulation hole and the black matrix hole.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: November 1, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: YongBaek Lee, Ho-Jin Kim, Goeun Jung, Dongyoung Kim
  • Patent number: 11335888
    Abstract: Disclosed is an electroluminescent display device comprising an a substrate including a display area and a non-display area, an emission device in the display area on the substrate, an encapsulation layer extending from the display area to the non-display area, wherein the encapsulation layer is provided on the emission device, a plurality of pad electrodes in the non-display area on the substrate, and a protection layer provided in the area between each of the plurality of pad electrodes, and configured to protect an insulating layer disposed there below, wherein the encapsulation layer is provided with an opening area configured to expose at least a portion in each of the plurality of pad electrodes and at least a portion of the protection layer.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: May 17, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: YongBaek Lee, Ho-Jin Kim, Hansun Park
  • Patent number: 11158696
    Abstract: An electroluminescent display apparatus includes: a substrate, a plurality of subpixels on the substrate, a first electrode respectively in each of the plurality of subpixels, the first electrode including: a first sub-electrode, and a second sub-electrode, a light-emitting layer on the first electrode, and a second electrode on the light-emitting layer, wherein a whole upper surface of each of the first sub-electrode and the second sub-electrode contacts a lower surface of the light-emitting layer.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: October 26, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Howon Choi, YongBaek Lee, Eunil Cho
  • Patent number: 11139343
    Abstract: A display device includes a substrate provided with a first subpixel and a second subpixel; a first electrode provided on the substrate, including a first sub electrode provided on the first subpixel and a second sub electrode provided on the second subpixel; a transparent electrode including a first transparent electrode provided to cover the first sub electrode and a second transparent electrode provided to cover the second sub electrode; an organic light emitting layer including a first organic light emitting layer arranged on the first transparent electrode and a second organic light emitting layer arranged on the second transparent electrode; a second electrode arranged on the organic light emitting layer; a first bank provided between the first transparent electrode and the second transparent electrode to partition the first subpixel and the second subpixel from each other; and a first color filter arranged to correspond to the first subpixel.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: October 5, 2021
    Assignee: LG Display Co., Ltd
    Inventors: Eunil Cho, Howon Choi, YongBaek Lee
  • Patent number: 11114649
    Abstract: A light-emitting display device is provided. The light-emitting display device includes a first substrate, a first electrode layer on the first substrate, a bank layer that has openings exposing part of the first electrode layer, an emissive layer on the first electrode layer, bank grooves formed by recessing the bank layer, a second electrode layer on the emissive layer, and a low-reflectivity layer that lies on the second electrode layer and is positioned to correspond to the bank grooves.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: September 7, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dongyoung Kim, Changhwa Jun, Yongbaek Lee, Jang Jo, Jiho Ryu, Hyejin Gong, Yeonsuk Kang
  • Publication number: 20210050555
    Abstract: Disclosed is an electroluminescent display device comprising an a substrate including a display area and a non-display area, an emission device in the display area on the substrate, an encapsulation layer extending from the display area to the non-display area, wherein the encapsulation layer is provided on the emission device, a plurality of pad electrodes in the non-display area on the substrate, and a protection layer provided in the area between each of the plurality of pad electrodes, and configured to protect an insulating layer disposed there below, wherein the encapsulation layer is provided with an opening area configured to expose at least a portion in each of the plurality of pad electrodes and at least a portion of the protection layer.
    Type: Application
    Filed: June 18, 2020
    Publication date: February 18, 2021
    Inventors: YongBaek LEE, Ho-Jin KIM, Hansun PARK
  • Patent number: 10910441
    Abstract: An organic light emitting display device includes a substrate; first and second organic light emitting diodes laterally shifted with respect to each other on the substrate; an encapsulation layer covering the first and second organic light emitting diodes, the encapsulation layer including a plurality of layers; and a first color filter and a second color filter each within the plurality of layers, the first color filter and the second color filter being respectively disposed over respective ones of the first and second organic light emitting diodes at respectively different heights from the substrate.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: February 2, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Dongyoung Kim, YongBaek Lee, Ho-Jin Kim, Goeun Jung
  • Patent number: 10861911
    Abstract: A light-emitting display device and method of manufacturing the same are provided. A light-emitting display device includes: a first substrate, an insulating layer on the first substrate, the insulating layer including depressions and protrusions, a plurality of light-emitting diodes on the protrusions, the light-emitting diodes including: a pixel electrode layer, an emission layer, and a common electrode layer, and a black matrix layer in the depressions.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: December 8, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Dongyoung Kim, Yucheol Yang, Yongbaek Lee
  • Patent number: 10770524
    Abstract: An organic light-emitting display device includes pixels, a bank that defines the pixels and has at least one hollow portion formed between the pixels which neighbor each other, and a light stopper. At least part of the light stopper is inserted into the hollow portion.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yongbaek Lee, Junseok Byun, Dongyoung Kim
  • Patent number: 10734457
    Abstract: An organic light-emitting display device and a method of manufacturing the same are provided. An organic light-emitting display device includes: a substrate; a pixel array layer on the substrate, the pixel array layer including a plurality of pixels, each of the plurality of pixels including an organic light-emitting device, an encapsulation layer covering the pixel array layer, and a touch sensing layer on the encapsulation layer, the touch sensing layer including: a plurality of first touch electrodes, and a plurality of second touch electrodes, wherein the plurality of first and second touch electrodes each include: a transparent conductive layer on an upper surface of the encapsulation layer, and a mesh metal layer on the transparent conductive layer, the mesh metal layer including at least three metal layers.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: August 4, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: YongBaek Lee, ChoongKeun Yoo, Dongyoung Kim
  • Patent number: 10714544
    Abstract: Disclosed is a display device with integrated touch screen, in which a resistance of a touch electrode is reduced by using a black matrix. The display device includes an organic light emitting device layer disposed on a substrate, a plurality of color filters disposed on the organic light emitting device layer, a black matrix disposed to overlap a boundary portion between the plurality of color filters and including a three or more-layered metal layer, and a plurality of first touch electrodes and a plurality of second touch electrodes disposed on the black matrix.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: July 14, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Yeonsuk Kang, JoonYoung Heo, YongBaek Lee
  • Publication number: 20200176521
    Abstract: A display device includes a substrate provided with a first subpixel and a second subpixel; a first electrode provided on the substrate, including a first sub electrode provided on the first subpixel and a second sub electrode provided on the second subpixel; a transparent electrode including a first transparent electrode provided to cover the first sub electrode and a second transparent electrode provided to cover the second sub electrode; an organic light emitting layer including a first organic light emitting layer arranged on the first transparent electrode and a second organic light emitting layer arranged on the second transparent electrode; a second electrode arranged on the organic light emitting layer; a first bank provided between the first transparent electrode and the second transparent electrode to partition the first subpixel and the second subpixel from each other; and a first color filter arranged to correspond to the first subpixel.
    Type: Application
    Filed: November 19, 2019
    Publication date: June 4, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Eunil CHO, Howon CHOI, YongBaek LEE
  • Publication number: 20200135823
    Abstract: An electroluminescent display apparatus includes: a substrate, a plurality of subpixels on the substrate, a first electrode respectively in each of the plurality of subpixels, the first electrode including: a first sub-electrode, and a second sub-electrode, a light-emitting layer on the first electrode, and a second electrode on the light-emitting layer, wherein a whole upper surface of each of the first sub-electrode and the second sub-electrode contacts a lower surface of the light-emitting layer.
    Type: Application
    Filed: July 31, 2019
    Publication date: April 30, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Howon CHOI, YongBaek LEE, Eunil CHO
  • Publication number: 20190326362
    Abstract: An organic light emitting display device includes a substrate; first and second organic light emitting diodes laterally shifted with respect to each other on the substrate; an encapsulation layer covering the first and second organic light emitting diodes, the encapsulation layer including a plurality of layers; and a first color filter and a second color filter each within the plurality of layers, the first color filter and the second color filter being respectively disposed over respective ones of the first and second organic light emitting diodes at respectively different heights from the substrate.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 24, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Dongyoung KIM, YongBaek LEE, Ho-Jin KIM, Goeun JUNG
  • Patent number: 10396309
    Abstract: Discussed is a display device and a fabricating method thereof according to an embodiment, in which an organic-inorganic composite film is patterned without a mask by using an anti-film layer, and a residual anti-film layer protects a pad portion. The display device comprises a lower substrate; pixels arranged on a display area of the lower substrate; pads arranged on a non-display area of the lower substrate; an encapsulation layer arranged on the pixels; and an anti-film layer arranged on the pads as a molecular layer having a thickness of a single molecule. Also, the fabricating method of the display device comprises the steps of forming pads on a non-display area of a lower substrate and forming pixels on a display area; and forming an anti-film layer on the pixels as a molecular layer having a thickness of a single molecule.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: August 27, 2019
    Assignees: LG DISPLAY CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Ho-Jin Kim, ChoongKeun Yoo, YongBaek Lee, Hyungjun Kim, Il-Kwon Oh, Seunggi Seo
  • Patent number: 10388702
    Abstract: An organic light emitting display device includes a substrate; first and second organic light emitting diodes laterally shifted with respect to each other on the substrate; an encapsulation layer covering the first and second organic light emitting diodes, the encapsulation layer including a plurality of layers; and a first color filter and a second color filter each within the plurality of layers, the first color filter and the second color filter being respectively disposed over respective ones of the first and second organic light emitting diodes at respectively different heights from the substrate.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: August 20, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Dongyoung Kim, YongBaek Lee, Ho-Jin Kim, Goeun Jung
  • Publication number: 20190198590
    Abstract: A light-emitting display device and method of manufacturing the same are provided. A light-emitting display device includes: a first substrate, an insulating layer on the first substrate, the insulating layer including depressions and protrusions, a plurality of light-emitting diodes on the protrusions, the light-emitting diodes including: a pixel electrode layer, an emission layer, and a common electrode layer, and a black matrix layer in the depressions.
    Type: Application
    Filed: December 20, 2018
    Publication date: June 27, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Dongyoung KIM, Yucheol YANG, Yongbaek LEE
  • Publication number: 20190165326
    Abstract: A light-emitting display device is provided. The light-emitting display device includes a first substrate, a first electrode layer on the first substrate, a bank layer that has openings exposing part of the first electrode layer, an emissive layer on the first electrode layer, bank grooves formed by recessing the bank layer, a second electrode layer on the emissive layer, and a low-reflectivity layer that lies on the second electrode layer and is positioned to correspond to the bank grooves.
    Type: Application
    Filed: November 20, 2018
    Publication date: May 30, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dongyoung Kim, Changhwa Jun, Yongbaek Lee, Jang Jo, Jiho Ryu, Hyejin Gong, Yeongsuk Kang
  • Publication number: 20190165066
    Abstract: An organic light-emitting display device includes pixels, a bank that defines the pixels and has at least one hollow portion formed between the pixels which neighbor each other, and a light stopper. At least part of the light stopper is inserted into the hollow portion.
    Type: Application
    Filed: November 26, 2018
    Publication date: May 30, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Yongbaek LEE, Junseok BYUN, Dongyoung KIM