Patents by Inventor HanSun PARK

HanSun 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: 11956993
    Abstract: An organic light emitting display device and a method for manufacturing the same are disclosed. The organic light emitting display device includes a substrate divided into an emission area and a non-emission area, an overcoat layer disposed on the substrate and including a plurality of micro lenses in the emission area, a first electrode disposed on the overcoat layer and disposed in the emission area, an organic emission layer disposed on the substrate and having at least one layer which is flatly formed in the emission area, and a second electrode disposed on the organic emission layer.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: April 9, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: SeungRyong Joung, KangJu Lee, Hansun Park, Seongsu Jeon, Wonhoe Koo
  • Patent number: 11552275
    Abstract: An organic light-emitting display device and a method of fabricating the same. The organic light-emitting display device includes a substrate including a plurality of subpixels and an overcoat layer disposed in light-emitting areas of the plurality of subpixels. The overcoat layer includes microlenses composed of a plurality of concave portions or a plurality of convex portions. Organic electroluminescent devices are disposed on the overcoat layer. At least one subpixel of the plurality of subpixels includes first microlenses and second microlenses of the microlenses, the second microlenses being different from the first microlenses.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: January 10, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hansun Park, Kangju Lee, SeungRyong Joung, Seongsu Jeon, Wonhoe Koo
  • Publication number: 20220208880
    Abstract: An electroluminescent display apparatus includes a substrate including a display area and a non-display area outside the display area, a first electrode provided in each of a plurality of subpixels in the display area of the substrate, a connection electrode provided in the non-display area of the substrate, a bank covering both ends of the first electrode and covering a top surface of the connection electrode, a light emitting layer provided on the first electrode and the bank in the display area and the non-display area, and a second electrode provided on the light emitting layer, wherein, a trench is provided in the bank in the non-display area, one side surface of the connection electrode is exposed at an inner portion of the trench, and the second electrode extends to the inner portion of the trench and contacts the one side surface of the connection electrode.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 30, 2022
    Inventors: Ho-Jin Kim, Hansun Park, Hyeongjun Lim
  • 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: 11322552
    Abstract: A display apparatus includes a substrate including a first subpixel and a second subpixel, a first electrode including a first sub-electrode provided in the first subpixel and a second sub-electrode provided in the second subpixel, the first electrode being provided on the substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, a first bank between the first sub-electrode and the second sub-electrode, the first bank dividing the first subpixel and the second subpixel, a color filter layer on the second electrode, a reflective metal at a portion of the color filter layer, and a light absorbing part on an upper surface of the reflective metal, the light absorbing part absorbing light, wherein the first electrode is provided as a reflective electrode, and the organic light emitting layer is disposed between the reflective electrode and the reflective metal.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: May 3, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Minki Kim, ChoongKeun Yoo, TaeHan Park, Sul Lee, Hansun Park
  • Patent number: 11302885
    Abstract: An electroluminescent display device includes: a substrate including: a first subpixel, a second subpixel, and a third subpixel, an insulating layer on the substrate, the insulating layer including a trench, a first electrode in each of the first to third subpixels on the insulating layer, an emission layer on the first electrode and the insulating layer, and a second electrode on the emission layer, wherein the trench is in a boundary between the first subpixel and the second subpixel, and wherein the trench is not in a boundary between the second subpixel and the third subpixel.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: April 12, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Hyeongjun Lim, Hansun Park
  • Patent number: 11257880
    Abstract: There is provided an organic light emitting diode display device. The organic light emitting diode display device includes a substrate divided into an emission area and a non-emission area, an overcoating layer disposed on the substrate and including a plurality of micro lenses, a plurality of first electrode patterns disposed on the overcoating layer and spaced away from each other in the emission area, an organic emission layer disposed on the plurality of first electrodes, and a second electrode disposed on the organic emission layer.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: February 22, 2022
    Assignee: LG DISPLAY CO, LTD.
    Inventors: SeungRyong Joung, ChangWook Han, KangJu Lee, Hongseok Choi, Hansun Park, SoYeon Ahn, Seongsu Jeon, Wonhoe Koo, JeaHo Park
  • Patent number: 11223027
    Abstract: The present disclosure includes a substrate, a moisture-transmission delay part, and a protective layer. The substrate includes a display area, and a non-display area disposed outside the display area. The moisture-transmission delay part includes a trench which is formed to surround the display area and which has a cross section in which a lower portion has a width greater than a width of an upper portion. The protective layer covers the display area and the non-display area in which the moisture-transmission delay part is formed.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: January 11, 2022
    Assignee: LG DISPLAY CO., LTD
    Inventors: Hansun Park, Hyungseok Bang, Hyeongjun Lim
  • Publication number: 20210367213
    Abstract: An organic light emitting display device and a method for manufacturing the same are disclosed. The organic light emitting display device includes a substrate divided into an emission area and a non-emission area, an overcoat layer disposed on the substrate and including a plurality of micro lenses in the emission area, a first electrode disposed on the overcoat layer and disposed in the emission area, an organic emission layer disposed on the substrate and having at least one layer which is flatly formed in the emission area, and a second electrode disposed on the organic emission layer.
    Type: Application
    Filed: August 10, 2021
    Publication date: November 25, 2021
    Inventors: SeungRyong Joung, KangJu Lee, Hansun Park, Seongsu Jeon, Wonhoe Koo
  • Patent number: 11114643
    Abstract: An organic light emitting display device and a method for manufacturing the same are disclosed. The organic light emitting display device includes a substrate divided into an emission area and a non-emission area, an overcoat layer disposed on the substrate and including a plurality of micro lenses in the emission area, a first electrode disposed on the overcoat layer and disposed in the emission area, an organic emission layer disposed on the substrate and having at least one layer which is flatly formed in the emission area, and a second electrode disposed on the organic emission layer.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: September 7, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung Ryong Joung, Kang Ju Lee, Hansun Park, Seongsu Jeon, Wonhoe Koo
  • Patent number: 11011724
    Abstract: Disclosed is a display apparatus. The display apparatus includes a substrate including a first subpixel, a second subpixel, and a third subpixel. A bottom electrode is on the substrate. A light emitting layer is on the bottom electrode, and a top electrode is on the light emitting layer. Each of the first subpixel, the second subpixel, and the third subpixel includes a first mode pixel having a first viewing angle and a second mode pixel having a second viewing angle that is less than the first viewing angle.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: May 18, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hyeongjun Lim, Hansun Park
  • Publication number: 20210135167
    Abstract: An organic light-emitting display device and a method of fabricating the same. The organic light-emitting display device includes a substrate including a plurality of subpixels and an overcoat layer disposed in light-emitting areas of the plurality of subpixels. The overcoat layer includes microlenses composed of a plurality of concave portions or a plurality of convex portions. Organic electroluminescent devices are disposed on the overcoat layer. At least one subpixel of the plurality of subpixels includes first microlenses and second microlenses of the microlenses, the second microlenses being different from the first microlenses.
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Inventors: Hansun Park, KangJu Lee, SeungRyong Joung, Seongsu Jeon, Wonhoe Koo
  • 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: 10923684
    Abstract: An organic light-emitting display device and a method of fabricating the same. The organic light-emitting display device includes a substrate including a plurality of subpixels and an overcoat layer disposed in light-emitting areas of the plurality of subpixels. The overcoat layer includes microlenses composed of a plurality of concave portions or a plurality of convex portions. Organic electroluminescent devices are disposed on the overcoat layer. At least one subpixel of the plurality of subpixels includes first microlenses and second microlenses of the microlenses, the second microlenses being different from the first microlenses.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: February 16, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hansun Park, KangJu Lee, SeungRyong Joung, Seongsu Jeon, Wonhoe Koo
  • Patent number: 10916701
    Abstract: An ultra-fine pattern deposition apparatus can include a base substrate; a photothermal converter disposed on or in the base substrate and configured to convert optical energy into thermal energy; a source part disposed on the photothermal converter; and a light reflector configured to reflect light based on a refractive index difference between the light reflector and the base substrate, and guide a source material emitted from the source part to a target region based on an opening in the light reflector and the photothermal converter being heated with the thermal energy from the photothermal converter, in which the opening in the light reflector includes a laterally recessed lower part and an upper part protruded from the laterally recessed lower part, and the laterally recessed lower part is between the upper part and the base substrate, and the photothermal converter is disposed between base substrate and the source part.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: February 9, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyungseok Bang, Hansun Park, Hyeongjun Lim
  • Patent number: 10790473
    Abstract: The disclosure relates to a high-aperture-ratio microdisplay with a microcavity structure. The microdisplay comprises a substrate, unit pixels, driving elements, and organic light-emitting diodes. The organic light-emitting diodes each comprise: an anode, an organic emission layer, and a cathode. The anode is formed by sequentially stacking a reflecting electrode, a first dielectric layer, a second dielectric layer, and a transparent electrode. The organic emission layer is stacked over the anode. The cathode is stacked over the organic emission layer. The first dielectric layer and the second dielectric layer have contact portion that open at least one corner of the reflecting electrode. The anode is connected to the reflecting electrode through the contact portions.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: September 29, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jiyeon Park, Hansun Park, Hyungseok Bang, Hyeongjun Lim
  • Publication number: 20200212111
    Abstract: A display apparatus includes a substrate including a first subpixel and a second subpixel, a first electrode including a first sub-electrode provided in the first subpixel and a second sub-electrode provided in the second subpixel, the first electrode being provided on the substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, a first bank between the first sub-electrode and the second sub-electrode, the first bank dividing the first subpixel and the second subpixel, a color filter layer on the second electrode, a reflective metal at a portion of the color filter layer, and a light absorbing part on an upper surface of the reflective metal, the light absorbing part absorbing light, wherein the first electrode is provided as a reflective electrode, and the organic light emitting layer is disposed between the reflective electrode and the reflective metal.
    Type: Application
    Filed: December 17, 2019
    Publication date: July 2, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Minki Kim, ChoongKeun Yoo, TaeHan Park, Sul Lee, Hansun Park
  • Publication number: 20200044178
    Abstract: An electroluminescent display device includes: a substrate including: a first subpixel, a second subpixel, and a third subpixel, an insulating layer on the substrate, the insulating layer including a trench, a first electrode in each of the first to third subpixels on the insulating layer, an emission layer on the first electrode and the insulating layer, and a second electrode on the emission layer, wherein the trench is in a boundary between the first subpixel and the second subpixel, and wherein the trench is not in a boundary between the second subpixel and the third subpixel.
    Type: Application
    Filed: July 23, 2019
    Publication date: February 6, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Hyeongjun LIM, Hansun PARK
  • Publication number: 20200020755
    Abstract: There is provided an organic light emitting diode display device. The organic light emitting diode display device includes a substrate divided into an emission area and a non-emission area, an overcoating layer disposed on the substrate and including a plurality of micro lenses, a plurality of first electrode patterns disposed on the overcoating layer and spaced away from each other in the emission area, an organic emission layer disposed on the plurality of first electrodes, and a second electrode disposed on the organic emission layer.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventors: SeungRyong JOUNG, ChangWook HAN, KangJu LEE, Hongseok CHOI, Hansun PARK, SoYeon AHN, Seongsu JEON, Wonhoe KOO, JeaHo PARK
  • Publication number: 20200006694
    Abstract: Disclosed is a display apparatus. The display apparatus includes a substrate including a first subpixel, a second subpixel, and a third subpixel. A bottom electrode is on the substrate. A light emitting layer is on the bottom electrode, and a top electrode is on the light emitting layer. Each of the first subpixel, the second subpixel, and the third subpixel includes a first mode pixel having a first viewing angle and a second mode pixel having a second viewing angle that is less than the first viewing angle.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 2, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Hyeongjun LIM, Hansun PARK