Patents by Inventor CHANGKYU JIN

CHANGKYU JIN 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: 11276839
    Abstract: An organic light-emitting display apparatus includes a substrate having a display area displaying an image and a periphery area. The periphery area is located next to the display area. A first organic insulating layer is disposed on the substrate. The first organic insulating layer includes a valley portion separating the first organic insulating layer from the periphery area. A plurality of organic light-emitting devices is disposed on the substrate. Each of the organic light-emitting devices includes a first electrode, an emission layer, and a second electrode, sequentially disposed over the first organic insulating layer. The second electrode covers the emission layer and the valley portion. A second organic insulating layer is disposed over the first organic insulating layer and incudes a first opening exposing a center portion of the first electrode and a second opening overlapping the valley portion. A capping layer covers the second electrode.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jieun Lee, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Changkyu Jin
  • Patent number: 11251254
    Abstract: A display apparatus includes a substrate having a first area, a second area, and a bending area disposed therebetween. The substrate is bent at the bending area about a bending axis. An inorganic insulating layer is disposed over the substrate and includes an opening or groove corresponding to the bending area. An organic material layer fills the opening or groove. A first conductive layer extends from the first area to the second area through the bending area. The first conductive layer is disposed over the organic material layer and includes a multipath portion having a plurality of through holes. A length of the multipath portion, in a direction from the first area to the second area, is greater than a width of the opening or groove, in the direction from the first area to the second area.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: February 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongsoo Kim, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Joongsoo Moon, Hyunae Park, Jieun Lee, Changkyu Jin
  • Publication number: 20210327974
    Abstract: A display apparatus includes a substrate, a display unit, a first wire unit, and a dummy unit. The substrate includes a first area, a second area, and a bending area. The bending area is disposed between a first area and a second area. The display unit is disposed in the first area. The first wire unit is electrically connected to the display unit and includes a plurality of first wires disposed on the substrate over the first area, the bending area, and the second area. The plurality of first wires include a plurality of holes disposed in the bending area and spaced apart from each other by a first pitch. The dummy wire unit includes a plurality of dummy wires disposed in the bending area.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 21, 2021
    Inventors: Changkyu JIN, Wonkyu KWAK, Kwangmin KIM, Kiwook KIM, Dongsoo KIM, Joongsoo MOON, Hyunae PARK, Jieun LEE
  • Publication number: 20210313413
    Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.
    Type: Application
    Filed: May 10, 2021
    Publication date: October 7, 2021
    Inventors: Youngjin CHO, Yangwan KIM, Joong-Soo MOON, Minwoo BYUN, Changkyu JIN
  • Publication number: 20210257441
    Abstract: A display apparatus including a substrate, a first power source line disposed in a peripheral area adjacent to a display area, the first power source line including a first layer and a second layer electrically connected to each other, a first gate pattern disposed between the first layer of the substrate and including a first gate fan-out line in the peripheral area and a first gate connecting line connected to the first gate fan-out line and extending between the first gate fan-out line and the display area, a first insulation layer disposed between the first layer and the second layer of the first power source line, a second insulation layer disposed between the first insulation layer and the second layer, and a first insulating dam disposed on and contacting the second layer, the first insulating dam disposed in the peripheral area and surrounding the display area.
    Type: Application
    Filed: May 4, 2021
    Publication date: August 19, 2021
    Inventors: Youngjin CHO, Joong-Soo MOON, Cheol-Gon LEE, Yang Wan KIM, Changkyu JIN
  • Patent number: 11094771
    Abstract: A display device includes a substrate including a pixel area and a peripheral area, a plurality of pixels disposed in the pixel area of the substrate, a first initialization line disposed in the peripheral area of the substrate, the first initialization line being configured to provide a first initialization voltage to the plurality of pixels, and a second initialization line disposed in the peripheral area of the substrate, the second initialization line being configured to provide a second initialization voltage to the plurality of pixels. At least a portion of the first initialization line may overlap with the second initialization line.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: August 17, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngjin Cho, Joong-Soo Moon, Changkyu Jin, Yangwan Kim
  • Publication number: 20210240301
    Abstract: A display apparatus includes a substrate including a display region and a non-display region, a display element layer, a pad group, a touch electrode layer, and a touch insulating layer. The display element layer includes display elements provided in the display region in a plan view. The pad group may include output pads provided on substrate and provided in the non-display region in the plan view. The touch electrode layer is provided on the display element layer. The touch insulating layer is provided on the display element layer and contacts the touch electrode layer. An intaglio pattern is provided in the touch insulating layer overlapped with the non-display region, and the intaglio pattern is not overlapped with the pad group.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 5, 2021
    Inventors: Kiwook KIM, Kyongtae PARK, Hyesong KWUN, Dae-won LEE, Donghoon JEONG, Won-kyu KWAK, Kwangmin KIM, JoongSoo MOON, Changkyu JIN, Kyu-sik CHO, Sungho CHO
  • Patent number: 11056545
    Abstract: A display apparatus includes a substrate, a display unit, a first wire unit, and a dummy unit. The substrate includes a first area, a second area, and a bending area. The bending area is disposed between a first area and a second area. The display unit is disposed in the first area. The first wire unit is electrically connected to the display unit and includes a plurality of first wires disposed on the substrate over the first area, the bending area, and the second area. The plurality of first wires include a plurality of holes disposed in the bending area and spaced apart from each other by a first pitch. The dummy wire unit includes a plurality of dummy wires disposed in the bending area.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Changkyu Jin, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Jieun Lee
  • Patent number: 11018212
    Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngjin Cho, Yangwan Kim, Joong-Soo Moon, Minwoo Byun, Changkyu Jin
  • Patent number: 11004927
    Abstract: A display apparatus including a substrate, a first power source line disposed in a peripheral area adjacent to a display area configured to display image, the first power source line including a first layer and a second layer disposed on the first layer and electrically connected to the first layer, a first insulation layer disposed between the first layer and the second layer of the first power source line, and a first insulating dam disposed on and contacting the second layer of the first power source line, the first insulating dam disposed in the peripheral area and surrounding the display area.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: May 11, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngjin Cho, Joong-Soo Moon, Cheol-Gon Lee, Yang Wan Kim, Changkyu Jin
  • Patent number: 10990233
    Abstract: A display apparatus includes a substrate including a display region and a non-display region, a display element layer, a pad group, a touch electrode layer, and a touch insulating layer. The display element layer includes display elements provided in the display region in a plan view. The pad group may include output pads provided on substrate and provided in the non-display region in the plan view. The touch electrode layer is provided on the display element layer. The touch insulating layer is provided on the display element layer and contacts the touch electrode layer. An intaglio pattern is provided in the touch insulating layer overlapped with the non-display region, and the intaglio pattern is not overlapped with the pad group.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kiwook Kim, Kyongtae Park, Hyesong Kwun, Dae-won Lee, Donghoon Jeong, Won-kyu Kwak, Kwangmin Kim, JoongSoo Moon, Changkyu Jin, Kyu-sik Cho, Sungho Cho
  • Publication number: 20210057513
    Abstract: A display apparatus includes a substrate having a display area and a peripheral area, wirings over the peripheral area that extend in a first area to a third area, an interlayer insulating layer covering the wirings and having a first uneven upper surface corresponding to the wirings, a first conductive layer over the interlayer insulating layer and including a second uneven upper surface corresponding to the first uneven upper surface, a planarization layer over the first conductive layer and exposing at least a portion of the first conductive layer, a second conductive layer electrically connected to the first conductive layer, at least a portion of the second conductive layer is over the planarization layer, and a reflection reduction layer on the second conductive layer.
    Type: Application
    Filed: November 5, 2020
    Publication date: February 25, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joongsoo MOON, Kwangmin KIM, Yangwan KIM, Cheolgon LEE, Youngjin CHO, Changkyu JIN
  • Publication number: 20210013294
    Abstract: A display apparatus includes: a substrate having a bending area between a first area and a second area; internal conductive lines on the substrate in the first area; external conductive lines on the substrate in the second area; an organic material layer covering the bending area and covering at least a portion of the internal conductive lines and the external conductive lines; and connection lines on the organic material layer and connecting the internal conductive lines to the external conductive lines, respectively. Organic through-holes are defined through the organic material layer, the connection lines are respectively connected to the internal conductive lines through the organic through-holes, and an upper surface of the organic material layer between the organic through-holes has a convex curved shape.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: Joongsoo Moon, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Hyunae Park, Jieun Lee, Changkyu Jin
  • Patent number: 10861925
    Abstract: A display apparatus includes a substrate having a display area and a peripheral area, wirings over the peripheral area that extend in a first through third areas, an interval between the wirings in the second area is greater than an interval between the wirings in each of the first and third areas, an insulating layer covering the wirings and having a first uneven surface corresponding to the wirings, a first conductive layer over the insulating layer and including a second uneven surface corresponding to the first uneven surface, a flat planarization layer over the first conductive layer and exposing at least a portion of the first conductive layer, a second conductive layer electrically connected to the first conductive layer, at least a portion of the second conductive layer is over the planarization layer, and a polarization plate on the second conductive layer.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joongsoo Moon, Kwangmin Kim, Yangwan Kim, Cheolgon Lee, Youngjin Cho, Changkyu Jin
  • Publication number: 20200373518
    Abstract: An organic light-emitting display apparatus includes a substrate having a display area displaying an image and a periphery area. The periphery area is located next to the display area. A first organic insulating layer is disposed on the substrate. The first organic insulating layer includes a valley portion separating the first organic insulating layer from the periphery area. A plurality of organic light-emitting devices is disposed on the substrate. Each of the organic light-emitting devices includes a first electrode, an emission layer, and a second electrode, sequentially disposed over the first organic insulating layer. The second electrode covers the emission layer and the valley portion. A second organic insulating layer is disposed over the first organic insulating layer and incudes a first opening exposing a center portion of the first electrode and a second opening overlapping the valley portion. A capping layer covers the second electrode.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Inventors: JIEUN LEE, Wonkyu KWAK, KWANGMIN KIM, KIWOOK KIM, DONGSOO KIM, JOONGSOO MOON, HYUNAE PARK, CHANGKYU JIN
  • Patent number: 10847597
    Abstract: A display device including a first data line and a second data line extending along a first direction, a first transistor connected to the first data line, a second transistor connected to the first transistor, a third transistor electrically connected to the second transistor, a connecting line disposed between the first data line and the second data line, the connecting line connecting the second transistor to the third transistor, and a driving voltage line disposed on the connecting line, the driving voltage line extending between the first data line and the connecting line.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: November 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiwook Kim, Kwang-Min Kim, Joong-Soo Moon, Changkyu Jin
  • Publication number: 20200349891
    Abstract: A display apparatus with improved light emission uniformity includes a pixel. The pixel includes a driving thin-film transistor (TFT); a storage capacitor; a driving semiconductor layer; a first electrode layer; a second electrode layer; a pixel electrode; a pixel-defining layer defining a light-emitting region; and a conductive layer interposed between the first electrode layer and the pixel electrode and including an extending portion that at least partially overlaps the light-emitting region in a plane view to pass over a central portion of the light-emitting region.
    Type: Application
    Filed: July 17, 2020
    Publication date: November 5, 2020
    Inventors: Youngjin Cho, Joongsoo Moon, Minwoo Byun, Yangwan Kim, Changkyu Jin
  • Publication number: 20200321404
    Abstract: An organic light emitting display device includes: a substrate including pixel areas and a pixel separating area; a plurality of pixels; a plurality of spacers in the pixel separating area and spaced apart from each other; and a touch electrode unit disposed over the plurality of pixels and spacers. The touch electrode unit includes first touch electrodes arranged in a first direction and second touch electrodes arranged in a second direction. The touch electrode unit includes a plurality of touch pattern unit blocks repeatedly arranged. Each touch pattern unit block includes portions of each of neighboring first touch electrodes and portions of each of neighboring second touch electrodes. The spacers of each touch pattern unit block corresponds to a plurality of spacer pattern unit blocks repeatedly arranged. Each spacer pattern unit includes at least one spacer and is smaller than the touch pattern unit block.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Inventors: KWANGMIN KIM, WONKYU KWAK, KIWOOK KIM, DONGSOO KIM, JOONGSOO MOON, HYUNAE PARK, JIEUN LEE, CHANGKYU JIN
  • Patent number: 10790350
    Abstract: A display apparatus includes: a substrate having a bending area between a first area and a second area; internal conductive lines on the substrate in the first area; external conductive lines on the substrate in the second area; an organic material layer covering the bending area and covering at least a portion of the internal conductive lines and the external conductive lines; and connection lines on the organic material layer and connecting the internal conductive lines to the external conductive lines, respectively. Organic through-holes are defined through the organic material layer, the connection lines are respectively connected to the internal conductive lines through the organic through-holes, and an upper surface of the organic material layer between the organic through-holes has a convex curved shape.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: September 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joongsoo Moon, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Hyunae Park, Jieun Lee, Changkyu Jin
  • Publication number: 20200295098
    Abstract: A display apparatus includes a substrate, a display unit, a first wire unit, and a dummy unit. The substrate includes a first area, a second area, and a bending area. The bending area is disposed between a first area and a second area. The display unit is disposed in the first area. The first wire unit is electrically connected to the display unit and includes a plurality of first wires disposed on the substrate over the first area, the bending area, and the second area. The plurality of first wires include a plurality of holes disposed in the bending area and spaced apart from each other by a first pitch. The dummy wire unit includes a plurality of dummy wires disposed in the bending area.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 17, 2020
    Inventors: Changkyu Jin, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Jieun Lee