Patents by Inventor Ki Ho BANG

Ki Ho BANG 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: 20210265448
    Abstract: A display device includes a substrate comprising an active area and a non-active area a first data conductive layer disposed on the substrate and including signal wires connected to pixels, a first insulating layer disposed on the first data conductive layer, a second data conductive layer disposed on the first insulating layer and including a connection wire connected to some of the signal wires and dummy wiring patterns disconnected the signal wires, a second insulating layer disposed on the second data conductive layer and a pixel electrode disposed on the second insulating layer. The dummy wiring patterns are separated from one another at a disconnection, the second insulating layer includes a second portion disposed on the disconnection and a third portion disposed on at least a portion of the connection wire, and thicknesses thereof are different from each other.
    Type: Application
    Filed: December 1, 2020
    Publication date: August 26, 2021
    Inventors: Dong Hyun SON, Seung Hwan CHO, Dong Won KIM, Min Yeul RYU, Ki Ho BANG, Nak Cho CHOI
  • Publication number: 20210257438
    Abstract: A display device includes an active region including pixels receiving data signals through data lines, and a non-active region on a side of the active region in a first direction and including a pad portion. The display device includes non-active fan-out wirings in the non-active region and connected to the pad portion, signal wirings extending in the first direction across the active region and connected to the pixels, and connection wirings passing through the active region and connecting some of the non-active fan-out wirings and some of the signal wirings. Each of the connection wirings includes first and second extension portions made of a first conductive layer, and a third extension portion made of a second conductive layer different from the first conductive layer. The first and second extension portions extend in the first direction, and the third extension portion extends in a second direction intersecting the first direction.
    Type: Application
    Filed: January 12, 2021
    Publication date: August 19, 2021
    Inventors: SEUNG HWAN CHO, WON SUK CHOI, JUNG TAE PARK, KI HO BANG, SEONG JUN LEE, SANG HYUN JUN, JONG HYUN CHOI
  • Publication number: 20210257435
    Abstract: A display device includes an active area including pixels arranged in a matrix shape, a non-active area disposed at one side of the active area in a first direction and including a pad unit, non-active fanout wirings disposed in the non-active area and connected to the pad unit, signal wirings extending in the first direction to traverse the active area and connected to the pixels, and connection wirings, each at least partially passing through the active area and connecting some of the non-active fanout wirings and some of the signal wirings. Each of the connection wirings include first and third extension portion extending in the first direction, and a second extension portion extending in a second direction, and at least two of the pixels are disposed between corresponding extension portions of two adjacent connection wirings along a direction in which the corresponding extension portions are spaced apart from each other.
    Type: Application
    Filed: August 20, 2020
    Publication date: August 19, 2021
    Inventors: Dong Won KIM, Hwa Jeong KIM, Ki Ho BANG, Dong Hyun SON
  • Publication number: 20210242294
    Abstract: A display apparatus includes a base substrate on which a display area and a non-display area are defined, a first via insulating layer on the base substrate, a first power supply wire in the non-display area on the first via insulating layer, a second power supply wire in the non-display area on the first via insulating layer spaced apart from the first power supply wire, a first dam on the base substrate, overlapping the first and second power supply wires, and extending along the non-display area, a first stacked structure on the first via insulating layer between the first dam and the display area, and having a height less than a height of the first dam, and an organic layer on the first stacked structure and the first dam to overlap a substantially entire portion of the first stacked structure and at least a portion of the first dam.
    Type: Application
    Filed: December 8, 2020
    Publication date: August 5, 2021
    Inventors: Ki Ho BANG, Eun Hye KIM, Won Suk CHOI
  • Publication number: 20210149524
    Abstract: A display device including a display panel including a display area, a non-display area, and a protrusion member disposed in the non-display area, and a touch sensing unit disposed on the display panel and including a touch electrode and a wire portion connected to the touch electrode, in which the touch sensing unit includes a first metal layer, a first insulating layer disposed on the first metal layer, a second metal layer disposed on the first insulating layer, and a plurality of contact holes disposed between the first metal layer and the second metal layer, and the wire portion has a double wire structure including the first metal layer and the second metal layer in the non-display area, and has a single wire structure including any one of the first metal layer and the second metal layer on the protrusion member.
    Type: Application
    Filed: July 12, 2020
    Publication date: May 20, 2021
    Inventor: Ki Ho BANG
  • Publication number: 20210151535
    Abstract: A display device includes a display part including a plurality of pixels arranged on a substrate, a plurality of dams in a first peripheral part adjacent to the display part, the plurality of dams being extended in a first direction of the first peripheral part and arranged in a second direction crossing the first direction, each of the plurality of dams including at least one selected from a first organic insulating layer and a second organic insulating layer, and a blocking part disposed between the plurality of dams and corresponding to a removed portion of the first and second organic insulating layers.
    Type: Application
    Filed: January 5, 2021
    Publication date: May 20, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Ho BANG, Nayun KWAK, Eunhye KIM, Sae bom AHN, Seong Ryoung LEE, Sanghyun JUN, Wonsuk CHOI
  • Publication number: 20210141490
    Abstract: A sensing unit includes a plurality of first sensing electrodes of a first group disposed in a sensing area in a first direction, and a first sensing line electrically connected to one of the first sensing electrodes of the first group. The first sensing line is disposed in the sensing area and extends in a second direction intersecting the first direction.
    Type: Application
    Filed: May 20, 2020
    Publication date: May 13, 2021
    Inventors: KI HO BANG, YONG HWAN PARK, CHI WOOK AN, SEONG JUN LEE
  • Publication number: 20210119177
    Abstract: A display device includes a display area and a non-display area having a pad area. The display device includes: a substrate, a plurality of dams disposed on the substrate in the non-display area, an organic film disposed on the substrate in the display area and the non-display area and not overlapping at least some of the plurality of dams, an outer planarizing layer disposed outside the organic film and overlapping some of the plurality of dams, and a sensing line layer disposed on the organic film and the outer planarizing layer, wherein the plurality of dams include an inner dam, a middle dam, and an outermost dam, the non-display area includes a first non-display area disposed between the pad area and the display area, and the outer planarizing layer disposed in the first non-display area does not overlap the outermost dam disposed in the first non-display area.
    Type: Application
    Filed: July 20, 2020
    Publication date: April 22, 2021
    Inventors: Ki Ho BANG, Eun Hye KIM, Eun Ae JUNG, Won Suk CHOI
  • Publication number: 20210118963
    Abstract: A display device includes: a base layer including a display area (DA) and a non-DA; a circuit element layer on the base layer and including: a power supply electrode (PSE) overlapping the non-DA, circuit elements, and a shielding electrode connected to the PSE and overlapping some of the circuit elements; a display element layer on the circuit element layer and including: a light emitting element including a first electrode, a light emitting unit, and a second electrode, and a connection electrode connecting the second electrode to the PSE and including first through-holes; a thin film encapsulation layer (TFEL) on the display element layer and including an organic layer overlapping the DA; and an input sensing layer on the TFEL and including sensing electrodes and sensing signal lines connected to the sensing electrodes. The sensing signal lines overlap the connection electrode. Some of the first through-holes overlap the shielding electrode.
    Type: Application
    Filed: December 28, 2020
    Publication date: April 22, 2021
    Inventors: Ki Ho BANG, Seong Ryong LEE, Sang Hyun JUN
  • Publication number: 20210098525
    Abstract: A display device includes a substrate that includes a display area and a peripheral area, a transistor in the display area, a pixel electrode connected to the transistor, a common electrode that overlaps the pixel electrode, and an organic insulation layer that is between the common electrode and the substrate, and overlaps at least a part of the peripheral area, wherein a thickness of a portion of the organic insulation layer overlapping the display area, and a thickness of a portion of the organic insulation layer overlapping the peripheral area, are different from each other, and the organic insulation layer includes a valley that penetrates the organic insulation layer, while overlapping the peripheral area.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ki Ho BANG, Eun Hye KIM, Sang Hyun JUN
  • Publication number: 20210083013
    Abstract: A display device includes a base layer including a display area and first and second non-display areas, a circuit device layer on the base layer and including a driving circuit unit overlapping the first and second non-display areas, a power electrode outside the driving circuit unit, and a shielding electrode connected to the power electrode and through which first through-holes are defined, a light emitting device layer on the circuit device layer and including a second electrode and a connection electrode electrically connecting the power electrode to the second electrode and through which second through-holes are defined, a thin film encapsulation layer on the light emitting device layer, and a touch sensing layer on the thin film encapsulation layer. The first and second through-holes do not overlap each other in the first non-display area, and the first and second through-holes overlap each other in the second non-display area.
    Type: Application
    Filed: April 22, 2020
    Publication date: March 18, 2021
    Inventors: Ki Ho BANG, Eunhye KIM, Saebom AHN, Sang Hyun JUN
  • Publication number: 20210083033
    Abstract: A display device including: a substrate; a pixel circuit; a light emitting element including a first electrode, a light emitting; layer, and a second electrode: signal lines; a first voltage supply line overlapping the signal lines, configured to supply a first voltage to the pixel circuit, and, including first lower and upper conductive layers; a second voltage supply overlapping the signal lines, configured to supply a second voltage to the second electrode, and including a second lower conductive layer on a same layer as the first lower conductive layer and a second upper conductive layer on the second lower conductive layer on a same layer as the first upper conductive layer, an encapsulation layer on the second electrode, and the first and second voltage supply lines; and sensing signal lines on the encapsulation layer, the first lower conductive layer and the second upper conductive layer overlapping each other.
    Type: Application
    Filed: May 29, 2020
    Publication date: March 18, 2021
    Inventors: Ki Ho BANG, Won Suk CHOI
  • Patent number: 10903294
    Abstract: A display device includes a display part including a plurality of pixels arranged on a substrate, a plurality of dams in a first peripheral part adjacent to the display part, the plurality of dams being extended in a longitudinal direction of the first peripheral part and arranged in a direction crossing the longitudinal direction, the plurality of dams including a stack of a first organic insulating layer and a second organic insulating layer, and a blocking part disposed between the plurality of dams and corresponding to a removed portion of the first and second organic insulating layers.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Nayun Kwak, Eunhye Kim, Sae bom Ahn, Seong Ryoung Lee, Sanghyun Jun, Wonsuk Choi
  • Publication number: 20210013287
    Abstract: A display device includes a display panel which includes a display area and a non-display area, a plurality of signal wirings arranged in the display area, a plurality of fanout wirings arranged in the non-display area and electrically connected to the signal wirings, and a plurality of connecting wirings connecting the signal wirings to the fanout wirings, where some of the plurality of fanout wirings intersect and are overlapped with each other in a plan view.
    Type: Application
    Filed: March 16, 2020
    Publication date: January 14, 2021
    Inventors: Ki Ho BANG, Hwa Jeong KIM, Yong Hwan PARK, Yong Je JEON, Won Suk CHOI
  • Publication number: 20210005696
    Abstract: A display device includes a substrate, a pixel, an encapsulation film, a sensing electrode, a pad, a connection wire, and an extension pattern. The substrate include a display area, a non-display area outside the display area, an additional area at a side of the non-display area, and a bending area defined in at least a portion of the additional area. The pixel is on the display area. The encapsulation film is on the pixel. The sensing electrode is on the encapsulation film. The pad is on the additional area. The connection wire is on the non-display area and is directly connected to the sensing electrode. The extension pattern directly connects the pad and the connection wire to each other. The extension pattern traverses the bending area.
    Type: Application
    Filed: April 2, 2020
    Publication date: January 7, 2021
    Inventors: Ki Ho BANG, Eun Hye Kim, Eun Ae Jung, Won Suk Choi
  • Patent number: 10886326
    Abstract: A display device includes a substrate that includes a display area and a peripheral area, a transistor in the display area, a pixel electrode connected to the transistor, a common electrode that overlaps the pixel electrode, and an organic insulation layer that is between the common electrode and the substrate, and overlaps at least a part of the peripheral area, wherein a thickness of a portion of the organic insulation layer overlapping the display area, and a thickness of a portion of the organic insulation layer overlapping the peripheral area, are different from each other, and the organic insulation layer includes a valley that penetrates the organic insulation layer, while overlapping the peripheral area.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Eun Hye Kim, Sang Hyun Jun
  • Patent number: 10879319
    Abstract: A display device includes: a base layer including a display area (DA) and a non-DA; a circuit element layer on the base layer and including: a power supply electrode (PSE) overlapping the non-DA, circuit elements, and a shielding electrode connected to the PSE and overlapping some of the circuit elements; a display element layer on the circuit element layer and including: a light emitting element including a first electrode, a light emitting unit, and a second electrode, and a connection electrode connecting the second electrode to the PSE and including first through-holes; a thin film encapsulation layer (TFEL) on the display element layer and including an organic layer overlapping the DA; and an input sensing layer on the TFEL and including sensing electrodes and sensing signal lines connected to the sensing electrodes. The sensing signal lines overlap the connection electrode. Some of the first through-holes overlap the shielding electrode.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Ho Bang, Seong Ryong Lee, Sang Hyun Jun
  • Publication number: 20200371549
    Abstract: A display device includes a substrate including a display area, a non-display area, a first additional area connected to the non-display area at a first boundary, and a second additional area connected to the first additional area at a second boundary, pixels on the display area, an encapsulation film on the pixels, electrodes on the encapsulation film, pads on the second additional area, sensing wires connecting the electrodes and the pads, a first sensing insulating film on the encapsulation film, and a second sensing insulating film on the first sensing insulating film. The substrate includes a curved first side in the first additional area and the first additional area decreases in width from the first boundary to the second boundary, and a boundary of the first sensing insulating film is closer to the first side than a boundary of the second sensing insulating film is to the first side.
    Type: Application
    Filed: February 18, 2020
    Publication date: November 26, 2020
    Inventors: Young Woo PARK, Ki Ho BANG, Sang Hyun JUN, Won Suk CHOI
  • Publication number: 20200168685
    Abstract: A display device includes a display part including a plurality of pixels arranged on a substrate, a plurality of dams in a first peripheral part adjacent to the display part, the plurality of dams being extended in a longitudinal direction of the first peripheral part and arranged in a direction crossing the longitudinal direction, the plurality of dams including a stack of a first organic insulating layer and a second organic insulating layer, and a blocking part disposed between the plurality of dams and corresponding to a removed portion of the first and second organic insulating layers.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 28, 2020
    Inventors: Ki Ho BANG, Nayun KWAK, Eunhye KIM, Sae bom AHN, Seong Ryoung LEE, Sanghyun JUN, Wonsuk CHOI
  • Publication number: 20200161398
    Abstract: A display device includes a substrate that includes a display area and a peripheral area, a transistor in the display area, a pixel electrode connected to the transistor, a common electrode that overlaps the pixel electrode, and an organic insulation layer that is between the common electrode and the substrate, and overlaps at least a part of the peripheral area, wherein a thickness of a portion of the organic insulation layer overlapping the display area, and a thickness of a portion of the organic insulation layer overlapping the peripheral area, are different from each other, and the organic insulation layer includes a valley that penetrates the organic insulation layer, while overlapping the peripheral area.
    Type: Application
    Filed: August 8, 2019
    Publication date: May 21, 2020
    Inventors: Ki Ho BANG, Eun Hye KIM, Sang Hyun JUN