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: 20240122017
    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 19, 2023
    Publication date: April 11, 2024
    Inventors: Ki Ho BANG, Eun Hye KIM, Won Suk CHOI
  • Patent number: 11940845
    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: Grant
    Filed: April 10, 2023
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Hwa Jeong Kim, Yong Hwan Park, Yong Je Jeon, Won Suk Choi
  • Patent number: 11917871
    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: February 17, 2023
    Date of Patent: February 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Ho Bang, Seong Ryong Lee, Sang Hyun Jun
  • Patent number: 11910672
    Abstract: A substrate includes a display area and a non-display area with touch electrodes disposed in the display area, touch lines disposed in the non-display area and connected to the touch electrodes, a first power supply line disposed in the non-display area and having a first power supply voltage applied thereto, and a second power supply line disposed in the non-display area and having a second power supply voltage applied thereto, the second power supply voltage being higher than the first power supply voltage. Any one of the touch lines overlaps at least one of the first power supply line and the second power supply line. The first power supply line overlaps the second power supply line.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Ho Bang, Eun Hye Kim, Eun Ae Jung, Won Suk Choi
  • Publication number: 20240057417
    Abstract: A display device includes a substrate, a circuit array layer including a plurality of pixel drivers and data lines, a light-emitting array layer, and a display driver circuit supplying data driving signals to the data lines. The circuit array layer includes a structure including a semiconductor layer, a first conductive layer on a first gate insulator, a second conductive layer on a second gate insulator, a third conductive layer on an interlayer dielectric layer, a fourth conductive layer on a first planarization layer, and a second planarization layer. Data supply lines are electrically connected to output terminals of the display driver circuit, and each of data supply lines is disposed in the third conductive layer or the fourth conductive layer.
    Type: Application
    Filed: March 29, 2023
    Publication date: February 15, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Ho BANG, Won Suk CHOI
  • Publication number: 20240040867
    Abstract: A display device includes a circuit array layer including a plurality of pixel drivers, data lines, and demux circuits disposed in a demux area of the non-display area, where the demux area is disposed adjacent to the subsidiary area, and a display driver circuit which supplies data driving signals associated with the data lines. A second data input line, which is electrically connected to a second demux circuit disposed in a second demux area of the demux area being a side area of the demux area in a first direction, includes a main input line; a demux detour line disposed in the display area and electrically connected to the main input line; and a detour additional line electrically connected between the demux detour line and an input terminal of the second demux circuit.
    Type: Application
    Filed: March 31, 2023
    Publication date: February 1, 2024
    Inventors: Ki Ho BANG, Won Suk CHOI
  • Publication number: 20240032364
    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: October 4, 2023
    Publication date: January 25, 2024
    Inventors: SEUNG HWAN CHO, WON SUK CHOI, JUNG TAE PARK, KI HO BANG, SEONG JUN LEE, SANG HYUN JUN, JONG HYUN CHOI
  • Patent number: 11882735
    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: Grant
    Filed: December 8, 2020
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Eun Hye Kim, Won Suk Choi
  • Publication number: 20240004494
    Abstract: Provided is a display device comprising a touch detection module including a plurality of driving electrodes arranged side by side in a touch sensing area, a plurality of sensing electrodes alternately arranged with the plurality of driving electrodes, a plurality of touch driving lines arranged in a touch peripheral area to supply touch driving signals to the plurality of driving electrodes, a plurality of touch sensing lines arranged in the touch peripheral area to transmit touch driving electrodes to the plurality of driving electrodes, and a touch driving circuit receiving the touch sensing signal to detect a touch position coordinate, wherein at least one of the lines among the plurality of touch driving lines and the plurality of touch sensing lines is formed to have a first interval or a second interval according to a preset size of a foreign material.
    Type: Application
    Filed: April 19, 2023
    Publication date: January 4, 2024
    Inventors: Ki Ho BANG, Won Suk CHOI
  • Patent number: 11856812
    Abstract: A display device includes a substrate having a display area and a non-display area, a pixel electrode, an organic emissive layer, a common electrode, a first inorganic encapsulation layer, an organic encapsulation layer, a second inorganic encapsulation layer, a dam, a bank disposed closer to a peripheral edge of the substrate than the dam, an inorganic encapsulation area, wherein the first inorganic encapsulation layer contacts the second inorganic encapsulation layer in the inorganic encapsulation area, and a first voltage supply line in a bank area where the bank is disposed, and in the inorganic encapsulation area. The first voltage supply line includes a plurality of anti-moisture patterns protruding from one side of the first subsidiary voltage supply line and having at least one of a length and a width in the inorganic encapsulation area respectively different from those of the plurality of anti-moisture patterns in the bank area.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Hye Kim, Ki Ho Bang, Eun Ae Jung
  • Publication number: 20230402492
    Abstract: A display device includes a display panel having a display area and a bending region. The display panel includes a light emitting diode disposed in the display area. An encapsulation layer encapsulates the light emitting diode. A light-control pattern is disposed on the encapsulation layer. The light-control pattern includes a passivation layer and a flattening layer. The flattening layer extends from the display area to the bending region. A bending protection layer is disposed in the bending region. The bending protection layer is composed of a portion of the flattening layer in the bending region.
    Type: Application
    Filed: August 29, 2023
    Publication date: December 14, 2023
    Inventors: Ki Ho BANG, Won Suk CHOI
  • Publication number: 20230389389
    Abstract: A display device is disclosed.
    Type: Application
    Filed: January 3, 2023
    Publication date: November 30, 2023
    Inventors: Ki Ho BANG, Won Suk CHOI
  • Patent number: 11800764
    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: Grant
    Filed: October 24, 2022
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hwan Cho, Won Suk Choi, Jung Tae Park, Ki Ho Bang, Seong Jun Lee, Sang Hyun Jun, Jong Hyun Choi
  • Patent number: 11800763
    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: Grant
    Filed: November 28, 2022
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hyun Son, Seung Hwan Cho, Dong Won Kim, Min Yeul Ryu, Ki Ho Bang, Nak Cho Choi
  • Patent number: 11764252
    Abstract: A display device includes a display panel having a display area and a bending region. The display panel includes a light emitting diode disposed in the display area. An encapsulation layer encapsulates the light emitting diode. A light-control pattern is disposed on the encapsulation layer. The light-control pattern includes a passivation layer and a flattening layer. The flattening layer extends from the display area to the bending region. A bending protection layer is disposed in the bending region. The bending protection layer is composed of a portion of the flattening layer in the bending region.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Won Suk Choi
  • Publication number: 20230273643
    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: April 10, 2023
    Publication date: August 31, 2023
    Inventors: Ki Ho BANG, Hwa Jeong KIM, Yong Hwan PARK, Yong Je JEON, Won Suk CHOI
  • Publication number: 20230200164
    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: February 22, 2023
    Publication date: June 22, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ki Ho BANG, Eun Hye KIM, Sang Hyun JUN
  • Publication number: 20230200154
    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: February 17, 2023
    Publication date: June 22, 2023
    Inventors: Ki Ho BANG, Seong Ryong LEE, Sang Hyun JUN
  • Publication number: 20230154934
    Abstract: A display device includes a display area and a non-display area which is adjacent to the display area, a pad in the non-display area and connected to the display area, and an insulating layer on the pad. A portion of the pad is exposed outside of the insulating layer to define an exposed portion of the pad, the insulating layer includes a first portion having a first thickness and a second portion having a second thickness which is less than the first thickness, and the second portion of the insulating layer is between the exposed portion of the pad and the first portion of the insulating layer.
    Type: Application
    Filed: July 22, 2022
    Publication date: May 18, 2023
    Inventors: EUNAE JUNG, Eun Hye KIM, Ki Ho BANG, Won Suk CHOI
  • Patent number: 11625069
    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: Grant
    Filed: March 16, 2020
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Hwa Jeong Kim, Yong Hwan Park, Yong Je Jeon, Won Suk Choi