Patents by Inventor Ki-Nyeng Kang

Ki-Nyeng Kang 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: 11785809
    Abstract: A display device includes an emission area and a sub-region spaced apart from the emission area in a first direction, electrodes extending in the first direction, disposed across the emission area and the sub-region, and spaced apart from each other in a second direction, a first bank surrounding the emission area and the sub-region, and light emitting elements disposed on the electrodes spaced apart in the second direction in the emission area. The first bank includes trench portions in which a top surface of the first bank is partially depressed. The trench portions are disposed between the emission area and the sub-region.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: October 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Wook Lee, Ki Nyeng Kang, Basrur Veidhes, Sung Won Jo, Jung Eun Hong
  • Publication number: 20230317735
    Abstract: A display device comprises a first substrate portion including a display area and a non-display area positioned near the display area, and including a pad area, and a second substrate portion facing the first substrate portion. The first substrate portion further includes an overlap area overlapping the second substrate portion in a plan view, and a protrusion area that protrudes more than a side of the second substrate portion, a first sub-substrate portion, a first conductive layer including an alignment pad disposed in the pad area on the protrusion area of the first sub-substrate portion, and a second conductive layer including a first alignment signal line electrically connected to the alignment pad on the first conductive layer, the protrusion area includes an open portion, and the first alignment signal line in a plan view is physically separated based on the open portion.
    Type: Application
    Filed: January 11, 2023
    Publication date: October 5, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Kook WANG, Ki Nyeng KANG, Veidhes BASRUR, Ock Soo SON
  • Publication number: 20230307581
    Abstract: A display device includes, a substrate; first alignment electrodes disposed on the substrate; second alignment electrodes disposed on the substrate and spaced apart from the first alignment electrodes, respectively; light emitting elements disposed between the first alignment electrodes and the second alignment electrodes; first connection electrodes in contact with first end portions of the light emitting elements and overlapping the first alignment electrodes, respectively; and second connection electrodes in contact with second end portions of the light emitting elements, overlapping the second alignment electrodes, respectively, and spaced apart from the first connection electrodes, respectively. An edge portion of each of the first connection electrodes extends along an edge portion of each of the first alignment electrodes, and an edge portion of each of the second connection electrodes extends along an edge portion of each of the second alignment electrodes.
    Type: Application
    Filed: October 6, 2022
    Publication date: September 28, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Nyeng KANG, Guanghai JIN
  • Patent number: 11770893
    Abstract: A display device includes: a display panel including a bending area; and a first passivation film and a second passivation film disposed on a first surface of the display panel to be spaced apart from each other. The second passivation film includes a first flat portion and a first stepped portion overlapping the bending area, and a thickness of the first stepped portion is less than a thickness of the first flat portion.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: September 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Min Song, Ki Nyeng Kang, Seon Beom Ji, Tae Hoon Yang
  • Patent number: 11762341
    Abstract: A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, and the display unit is configured to display an image and includes pixels.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Nyeng Kang, Keum Nam Kim, Jong Hyun Choi
  • Publication number: 20230290790
    Abstract: A display device includes pixels. Each of the pixels includes electrodes disposed on a base layer; a first insulating layer disposed on the electrodes; a light emitting element disposed on the first insulating layer; a bank disposed on the first insulating layer and protruding in a thickness direction of the base layer; and a second insulating layer, at least a portion of the second insulating layer being disposed on the first insulating layer. At least part of the electrodes of a pixel among the pixels are spaced apart from at least part of the electrodes of another pixel adjacent to the pixel with an open area being disposed between the electrodes. The first insulating layer includes a first opening overlapping the open area in a plan view, and the second insulating layer includes a second opening overlapping the open area in a plan view.
    Type: Application
    Filed: September 15, 2022
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ock Soo SON, Ki Nyeng KANG, Jong Hwan CHA
  • Publication number: 20230282681
    Abstract: A display device includes electrodes disposed in a display area and spaced apart from each other, light emitting elements disposed between the electrodes, conductive lines disposed in a non-display area and electrically connected to the electrodes, and dummy pixels disposed on the conductive lines. The dummy pixels each may include dummy partition walls spaced apart from each other, and dummy electrodes disposed on the partition walls and spaced apart from each other.
    Type: Application
    Filed: February 15, 2023
    Publication date: September 7, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Hee KIM, Ki Nyeng KANG, In Pyo KIM, Jeong Kook WANG, Hyo Jeong LEE, Jong Hwan CHA
  • Publication number: 20230275191
    Abstract: A display device includes a substrate including a first light emitting area, a second light emitting area, and a third light emitting area; first banks spaced apart from each other on the substrate; first electrodes and second electrodes disposed on the first bank, covering the first bank, and spaced apart from each other; light emitting elements respectively disposed on the first electrodes and the second electrodes; and second banks respectively disposed on the first electrodes and the second electrodes, the second banks include a second-first bank defining the first light emitting area, a second-second bank defining the second light emitting area, and a second-third bank defining the third light emitting area, and a size of the second-first bank, a size of the second-second bank, and a size of the second-third bank are different from each other in a plan view.
    Type: Application
    Filed: October 19, 2022
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Jong Hwan CHA
  • Publication number: 20230275189
    Abstract: A display device comprises first and second electrodes disposed on a substrate, extended parallel to each other, and spaced apart from each other, light-emitting elements disposed on the first electrode and the second electrode, a first insulating layer covering at least a portion of each of the light-emitting elements, a first connection electrode disposed on the light-emitting elements and electrically contacting a first end of each of the light-emitting elements, and a second connection electrode disposed on the light-emitting elements and the first insulating layer and electrically contacting a second end of each of the light-emitting elements, wherein the first connection electrode and the second connection electrode overlap each other in a thickness direction.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Kook WANG, Ki Nyeng KANG, In Pyo KIM, Jae Hee KIM, Eun Je JANG
  • Publication number: 20230267862
    Abstract: A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.
    Type: Application
    Filed: April 24, 2023
    Publication date: August 24, 2023
    Inventors: Ki Nyeng KANG, Min Joo KIM, Tae Hoon YANG, Sang Hoon LEE, Seon Beom JI
  • Publication number: 20230260981
    Abstract: A display device includes first group electrodes and the second group electrodes spaced apart from second group electrodes in a first direction, respectively, light emitting elements disposed on the first group electrodes and the second group electrodes, a first connection electrode and a second connection electrode disposed on the first group electrodes and extending in the first direction, a third connection electrode and a fourth connection electrode disposed on the first group electrodes and the second group electrodes and extending in the first direction, and a fifth connection electrode disposed on at least two electrodes of the second group electrodes and spaced apart from the first connection electrode and the second connection electrode in the first direction. Each of the first connection electrode, the second connection electrode, and the fifth connection electrode is disposed between the third connection electrode and the fourth connection electrode in a second direction.
    Type: Application
    Filed: September 13, 2022
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Jong Hwan CHA
  • Patent number: 11729922
    Abstract: A display device includes: a display panel including first and second areas, and a bending portion between the first and second areas; and a cover window on the display panel. The first area is between the cover window and the second area when the display panel is in a bent state, the first bending portion is between the cover window and the third bending portion when the display panel is in the bent state, and the bending portion includes a first bending portion extending from the first area, a second bending portion extending from the first bending portion, and a third bending portion between the second bending portion and the second area. A radius of curvature of the second bending portion is less than that of the first bending portion, and the radius of curvature of the second bending portion is less than that of the third bending portion.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Nyeng Kang, Min Soo Kim, Jong Hyun Choi
  • Publication number: 20230253413
    Abstract: Provided herein is a display device and a method of fabricating the display device. The display device includes a substrate including a display area and a non-display area, a via layer disposed in the display area, electrodes disposed on the via layer and spaced apart from each other, light emitting elements disposed between the electrodes, dummy pattern layers disposed in the non-display area, and dummy electrodes disposed on the dummy pattern layers. The via layer and the dummy pattern layers may be disposed on a same layer. The electrodes and the dummy electrodes may be disposed on a same layer.
    Type: Application
    Filed: January 11, 2023
    Publication date: August 10, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, In Pyo KIM, Ock Soo SON, Jong Hwan CHA
  • Publication number: 20230246133
    Abstract: A display device and a method of repairing the same, where the display device includes a substrate, a first electrode, a second electrode, and a third electrode on the substrate and sequentially arranged along a first direction, at least one first light emitting element between the first electrode and the second electrode, at least one second light emitting element between the second electrode and the third electrode, a first contact electrode that is in contact with the first electrode and one end of the first light emitting element, a second contact electrode having one side that is in contact with another end of the first light emitting element and another side that is in contact with the third electrode and one end of the second light emitting element, a third contact electrode that is in contact with the second electrode and another end of the second light emitting element.
    Type: Application
    Filed: June 23, 2020
    Publication date: August 3, 2023
    Inventors: Jong Hwan CHA, Ki Nyeng KANG
  • Publication number: 20230231096
    Abstract: A display device comprises electrode patterns spaced apart from each other in a first direction; a via layer disposed on the electrode patterns; first electrodes, each of the first electrodes partially overlapping an electrode pattern of the electrode patterns on the via layer in a plan view and extending in a second direction intersecting the first direction; second electrodes, each of the second electrodes comprising a portion extending in the second direction, the first electrodes and the second electrodes being spaced apart from each other and alternately disposed with each other; and light emitting elements disposed on a first electrode of the first electrodes and a second electrode of the second electrodes. The first electrodes are in contact with the electrode patterns through first electrode contact holes penetrating the via layer, and the first electrode contact holes are spaced apart from each other in the first direction.
    Type: Application
    Filed: January 3, 2023
    Publication date: July 20, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Hwan CHA, Ki Nyeng KANG, Jin Taek KIM, Hong Joon MOON
  • Publication number: 20230187472
    Abstract: A display device may include a first electrode and a second electrode spaced from each other on a substrate. A light emitting element may be on the first electrode and the second electrode. A first insulating pattern may be on the light emitting element. A first contact electrode may be on a first side of the first insulating pattern and contacting a first end of the light emitting element. A second insulating pattern may be on the first insulating pattern and partially covering the first contact electrode. A third insulating layer may be on the second insulating pattern. A second contact electrode may be on a second side of the first insulating pattern, and contact a second end of the light emitting element that is exposed from the first insulating pattern, the second insulating pattern, and the third insulating layer.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 15, 2023
    Inventors: Jae Hee KIM, Ki Nyeng KANG, In Pyo KIM, Jeong Kook WANG, Hyo Jeong LEE, Jong Hwan CHA
  • Publication number: 20230189598
    Abstract: A display device according to one or more embodiments includes a substrate, common voltage lines on the substrate, and extending in a second direction, connection electrodes on the common voltage lines, an emission layer on the connection electrodes, a common electrode on the emission layer, and a voltage applying portion configured to apply a common voltage to the common electrode, wherein the emission layer defines openings for connection through which the common electrode is electrically connected with respective ones of the connection electrodes, and wherein distances between respective adjacent ones of the openings for connection increase as a distance from the voltage applying portion increases along the second direction.
    Type: Application
    Filed: October 14, 2022
    Publication date: June 15, 2023
    Inventors: Ki Nyeng KANG, Guang Hai JIN
  • Publication number: 20230187427
    Abstract: A display device includes electrodes spaced apart from each other, light emitting elements disposed between the electrodes, and connection electrodes electrically connected to the light emitting elements. The connection electrodes include first areas in electrical contact with the light emitting elements and second areas extending upwardly from the light emitting elements. A space is formed between the light emitting elements and the second areas of the connection electrodes.
    Type: Application
    Filed: October 4, 2022
    Publication date: June 15, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: In Pyo KIM, Ki Nyeng KANG, Jae Hee KIM, Hong Joon MOON, Jeong Kook WANG, Jong Hwan CHA
  • Publication number: 20230155064
    Abstract: A display device includes light-emitting elements disposed on first and second electrodes, and having first end portions disposed on the first electrode, and second end portions disposed on the second electrode, a first connecting electrode extending in a first direction and disposed on the first electrode, the first connecting electrode being in contact with the first end portions of the light-emitting elements, a second connecting electrode extending in the first direction and disposed on the second electrode, the second connecting electrode being in contact with the second end portions of the light-emitting elements, and a connecting electrode pattern disposed on the first electrode, the connecting electrode pattern overlapping the first connecting electrode. The second connecting electrode and the connecting electrode pattern include a same material, and a thickness of the first connecting electrode is less than a thickness of the second connecting electrode and the connecting electrode pattern.
    Type: Application
    Filed: August 26, 2022
    Publication date: May 18, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Kook WANG, Ki Nyeng KANG, In Pyo KIM, Jae Hee KIM, Hong Joon MOON, Jong Hwan CHA
  • Patent number: RE49604
    Abstract: An organic light emitting display (OLED) device includes a substrate comprising a display region and a peripheral region. The OLED device further includes a conductive layer disposed in the peripheral region on the substrate and including an opening portion exposing at least a portion of the substrate, the conductive layer having an undercut shape. The OLED device additionally includes an insulation layer disposed on the conductive layer, the insulation layer including an opening that exposes the opening portion. The OLED device further includes a common layer disposed in both the display region and the peripheral region on the insulation layer and on the substrate exposed by the opening portion. The common layer disposed on the substrate exposed by the opening portion is spaced apart from the common layer disposed on the insulation layer.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun-Kwang Kim, Ki-Nyeng Kang, Jin-Koo Kang, Bek-Hyun Lim