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).

  • Publication number: 20230143915
    Abstract: A display device includes a blocking pattern between a display area and a dam structure and having an undercut shape. The blocking pattern includes an etched metal layer, and a first upper metal layer which is on the etched metal layer and has a width greater than a width of the etched metal layer.
    Type: Application
    Filed: August 29, 2022
    Publication date: May 11, 2023
    Inventors: SUNKWANG KIM, KI NYENG KANG
  • Publication number: 20230142777
    Abstract: A display device includes an emission area, a first sub-region on one side of the emission area in a first direction, and a second sub-region on an other side of the emission area in the first direction, a bank layer surrounding the emission area, the first sub-region, and the second sub-region, a first voltage line extending in a second direction crossing the first direction in the first sub-region, and a second voltage line extending in the second direction in the second sub-region, a first electrode extending in the first direction and disposed across the first sub-region, the emission area, and the second sub-region, a second electrode extending in the first direction and including a portion spaced from the first electrode in the second direction in the emission area, and a plurality of light emitting elements on the first electrode and the second electrode in the emission area.
    Type: Application
    Filed: October 11, 2022
    Publication date: May 11, 2023
    Inventors: Jong Hwan CHA, Ki Nyeng KANG, Hong Joon MOON, Kwang Taek HONG
  • Patent number: 11636788
    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: Grant
    Filed: December 9, 2020
    Date of Patent: April 25, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Nyeng Kang, Min Joo Kim, Tae Hoon Yang, Sang Hoon Lee, Seon Beom Ji
  • Publication number: 20230120770
    Abstract: A display device includes a substrate including a display area including pixels, and a light transmissive area including a portion in the display area, and signal lines disposed in the display area and electrically connected with the pixels, where the signal lines include a first signal line on a first side, a second signal line on a second side and arranged with the first signal line in a first direction, and a third signal line on a third side, and the third signal line is arranged with the first signal line and the second signal line in a second direction, the first and second signal lines are insulated from each other in the display area, and a length of the third signal line is longer than a length of the second signal line in the first direction.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Inventors: Sang Hoon LEE, Ki Nyeng KANG, Sun Kwang KIM, Tae Woo KIM, Jong Hyun CHOI, Tae Hoon YANG
  • Patent number: 11552154
    Abstract: A display device includes a substrate including a display area including pixels, and a light transmissive area including a portion in the display area, and signal lines disposed in the display area and electrically connected with the pixels, where the signal lines include a first signal line on a first side, a second signal line on a second side and arranged with the first signal line in a first direction, and a third signal line on a third side, and the third signal line is arranged with the first signal line and the second signal line in a second direction, the first and second signal lines are insulated from each other in the display area, and a length of the first signal line is longer than a length of the second signal line in the first direction.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hoon Lee, Ki Nyeng Kang, Sun Kwang Kim, Tae Woo Kim, Jong Hyun Choi, Tae Hoon Yang
  • Publication number: 20220406978
    Abstract: A display device includes a display area, and a pad area, a first electrode and a second electrode extending in a first direction in the display area and spaced apart from each other in a second direction, light emitting elements disposed on the first electrode and the second electrode in the display area, pad lines extending in the first direction in the pad area and spaced apart from each other in the second direction, dummy lines extending in the first direction in the pad area and spaced apart from the pad lines in the second direction, and dummy patterns electrically connected to at least part of the dummy lines. The dummy lines include first dummy lines and second dummy lines spaced apart from the first dummy lines in the first direction.
    Type: Application
    Filed: February 2, 2022
    Publication date: December 22, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Hun SONG, Ki Nyeng KANG, Je Min LEE, Seung Jin CHU
  • Patent number: 11502155
    Abstract: A display device includes a substrate including an opening area in a display area and a non-display area between the display area and the opening area; signal wires disposed in the non-display area to bypass the opening area, and at least one groove disposed between the signal wires.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hoon Lee, Ki Nyeng Kang, Tae Woo Kim, Tae Hoon Yang, Seon Beom Ji, Jong Hyun Choi
  • Publication number: 20220317631
    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: Application
    Filed: June 13, 2022
    Publication date: October 6, 2022
    Inventors: KI NYENG KANG, KEUM NAM KIM, JONG HYUN CHOI
  • Publication number: 20220320378
    Abstract: A display device includes an emission area and a subarea located at a side of the emission area in a first direction, a first electrode extending in the first direction across the emission area and the subarea, a second electrode spaced from the first electrode in a second direction, the second electrode extending in the first direction, a first insulating layer on the first and second electrodes, the first insulating layer including an opening in the subarea, a plurality of light-emitting elements located on the first and second electrodes in the emission area, and a second insulating layer on the first insulating layer in the subarea, wherein the first electrode includes a first electrode extension located in the subarea at a first contact hole, the opening overlaps with the first contact hole and is located above the first electrode extension, and the second insulating layer overlaps the opening.
    Type: Application
    Filed: November 24, 2021
    Publication date: October 6, 2022
    Inventors: Kwang Taek HONG, Ki Nyeng KANG, Jong Hwan CHA, Hee Keun LEE, Min Cheol CHAE, Su Min CHOI
  • Publication number: 20220302178
    Abstract: A display device comprises a substrate including a display area and a pad area adjacent to the display area; at least one pad electrode disposed on the substrate in the pad area and connected to the display area; and at least one dummy electrode overlapping the at least one pad electrode and not connected to the display area.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 22, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Hwan CHA, Ki Nyeng KANG, Jun Ho BAE, Hee Jung YOON, Su Min CHOI
  • Publication number: 20220304167
    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: Application
    Filed: June 3, 2022
    Publication date: September 22, 2022
    Inventors: Ki Nyeng Kang, Min Soo Kim, Jong Hyun Choi
  • Publication number: 20220293671
    Abstract: A display device includes conductive layers on a substrate, a via layer on the conductive layers, a first electrode and a second electrode extending in one direction on the via layer and spaced from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer, each of the light emitting elements having one end on the first electrode and an other end on the second electrode, and a first connection electrode and a second connection electrode on the first insulating layer, the first connection electrode overlapping the first electrode, and the second connection electrode overlapping the second electrode, wherein the first connection electrode and the second connection electrode are in contact with the conductive layers through contact portions.
    Type: Application
    Filed: December 21, 2021
    Publication date: September 15, 2022
    Inventors: Jin Taek KIM, Ki Nyeng KANG, Jun Ho BAE, Jong Hwan CHA, Min Cheol CHAE, Su Min CHOI
  • Publication number: 20220271201
    Abstract: A display device includes subpixels arranged in a first direction and a second direction, where each of the subpixels includes an emission area and a sub area arranged in the first direction therein, electrodes extending in the first direction across the emission area and the sub area, where the electrodes includes a first electrode, a second electrode spaced apart from the first electrode in the second direction, a third electrode disposed between the first electrode and the second electrode, and a fourth electrode spaced apart from the third electrode in the second direction with the first electrode interposed therebetween, first light emitting elements disposed on the first electrode and the fourth electrode, and second light emitting elements disposed on the second electrode and the third electrode. A length of the third electrode in the first direction is smaller than a length of the first electrode in the first direction.
    Type: Application
    Filed: February 3, 2022
    Publication date: August 25, 2022
    Inventors: Kwang Taek HONG, Ki Nyeng KANG, Jong Hyuk KANG, Jin Taek KIM, Tae Woo KIM, Do Yeong PARK, Hee Keun LEE, Hyun Deok IM, Su Min CHOI
  • Patent number: 11424314
    Abstract: A display device includes a base layer including an active area and a peripheral area outside the active area, a circuit element layer including a pixel in the active area of the base layer, a light emitting element layer including light emitting elements on the circuit element layer, a thin film encapsulation layer covering the light emitting element layer and including an organic layer, and an input detection layer on the thin film encapsulation layer and including a detection electrode and a detection wire connected to the detection electrode. The circuit element layer includes a connection wire overlapping the detection wire in the peripheral area, and a contact part to connect the detection wire and the connection wire in the peripheral area. The contact part is spaced apart from the organic layer of the thin film encapsulation layer on a plane.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Nyeng Kang, Hyun Kim, Seungmin Song, Minseong Yi, Sanghoon Lee, Seonbeom Ji, Jung Eun Hong
  • Publication number: 20220223664
    Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area, a passivation layer disposed on the substrate, a via layer disposed on the passivation layer, sub-pixels including electrodes disposed on the via layer and light emitting elements disposed on the electrodes in the display area, a first bank disposed on the via layer and surrounding the sub-pixels in the display area, a second bank disposed on the via layer and spaced apart from the first bank in the non-display area, a third bank disposed on the via layer and spaced apart from the second bank in the non-display area, and a first valley disposed between the first bank and the second bank in the non-display area and penetrating the via layer and the passivation layer.
    Type: Application
    Filed: September 1, 2021
    Publication date: July 14, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Taek KIM, Ki Nyeng KANG, Ock Soo SON, Hee Keun LEE, Su Min CHOI, Kwang Taek HONG
  • Patent number: 11360438
    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: December 4, 2020
    Date of Patent: June 14, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Nyeng Kang, Keum Nam Kim, Jong Hyun Choi
  • Patent number: 11357118
    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 29, 2020
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Nyeng Kang, Min Soo Kim, Jong Hyun Choi
  • Patent number: D954051
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: June 7, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Joo Kim, Jong Hyun Choi, Ki Nyeng Kang, Min Soo Kim, Hoon Gi Lee
  • Patent number: D958095
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: July 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Joo Kim, Jong Hyun Choi, Ki Nyeng Kang, Min Soo Kim, Jung Eun Hong
  • Patent number: D967818
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: October 25, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Joo Kim, Jong Hyun Choi, Ki Nyeng Kang, Min Soo Kim