Patents by Inventor Il-joo Kim

Il-joo Kim 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: 12366946
    Abstract: An electronic device including a display unit including a hole area, an active area surrounding the hole area, and a peripheral area adjacent to the active area; a sensing unit disposed on the display unit and including first and second sensing electrodes; a module hole through which the display unit and the sensing unit overlap the hole area; and a crack detection circuit including a crack detection pattern disposed in the hole area and surrounding the module hole, a crack detection line disposed in the peripheral area, and connection lines disposed in the peripheral area and connecting the crack detection pattern and the crack detection line, in which the connection lines and a routing pattern of at least one of the first and second sensing electrodes intersect on a plane.
    Type: Grant
    Filed: February 19, 2024
    Date of Patent: July 22, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonjun Choi, Il-Joo Kim, Deokjung Kim
  • Publication number: 20250224844
    Abstract: A display device is disclosed that includes a pixel layer, a touch sensing layer, and a sensing pattern. The pixel layer includes first pixel units, each including first sub-light emitting regions, and second pixel units, each including second sub-light emitting regions. The touch sensing layer includes sensing electrodes, and driving electrodes electrically insulated from the sensing electrodes, at least some of the sensing electrodes and the driving electrodes each includes a dummy pattern defining dummy openings overlapping the first sub-light emitting regions when viewed in a plan view, and a sensing pattern electrically insulated from the dummy pattern and spaced apart from the first sub-light emitting regions and the second sub-light emitting regions when viewed in a plan view.
    Type: Application
    Filed: March 26, 2025
    Publication date: July 10, 2025
    Inventors: CHANGHO LEE, IL-JOO KIM, JONG-HWA KIM, WONJUN CHOI
  • Patent number: 12356829
    Abstract: An electronic apparatus has a through module hole defined in an active area and includes a first sensing pattern and a second sensing pattern spaced apart from each other in one direction with the module hole disposed therebetween. A third sensing pattern and a fourth sensing pattern are spaced apart from each other in a direction crossing the one direction with the module hole disposed therebetween. A first connection line extends along a portion of the module hole and connects the first sensing pattern and the second sensing pattern to each other. A second connection line extends along a portion of the module hole and connects the third sensing pattern and the fourth sensing pattern to each other. The first connection line and the second connection line are disposed on the same layer and are spaced apart from each other.
    Type: Grant
    Filed: May 23, 2024
    Date of Patent: July 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungsu Lee, IL-Joo Kim, Jong-hwa Kim, Jeongyun Han
  • Patent number: 12295233
    Abstract: A display device includes: a display panel including a pixel; and an input sensor on the display panel. The input sensor includes: sensing electrodes; and sensing lines including: a multi-layered area including a first trace line and a second trace line, the first and second trace lines being connected to the sensing electrodes and located at different layers from each other; a single-layer area including a first area and a second area; a first line including the first trace line in the first area, and the second trace line connected to the first trace line in the second area; and a second line adjacent to the first line, the second line including the second trace line in the first area, and the first trace line connected to the second trace line in the second area.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: May 6, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiho Bang, Yeri Jeong, Wonjun Choi, Eunhye Kim, Il-Joo Kim, Eunae Jung
  • Patent number: 12282638
    Abstract: A display device is disclosed that includes a pixel layer, a touch sensing layer, and a sensing pattern. The pixel layer includes first pixel units, each including first sub-light emitting regions, and second pixel units, each including second sub-light emitting regions. The touch sensing layer includes sensing electrodes, and driving electrodes electrically insulated from the sensing electrodes, at least some of the sensing electrodes and the driving electrodes each includes a dummy pattern defining dummy openings overlapping the first sub-light emitting regions when viewed in a plan view, and a sensing pattern electrically insulated from the dummy pattern and spaced apart from the first sub-light emitting regions and the second sub-light emitting regions when viewed in a plan view.
    Type: Grant
    Filed: February 19, 2024
    Date of Patent: April 22, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changho Lee, Il-Joo Kim, Jong-Hwa Kim, Wonjun Choi
  • Publication number: 20250085823
    Abstract: An electronic apparatus includes a display panel and a sensor disposed on the display panel and including a plurality of sensing units disposed on an active area. Each of the sensing units includes a first sensing pattern, second sensing patterns, a bridge pattern, and a plurality of patterns. Among the sensing units, the patterns of the sensing unit making contact with a first boundary portion having a curvature in the active area and a peripheral area include a plurality of outer patterns, and at least one of the outer patterns is electrically connected to the first sensing pattern or the second sensing patterns.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Inventors: InYoung HAN, KICHEOL KIM, MINJOO KIM, Il-Joo KIM, DONGJIN MOON, MIKYOUNG SEO, JAE YOON CHANG, Yeri JEONG, Wonjun CHOI
  • Patent number: 12200958
    Abstract: A display device includes a substrate, a plurality of pixels disposed on the substrate, an encapsulation layer disposed above the plurality of pixels and comprising an organic encapsulation film, a dam structure disposed on the substrate and surrounding an outer boundary of the plurality of pixels, and crack detection lines comprising an output line disposed on the dam structure without overlapping with the organic encapsulation film, and an input line electrically connected to the output line and disposed on the organic encapsulation film.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: January 14, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ye Ri Jeong, Il Joo Kim, Won Jun Choi
  • Patent number: 12185611
    Abstract: An electronic apparatus includes: an electronic panel comprising a display unit comprising a plurality of pixels and a sensing unit comprising a plurality of sensing electrodes; and an electronic module overlapping with the electronic panel when viewed in a plan view, the sensing unit comprising: a base substrate comprising a hole area overlapping with the electronic module, an active area overlapping with the sensing electrodes, and a peripheral area adjacent to the active area; a connection line in the hole area and connected to a portion of the sensing electrodes; and a conductive light blocking pattern in the hole area and spaced apart from the connection line and the sensing electrodes.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: December 31, 2024
    Inventors: Il-Joo Kim, Wonkyu Kwak, Jinsuk Lee, Chung Yi, Sungho Cho
  • Publication number: 20240427453
    Abstract: An input sensing part includes a first sensing electrode, a second sensing electrode that crosses the first sensing electrode, a first sensing line electrically connected to the first sensing electrode, a first multi-layer line that is electrically connected to the second sensing electrode and that includes a first line and a second line disposed over the first line, a first single-layer line that extends from one of the first and second lines, and a second single-layer line that is disposed in a different layer from the first single-layer line and electrically connected to the first single-layer line and that has a different line width from the first single-layer line.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: YERI JEONG, IL-JOO KIM, WONJUN CHOI
  • Patent number: 12164718
    Abstract: An electronic device including: a display panel having an active area in which a plurality of pixels are disposed and a peripheral area disposed around the active area; a plurality of sensing electrodes disposed in the active area; and a first sensing line connected to one of the plurality of sensing electrodes and including a first portion disposed in the peripheral area, a second portion extending from the first portion and disposed in the active area, and a third portion extending from the second portion and disposed in the peripheral area.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: December 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonjun Choi, Il-Joo Kim, Deokjung Kim, Wonkyu Kwak, Youngbae Jung
  • Patent number: 12153770
    Abstract: An electronic apparatus includes a display panel and a sensor disposed on the display panel and including a plurality of sensing units disposed on an active area. Each of the sensing units includes a first sensing pattern, second sensing patterns, a bridge pattern, and a plurality of patterns. Among the sensing units, the patterns of the sensing unit making contact with a first boundary portion having a curvature in the active area and a peripheral area include a plurality of outer patterns, and at least one of the outer patterns is electrically connected to the first sensing pattern or the second sensing patterns.
    Type: Grant
    Filed: August 7, 2023
    Date of Patent: November 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: InYoung Han, Kicheol Kim, Minjoo Kim, Il-Joo Kim, Dongjin Moon, Mikyoung Seo, Jae Yoon Chang, Yeri Jeong, Wonjun Choi
  • Publication number: 20240386820
    Abstract: A display device includes: a display panel including a pixel connected to a scan line and a data line; a flexible printed circuit board connected to the display panel; a lightning test circuit on the flexible printed circuit board and connected to the data line; and a plurality of resistors adjacent to opposite sides of the lightning test circuit and connected to the lightning test circuit.
    Type: Application
    Filed: April 25, 2024
    Publication date: November 21, 2024
    Inventors: Inhyeok YEO, KWANG-MIN KIM, KIWOOK KIM, DO YEON HWANG, IL-JOO KIM, MYEONGHEE SEO
  • Patent number: 12112666
    Abstract: A display device includes: a substrate including a display area, a peripheral area surrounding the display area, a hole area positioned inside the display area, and a pad area; a crack detection line including a first part in the pad area and extending to the peripheral area and a second part connected to the first part, disposed to surround the hole area, and extending to the pad area; a printed circuit board in the pad area; first transistors in the pad area and connected in series between the printed circuit board and the first part, where each of gate electrodes of the first transistors is connected to a first signal line; and second transistors in the pad area and connected in series between a constant voltage line and the first part, where each of gate electrodes of the second transistors is connected to a second signal line.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: October 8, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hae-Yeon Lee, Sukyoung Kim, Hwayoung Song, Kwangsae Lee, Il-Joo Kim
  • Patent number: 12099678
    Abstract: An input sensing part includes a first sensing electrode, a second sensing electrode that crosses the first sensing electrode, a first sensing line electrically connected to the first sensing electrode, a first multi-layer line that is electrically connected to the second sensing electrode and that includes a first line and a second line disposed over the first line, a first single-layer line that extends from one of the first and second lines, and a second single-layer line that is disposed in a different layer from the first single-layer line and electrically connected to the first single-layer line and that has a different line width from the first single-layer line.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: September 24, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeri Jeong, Il-Joo Kim, Wonjun Choi
  • Patent number: 12099687
    Abstract: An electronic device includes a first sensing electrode, a second sensing electrode, a first conductive pattern disposed between the first sensing electrode and the second sensing electrode and including a plurality of first repeating units electrically connected to each other, and a second conductive pattern disposed between the first sensing electrode and the second sensing electrode and including a plurality of second repeating units electrically connected to each other. The first conductive pattern and the second conductive pattern are electrically insulated from each other, and each of the plurality of first repeating units and the plurality of second repeating units includes at least two mesh lines crossing each other.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: September 24, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il-Joo Kim, Jeongwoo Kim, Wonjun Choi
  • Publication number: 20240315106
    Abstract: An electronic apparatus has a through module hole defined in an active area and includes a first sensing pattern and a second sensing pattern spaced apart from each other in one direction with the module hole disposed therebetween. A third sensing pattern and a fourth sensing pattern are spaced apart from each other in a direction crossing the one direction with the module hole disposed therebetween. A first connection line extends along a portion of the module hole and connects the first sensing pattern and the second sensing pattern to each other. A second connection line extends along a portion of the module hole and connects the third sensing pattern and the fourth sensing pattern to each other. The first connection line and the second connection line are disposed on the same layer and are spaced apart from each other.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 19, 2024
    Inventors: Kyungsu LEE, IL-Joo KIM, Jong-hwa KIM, Jeongyun HAN
  • Patent number: 12045407
    Abstract: A display device includes: a display layer having an active region, and a peripheral region including a first region, a second region spaced from the first region in a first direction, and a third region between the first region and the second region; and a sensor layer on the display layer. The display layer includes: a plurality of pixels at the active region; and a power supply pattern at the peripheral region, and including: a first power supply pattern at the first region; and a second power supply pattern at the second region. The sensor layer includes: a plurality of sensing electrodes at the active region; a plurality of sensing lines including: a first sensing line at the first region; and a second sensing line at at least one of the first region or the second region; and a dummy pattern at the third region.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: July 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeri Jeong, Il-Joo Kim, Young-Soo Yoon, Wonjun Choi
  • Publication number: 20240231524
    Abstract: An electronic device including a display unit including a hole area, an active area surrounding the hole area, and a peripheral area adjacent to the active area; a sensing unit disposed on the display unit and including first and second sensing electrodes; a module hole through which the display unit and the sensing unit overlap the hole area; and a crack detection circuit including a crack detection pattern disposed in the hole area and surrounding the module hole, a crack detection line disposed in the peripheral area, and connection lines disposed in the peripheral area and connecting the crack detection pattern and the crack detection line, in which the connection lines and a routing pattern of at least one of the first and second sensing electrodes intersect on a plane.
    Type: Application
    Filed: February 19, 2024
    Publication date: July 11, 2024
    Inventors: Wonjun CHOI, Il-Joo KIM, DEOKJUNG KIM
  • Publication number: 20240192815
    Abstract: A display device is disclosed that includes a pixel layer, a touch sensing layer, and a sensing pattern. The pixel layer includes first pixel units, each including first sub-light emitting regions, and second pixel units, each including second sub-light emitting regions. The touch sensing layer includes sensing electrodes, and driving electrodes electrically insulated from the sensing electrodes, at least some of the sensing electrodes and the driving electrodes each includes a dummy pattern defining dummy openings overlapping the first sub-light emitting regions when viewed in a plan view, and a sensing pattern electrically insulated from the dummy pattern and spaced apart from the first sub-light emitting regions and the second sub-light emitting regions when viewed in a plan view.
    Type: Application
    Filed: February 19, 2024
    Publication date: June 13, 2024
    Inventors: CHANGHO LEE, IL-JOO KIM, JONG-HWA KIM, WONJUN CHOI
  • Publication number: 20240185750
    Abstract: A display device includes: a substrate including a display area, a peripheral area surrounding the display area, a hole area positioned inside the display area, and a pad area; a crack detection line including a first part in the pad area and extending to the peripheral area and a second part connected to the first part, disposed to surround the hole area, and extending to the pad area; a printed circuit board in the pad area; first transistors in the pad area and connected in series between the printed circuit board and the first part, where each of gate electrodes of the first transistors is connected to a first signal line; and second transistors in the pad area and connected in series between a constant voltage line and the first part, where each of gate electrodes of the second transistors is connected to a second signal line.
    Type: Application
    Filed: July 31, 2023
    Publication date: June 6, 2024
    Inventors: HAE-YEON LEE, SUKYOUNG KIM, HWAYOUNG SONG, KWANGSAE LEE, IL-JOO KIM