Patents by Inventor Wonhoe Kim

Wonhoe 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).

  • Publication number: 20240276759
    Abstract: A display panel includes: a substrate comprising a first area, a second area, and a third area between the first area and the second area; a stack structure in the second area and comprising a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a groove in the third area and separating at least one organic material layer included in the intermediate layer; and at least one metal layer in the third area and comprising a first opening overlapping the groove, wherein the groove is defined in a multi-layered film including an organic layer and an inorganic layer on the organic layer, and the at least one metal layer is between the substrate and the multi-layered film.
    Type: Application
    Filed: April 5, 2024
    Publication date: August 15, 2024
    Inventors: Jeongho LEE, Minju KIM, Wonho KIM, Keunsoo LEE, Kyungchan CHAE
  • Patent number: 11956990
    Abstract: A display panel includes: a substrate comprising a first area, a second area, and a third area between the first area and the second area; a stack structure in the second area and comprising a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a groove in the third area and separating at least one organic material layer included in the intermediate layer; and at least one metal layer in the third area and comprising a first opening overlapping the groove, wherein the groove is defined in a multi-layered film including an organic layer and an inorganic layer on the organic layer, and the at least one metal layer is between the substrate and the multi-layered film.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeongho Lee, Minju Kim, Wonho Kim, Keunsoo Lee, Kyungchan Chae
  • Publication number: 20240065046
    Abstract: A display panel includes: a substrate including a first area, a second area, and a third area located between the first area and the second area; a display layer including a display element located in the second area; a first metal layer located in the third area; an organic insulating layer located on the first metal layer and including at least one contact portion; and a second metal layer located on the organic insulating layer and contacting the first metal layer through the at least one contact portion, in which the second metal layer has a first hole, and the organic insulating layer has a second hole or a first recess corresponding to the first hole, and a residual layer located in the second hole or the first recess and including a part of at least one organic layer overlaps the first metal layer.
    Type: Application
    Filed: October 13, 2023
    Publication date: February 22, 2024
    Inventors: JEONGHO LEE, MINJU KIM, WONHO KIM, KEUNSOO LEE, KYUNGCHAN CHAE
  • Patent number: 11884766
    Abstract: Provided is a composition for emulsion polymerization which includes: an asymmetric compound represented by the following Chemical Formula 1; an aromatic vinyl monomer; and a conjugated diene-based monomer, and a rubber compound prepared from the same. (in Chemical Formula 1, X is a C1-C10 alkoxy group.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: January 30, 2024
    Assignees: Korea Kumba Petrochemical Co., Ltd., Pusan National University Industry-University Cooperation Foundation, Kwangwoon University Industry-Academic Collaboration
    Inventors: Jae-Kon Suh, Gwanghoon Kwag, Duseong Ahn, Wonho Kim, Kiwon Hwang, Sanghoon Song, Heung Bae Jeon, Jinyoung Jung, Yuyeong Kang
  • Patent number: 11825705
    Abstract: A display panel includes: a substrate including a first area, a second area, and a third area located between the first area and the second area; a display layer including a display element located in the second area; a first metal layer located in the third area; an organic insulating layer located on the first metal layer and including at least one contact portion; and a second metal layer located on the organic insulating layer and contacting the first metal layer through the at least one contact portion, in which the second metal layer has a first hole, and the organic insulating layer has a second hole or a first recess corresponding to the first hole, and a residual layer located in the second hole or the first recess and including a part of at least one organic layer overlaps the first metal layer.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongho Lee, Minju Kim, Wonho Kim, Keunsoo Lee, Kyungchan Chae
  • Publication number: 20220344621
    Abstract: A display panel includes: a substrate comprising a first area, a second area, and a third area between the first area and the second area; a stack structure in the second area and comprising a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a groove in the third area and separating at least one organic material layer included in the intermediate layer; and at least one metal layer in the third area and comprising a first opening overlapping the groove, wherein the groove is defined in a multi-layered film including an organic layer and an inorganic layer on the organic layer, and the at least one metal layer is between the substrate and the multi-layered film.
    Type: Application
    Filed: July 11, 2022
    Publication date: October 27, 2022
    Inventors: Jeongho LEE, Minju KIM, Wonho KIM, Keunsoo LEE, Kyungchan CHAE
  • Patent number: 11387432
    Abstract: A display panel includes: a substrate comprising a first area, a second area, and a third area between the first area and the second area; a stack structure in the second area and comprising a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a groove in the third area and separating at least one organic material layer included in the intermediate layer; and at least one metal layer in the third area and comprising a first opening overlapping the groove, wherein the groove is defined in a multi-layered film including an organic layer and an inorganic layer on the organic layer, and the at least one metal layer is between the substrate and the multi-layered film.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 12, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeongho Lee, Minju Kim, Wonho Kim, Keunsoo Lee, Kyungchan Chae
  • Publication number: 20220127404
    Abstract: Provided is a composition for emulsion polymerization which includes: an asymmetric compound represented by the following Chemical Formula 1; an aromatic vinyl monomer; and a conjugated diene-based monomer, and a rubber compound prepared from the same. (in Chemical Formula 1, X is a C1-C10 alkoxy group.
    Type: Application
    Filed: October 25, 2021
    Publication date: April 28, 2022
    Inventors: Jae-Kon SUH, Gwanghoon KWAG, Duseong AHN, Wonho KIM, Kiwon HWANG, Sanghoon SONG, Heung Bae JEON, Jinyoung JUNG, Yuyeong KANG
  • Publication number: 20220005834
    Abstract: A display device includes a substrate including a first area, a second area, and a bent area therebetween, an inner wiring disposed in the first area, an outer wiring disposed in the second area, an inter-insulating layer which covers the inner wiring and the outer wiring and in which an opening corresponding to the bent area is defined, a first organic insulating layer, where a portion thereof is located in the opening, a connection wiring disposed on the first organic insulating layer and connecting the inner wiring to the outer wiring, a conductive layer disposed between the inter-insulating layer and the first organic insulating layer and electrically connected to one of the inner wiring and the outer wiring, and an inorganic protective layer which covers the conductive layer and in which an opening corresponding to the bent area is defined.
    Type: Application
    Filed: September 15, 2021
    Publication date: January 6, 2022
    Inventors: Jeongho Lee, Yanghee Kim, Wonho Kim, Soyeon Park, Keunsoo Lee, Hyungchul Lim
  • Publication number: 20210343813
    Abstract: A display panel includes: a substrate including a first area, a second area, and a third area located between the first area and the second area; a display layer including a display element located in the second area; a first metal layer located in the third area; an organic insulating layer located on the first metal layer and including at least one contact portion; and a second metal layer located on the organic insulating layer and contacting the first metal layer through the at least one contact portion, in which the second metal layer has a first hole, and the organic insulating layer has a second hole or a first recess corresponding to the first hole, and a residual layer located in the second hole or the first recess and including a part of at least one organic layer overlaps the first metal layer.
    Type: Application
    Filed: July 15, 2021
    Publication date: November 4, 2021
    Inventors: JEONGHO LEE, Minju Kim, Wonho Kim, Keunsoo Lee, Kyungcahn Chae
  • Patent number: 11139320
    Abstract: A display device includes a substrate including a first area, a second area, and a bent area therebetween, an inner wiring disposed in the first area, an outer wiring disposed in the second area, an inter-insulating layer which covers the inner wiring and the outer wiring and in which an opening corresponding to the bent area is defined, a first organic insulating layer, where a portion thereof is located in the opening, a connection wiring disposed on the first organic insulating layer and connecting the inner wiring to the outer wiring, a conductive layer disposed between the inter-insulating layer and the first organic insulating layer and electrically connected to one of the inner wiring and the outer wiring, and an inorganic protective layer which covers the conductive layer and in which an opening corresponding to the bent area is defined.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: October 5, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongho Lee, Yanghee Kim, Wonho Kim, Soyeon Park, Keunsoo Lee, Hyungchul Lim
  • Patent number: 11069761
    Abstract: A display panel includes: a substrate including a first area, a second area, and a third area located between the first area and the second area; a display layer including a display element located in the second area; a first metal layer located in the third area; an organic insulating layer located on the first metal layer and including at least one contact portion; and a second metal layer located on the organic insulating layer and contacting the first metal layer through the at least one contact portion, in which the second metal layer has a first hole, and the organic insulating layer has a second hole or a first recess corresponding to the first hole, and a residual layer located in the second hole or the first recess and including a part of at least one organic layer overlaps the first metal layer.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: July 20, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongho Lee, Minju Kim, Wonho Kim, Keunsoo Lee, Kyungcahn Chae
  • Patent number: 11069763
    Abstract: A display apparatus including a display panel including a base substrate and a first pad electrode on a first pad portion of the base substrate, a flexible substrate connected to the first pad portion, and a driving chip electrically connected to the flexible substrate. The flexible substrate includes a first film layer, a first wiring layer on the first film layer and comprising a plurality of wirings, a second film layer on the first wiring layer, and a second wiring layer on the second film layer and comprising a plurality of wirings. The wirings of the second wiring layer include a first_first wiring and a first_second wiring, the first_first wiring and the first_second wiring extend in a same direction along a same line and are spaced from each other by a gap therebetween. The gap is at an edge of the base substrate in a plan view.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyungchul Lim, Wonho Kim, Keunsoo Lee, Jeongho Lee, Yanghee Kim, Soyeon Park
  • Patent number: 10964272
    Abstract: A display module includes first to third pixels emitting different colors, first light emission control lines connected to the first pixels among the first to third pixels, and second light emission control lines connected to the second pixels among the first to third pixels. Each of the first light emission control lines and each of the second light emission control lines are alternately arranged.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soyeon Park, Wonho Kim, Keunsoo Lee, Jeongho Lee, Yanghee Kim, Hyungchul Lim
  • Publication number: 20200303677
    Abstract: A display panel includes: a substrate comprising a first area, a second area, and a third area between the first area and the second area; a stack structure in the second area and comprising a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a groove in the third area and separating at least one organic material layer included in the intermediate layer; and at least one metal layer in the third area and comprising a first opening overlapping the groove, wherein the groove is defined in a multi-layered film including an organic layer and an inorganic layer on the organic layer, and the at least one metal layer is between the substrate and the multi-layered film.
    Type: Application
    Filed: January 9, 2020
    Publication date: September 24, 2020
    Inventors: Jeongho LEE, Minju KIM, Wonho KIM, Keunsoo LEE, Kyungchan CHAE
  • Publication number: 20200303478
    Abstract: A display panel includes: a substrate including a first area, a second area, and a third area located between the first area and the second area; a display layer including a display element located in the second area; a first metal layer located in the third area; an organic insulating layer located on the first metal layer and including at least one contact portion; and a second metal layer located on the organic insulating layer and contacting the first metal layer through the at least one contact portion, in which the second metal layer has a first hole, and the organic insulating layer has a second hole or a first recess corresponding to the first hole, and a residual layer located in the second hole or the first recess and including a part of at least one organic layer overlaps the first metal layer.
    Type: Application
    Filed: January 24, 2020
    Publication date: September 24, 2020
    Inventors: JEONGHO LEE, MINJU KIM, WONHO KIM, KEUNSOO LEE, KYUNGCAHN CHAE
  • Publication number: 20200279871
    Abstract: A display device includes a substrate including a first area, a second area, and a bent area therebetween, an inner wiring disposed in the first area, an outer wiring disposed in the second area, an inter-insulating layer which covers the inner wiring and the outer wiring and in which an opening corresponding to the bent area is defined, a first organic insulating layer, where a portion thereof is located in the opening, a connection wiring disposed on the first organic insulating layer and connecting the inner wiring to the outer wiring, a conductive layer disposed between the inter-insulating layer and the first organic insulating layer and electrically connected to one of the inner wiring and the outer wiring, and an inorganic protective layer which covers the conductive layer and in which an opening corresponding to the bent area is defined.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 3, 2020
    Inventors: Jeongho Lee, Yanghee Kim, Wonho Kim, Soyeon Park, Keunsoo Lee, Hyungchul Lim
  • Patent number: 10672802
    Abstract: A display device includes a substrate including a first area, a second area, and a bent area therebetween, an inner wiring disposed in the first area, an outer wiring disposed in the second area, an inter-insulating layer which covers the inner wiring and the outer wiring and in which an opening corresponding to the bent area is defined, a first organic insulating layer, where a portion thereof is located in the opening, a connection wiring disposed on the first organic insulating layer and connecting the inner wiring to the outer wiring, a conductive layer disposed between the inter-insulating layer and the first organic insulating layer and electrically connected to one of the inner wiring and the outer wiring, and an inorganic protective layer which covers the conductive layer and in which an opening corresponding to the bent area is defined.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongho Lee, Yanghee Kim, Wonho Kim, Soyeon Park, Keunsoo Lee, Hyungchul Lim
  • Patent number: 10600858
    Abstract: Provided are an organic light-emitting display device and a method of manufacturing the same. The organic light-emitting display device includes a panel including a display unit on which an image is formed and a pad unit including a plurality of terminals connected to the display unit and arranged in a plurality of rows on a substrate, and a flexible circuit board including metal wirings arranged in a plurality of layers so as to be respectively connected in correspondence to the plurality of rows of terminals in the pad unit and being coupled to the pad unit, in which the pad unit includes a one-row terminal zone in which only terminals in a single row from among the plurality of rows of terminals electrically connect the metal wirings to the display unit.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: March 24, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soyeon Park, Zail Lhee, Jeongho Lee, Yanghee Kim, Wonho Kim, Hyungchul Lim, Mina Jung
  • Patent number: 10586950
    Abstract: A display device includes: a first pixel group including first, second and third pixels arranged adjacent to each other and positioned successively along a first direction; and a second pixel group including fourth, fifth and sixth pixels arranged adjacent to the first pixel group and positioned successively along the first direction. Multiple ones of each of the first pixel group and the second pixel group are arranged in an alternating manner along both the first direction and a second direction intersecting the first direction. The second pixel and the fifth pixel face each other with respect to a first gate line while being connected to the first gate line, the first pixel and the fourth pixel face each other with respect to a second gate line while being connected to the second gate line.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: March 10, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungman Kim, Wonho Kim, Yeonmun Jeon