Patents by Inventor Mi Jang

Mi Jang 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: 20250341928
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Application
    Filed: July 15, 2025
    Publication date: November 6, 2025
    Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minjung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
  • Patent number: 12460113
    Abstract: The present invention provides an adhesive composition for a dicing tape, which may prevent the success rate of chip pick-up from decreasing due to an oxygen inhibition phenomenon occurring in a dicing process, and a dicing tape including the same. The adhesive composition for a dicing tape includes an adhesive binder, a reducing agent, and a photoinitiator.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: November 4, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Da Ae Kim, Ji Ho Han, Kwang Joo Lee, Eun Yeong Kim, Mi Jang
  • Patent number: 12379811
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Grant
    Filed: January 28, 2024
    Date of Patent: August 5, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dohyun Kwon, Choongyoul Im, Mi Jang, Minjung Lee, Hyoungwook Jang, Kyuyoung Kim, Mugyeom Kim, Dongki Lee, Junghun Lee, Jangdoo Lee
  • Patent number: 12274134
    Abstract: A display device including: a substrate; a plurality of transistors disposed on the substrate; and a multi-layer insulating film disposed on the transistors, wherein the multi-layer insulating film includes a first insulating film and a second insulating film, the multi-layer insulating film includes a first region in which the first insulating film and the second insulating film overlap each other in a direction perpendicular to the substrate and a second region in which the first insulating film is disposed, the first region overlaps the plurality of transistors, and a modulus of the second insulating film is lower than a modulus of the first insulating film.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: April 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mi Jang, Do Hyun Kwon, Min Jung Lee
  • Patent number: 12065595
    Abstract: The present disclosure relates to an adhesive sheet for temporary attachment which is excellent in heat resistance and can realize sufficient adhesive strength even when being subjected to a high temperature process during the semiconductor production process, and can exhibit a sufficient reduction in adhesive strength due to photocuring in a peeling step, and a method for producing a semiconductor device using the same.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: August 20, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sera Kim, Ji Ho Han, Mi Jang, Kwang Joo Lee
  • Publication number: 20240231550
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Application
    Filed: January 28, 2024
    Publication date: July 11, 2024
    Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minjung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
  • Patent number: 12024654
    Abstract: The present disclosure relates to a non-conductive film comprising an adhesive layer containing a low molecular weight epoxy resin; and a tacky layer containing a predetermined composition, and a method for manufacturing a semiconductor laminate using the non-conductive film.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: July 2, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Eun Yeong Kim, You Jin Kyung, Kwang Joo Lee, Ji Ho Han, Bora Yeon, Mi Jang
  • Patent number: 11932784
    Abstract: The present invention provides an adhesive composition for a dicing tape, which may prevent the success rate of chip pick-up from decreasing due to an oxygen inhibition phenomenon occurring in a dicing process, and a dicing tape including the same. The adhesive composition for a dicing tape includes an adhesive binder, a singlet oxygen scavenger, a photosensitizer, and a photoinitiator.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 19, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Da Ae Kim, Ji Ho Han, Kwang Joo Lee, Eun Yeong Kim, Mi Jang
  • Patent number: 11914825
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: February 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dohyun Kwon, Choongyoul Im, Mi Jang, Minjung Lee, Hyoungwook Jang, Kyuyoung Kim, Mugyeom Kim, Dongki Lee, Junghun Lee, Jangdoo Lee
  • Publication number: 20230301144
    Abstract: A display device including: a substrate; a plurality of transistors disposed on the substrate; and a multi-layer insulating film disposed on the transistors, wherein the multi-layer insulating film includes a first insulating film and a second insulating film, the multi-layer insulating film includes a first region in which the first insulating film and the second insulating film overlap each other in a direction perpendicular to the substrate and a second region in which the first insulating film is disposed, the first region overlaps the plurality of transistors, and a modulus of the second insulating film is lower than a modulus of the first insulating film.
    Type: Application
    Filed: May 23, 2023
    Publication date: September 21, 2023
    Inventors: Mi JANG, Do Hyun Kwon, Min Jung Lee
  • Publication number: 20230205376
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Application
    Filed: February 22, 2023
    Publication date: June 29, 2023
    Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minjung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
  • Patent number: 11690258
    Abstract: A display device including: a substrate; a plurality of transistors disposed on the substrate; and a multi-layer insulating film disposed on the transistors, wherein the multi-layer insulating film includes a first insulating film and a second insulating film, the multi-layer insulating film includes a first region in which the first insulating film and the second insulating film overlap each other in a direction perpendicular to the substrate and a second region in which the first insulating film is disposed, the first region overlaps the plurality of transistors, and a modulus of the second insulating film is lower than a modulus of the first insulating film.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mi Jang, Do Hyun Kwon, Min Jung Lee
  • Patent number: 11614840
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: March 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dohyun Kwon, Choongyoul Im, Mi Jang, Minjung Lee, Hyoungwook Jang, Kyuyoung Kim, Mugyeom Kim, Dongki Lee, Junghun Lee, Jangdoo Lee
  • Publication number: 20220342508
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Application
    Filed: May 9, 2022
    Publication date: October 27, 2022
    Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minijung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
  • Patent number: 11466184
    Abstract: The present invention provides an adhesive composition that exhibits excellent adhesive force, and can be easily separated by photocuring during a peeling step, in which foaming and lifting are not generated even after a high temperature process.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: October 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Mi Jang, Sera Kim, Ji Ho Han, Kwang Joo Lee, Bora Yeon, Kwang Su Seo
  • Patent number: 11398534
    Abstract: A flexible display apparatus includes a flexible substrate including a display area and a bending area outside the display area, the bending area to be bent around a bending axis; an inorganic insulating layer on the flexible substrate; a cut unit in the inorganic insulating layer in the bending area; a stress relaxation layer filling the cut unit and extending into the display area; a wiring part on the stress relaxation layer in the bending area; a planarization layer covering the wiring part and on the stress relaxation layer; and a display on the planarization layer in the display area and electrically connected to the wiring part.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: July 26, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dohyun Kwon, Minjung Lee, Jaeneung Kim, Mi Jang, Haseok Jeon, Changyong Jung
  • Publication number: 20220186092
    Abstract: The present invention provides an adhesive composition for a dicing tape, which may prevent the success rate of chip pick-up from decreasing due to an oxygen inhibition phenomenon occurring in a dicing process, and a dicing tape including the same. The adhesive composition for a dicing tape includes an adhesive binder, a singlet oxygen scavenger, a photosensitizer, and a photoinitiator.
    Type: Application
    Filed: August 13, 2020
    Publication date: June 16, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Da Ae KIM, Ji Ho HAN, Kwang Joo LEE, Eun Yeong KIM, Mi JANG
  • Publication number: 20220154053
    Abstract: The present invention provides an adhesive composition for a dicing tape, which may prevent the success rate of chip pick-up from decreasing due to an oxygen inhibition phenomenon occurring in a dicing process, and a dicing tape including the same. The adhesive composition for a dicing tape includes an adhesive binder, a reducing agent, and a photoinitiator.
    Type: Application
    Filed: August 14, 2020
    Publication date: May 19, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Da Ae KIM, Ji Ho HAN, Kwang Joo LEE, Eun Yeong KIM, Mi JANG
  • Publication number: 20220154043
    Abstract: The present disclosure provides an adhesive composition for a dicing film, a dicing film, and a dicing die-bonding film, which have excellent pickup performance.
    Type: Application
    Filed: October 8, 2021
    Publication date: May 19, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Ji Ho HAN, Da Ae KIM, Kwang Joo LEE, Mi JANG, Bo Ra YEON, Kwang Su SEO, Mi Seon KIM
  • Patent number: 11327616
    Abstract: A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: May 10, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dohyun Kwon, Choongyoul Im, Mi Jang, Minjung Lee, Hyoungwook Jang, Kyuyoung Kim, Mugyeom Kim, Dongki Lee, Junghun Lee, Jangdoo Lee