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).
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Publication number: 20250341928Abstract: 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: ApplicationFiled: July 15, 2025Publication date: November 6, 2025Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minjung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
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Patent number: 12460113Abstract: 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: GrantFiled: August 14, 2020Date of Patent: November 4, 2025Assignee: LG CHEM, LTD.Inventors: Da Ae Kim, Ji Ho Han, Kwang Joo Lee, Eun Yeong Kim, Mi Jang
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Patent number: 12379811Abstract: 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: GrantFiled: January 28, 2024Date of Patent: August 5, 2025Assignee: 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
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Patent number: 12274134Abstract: 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: GrantFiled: May 23, 2023Date of Patent: April 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Jang, Do Hyun Kwon, Min Jung Lee
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Adhesive sheet for temporary attachment and method for producing semiconductor device using the same
Patent number: 12065595Abstract: 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: GrantFiled: April 11, 2019Date of Patent: August 20, 2024Assignee: LG CHEM, LTD.Inventors: Sera Kim, Ji Ho Han, Mi Jang, Kwang Joo Lee -
Publication number: 20240231550Abstract: 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: ApplicationFiled: January 28, 2024Publication date: July 11, 2024Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minjung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
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Patent number: 12024654Abstract: 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: GrantFiled: June 12, 2020Date of Patent: July 2, 2024Assignee: LG CHEM, LTD.Inventors: Eun Yeong Kim, You Jin Kyung, Kwang Joo Lee, Ji Ho Han, Bora Yeon, Mi Jang
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Patent number: 11932784Abstract: 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: GrantFiled: August 13, 2020Date of Patent: March 19, 2024Assignee: LG CHEM, LTD.Inventors: Da Ae Kim, Ji Ho Han, Kwang Joo Lee, Eun Yeong Kim, Mi Jang
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Patent number: 11914825Abstract: 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: GrantFiled: February 22, 2023Date of Patent: February 27, 2024Assignee: 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
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Publication number: 20230301144Abstract: 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: ApplicationFiled: May 23, 2023Publication date: September 21, 2023Inventors: Mi JANG, Do Hyun Kwon, Min Jung Lee
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Publication number: 20230205376Abstract: 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: ApplicationFiled: February 22, 2023Publication date: June 29, 2023Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minjung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
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Patent number: 11690258Abstract: 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: GrantFiled: April 22, 2020Date of Patent: June 27, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Jang, Do Hyun Kwon, Min Jung Lee
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Patent number: 11614840Abstract: 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: GrantFiled: May 9, 2022Date of Patent: March 28, 2023Assignee: 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
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Publication number: 20220342508Abstract: 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: ApplicationFiled: May 9, 2022Publication date: October 27, 2022Inventors: Dohyun KWON, Choongyoul IM, Mi JANG, Minijung LEE, Hyoungwook JANG, Kyuyoung KIM, Mugyeom KIM, Dongki LEE, Junghun LEE, Jangdoo LEE
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Patent number: 11466184Abstract: 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: GrantFiled: June 17, 2019Date of Patent: October 11, 2022Assignee: LG CHEM, LTD.Inventors: Mi Jang, Sera Kim, Ji Ho Han, Kwang Joo Lee, Bora Yeon, Kwang Su Seo
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Patent number: 11398534Abstract: 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: GrantFiled: October 5, 2020Date of Patent: July 26, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dohyun Kwon, Minjung Lee, Jaeneung Kim, Mi Jang, Haseok Jeon, Changyong Jung
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Publication number: 20220186092Abstract: 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: ApplicationFiled: August 13, 2020Publication date: June 16, 2022Applicant: LG CHEM, LTD.Inventors: Da Ae KIM, Ji Ho HAN, Kwang Joo LEE, Eun Yeong KIM, Mi JANG
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Publication number: 20220154053Abstract: 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: ApplicationFiled: August 14, 2020Publication date: May 19, 2022Applicant: LG CHEM, LTD.Inventors: Da Ae KIM, Ji Ho HAN, Kwang Joo LEE, Eun Yeong KIM, Mi JANG
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Publication number: 20220154043Abstract: 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: ApplicationFiled: October 8, 2021Publication date: May 19, 2022Applicant: LG CHEM, LTD.Inventors: Ji Ho HAN, Da Ae KIM, Kwang Joo LEE, Mi JANG, Bo Ra YEON, Kwang Su SEO, Mi Seon KIM
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Patent number: 11327616Abstract: 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: GrantFiled: August 31, 2020Date of Patent: May 10, 2022Assignee: 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