Patents by Inventor Kwan Yeol PAEK
Kwan Yeol PAEK 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: 20240212941Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes; and external electrodes disposed on the body, wherein the dielectric layer includes a plurality of dielectric grains having a perovskite-based composition represented by ABO3, the A includes a first element including at least one of Bi, Na, K, Sr, and Ca, and the B includes a second element including Ti, wherein at least one of the plurality of dielectric grains has a core-shell structure, and a content of the first element included in the core portion is twice or more than a content of the first element included in the shell portion, and wherein the core portion includes a first core portion on an internal side and a second core portion covering at least a portion of the first core portion, and the second core portion includes Zr.Type: ApplicationFiled: December 20, 2023Publication date: June 27, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chan Hee NAM, Oh Hun GWON, Jae Hyun PARK, Kwan Yeol PAEK, Chang Geon LEE, Hae Suk CHUNG
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Patent number: 11383485Abstract: A plastic laminated film comprising a first layer comprising a polyamideimide copolymer and a second layer provided on at least one surface of the first layer and comprising a polyimide copolymer. The plastic laminated film has both excellent mechanical properties and UV weathering resistance while being colorless and transparent, and can be suitably used as cover films for various flexible or foldable devices.Type: GrantFiled: November 14, 2017Date of Patent: July 12, 2022Assignee: LG CHEM, LTD.Inventors: Kwan Yeol Paek, Soon Yong Park, Young Ji Tae, Young Seok Park, Bi Oh Ryu, Il Hwan Choi
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Patent number: 11326025Abstract: The present invention relates to a polyamideimide copolymer and a colorless and transparent polyamideimide copolymer film. The polyamideimide copolymer according to the present invention enables to provide a polyamideimide film having improved UV shielding function while exhibiting excellent scratch resistance and mechanical properties.Type: GrantFiled: January 31, 2018Date of Patent: May 10, 2022Assignee: LG CHEM, LTD.Inventors: Bi Oh Ryu, Soon Yong Park, Young Ji Tae, Young Seok Park, Kwan Yeol Paek
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Patent number: 11248090Abstract: A poly(amide-imide) copolymer composition comprising an imide of a polyamic acid and an ultraviolet stabilizer, and a colorless and transparent poly(amide-imide) film including the composition. The poly(amide-imide) copolymer composition according to the present disclosure makes it possible to provide a poly(amide-imide) film exhibiting excellent scratch resistance, UV shielding property, and UV weather resistance while being colorless and transparent. This film can be suitably used as a cover film of various flexible or foldable devices.Type: GrantFiled: April 10, 2018Date of Patent: February 15, 2022Assignee: LG CHEM, LTD.Inventors: Bi Oh Ryu, Soon Yong Park, Young Ji Tae, Young Seok Park, Kwan Yeol Paek, Il Hwan Choi
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Publication number: 20210189067Abstract: The present invention relates to a polyamideimide copolymer and a colorless and transparent polyamideimide copolymer film. The polyamideimide copolymer according to the present invention enables to provide a polyamideimide film having improved UV shielding function while exhibiting excellent scratch resistance and mechanical properties.Type: ApplicationFiled: January 31, 2018Publication date: June 24, 2021Applicant: LG CHEM, LTD.Inventors: Bi Oh RYU, Soon Yong PARK, Young Ji TAE, Young Seok PARK, Kwan Yeol PAEK
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Patent number: 10923284Abstract: A capacitor component includes a body including dielectric layers and internal electrodes alternately arranged with the dielectric layers; and external electrodes including electrode layers disposed on the body and connected to the internal electrodes, first conductive resin layers disposed on the electrode layers, and second conductive resin layers disposed on the first conductive resin layers, wherein the first and second conductive resin layers include a metal powder and a base resin, the first conductive resin layers have a lower metal powder content than the second conductive resin layers, the metal powder includes one or more of flake-type powder particle and spherical-type powder particle, and a weight ratio of the flake-type powder particle in the metal powder contained in the first conductive resin layers is 60% or more, and a weight ratio of the spherical-type powder particle in the metal powder contained in the second conductive resin layers is 50% or more.Type: GrantFiled: June 14, 2019Date of Patent: February 16, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Geum Hee Yun, Hwa Young Lee, Kwan Yeol Paek, Jeong Wook Seo, Ha Yong Jung
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Patent number: 10882958Abstract: A polyamideimide copolymer which is an imide of a polyamic acid resulting from copolymerizing an aromatic diamine monomer, an aromatic dianhydride monomer, and an aromatic dicarbonyl monomer and a colorless and transparent polyamideimide film including the polyamideimide copolymer. The polyamideimide copolymer according to the present disclosure makes it possible to provide a polyamideimide film exhibiting excellent scratch resistance while being colorless and transparent.Type: GrantFiled: November 29, 2017Date of Patent: January 5, 2021Assignee: LG CHEM, LTD.Inventors: Bi Oh Ryu, Kwan Yeol Paek, Young Ji Tae, Soon Yong Park, Young Seok Park
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Publication number: 20200185153Abstract: A capacitor component includes a body including dielectric layers and internal electrodes alternately arranged with the dielectric layers; and external electrodes including electrode layers disposed on the body and connected to the internal electrodes, first conductive resin layers disposed on the electrode layers, and second conductive resin layers disposed on the first conductive resin layers, wherein the first and second conductive resin layers include a metal powder and a base resin, the first conductive resin layers have a lower metal powder content than the second conductive resin layers, the metal powder includes one or more of flake-type powder particle and spherical-type powder particle, and a weight ratio of the flake-type powder particle in the metal powder contained in the first conductive resin layers is 60% or more, and a weight ratio of the spherical-type powder particle in the metal powder contained in the second conductive resin layers is 50% or more.Type: ApplicationFiled: June 14, 2019Publication date: June 11, 2020Inventors: Geum Hee YUN, Hwa Young LEE, Kwan Yeol PAEK, Jeong Wook SEO, Ha Yong JUNG
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Publication number: 20200024401Abstract: A poly(amide-imide) copolymer composition comprising an imide of a polyamic acid and an ultraviolet stabilizer, and a colorless and transparent poly(amide-imide) film including the composition. The poly(amide-imide) copolymer composition according to the present disclosure makes it possible to provide a poly(amide-imide) film exhibiting excellent scratch resistance, UV shielding property, and UV weather resistance while being colorless and transparent. This film can be suitably used as a cover film of various flexible or foldable devices.Type: ApplicationFiled: April 10, 2018Publication date: January 23, 2020Applicant: LG CHEM, LTD.Inventors: Bi Oh RYU, Soon Yong PARK, Young Ji TAE, Young Seok PARK, Kwan Yeol PAEK, Il Hwan CHOI
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Publication number: 20190263095Abstract: The plastic laminated film has both excellent mechanical properties and UV weathering resistance while being colorless and transparent, and can be suitably used as cover films for various flexible or foldable devices.Type: ApplicationFiled: November 14, 2017Publication date: August 29, 2019Applicant: LG Chem, Ltd.Inventors: Kwan Yeol PAEK, Soon Yong PARK, Young Ji TAE, Young Seok PARK, Bi Oh RYU, Il Hwan CHOI
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Publication number: 20190153161Abstract: A polyamideimide copolymer which is an imide of a polyamic acid resulting from copolymerizing an aromatic diamine monomer, an aromatic dianhydride monomer, and an aromatic dicarbonyl monomer and a colorless and transparent polyamideimide film including the polyamideimide copolymer. The polyamideimide copolymer according to the present disclosure makes it possible to provide a polyamideimide film exhibiting excellent scratch resistance while being colorless and transparent.Type: ApplicationFiled: November 29, 2017Publication date: May 23, 2019Applicant: LG CHEM, LTD.Inventors: Bi Oh RYU, Kwan Yeol PAEK, Young Ji TAE, Soon Yong PARK, Young Seok PARK