Patents by Inventor Il Jin PARK
Il Jin PARK 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: 20240138033Abstract: An electromagnetic induction heating apparatus for heating an aerosol-forming article of an electronic cigarette includes: a power supply unit configured to supply DC power; a power amplifier including a switch unit comprising a pair of transistor switches having a differential structure and receiving DC power from the power supply unit, and a parallel-structured LC resonant network including a resonant inductor connected to an output terminal of the switch unit and electromagnetically inductively coupled with an inductor component of a heat-generating body for heating the aerosol-forming article of the electronic cigarette, and a resonant capacitor connected in parallel to the resonant inductor; and a driving unit configured to adjust a temperature of the heat-generating body by adjusting an operating frequency of the switch unit of the power amplifier to control an amount of current of the resonant inductor electromagnetically inductively coupled with the inductor component of the heat-generating body.Type: ApplicationFiled: June 29, 2023Publication date: April 25, 2024Applicants: SILICON MITUS, INC., Hangzhou Silicon-Magic Semiconductor Technology Co., Ltd.Inventors: Jun Ho Moon, Il Kwon Chang, Sung Jin Park
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ADHESIVE FILM, OPTICAL MEMBER COMPRISING THE SAME, AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME
Publication number: 20240076530Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film includes a (meth)acrylic based copolymer, a (meth)acrylic based oligomer, and a curing agent and has a maximum shear strain of 50% or less at 60° C. and a peel strength of 600 gf/25 mm or more with respect to a polyimide based film at 25° C.Type: ApplicationFiled: August 23, 2023Publication date: March 7, 2024Inventors: Ji Yeon Kim, Do Young Kim, Dong Myeong Shin, Ji Young Han, Kyoung Gon Park, Il Jin Kim -
Patent number: 11911749Abstract: Provided are a chromium catalyst precursor, an ethylene oligomerization catalyst including the same, and a method of preparing an ethylene oligomer using the same. More particularly, a chromium catalyst precursor which may oligomerize ethylene with high activity and high selectivity in spite of not using methylaluminoxane (MAO) or modified-methylaluminoxane (MMAO), an oligomerization catalyst including the same, and a method of preparing an ethylene oligomer using the same are provided.Type: GrantFiled: August 18, 2022Date of Patent: February 27, 2024Assignee: SK Innovation Co., Ltd.Inventors: Il Gu Jung, Hyo Seung Park, Jun Soo Son, Myung Jin Kim, Jong Chan Kim
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Patent number: 11830643Abstract: A coil electronic component includes a body including magnetic particles and an insulating resin, and a coil portion disposed within the body. The body has a multilayer structure including a core portion covering the coil portion and a cover portion covering the core portion. The magnetic particles included in the core portion have a distribution of a particle size having a D50 of 3.5 ?m or less.Type: GrantFiled: September 6, 2019Date of Patent: November 28, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Il Jin Park, Joong Won Park, Se Hyung Lee, Soon Kwang Kwon
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Publication number: 20230207167Abstract: A magnetic particle includes a magnetic metal particle, and an oxide film formed on a surface of the magnetic metal particle, wherein the magnetic metal particle includes a single crystalline zone containing an Fe component, and the oxide film includes an amorphous zone containing an Fe component. The single crystalline zone may include an ?-Fe phase.Type: ApplicationFiled: November 29, 2022Publication date: June 29, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ok JEON, Jeong Ho LIM, Hyo Ki HONG, Il Jin PARK, Young Seuck YOO, In Young KANG
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Publication number: 20230207170Abstract: A magnetic particle includes a magnetic metal particle having a plurality of phases. The plurality of phases include an Fe-based phase and an Fe3O4 phase. An area ratio of the Fe3O4 phase in which the Fe3O4 phase occupies in the plurality of phases is less than 50%.Type: ApplicationFiled: December 20, 2022Publication date: June 29, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ok JEON, Hyo Ki HONG, Jeong Ho LIM, Il Jin PARK, Young Seuck YOO, In Young KANG
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Patent number: 11657950Abstract: A coil component includes a body and a coil portion embedded in the body, wherein the body comprises a first magnetic metal powder particle comprising a core represented by Formula 1 below, and an oxide film comprising at least one of silicon (Si) and chromium (Cr) and formed on a surface of the core, a second magnetic metal powder particle having a larger diameter than the first magnetic metal powder particle, and a third magnetic metal powder particle having a larger diameter than the second magnetic metal powder particle: FeaSibCrc??[Formula 1] where 3 atom %?b?6 atom %, 2.65 atom %?c?3.65 atom %, and a+b+C=100.Type: GrantFiled: June 15, 2020Date of Patent: May 23, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ok Jeon, Jeong Ho Lim, Il Jin Park, Soon Kwang Kwon, Gwang Hwan Hwang
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Patent number: 11581114Abstract: A magnetic powder contains a magnetic metal particle comprising iron (Fe) and an insulating coating layer disposed on a surface of the magnetic metal particle and comprising tin (Sn), phosphorous (P) and oxygen (O), and a coil component contains such a magnetic powder.Type: GrantFiled: May 20, 2020Date of Patent: February 14, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Il Jin Park, Jun Sung Lee, Joong Won Park, Gwang Hwan Hwang, Soon Kwang Kwon
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Patent number: 11469038Abstract: A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.Type: GrantFiled: September 20, 2018Date of Patent: October 11, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kang Ryong Choi, Il Jin Park, Jung Wook Seo, Jong Ok Jeon, Won Sik Chong, Woo Jin Lee, Jung Young Cho
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Publication number: 20220199313Abstract: A coil component includes a winding coil, a body including a core portion covering the winding coil and an upper cover part and a lower cover part respectively disposed on one surface and the other surface of the core portion facing each other, and first and second external electrodes separately disposed on the body and connected to both ends of the winding coil, wherein the body includes an insulating resin and first and second metal magnetic particles having different diameters, and at least one of the core portion, the upper cover part, and the lower cover part includes only the second metal magnetic particle having a smaller diameter, among the first and second metal magnetic particles, as the magnetic particle dispersed in the insulating resin.Type: ApplicationFiled: April 5, 2021Publication date: June 23, 2022Inventors: Il Jin PARK, Joong Won PARK, Jong Ok JEON, Ji Hwan SHIN
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Patent number: 11367558Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.Type: GrantFiled: October 30, 2019Date of Patent: June 21, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang
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Publication number: 20220189676Abstract: A coil electronic component includes a body including a coil portion therein, and including a plurality of magnetic particles including an Fe-based alloy component, and an external electrode connected to the coil portion, wherein at least a portion of the plurality of magnetic particles include a first layer formed on a surface, and a second layer formed on a surface of the first layer, wherein the first layer includes an Fe oxide component and has a thickness of 10 nm or less.Type: ApplicationFiled: April 27, 2021Publication date: June 16, 2022Inventors: Joong Won PARK, Il Jin PARK, Se Hyung LEE, Jun Sung LEE, Seok Hee LEE, Ji Hwan SHIN
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Publication number: 20210225575Abstract: A coil component includes a body and a coil portion embedded in the body, wherein the body comprises a first magnetic metal powder particle comprising a core represented by Formula 1 below, and an oxide film comprising at least one of silicon (Si) and chromium (Cr) and formed on a surface of the core, a second magnetic metal powder particle having a larger diameter than the first magnetic metal powder particle, and a third magnetic metal powder particle having a larger diameter than the second magnetic metal powder particle: FeaSibCrc??[Formula 1] where 3 atom %?b?6 atom %, 2.65 atom %?c?3.65 atom %, and a+b+C=100.Type: ApplicationFiled: June 15, 2020Publication date: July 22, 2021Inventors: Jong Ok JEON, Jeong Ho LIM, Il Jin PARK, Soon Kwang KWON, Gwang Hwan HWANG
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Publication number: 20210217546Abstract: A magnetic powder contains a magnetic metal particle comprising iron (Fe) and an insulating coating layer disposed on a surface of the magnetic metal particle and comprising tin (Sn), phosphorous (P) and oxygen (O), and a coil component contains such a magnetic powder.Type: ApplicationFiled: May 20, 2020Publication date: July 15, 2021Inventors: Il Jin PARK, Jun Sung LEE, Joong Won PARK, Gwang Hwan HWANG, Soon Kwang KWON
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Patent number: 10957476Abstract: A coil electronic component includes a body including metal powder particles having shape anisotropy and a coil unit disposed in the body and having an axis perpendicular with respect to a thickness direction of the body. The metal powder particles having shape anisotropy are arranged such that a plane-shaped surface thereof is parallel to a direction of flow of magnetic flux.Type: GrantFiled: December 6, 2017Date of Patent: March 23, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byeong Cheol Moon, Il Jin Park, Se Hyung Lee
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Patent number: 10861630Abstract: An inductor includes a body having a first magnetic portion above and below a coil, and a second magnetic portion above and below the first magnetic portion. The magnetic flux density of the magnetic substance in the first magnetic portion is higher than that of the magnetic substance in the second magnetic portion.Type: GrantFiled: April 28, 2017Date of Patent: December 8, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Han Wool Ryu, Jung Hyuk Jung, Hyo Chan Oh, Yoon Hee Kim, Woon Chul Choi, Jin Ho Ku, Il Jin Park
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Publication number: 20200168375Abstract: A coil component includes a body having one surface and the other surface facing each other, and a plurality of wall surfaces connecting the one surface and the other surface, and having a distance from the one surface to the other surface of 0.65 mm or less (excluding 0 mm); and a coil portion embedded in the body, wherein the body comprises an Fe—Si—B—Nb—Cu-based metal magnetic powder particle represented by the following chemical formula 1, wherein the Fe—Si—B—Nb—Cu-based metal magnetic powder particle comprises a crystal grain of 20 nm or less (excluding 0 mm), FeaSibBcNbdCue??[Chemical Formula 1] (where 73 atom %?a?77 atom %, 10 atom %?b?14 atom %, 9 atom%?c?11 atom %, 2 atom %?d?3 atom %, 0.5 atom %?e?1 atom %, and a+b+c+d+e=100).Type: ApplicationFiled: September 10, 2019Publication date: May 28, 2020Inventors: Il Jin PARK, Gwang Hwan HWANG, Jun Sung LEE, Soon Kwang KWON
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Publication number: 20200143972Abstract: A coil electronic component includes a body including magnetic particles and an insulating resin, and a coil portion disposed within the body. The body has a multilayer structure including a core portion covering the coil portion and a cover portion covering the core portion. The magnetic particles included in the core portion have a distribution of a particle size having a D50 of 3.5 ?m or less.Type: ApplicationFiled: September 6, 2019Publication date: May 7, 2020Inventors: Il Jin PARK, Joong Won PARK, Se Hyung LEE, Soon Kwang KWON
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Publication number: 20200066437Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.Type: ApplicationFiled: October 30, 2019Publication date: February 27, 2020Inventors: Se Hyung LEE, Je Ik MOON, Jung Wook SEO, Jun Sung LEE, Woo Jin LEE, Kang Ryong CHOI, Il Jin PARK, Gwang Hwan HWANG
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Patent number: 10497505Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.Type: GrantFiled: March 28, 2017Date of Patent: December 3, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang