Patents by Inventor Heung Gyoon Choi
Heung Gyoon Choi 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: 20210327638Abstract: A planar transformer is disclosed. The disclosed planar transformer includes: a magnetic core; a first coil unit formed in a conductor pattern in a plurality of layers stacked in the magnetic core; a second coil unit formed in a conductor pattern in the plurality of layers stacked in the magnetic core; an electromagnetic interference (EMI) reduction unit disposed on the output end of the second coil unit; and a base for accommodating the magnetic core and the coil units.Type: ApplicationFiled: August 23, 2019Publication date: October 21, 2021Inventors: Changyong KWON, Junkyu LEE, Heung Gyoon CHOI, Dongkyun RYU
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Patent number: 10991501Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: GrantFiled: March 3, 2020Date of Patent: April 27, 2021Assignee: SOLUM CO., LTD.Inventors: Jae Gen Eom, Young Seung Noh, Heung Gyoon Choi, Geun Young Park, Sung Yun Han, Seh Hoon Jang, Nak Jun Jeong, Young Min Lee, Jong Woo Kim, Tae Won Heo
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Patent number: 10958182Abstract: A transformer and an LLC resonant converter are provided. The transformer includes first and second cores configured to include a pair of outer foots and a middle foot positioned between the outer foots, and to induce a magnetic field formation; first and second inductor winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the first core, and to be connected in series with each other; and first and second transformer winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the second core, wherein the pair of outer foots of the first core face the pair of outer foots of the second core, the middle foot of the first core faces the middle foot of the second core, and the first core and the second core are disposed to be spaced apart from each other.Type: GrantFiled: December 31, 2019Date of Patent: March 23, 2021Assignee: SOLUM CO., LTD.Inventors: Sang-keun Ji, Sang-kyoo Han, Cheol-wan Park, Dong-kyun Ryu, Heung-gyoon Choi
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Publication number: 20200203056Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: ApplicationFiled: March 3, 2020Publication date: June 25, 2020Inventors: Jae Gen EOM, Young Seung NOH, Heung Gyoon CHOI, Geun Young PARK, Sung Yun HAN, Seh Hoon JANG, Nak Jun JEONG, Young Min LEE, Jong Woo KIM, Tae Won HEO
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Patent number: 10658101Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: GrantFiled: April 22, 2019Date of Patent: May 19, 2020Assignee: SOLUM CO., LTD.Inventors: Jae Gen Eom, Young Seung Noh, Heung Gyoon Choi, Geun Young Park, Sung Yun Han, Seh Hoon Jang, Nak Jun Jeong, Young Min Lee, Jong Woo Kim, Tae Won Heo
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Publication number: 20200136518Abstract: A transformer and an LLC resonant converter are provided. The transformer includes first and second cores configured to include a pair of outer foots and a middle foot positioned between the outer foots, and to induce a magnetic field formation; first and second inductor winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the first core, and to be connected in series with each other; and first and second transformer winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the second core, wherein the pair of outer foots of the first core face the pair of outer foots of the second core, the middle foot of the first core faces the middle foot of the second core, and the first core and the second core are disposed to be spaced apart from each other.Type: ApplicationFiled: December 31, 2019Publication date: April 30, 2020Inventors: Sang-keun JI, Sang-kyoo HAN, Cheol-wan PARK, Dong-kyun RYU, Heung-gyoon CHOI
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Patent number: 10630191Abstract: A transformer and an LLC resonant converter are provided. The transformer includes first and second cores configured to include a pair of outer foots and a middle foot positioned between the outer foots, and to induce a magnetic field formation; first and second inductor winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the first core, and to be connected in series with each other; and first and second transformer winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the second core, wherein the pair of outer foots of the first core face the pair of outer foots of the second core, the middle foot of the first core faces the middle foot of the second core, and the first core and the second core are disposed to be spaced apart from each other.Type: GrantFiled: May 4, 2018Date of Patent: April 21, 2020Assignee: SOLUM CO., LTD.Inventors: Sang-keun Ji, Sang-kyoo Han, Cheol-wan Park, Dong-kyun Ryu, Heung-gyoon Choi
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Patent number: 10614944Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: GrantFiled: April 22, 2019Date of Patent: April 7, 2020Assignee: SOLUM CO., LTD.Inventors: Jae Gen Eom, Young Seung Noh, Heung Gyoon Choi, Geun Young Park, Sung Yun Han, Seh Hoon Jang, Nak Jun Jeong, Young Min Lee, Jong Woo Kim, Tae Won Heo
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Patent number: 10541619Abstract: An LLC resonant converter and an electronic device are provided. The LLC resonant converter according to the present disclosure includes a multi input transformer, first and second converter units connected to a primary side of the multi input transformer, an input voltage part, a first balance capacitor, and an output part connected to a secondary side of the multi input transformer.Type: GrantFiled: May 4, 2018Date of Patent: January 21, 2020Assignee: SOLUM CO., LTD.Inventors: Sang-keun Ji, Sang-kyoo Han, Hyun-su Gu, Hyo-hun Kim, Dong-kyun Ryu, Heung-gyoon Choi
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Patent number: 10505463Abstract: An LLC resonant converter and an electronic device are provided. The LLC resonant converter according to the present disclosure includes a multi input transformer, first and second converter units connected to a primary side of the multi input transformer, an input voltage part, a first balance capacitor, and an output part connected to a secondary side of the multi input transformer.Type: GrantFiled: May 4, 2018Date of Patent: December 10, 2019Assignee: SOLUM CO., LTD.Inventors: Sang-keun Ji, Sang-kyoo Han, Hyun-su Gu, Hyo-hun Kim, Dong-kyun Ryu, Heung-gyoon Choi
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Patent number: 10388449Abstract: A transformer is provided, which includes a magnetic core, a primary coil module including a coil support arranged in the magnetic core and a primary coil formed on the coil support, an upper secondary coil module including an upper insulation molded body arranged on an upper portion of the primary coil module and an upper plate coil buried in the upper insulation molded body and arranged to face the primary coil, and a lower secondary coil module including a lower insulation molded body arranged on a lower portion of the primary coil module and a lower plate coil buried in the lower insulation molded body and arranged to face the primary coil.Type: GrantFiled: May 31, 2016Date of Patent: August 20, 2019Assignee: SOLUM CO., LTD.Inventors: Geun-young Park, Bong-ho Jang, Jae-gen Eom, Young-seung Noh, Heung-gyoon Choi, Heui-wook Kim
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Publication number: 20190252107Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: ApplicationFiled: April 22, 2019Publication date: August 15, 2019Inventors: Jae Gen EOM, Young Seung NOH, Heung Gyoon CHOI, Geun Young PARK, Sung Yun HAN, Seh Hoon JANG, Nak Jun JEONG, Young Min LEE, Jong Woo KIM, Tae Won HEO
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Patent number: 10312012Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: GrantFiled: July 11, 2014Date of Patent: June 4, 2019Assignee: SOLUM CO., LTD.Inventors: Jae Gen Eom, Young Seung Noh, Heung Gyoon Choi, Geun Young Park, Sung Yun Han, Seh Hoon Jang, Nak Jun Jeong, Young Min Lee, Jong Woo Kim, Tae Won Heo
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Patent number: 10163554Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: GrantFiled: January 22, 2015Date of Patent: December 25, 2018Assignee: SOLUM CO., LTD.Inventors: Jae Gen Eom, Young Seung Noh, Heung Gyoon Choi, Geun Young Park, Sung Yun Han, Seh Hoon Jang, Nak Jun Jeong, Young Min Lee, Jong Woo Kim, Tae Won Heo
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Publication number: 20180342953Abstract: A transformer and an LLC resonant converter are provided. The transformer includes first and second cores configured to include a pair of outer foots and a middle foot positioned between the outer foots, and to induce a magnetic field formation; first and second inductor winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the first core, and to be connected in series with each other; and first and second transformer winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the second core, wherein the pair of outer foots of the first core face the pair of outer foots of the second core, the middle foot of the first core faces the middle foot of the second core, and the first core and the second core are disposed to be spaced apart from each other.Type: ApplicationFiled: May 4, 2018Publication date: November 29, 2018Inventors: Sang-keun JI, Sang-kyoo HAN, Cheol-wan PARK, Dong-kyun RYU, Heung-gyoon CHOI
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Publication number: 20180342958Abstract: An LLC resonant converter and an electronic device are provided. The LLC resonant converter according to the present disclosure includes a multi input transformer, first and second converter units connected to a primary side of the multi input transformer, an input voltage part, a first balance capacitor, and an output part connected to a secondary side of the multi input transformer.Type: ApplicationFiled: May 4, 2018Publication date: November 29, 2018Inventors: Sang-keun JI, Sang-kyoo HAN, Hyun-su GU, Hyo-hun KIM, Dong-kyun RYU, Heung-gyoon CHOI
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Patent number: 9876363Abstract: A non-contact type power transmitting apparatus may include a rectifying unit rectifying alternating current (AC) power, a power converting unit converting the power rectified by the rectifying unit into direct current (DC) power through a single power converting operation and switching and transmitting the DC power, and a power transmitting coil transmitting transmission power transmitted from the power converting unit externally in a non-contact scheme.Type: GrantFiled: March 3, 2015Date of Patent: January 23, 2018Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Young Min Lee, Tae Won Heo, Sang Ho Cho, Heung Gyoon Choi
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Patent number: 9865390Abstract: A coil component includes a first coil part including a multilayer substrate on which a conductor pattern is formed, a second coil part formed as a wire and stacked together with the first coil part, a core coupled to the first and second coil parts while penetrating through the first and second coil parts to thereby be electromagnetically coupled to the first and second coil parts, and a pressing member interposed between the core and the second coil part to allow the first and second coil parts to closely adhere to each other.Type: GrantFiled: November 22, 2016Date of Patent: January 9, 2018Assignee: Solum Co., Ltd.Inventors: Xin Lan Li, Jae Gen Eom, Geun Young Park, Se Hoon Jang, Heung Gyoon Choi
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Patent number: 9824810Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.Type: GrantFiled: January 21, 2015Date of Patent: November 21, 2017Assignee: SOLUM CO., LTD.Inventors: Jae Gen Eom, Young Seung Noh, Heung Gyoon Choi, Geun Young Park, Sung Yun Han, Seh Hoon Jang, Nak Jun Jeong, Young Min Lee, Jong Woo Kim, Tae Won Heo
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Publication number: 20170076856Abstract: A coil component includes a first coil part including a multilayer substrate on which a conductor pattern is formed, a second coil part formed as a wire and stacked together with the first coil part, a core coupled to the first and second coil parts while penetrating through the first and second coil parts to thereby be electromagnetically coupled to the first and second coil parts, and a pressing member interposed between the core and the second coil part to allow the first and second coil parts to closely adhere to each other.Type: ApplicationFiled: November 22, 2016Publication date: March 16, 2017Applicant: Solum Co., Ltd.Inventors: Xin Lan LI, Jae Gen EOM, Geun Young PARK, Se Hoon JANG, Heung Gyoon CHOI