Patents by Inventor Myeong Sik Cheon

Myeong Sik Cheon 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).

  • Patent number: 10755846
    Abstract: A transformer includes a magnetic core having an inner space, a coil unit disposed within the magnetic core and including a primary coil and a secondary coil in which layers formed with conductive patterns are laminated, and a base configured to receive the magnetic core and the coil unit. A portion of the base is inserted into and disposed in the coil unit to be interposed between an output terminal coupled to the secondary coil and the magnetic core.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: August 25, 2020
    Assignee: SOLUM Co., Ltd.
    Inventors: Myeong-sik Cheon, Jun-young Kim, Yun-sic Bang
  • Publication number: 20190027293
    Abstract: A transformer includes a magnetic core having an inner space, a coil unit disposed within the magnetic core and including a primary coil and a secondary coil in which layers formed with conductive patterns are laminated, and a base configured to receive the magnetic core and the coil unit. A portion of the base is inserted into and disposed in the coil unit to be interposed between an output terminal coupled to the secondary coil and the magnetic core.
    Type: Application
    Filed: May 11, 2018
    Publication date: January 24, 2019
    Applicant: SOLUM Co., Ltd.
    Inventors: Myeong-sik CHEON, Jun-young KIM, Yun-sic BANG
  • Patent number: 9396863
    Abstract: A transformer, according to one possible embodiment, includes: a bobbin part formed by stacking a plurality of bobbins including external connection terminals; and coils respectively wound around the plurality of bobbins. At least one bobbin of the plurality of bobbins includes withdrawing grooves formed in a space between the external connection terminals, the respective coil wound around the at least one bobbin being withdrawn outside the bobbin via the withdrawing grooves and coupled to the external connection terminal.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: July 19, 2016
    Assignee: SOLUM CO., LTD.
    Inventors: Jae Gen Eom, Myeong Sik Cheon, Deuk Hoon Kim, Sang Joon Seo, Geun Young Park
  • Patent number: 9019056
    Abstract: Disclosed are a coil component capable of securing insulation between primary and secondary coils while being miniaturized, a mounting structure thereof, and an electronic device having the same. The coil component includes a bobbin including a winding part around which coils are wound and first terminal fastening parts fastened to a plurality of first connection terminals; and a second terminal fastening part including terminal blocks protruded from the bobbin and a plurality of second connection terminals fastened to the terminal blocks, wherein the second terminal fastening part is mounted on a substrate while being spaced apart from the bobbin after the coils are wound therearound.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Duck Jin An, Ki Hung Nam, Soon Young Kwon, Myeong Sik Cheon
  • Patent number: 8742878
    Abstract: There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the inner bobbin is inserted into the through-hole of the outer bobbin to thereby be coupled to the outer bobbin and at least one of the inner and outer bobbins includes the flange part having a width larger than a thickness of the body part.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: June 3, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Geun Young Park, Myeong Sik Cheon, Choong Sik Yoo, Jae Hyun Lee, Young Min Lee, Hwi Beom Shin, Sang Joon Seo, Jong Hae Kim
  • Publication number: 20140125443
    Abstract: A transformer, according to one possible embodiment, includes: a bobbin part formed by stacking a plurality of bobbins including external connection terminals; and coils respectively wound around the plurality of bobbins. At least one bobbin of the plurality of bobbins includes withdrawing grooves formed in a space between the external connection terminals, the respective coil wound around the at least one bobbin being withdrawn outside the bobbin via the withdrawing grooves and coupled to the external connection terminal.
    Type: Application
    Filed: January 14, 2014
    Publication date: May 8, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Gen EOM, Myeong Sik Cheon, Deuk Hoon Kim, Sang Joon Seo, Geun Young Park
  • Publication number: 20140125442
    Abstract: There are provided a thin transformer capable of being used in a slim display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a through-hole formed in an inner part thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein at least one of the bobbins includes a coil skip part which is a route through which lead wires of the coil skipped through the flange part is disposed on an outer surface of the flange part.
    Type: Application
    Filed: January 13, 2014
    Publication date: May 8, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Myeong Sik CHEON, Sang Joon SEO, Geun Young PARK, Deuk Hoon KIM, Hwi Beom SHIN, Young Min LEE, Jong Hae KIM
  • Patent number: 8698586
    Abstract: There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) device, and a flat panel display device including the thin transformer. The transformer includes a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the outer bobbin includes a support part formed at the flange part formed at an upper end of the body part of the outer bobbin so as to cover a portion of the through-hole, and the inner bobbin is coupled to the outer bobbin while having one end supported by the support part.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: April 15, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Geun Young Park, Myeong Sik Cheon, Jae Gen Eom, Sang Joon Seo, Deuk Hoon Kim, Hwi Beom Shin, Young Min Lee, Jong Hae Kim
  • Patent number: 8648685
    Abstract: There are provided a thin transformer capable of being used in a slim display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner part thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein at least one of the bobbins includes a coil skip part which is a route through which lead wires of the coil skipped through the flange part is disposed on an outer surface of the flange part.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: February 11, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Myeong Sik Cheon, Sang Joon Seo, Geun Young Park, Deuk Hoon Kim, Hwi Beom Shin, Young Min Lee, Jong Hae Kim
  • Patent number: 8643459
    Abstract: There are provided a transformer and a flat panel display device including the same capable of securing leakage inductance and allowing easy manufacturing. The transformer according to the embodiment of the present invention includes: a bobbin part including a plurality of bobbins each including a tube-shaped body part having a penetration hole therein and one of flange parts protruded outwardly from both sides of the body part; a core inserted into the penetration holes in the bobbins to form a magnetic circuit; a coil part including respective coils wound around the bobbins; and a bobbin fixing member combined with either side surface of the bobbin part in which at least two of the bobbins are laminated, to fix and combine at least two of the bobbins.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Gen Eom, Myeong Sik Cheon, Deuk Hoon Kim, Sang Joon Seo, Geun Young Park
  • Publication number: 20140002224
    Abstract: Disclosed are a coil component capable of securing insulation between primary and secondary coils while being miniaturized, a mounting structure thereof, and an electronic device having the same. The coil component includes a bobbin including a winding part around which coils are wound and first terminal fastening parts fastened to a plurality of first connection terminals; and a second terminal fastening part including terminal blocks protruded from the bobbin and a plurality of second connection terminals fastened to the terminal blocks, wherein the second terminal fastening part is mounted on a substrate while being spaced apart from the bobbin after the coils are wound therearound.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 2, 2014
    Inventors: Duck Jin AN, Ki Hung Nam, Soon Young Kwon, Myeong Sik Cheon
  • Patent number: 8570136
    Abstract: There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the inner bobbin is inserted into the through-hole of the outer bobbin to thereby be coupled to the outer bobbin and at least one of the inner and outer bobbins includes the flange part having a width larger than a thickness of the body part.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: October 29, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Geun Young Park, Myeong Sik Cheon, Choong Sik Yoo, Jae Hyun Lee, Young Min Lee, Hwi Beom Shin, Sang Joon Seo, Jong Hae Kim
  • Publication number: 20130120099
    Abstract: There is provided a transformer capable of easily securing an insulation distance between a core and coils. The transformer includes: a bobbin including a pipe shaped body part having a through-hole formed therein and flange parts protruding outwardly from both ends of the body part; a plurality of coils wound on the body part of the bobbin; and a core inserted into the through-hole of the bobbin to form a magnetic circuit, wherein both an outer surface and an outer peripheral surface of the flange parts are disposed to be spaced apart from an inner peripheral surface of a core by a predetermined interval.
    Type: Application
    Filed: September 13, 2012
    Publication date: May 16, 2013
    Inventors: Duck Jin AN, Ki Hung Nam, Myeong Sik Cheon, Sang Joon Seo
  • Publication number: 20120169445
    Abstract: There are provided a transformer and a flat panel display device having the same. The transformer includes: a bobbin, around which a coil is wound; and an input/output terminal installed in the bobbin, a lead portion of the coil wound around the bobbin being connected to the input/output terminal, wherein the input/output terminal has a stopper portion protruded from at least one face and limiting a winding position of the coil such that the lead portion of the coil is wound therearound to be separated from the bobbin.
    Type: Application
    Filed: December 27, 2011
    Publication date: July 5, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hyun Lee, Choong Sik Yoo, Young Chang Choi, Yo Sung Myoung, Myeong Sik Cheon
  • Publication number: 20120154089
    Abstract: There are provided a transformer and a flat panel display device including the same capable of securing leakage inductance and allowing easy manufacturing. The transformer according to the embodiment of the present invention includes: a bobbin part including a plurality of bobbins each including a tube-shaped body part having a penetration hole therein and one of flange parts protruded outwardly from both sides of the body part; a core inserted into the penetration holes in the bobbins to form a magnetic circuit; a coil part including respective coils wound around the bobbins; and a bobbin fixing member combined with either side surface of the bobbin part in which at least two of the bobbins are laminated, to fix and combine at least two of the bobbins.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 21, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Gen Eom, Myeong Sik Cheon, Deuk Hoon Kim, Sang Joon Seo, Geun Young Park
  • Publication number: 20120038448
    Abstract: There is provided a transformer in which lead wires of a coil are disposed to be separated from each other so as to prevent a short-circuit between the lead wires. The transformer includes a winding unit having a plurality of partitions formed on an outer circumferential surface of a tubular body part; a base provided at one end of the winding unit and including at least one external connection terminal protruding outwardly; a coil wound on a bobbin and having a lead wire connected to the external connection terminal; and a core electromagnetically coupled with the coil to thereby form a magnetic path, wherein the bobbin includes at least one lead wire supporting portion protruding outwardly from the partitions, supporting the lead wire and guiding the lead wire to the external connection terminal.
    Type: Application
    Filed: August 10, 2011
    Publication date: February 16, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Deuk Hoon Kim, Geun Young Park, Sang Joon Seo, Jae Gen Eom, Myeong Sik Cheon
  • Publication number: 20120001716
    Abstract: There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part vertically protruding outwardly from both ends of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an outer bobbin and an inner bobbin inserted into the through-hole of the outer bobbin to thereby be coupled thereto, and the flange part of the bobbin part includes at least one insulating rib protruding from an outer surface thereof in order to reinforce strength thereof.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 5, 2012
    Inventors: Geun Young PARK, Myeong Sik CHEON, Young Min LEE, Hwi Beom SHIN, Sang Joon SEO, Jong Hae KIM
  • Publication number: 20120001886
    Abstract: There are provided a thin transformer capable of being used in a slim display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner part thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein at least one of the bobbins includes a coil skip part which is a route through which lead wires of the coil skipped through the flange part is disposed on an outer surface of the flange part.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 5, 2012
    Inventors: Myeong Sik Cheon, Sang Joon Seo, Geun Young Park, Deuk Hoon Kim, Hwi Beom Shin, Young Min Lee, Jong Hae Kim
  • Publication number: 20120001887
    Abstract: There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the inner bobbin is inserted into the through-hole of the outer bobbin to thereby be coupled to the outer bobbin and at least one of the inner and outer bobbins includes the flange part having a width larger than a thickness of the body part.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 5, 2012
    Inventors: Geun Young PARK, Myeong Sik Cheon, Choong Sik Yoo, Jae Hyun Lee, Young Min Lee, Hwi Beom Shin, Sang Joon Seo, Jong Hae Kim
  • Publication number: 20120002387
    Abstract: There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) device, and a flat panel display device including the thin transformer. The transformer includes a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the outer bobbin includes a support part formed at the flange part formed at an upper end of the body part of the outer bobbin so as to cover a portion of the through-hole, and the inner bobbin is coupled to the outer bobbin while having one end supported by the support part.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 5, 2012
    Inventors: Geun Young Park, Myeong Sik Cheon, Jae Gen Eom, Sang Joon Seo, Deuk Hoon Kim, Hwi Beom Shin, Young Min Lee, Jong Hae Kim