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    Ferrite core and coil component comprising same
    1.
    发明授权
    Ferrite core and coil component comprising same 有权

    公开(公告)号：US12002606B2

    公开(公告)日：2024-06-04

    申请号：US16965109

    申请日：2019-01-28

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Hyun Ji Lee ,  Jai Hoon Yeom ,  Sung Hoon Kim ,  Seok Bae ,  Sang Won Lee

    IPC: H01F1/11 ,  H01F1/03 ,  H01F1/34 ,  H01F27/24 ,  H01F27/28

    CPC classification number: H01F1/11 ,  H01F27/24 ,  H01F27/28

    Abstract: A ferrite core according to an embodiment of the present invention includes a plurality of grains including Mn at 30 to 40 mol %, Zn at 5 to 15 mol %, and Fe at 50 to 60 mol %, and a plurality of grain boundaries disposed between the plurality of grains, wherein the plurality of grains and the plurality of grain boundaries include Co, Ni, SiO2, CaO, and Ta2O5, content of the Co and the Ni in the plurality of grains is two or more times higher than content of the Co and the Ni in the plurality of grain boundaries, content of the SiO2, the CaO, and the Ta2O5 in the plurality of grain boundaries is two or more times higher than content of the SiO2, the CaO, and the Ta2O5 in the plurality of grains, a magnetic permeability is 3000 or more, and a core loss is 800 or less.

    Inductor and DC converter including same
    4.
    发明授权
    Inductor and DC converter including same 有权

    公开(公告)号：US12068096B2

    公开(公告)日：2024-08-20

    申请号：US17624032

    申请日：2020-07-02

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Seok Bae ,  Jai Hoon Yeom ,  Jung Hwan Choi

    IPC: H01F27/28 ,  H01F27/24 ,  H02M3/158

    CPC classification number: H01F27/24 ,  H01F27/28 ,  H02M3/1586

    Abstract: An inductor according to an embodiment of the present invention may include: a plurality of first E-type cores, each of which has a base unit and a center leg extending in a first direction from the base unit; a first I-type core arranged in the first direction from the plurality of first E-type cores; and a coil wound around the center leg of each of the plurality of first E-type cores. Here, the plurality of E-type cores may be arranged in a line along the first direction.

    TRANSFORMER AND DC-DC CONVERTER INCLUDING SAME
    6.
    发明申请
    TRANSFORMER AND DC-DC CONVERTER INCLUDING SAME 有权

    公开(公告)号：US20220068557A1

    公开(公告)日：2022-03-03

    申请号：US17310535

    申请日：2020-02-05

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Jai Hoon Yeom ,  Soo Kwang Yoon ,  Seok Bae

    IPC: H01F27/32 ,  H01F27/24

    Abstract: The present invention relates to a transformer and, more specifically, to a transformer including a secondary coil part which comprises stacked conductive plates. A transformer according to an embodiment of the present invention may comprise: a core part having a middle leg and outer legs; a secondary coil part including multiple conductive plates vertically stacked to form coil turns around the middle leg; and a primary coil part including conductive wires wound to form coil turns around the respective outer legs.

    INDUCTOR-INTEGRATED TRANSFORMER
    9.
    发明公开
    INDUCTOR-INTEGRATED TRANSFORMER 审中-公开

    公开(公告)号：US20240120146A1

    公开(公告)日：2024-04-11

    申请号：US18263075

    申请日：2022-01-28

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Jai Hoon Yeom ,  Sang Won Lee ,  Soo Kwang Yoon ,  Jong Sun Jeong

    IPC: H01F27/29 ,  H01F27/25

    CPC classification number: H01F27/292 ,  H01F27/25

    Abstract: An inductor-integrated transformer as an embodiment of the present invention includes a transformer core including an upper core and a lower core; a transformer coil including a primary coil and a secondary coil; an inductor core including an upper core and a lower core; and an inductor coil, wherein the primary coil includes a plurality of input terminals spaced a first distance apart from a first surface of the transformer core; and a plurality of input terminals spaced a second distance apart from a second surface, and the output terminal is electrically connected to the secondary coil and the inductor coil, and the first distance is greater than the second distance.

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