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    Filter assembly, method for manufacturing same, and filter module comprising same
    31.
    发明授权
    Filter assembly, method for manufacturing same, and filter module comprising same 有权

    公开(公告)号：US11511235B2

    公开(公告)日：2022-11-29

    申请号：US16305954

    申请日：2017-05-31

    Applicant: AMOGREENTECH CO., LTD.

    Inventor： Ui Young Jeong ,  In Yong Seo

    IPC: B01D67/00 ,  B01D69/02 ,  B01D69/12 ,  B01D39/08 ,  B01D35/30 ,  B01D39/16

    Abstract: A filter assembly including a filtration medium comprising a nanofiber, having a three-dimensional network structure, and having a fiber web layer comprising a hydrophilic coating layer that covers at least a part of the outer surface of the nanofiber; and a first support body that supports the filtration medium, which is provided on both surfaces thereof, and has a channel formed therein. Accordingly, the filtration medium has excellent chemical resistance and improved hydrophilicity such that the flow rate can increase substantially. In addition, the improved hydrophilicity is maintained for a long period of time such that the utilization period can be extended substantially. Furthermore, any change in the pore structure of the filtration medium during the hydrophilicity endowing process is minimized such that the initially designed physical characteristics of the filtration medium can be fully exhibited.

    Thin electromagnetic shielding sheet and electronic device provided with same
    32.
    发明授权
    Thin electromagnetic shielding sheet and electronic device provided with same 有权

    公开(公告)号：US11324149B2

    公开(公告)日：2022-05-03

    申请号：US16304863

    申请日：2017-05-23

    Applicant: AMOGREENTECH CO., LTD.

    Inventor： In Yong Seo ,  Ui Young Jeong

    IPC: H05K9/00 ,  B32B5/26 ,  B32B15/14 ,  B32B7/12 ,  C09J9/02 ,  C09J7/38 ,  C09J7/21 ,  H05K1/02 ,  H05K1/18 ,  H05K7/20 ,  B32B9/00 ,  B32B9/04 ,  B32B15/20

    Abstract: Provided are a thin electromagnetic shielding sheet and an electronic device having the same. The thin electromagnetic shielding sheet includes: a pressure-sensitive adhesive tape including a fiber-accumulating type substrate, formed by accumulation of a plurality of fibers and having a plurality of pores, and a metal coating layer on an outer circumferential surface of each of the plurality of fibers, and electrically conductive adhesive layers formed on both surfaces of the fiber-accumulating type substrate, and made of an electrically conductive adhesive material filled in the plurality of pores and electrically connected by an applied pressure; a metal layer which is adhered to the electrically conductive adhesive layer on one surface of the pressure-sensitive adhesive tape to shield electromagnetic waves; and an insulating layer formed on the metal layer.

    Pressure-sensitive adhesive tape, method for manufacturing same, and electronic device comprising same
    33.
    发明授权
    Pressure-sensitive adhesive tape, method for manufacturing same, and electronic device comprising same 有权

    公开(公告)号：US11254842B2

    公开(公告)日：2022-02-22

    申请号：US16328028

    申请日：2017-08-21

    Applicant: AMOGREENTECH CO., LTD.

    Inventor： In Yong Seo ,  Ui Young Jeong

    IPC: C09J7/38 ,  C09J9/02 ,  C09J7/21 ,  C09J7/29 ,  C09J201/00 ,  C09J201/02 ,  D04H3/005 ,  B32B37/00

    Abstract: Provided are a pressure-sensitive adhesive tape, a method of manufacturing the same, and an electronic device having the same. The pressure-sensitive adhesive tape includes: a fiber accumulation type substrate in which a plurality of fibers are accumulated to form a plurality of pores therebetween; a metal coating layer coated on the outer circumferential surfaces of the plurality of fibers of the fiber accumulation type substrate; and an electrically conductive adhesive layer formed on one side or both sides of the fiber accumulation type substrate on which the metal coating layer is formed, wherein the electrically conductive adhesive layer is formed of an electrically conductive adhesive material filled in the plurality of pores and is electrically connected by an applied pressure.

    Electrode, secondary battery using same, and method for manufacturing electrode
    34.
    发明授权
    Electrode, secondary battery using same, and method for manufacturing electrode 有权

    公开(公告)号：US11018379B2

    公开(公告)日：2021-05-25

    申请号：US16333809

    申请日：2017-09-19

    Applicant: AMOGREENTECH CO., LTD.

    Inventor： Seung Yun Rho ,  In Yong Seo ,  Ju Hyung Kim ,  Su Yeon Lee ,  Seung Gon Park ,  Dong Woo Kim

    IPC: H01M10/42 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/62 ,  H01M4/13 ,  H01M4/139 ,  H01M50/46

    Abstract: Provided are an electrode capable of preventing separation of a short-circuit prevention layer since the short-circuit prevention layer, which is made of a heat-resistant polymer fiber, can be attached with high binding force when formed on the surface of the electrode, in the case that an active material layer includes a predetermined amount of polyvinylidene fluoride (PVdF) as a binder; a secondary battery using the same; and a method of manufacturing the electrode. The electrode includes: an electrode current collector; an active material layer formed on the electrode current collector; and a short-circuit prevention layer formed on the active material layer, wherein the short-circuit prevention layer includes a porous polymer fiber web having a plurality of pores through accumulation of ultrafine fibers of a heat-resistant polymer material, and the active material layer includes PVdF as a binder.

    Flexible electromagnetic wave shielding material and manufacturing method therefor
    38.
    发明授权
    Flexible electromagnetic wave shielding material and manufacturing method therefor 有权

    公开(公告)号：US10609848B2

    公开(公告)日：2020-03-31

    申请号：US16467191

    申请日：2017-12-13

    Applicant: AMOGREENTECH CO., LTD.

    Inventor： In Yong Seo ,  Ui Young Jeong ,  Jun Woo Lee

    IPC: H05K9/00 ,  H01B1/22

    Abstract: Provided is a flexible electromagnetic wave shielding material. An electromagnetic wave shielding material according to an embodiment of the present invention includes a conductive nanofiber web having a nanofiber web formed of a nanofiber and including multiple pores and a metal layer covering at least a portion of the nanofiber disposed on a surface portion of the nanofiber web, wherein a metal particle is provided in at least some of the pores; and an elastic member brought in contact with one surface of the conductive nanofiber web of the metal layer. Thus, the electromagnetic wave shielding material is so excellent in elasticity that the electromagnetic wave shielding material may be freely changed in shape, and can be attached to and brought in complete contact with a surface where the electromagnetic wave shielding material is intended to be disposed even if the surface has a curved shape such as an uneven portion or a stepped portion, thus exhibiting excellent electromagnetic wave shielding performance. Also, it is possible to prevent deterioration of the electromagnetic wave shielding performance despite various shape changes. Furthermore, even if parts are provided in a narrow area at a high density, the flexible electromagnetic wave shielding material can be brought in close contact with mounted parts by overcoming a tight space between the parts and a stepped portion. Thus, the present invention may be easily employed for a light, thin, short, and small or flexible electronic device.

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