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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
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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公开(公告)号：US11528833B2
公开(公告)日：2022-12-13
申请号：US16468894
申请日：2017-12-12
Applicant: AMOGREENTECH CO., LTD.
Inventor： In Yong Seo , Ui Young Jeong , Jun Woo Lee
Abstract: Electromagnetic wave shielding material including a conductive fiber web with multiple pores and a heat dissipation unit provided in at least some pores that is so excellent in flexibility, elasticity, and creasing/recovery that it can be changed in shape freely and brought in complete contact with a surface where the material is to be disposed even if the surface has a curved shape, uneven portions, or stepped portions, thus exhibiting excellent electromagnetic wave shielding performance and prevent deterioration thereof despite various shape changes. Since heat dissipation performance is excellent, heat generated in an electromagnetic wave source can be rapidly conducted and released. Even if parts are provided in a narrow area at high density, the material can be brought in close contact with mounted parts by overcoming a tight space between the parts and a stepped portion. The invention is employed for light, thin, short, and small or flexible devices.
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公开(公告)号：US10945358B2
公开(公告)日：2021-03-09
申请号：US16468801
申请日：2017-12-12
Applicant: AMOGREENTECH CO., LTD.
Inventor： In Yong Seo , Ui Young Jeong , Jun Woo Lee
Abstract: Provided is a flexible electromagnetic wave shielding material. An electromagnetic wave shielding material according to an embodiment of the present invention is implemented to include a conductive fiber web including a conductive composite fiber including a metal shell part covering an outside of a fiber part such that the conductive composite fiber forms multiple pores; and a first conductive component provided in at least some of the pores. The electromagnetic wave shielding material is so excellent in flexibility, elasticity, and creasing/recovery that the electromagnetic wave shielding material may be freely changed in shape, and can be 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 even with various shape changes. Furthermore, even if parts are provided in a narrow area at a high density, the electromagnetic wave shielding material can be brought into complete contact with the mounted parts by overcoming a tight space between the parts and a stepped portion. Thus, the present invention can be easily employed for a light, thin, short, and small or flexible electronic device.
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