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公开(公告)号：US10832849B2
公开(公告)日：2020-11-10
申请号：US16301892
申请日：2017-05-18
发明人： Seung Jae Hwang
IPC分类号： H01F27/02 , C09D163/00 , H01F38/14 , H05K7/20 , H01F27/28 , H02J7/02 , H05K9/00 , H02J50/10 , H02J50/70 , C09D7/61 , C09K5/14 , H01F27/36 , H05K5/03 , H05K5/04 , H02J50/00
摘要： A wireless power transmission device for a vehicle is provided. The wireless power transmission device according to an exemplary embodiment of the present invention comprises: a wireless power transmission module comprising at least one flat coil for transmitting wireless power and a magnetic field shielding sheet arranged on one surface of the flat coil; a heat radiating case for radiating heat generated by a heat source, with the wireless power transmission module being coupled to one side thereof and at least one circuit board for driving the wireless power transmission module being embedded therein; a heat radiating coating layer applied to the outer surface of the heat radiating case; and a cover detachably coupled to the heat-radiating case. The wireless power transmission device for the vehicle described above may be installed or embedded within a vehicle for using in charging the main battery of a portable terminal.
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公开(公告)号：US20200329592A1
公开(公告)日：2020-10-15
申请号：US16304863
申请日：2017-05-23
发明人： In Yong SEO , Ui Young JEONG
IPC分类号： H05K9/00 , B32B5/26 , B32B15/14 , B32B7/12 , C09J9/02 , C09J7/38 , C09J7/21 , H05K1/02 , H05K1/18 , H05K7/20
摘要： 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.
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公开(公告)号：US10751662B2
公开(公告)日：2020-08-25
申请号：US15572351
申请日：2016-05-18
发明人： In Yong Seo , Ui Young Jeong
IPC分类号： B01D39/00 , B01D46/52 , B01D53/00 , B01D53/04 , B01D53/22 , B01D39/08 , B01D39/16 , B01D67/00 , B01D69/12 , B01D69/10 , B01D69/02 , B01D71/02
摘要： Provided is a gas filter, which includes an adsorptive membrane for adsorbing foreign substances contained in a gas, wherein the adsorptive membrane has a corrugated structure folded in a number of times or a structure having a plurality of projections, in order to increase a contact surface area of the gas per unit area, and wherein the adsorptive membrane includes: a support member having a plurality of first pores; and a first adsorptive member which is stacked on the support member and has a plurality of second pores formed therein and which is made by accumulating ion exchange nanofibers for adsorbing foreign substances.
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公开(公告)号：US10750269B2
公开(公告)日：2020-08-18
申请号：US16469364
申请日：2017-12-12
发明人： Gi Wook Lee , Seung Yun Rho
IPC分类号： H04R1/10 , H01M10/058 , H01Q1/27 , G02B7/02 , H04R25/00
摘要： Wireless headphones having a built-in flexible battery are provided. Wireless headphones having a built-in flexible battery according to an exemplary embodiment of the present invention comprise: a band part having at least one fastening portion; a pair of headset parts, each of which includes a speaker unit for receiving a wirelessly transmitted audio signal and outputting the audio signal to the outside, and is connected to the band part; and a plate-shaped flexible battery which is embedded in the band part so as to supply power to the headset parts, and has a to-be-fastened portion corresponding to the fastening portion so as to be fixed in position when coupled to the band part.
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公开(公告)号：US10648105B2
公开(公告)日：2020-05-12
申请号：US15747307
申请日：2015-07-29
发明人： Chan Kim , Seung Hoon Lee , Jong Su Seok , Jung Jae Ryu , Do Hwan Kim
IPC分类号： D02G1/02 , D02G3/04 , D02G3/26 , D04H1/728 , D01D5/247 , D01D5/00 , B65H21/00 , D01D5/42 , D02G3/06 , D04H3/007 , D04H3/16 , D01F6/12
摘要： Provided is a nanofiber based composite false twist yarn that is obtained by producing a nanofiber tape yarn by precisely slitting a nanofiber membrane produced by electrospinning and then twisting a nanofiber-only twist yarn that is obtained by twisting the nanofiber tape yarn or composite-twisting a nanofiber-only twist yarn and a natural fiber or synthetic fiber. The nanofiber based composite false twist yarn includes: a nanofiber tape yarn including at least one bonding portion or a false twist yarn which is obtained by false twisting the nanofiber tape yarn; and a natural fiber yarn or a synthetic fiber yarn that is composite-false-twisted with the nanofiber tape yarn or the false twist yarn, wherein the nanofiber tape yarn is made of a nanofiber web that is obtained by integrating polymer nanofibers made of a fiber-forming polymer material and having an average diameter of less than 1 μm thereby having fine pores.
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公开(公告)号：US20200100403A1
公开(公告)日：2020-03-26
申请号：US16468801
申请日：2017-12-12
发明人： In Yong SEO , Ui Young JEONG , Jun Woo LEE
摘要： 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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公开(公告)号：US20200013573A1
公开(公告)日：2020-01-09
申请号：US16468018
申请日：2017-12-15
发明人： Min Ho WON , Seung Jae HWANG
摘要： A power relay assembly is provided. A power relay assembly according to an exemplary embodiment of the present invention comprises: an upper case having at least one electric element mounted on one surface thereof; a lower case coupled to the upper case; and at least one bus bar electrically connected to the electric element, disposed between the upper case and the lower case, and including a bottom portion that is in surface contact with at least one of the upper case and the lower case, wherein at least one side of the bottom portion contacts a portion made of a plastic material having heat dissipation and insulation properties in the upper case and the lower case.
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公开(公告)号：US20190394554A1
公开(公告)日：2019-12-26
申请号：US16469364
申请日：2017-12-12
发明人： Gi Wook LEE , Seung Yun RHO
IPC分类号： H04R1/10 , H01M10/058 , H01Q1/27
摘要： Wireless headphones having a built-in flexible battery are provided. Wireless headphones having a built-in flexible battery according to an exemplary embodiment of the present invention comprise: a band part having at least one fastening portion; a pair of headset parts, each of which includes a speaker unit for receiving a wirelessly transmitted audio signal and outputting the audio signal to the outside, and is connected to the band part; and a plate-shaped flexible battery which is embedded in the band part so as to supply power to the headset parts, and has a to-be-fastened portion corresponding to the fastening portion so as to be fixed in position when coupled to the band part.
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公开(公告)号：US10477305B2
公开(公告)日：2019-11-12
申请号：US15622567
申请日：2017-06-14
发明人： Yong Sik Jung
摘要： Provided is a waterproof sound device including: an acoustic unit that emits or receives sound; and a membrane that vibrates to transmit the sound emitted from the acoustic unit to the outside or to transmit sound from the outside to the acoustic unit, wherein a distance from the membrane to the acoustic unit is determined to be greater than the maximum vibration width of the width of the vibration of the membrane that vibrates toward the acoustic unit.
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公开(公告)号：US10476291B2
公开(公告)日：2019-11-12
申请号：US15105233
申请日：2014-12-29
发明人： Seung Yun Rho , Won Gil Choi , Ji Hyun Nam
IPC分类号： H02J7/02 , H01M2/10 , G04G19/00 , H02J7/00 , H02J50/12 , G04C10/00 , G04G17/04 , G04G17/06 , A44C5/00
摘要： Provided is a wearable device having a flexible battery, and the wearable device includes: a functional unit; a band unit that fixes the functional unit to a wrist of a user; and a thin plate flexible battery that is embedded in the band unit and supplies power to the functional unit.
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