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公开(公告)号：US10236581B2
公开(公告)日：2019-03-19
申请号：US14805984
申请日：2015-07-22
发明人： Byeongtaek Moon , Youngki Lee , Yohan Jang , Hyounghwan Roh , Iljong Song
摘要： An antenna of a near field wireless communication device is provided. The antenna may include: a source coil pattern formed on one surface of a flexible printed circuit board (FPCB) and formed with a first conductive line between a first antenna port and a second antenna port; a resonance coil pattern formed with a second conductive line, which electrically separates from the source coil pattern; and a capacitor pattern electrically connected to the second conductive line, wherein one terminal of the capacitor pattern is connected to a first terminal of the second conductive line and the other terminal of the capacitor pattern is connected to a second terminal of the second conductive line through a third conductive line formed on the other surface of the FPCB.
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公开(公告)号：US10553933B2
公开(公告)日：2020-02-04
申请号：US16544431
申请日：2019-08-19
发明人： Youngki Lee , Jaesuk Lee , Hyounghwan Roh , Iljong Song , Youngjae Jang , Yohan Jang
摘要： Disclosed is an electronic device which includes: a metal body including a hole defined by an inner edge thereof and extending in a first direction, wherein the metal body is defined by an outer edge thereof; and a near field communication (NFC) antenna including a coil wound about a central axis and arranged near the metal body to overlap the hole in a plan view of the metal body, wherein the inner edge and the outer edge are not connected to each other and the NFC antenna is arranged at the center of the hole along a second direction perpendicular to the first direction, and wherein the NFC antenna is arranged such that four cross points at which the NFC antenna and the inner edge cross in the plan view are formed.
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公开(公告)号：US10148321B2
公开(公告)日：2018-12-04
申请号：US15464845
申请日：2017-03-21
发明人： Yohan Jang , Iljong Song , Hyounghwan Roh , Youngki Lee , Jaesuk Lee
IPC分类号： H04B5/00
摘要： An electronic device that includes a near field communication (NFC) antenna and a mobile device is provided. The NFC antenna includes a first coil and a second coil separated from the first coil. The mobile device includes the first coil. The second coil is arranged on the outside of the mobile device.
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公开(公告)号：US10389009B2
公开(公告)日：2019-08-20
申请号：US15448732
申请日：2017-03-03
发明人： Youngki Lee , Jaesuk Lee , Hyounghwan Roh , Iljong Song , Youngjae Jang , Yohan Jang
摘要： Disclosed is an electronic device which includes: a metal body including a hole defined by an inner edge thereof and extending in a first direction, wherein the metal body is defined by an outer edge thereof; and a near field communication (NFC) antenna including a coil wound about a central axis and arranged near the metal body to overlap the hole in a plan view of the metal body, wherein the inner edge and the outer edge are not connected to each other and the NFC antenna is arranged at the center of the hole along a second direction perpendicular to the first direction, and wherein the NFC antenna is arranged such that four cross points at which the NFC antenna and the inner edge cross in the plan view are formed.
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公开(公告)号：US10135116B2
公开(公告)日：2018-11-20
申请号：US15077122
申请日：2016-03-22
发明人： Woosup Lee , Iljong Song , Jungsik Park , Youngki Lee , Jaesuk Lee , Hyounghwan Roh , Sehwan Choi
摘要： A handheld electronic device is provided. The handheld electronic device includes a front cover forming the front of the handheld electronic device, a back cover forming the back of the handheld electronic device, a side member at least partially surrounding a space between the front cover and the back cover, a display module, housed in the space, with a screen area exposed through the front cover, and a ground plate housed in the space. At least part of the side member and/or the back cover includes a conductive material. The handheld electronic device includes first and second connection terminals electrically connected to the at least part. The at least part forms at least part of an antenna of the handheld electronic device, and comprises first and second areas which are spaced apart from each other. The first area is electrically connected to the second area and the first connection terminal.
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公开(公告)号：US09800295B2
公开(公告)日：2017-10-24
申请号：US15244420
申请日：2016-08-23
发明人： Yohan Jang , Iljong Song , Hyounghwan Roh , Youngki Lee
CPC分类号： H04B5/0087 , G06Q20/3278 , H04B5/0031 , H04B5/0056 , H04B5/0081
摘要： A near field communication (hereinafter, referred to as “NFC”) antenna matching network system connected to an NFC transceiver is provided. The NFC antenna matching network system includes a matching circuit connected to first and second antenna terminals and to the NFC transceiver; and a plurality of NFC antennas connected in parallel and physically with the first and second antenna terminals, wherein each of the NFC antennas comprises a source coil connected between the first antenna terminal and the second antenna terminal; and a resonance coil physically separated from the source coil.
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