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公开(公告)号：US11637454B2
公开(公告)日：2023-04-25
申请号：US17272822
申请日：2019-09-03
发明人： Sungku Yeo , Kangyoon Lee , Chongmin Lee , Dongin Kim , Sangyun Kim , Jaeseok Park , Youngho Ryu , Hamed Abbasizadeh
摘要： An electronic device according to various embodiments of the present invention comprises: a receiving circuit for outputting an AC power received wirelessly; and a rectifier circuit for rectifying the AC power being output from the power receiving circuit. The rectifier circuit comprises a forward rectifier circuit and a reverse rectifier circuit. A first terminal of the forward rectifier circuit is connected to the receiving circuit and the reverse rectifier circuit, a second terminal of the forward rectifier circuit is connected to an output terminal, and the forward rectifier circuit comprises first transistors for rectifying the AC power during a first period. A first terminal of the reverse rectifier circuit is connected to the receiving circuit and the forward rectifier circuit, a second terminal of the reverse rectifier circuit is connected to a ground, and the reverse rectifier circuit can comprise second transistors for preventing the AC power from being transmitted to the forward rectifier circuit during a second period.
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公开(公告)号：US11990768B2
公开(公告)日：2024-05-21
申请号：US17583803
申请日：2022-01-25
发明人： Jaehyun Park , Beomwoo Gu , Jaeseok Park , Hyunseok Shin , Sungku Yeo , Youngho Ryu , Chongmin Lee
CPC分类号： H02J50/12 , H02J50/005
摘要： Disclosed is an annular resonator including a conductor formed on a surface of an annular shaped structure and having a first end and a second end opposite to the first end, and a capacitor having a first end and a second end opposite to the first end, wherein a radius of curvature of a first side facing a center portion of the annular shaped structure is smaller than a radius of curvature of a second side facing an outer periphery of the annular shaped structure, and wherein the first end and the second end of the conductor are electrically connected to the first end and the second end of the capacitor, respectively.
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公开(公告)号：US11869999B2
公开(公告)日：2024-01-09
申请号：US17262484
申请日：2019-07-19
发明人： Daehyun Kim , Youngjun Park , Jeongman Lee , Kyungwoo Lee , Chongmin Lee
IPC分类号： H01L31/055 , H01L31/054 , H02S10/20 , H02S40/30
CPC分类号： H01L31/055 , H01L31/0543 , H01L31/0547 , H01L31/0549 , H02S10/20 , H02S40/30
摘要： According to various embodiments, an electronic device comprises: a polymer including a plurality of quantum dots; at least one first solar cell disposed on a lower portion of the polymer; and at least one second solar cell disposed on a side portion of the polymer; and a battery configured to be charged with electrical energy from at least one of the first solar battery or the second solar battery, wherein: the first solar battery, in a first wavelength band, has a conversion efficiency greater than or equal to a threshold value; the second solar battery, in a second wavelength band different from the first wavelength band, has a conversion efficiency greater than or equal to the threshold value; and the wavelength of light that passes through the polymer may be within the first wavelength band, and the wavelength of light that is absorbed by at least some of the plurality of quantum dots and then remitted may be within the second wavelength bandwidth. Other various embodiments are possible.
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公开(公告)号：US11791535B2
公开(公告)日：2023-10-17
申请号：US17487426
申请日：2021-09-28
IPC分类号： H01Q1/22 , H01L23/498 , H01Q1/52 , H05K1/02
CPC分类号： H01Q1/2283 , H01Q1/52 , H05K1/0242
摘要： A radio frequency (RF) system including first and second planar RF devices coupled by non-galvanic interconnect. According to various embodiments, a first RF device and a second RF device are separated by a dielectric layer, each of the first and second RF devices including a plurality of pads disposed on surface and surrounded by a common electrode, the common electrode configured as a grounded metal shield, wherein pads of the first RF device and pads of the second RF device face each other to provide capacitive coupling between the pads. The disclosure may reduce complexity and size of the system, and offer more reliable and easily producible interconnection between elements of the RF system.
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公开(公告)号：US11626652B2
公开(公告)日：2023-04-11
申请号：US16706251
申请日：2019-12-06
摘要： Disclosed is a ridge guide waveguide including a conductive base, a conductive ridge protruding upward from the conductive base and extending along a predetermined wave transmission direction, an upper conductive wall located over the conductive base and the conductive ridge and spaced apart from the conductive ridge by a gap, and an electromagnetic bandgap structure arranged adjacent to the conductive ridge between the conductive base and the upper conductive wall.
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公开(公告)号：US11923692B2
公开(公告)日：2024-03-05
申请号：US17366994
申请日：2021-07-02
发明人： Chongmin Lee , Jaeseok Park , Hyoseok Han , Sangwook Lee , Seunghyun Lee
CPC分类号： H02J50/20 , H02J50/402 , H02J50/80 , H04B1/40
摘要： Provided are a wireless power transmission device and an operating method therefor, the device confirming an optimum phase adjustment degree for each antenna by applying a reference signal to at least one from among a plurality of patch antennas and sequentially applying a plurality of phase electric signals to each of the remaining antennas, when an RF wave is formed using electric signals from a plurality of power sources.
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7.发明授权公开(公告)号：US11894692B2
公开(公告)日：2024-02-06
申请号：US17267996
申请日：2019-08-14
发明人： Sangwook Lee , Chongmin Lee , Daehyun Kim , Jaeseok Park , Hyoseok Han , Seunghyun Lee
摘要： A wireless power receiving device, according to the disclosure, comprises: at least one power receiving antenna for sequentially receiving a plurality of different RF waves formed by a wireless power transmitting device; a communication circuit; and at least one processor, wherein the at least one processor is configured to confirm a plurality of pieces of strength information that indicates the strength of each of the plurality of different RF waves, confirm a plurality of pieces of phase information corresponding to each of the plurality of different RF waves, confirm, on the basis of the plurality of pieces of strength information and the plurality of pieces of phase information, an optimum phase value such that a received RF wave has a maximum strength, and transmit a communication signal including information about the optimum phase value to the wireless power transmitting device through the communication circuit. Additional various embodiments are possible.
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公开(公告)号：US11379025B2
公开(公告)日：2022-07-05
申请号：US16847176
申请日：2020-04-13
发明人： Chongmin Lee , Sungku Yeo , Jaeseok Park , Hyoseok Han , Jaesun Shin , Jeongman Lee
摘要： An electronic device includes a plurality of loads, at least one processor, a plurality of regulators configured to adjust a voltage of power received from a power source and output the adjusted power, and a switching circuit configured to connect at least one of the plurality of regulators to at least one of the plurality of loads. The at least one processor is configured to identify a load to which power is to be supplied among the plurality of loads, select at least one regulator among the plurality of regulators connectable to the identified load, and control the switching circuit to connect the at least one selected regulator to the identified load.
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公开(公告)号：US20200185802A1
公开(公告)日：2020-06-11
申请号：US16706251
申请日：2019-12-06
摘要： Disclosed is a ridge guide waveguide including a conductive base, a conductive ridge protruding upward from the conductive base and extending along a predetermined wave transmission direction, an upper conductive wall located over the conductive base and the conductive ridge and spaced apart from the conductive ridge by a gap, and an electromagnetic bandgap structure arranged adjacent to the conductive ridge between the conductive base and the upper conductive wall.
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10.发明授权公开(公告)号：US11862995B2
公开(公告)日：2024-01-02
申请号：US17448256
申请日：2021-09-21
发明人： Sungku Yeo , Jaeseok Park , Kangyoon Lee , Chongmin Lee , Imran Ali , Kwangtae Kim , Dongin Kim , Seongjin Oh , Solhee In
摘要： The present disclosure relates to an artificial intelligence (AI) system which simulates functions such as cognition, judgment, and the like of the human brain by utilizing machine learning algorithms such as deep learning and the like, and to an application thereof. According to various embodiments, an electronic device may comprise: a first impedance matching circuit configured to perform a first impedance matching on a power signal wirelessly received from a wireless power transmission device; a second impedance matching circuit configured to perform a second impedance matching on the first impedance-matched power signal using any one impedance value among a plurality of impedance values; a control circuit configured to perform control to change an impedance value of the second impedance matching circuit to an impedance value learned using an impedance matching network model, corresponding to a power and a frequency of the second impedance-matched power signal; and a power conversion circuit configured to convert a second impedance-matched power signal in an AC form into a power in a DC form for charging a battery according to the changed impedance value.
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