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公开(公告)号：US20150042274A1
公开(公告)日：2015-02-12
申请号：US14454932
申请日：2014-08-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dong Zo Kim , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Bong Chul Kim , Yun Kwon Park , Jae Hyun Park , Keum Su Song , Chi Hyung Ahn , Young Ho Ryu , Byoung Hee Lee
CPC classification number: H02M7/219 , H02J7/0042 , H02J7/0072 , H02J7/025 , H02J7/06 , H02J50/12 , H02J2007/0059 , H02M3/156 , H02M3/158 , H02M2001/007 , H02M2007/2195 , Y02B40/90 , Y02B70/1408
Abstract: An apparatus and a method for wireless power reception include converting a received wireless power to a wireless power for charging using a synchronous rectifier and a direct current/direct current (DC/DC) converter having a structure providing a high efficiency and low heat generation even when a high charging current is supplied.
Abstract translation: 一种用于无线电力接收的装置和方法包括：使用同步整流器将接收到的无线电力转换成用于充电的无线电力，以及具有提供高效率和低发热的结构的直流/直流（DC / DC）转换器 当提供高充电电流时。
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42.发明申请APPARATUS AND METHOD FOR SHIELDING LEAKAGE MAGNETIC FIELD IN WIRELESS POWER TRANSMISSION SYSTEM 有权无线电力传输系统中屏蔽漏磁场的装置及方法公开(公告)号：US20140042820A1
公开(公告)日：2014-02-13
申请号：US13957950
申请日：2013-08-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jae Hyun Park , Young Ho Ryu , Sang Wook Kwon , Ki Young Kim , Yun Kwon Park , Keum Su Song , Chi Hyung Ahn
IPC: H01F38/14
CPC classification number: H01F38/14 , B60L11/182 , B60L11/1846 , H01F27/346 , H01F27/38 , Y02T10/7072 , Y02T90/121 , Y02T90/122 , Y02T90/128 , Y02T90/14 , Y02T90/163 , Y02T90/169 , Y04S30/14
Abstract: A leakage magnetic field shielding apparatus includes a resonator configured to counterbalance a leakage magnetic field generated when a source resonator and a target resonator resonate at a resonant frequency of the source resonator and the target resonator.
Abstract translation: 泄漏磁场屏蔽装置包括：谐振器，被配置为当源谐振器和目标谐振器以源谐振器和目标谐振器的谐振频率共振时，平衡产生的漏磁场。
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公开(公告)号：US10277079B2
公开(公告)日：2019-04-30
申请号：US15054824
申请日：2016-02-26
Applicant: Samsung Electronics Co., Ltd.
Inventor： Nam Yun Kim , Young Tack Hong , Sang Wook Kwon , Yun Kwon Park , Ki Young Kim , Young Ho Ryu , Dong Zo Kim , Jin Sung Chol , Chang Wook Yoon
Abstract: An electronic device and method for transmitting and receiving a wireless power are provided. An electronic device for transmitting and receiving wireless power may include a resonator configured to operate, based on a plurality of operating modes of the electronic device including a power reception mode, a relay mode, and a power transmission mode, wherein: (i) in the power reception mode, the resonator is configured to receive power from a wireless power transmitter, (ii) in the relay mode, the resonator is configured to relay power received from the wireless power transmitter to a wireless power receiver, and (iii) in the power transmission mode, the resonator is configured to transmit power to the wireless power receiver; and a path controller configured to control at least one electrical pathway of electronic device based on the operating mode.
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公开(公告)号：US10205353B2
公开(公告)日：2019-02-12
申请号：US15708202
申请日：2017-09-19
Applicant: SAMSUNG ELECTRONICS CO., LTD. , IUCF-HYU(Industry-University Cooperation Foundation Hanyang University)
Inventor： Dong Zo Kim , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Young Jin Moon , Yun Kwon Park , Keum Su Song , Chi Hyung Ahn , Young Ho Ryu , Chang Sik Yoo , Chang Wook Yoon , Jin Sung Choi
Abstract: An apparatus and a method for charge control are provided. The apparatus for charge control may include an integrated direct current-to-direct current (DC/DC) converter configured to step up an output voltage level of a load to be greater than or equal to a supply voltage level set in a power amplifier, and the power amplifier configured to convert a direct current (DC) voltage stepped up by the integrated DC/DC converter into an alternating current (AC) voltage based on a resonant frequency, and to amplify the converted AC voltage. The apparatus for charge control may include a rectification unit configured to convert an AC power received wirelessly into a DC power; and a DC/DC converter configured to step down a voltage level of the DC power to a voltage level required by a load in the receiving mode.
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公开(公告)号：US10038476B2
公开(公告)日：2018-07-31
申请号：US14929811
申请日：2015-11-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nam Yun Kim , Sang Wook Kwon , Yun Kwon Park , Eun Seok Park , Young Tack Hong , Ki Young Kim , Young Ho Ryu , Dong Zo Kim , Jin Sung Choi , Chang Wook Yoon
CPC classification number: H04B5/0037 , H02M7/04 , H03F3/04 , H04B5/0031 , H04B5/0081
Abstract: An apparatus and method for communication using a wireless power are provided. The apparatus includes an amplifier configured to amplify an input signal based on a power supplied to the amplifier. The apparatus further includes a control unit configured to detect a change in an impedance of a target device, and to change the power based on the change in the impedance. The apparatus further includes a demodulation unit configured to receive a message from the target device, and to demodulate the message based on the changed power.
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Patent Agency Ranking
公开(公告)号：US09997959B2
公开(公告)日：2018-06-12
申请号：US13742992
申请日：2013-01-16
Applicant: Samsung Electronics Co., LTD.
Inventor： Ki Young Kim , Eun Seok Park , Young Ho Ryu , Sang Wook Kwon , Nam Yun Kim , Dong Zo Kim , Yun Kwon Park , Chang Wook Yoon , Jin Sung Choi , Young Tack Hong
Abstract: A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency.
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公开(公告)号：US09984814B2
公开(公告)日：2018-05-29
申请号：US13938671
申请日：2013-07-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Keum Su Song , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Dong Zo Kim , Yun Kwon Park , Eun Seok Park , Chi Hyung Ahn , Young Ho Ryu , Chang Wook Yoon , Jin Sung Choi
CPC classification number: H01F38/14 , H01F2021/125 , H02J5/005 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/90 , H02J2007/0096
Abstract: A wireless power transmitter includes a source resonator configured to wirelessly transmit power via magnetic coupling with a target resonator; and an impedance adjusting unit configured to adjust an impedance of the source resonator using a plurality of impedance-matching bars located in the source resonator.
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公开(公告)号：US09966799B2
公开(公告)日：2018-05-08
申请号：US14796102
申请日：2015-07-10
Applicant: Samsung Electronics Co., Ltd
Inventor： Dong Zo Kim , Sang Wook Kwon , Yun Kwon Park , Eun Seok Park , Young Tack Hong , Ki Young Kim , Young Ho Ryu , Nam Yun Kim , Jin Sung Choi , Chang Wook Yoon
IPC: H02J5/00 , H02J17/00 , H02J7/02 , H02J50/12 , H02J50/80 , H02J50/70 , H02J50/90 , H02H3/08 , H02H3/20 , H02H5/04
CPC classification number: H02J50/12 , H02H3/08 , H02H3/20 , H02H5/042 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/70 , H02J50/80 , H02J50/90
Abstract: An overvoltage protecting unit and an overcurrent protecting unit protect a power device from an overvoltage and an overcurrent using a comparator having hysteresis. An overtemperature protecting unit protects the power device from an overtemperature using a thermistor having a resistance that changes as a temperature of the thermistor changes.
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公开(公告)号：US09935496B2
公开(公告)日：2018-04-03
申请号：US13742992
申请日：2013-01-16
Applicant: Samsung Electronics Co., LTD.
Inventor： Ki Young Kim , Eun Seok Park , Young Ho Ryu , Sang Wook Kwon , Nam Yun Kim , Dong Zo Kim , Yun Kwon Park , Chang Wook Yoon , Jin Sung Choi , Young Tack Hong
Abstract: A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency.
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公开(公告)号：US09786817B2
公开(公告)日：2017-10-10
申请号：US15092695
申请日：2016-04-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sung Joon Kim , Young Ho Ryu , Min Wook Choi
CPC classification number: H01L33/382 , H01L33/06 , H01L33/145 , H01L33/32 , H01L33/42 , H01L33/44 , H01L2224/48091 , H01L2224/73265 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: A semiconductor light emitting device includes a semiconductor stack including a first conductive semiconductor layer including a first surface, a second conductive semiconductor layer including a second surface opposite to the first surface, an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and a through hole disposed through the semiconductor stack. The semiconductor light emitting device further includes a contact layer connected to the first conductive semiconductor layer, disposed in the through hole, and disposed through the semiconductor stack, a first electrode layer connected to the contact layer, and a second electrode layer disposed on the second surface, and including a pad forming portion on which the semiconductor stack is not disposed. The semiconductor light emitting device further includes an insulating layer disposed between the first electrode layer and the second electrode layer, and an electrode pad disposed on the pad forming portion.
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