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公开(公告)号：US20240291294A1
公开(公告)日：2024-08-29
申请号：US18659447
申请日：2024-05-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Shinho KANG , Moonyoung KIM , Jeongwoo KIM , Jeongil KANG , Sungyong JOO
CPC classification number: H02J7/0025 , H01M10/425 , H02J7/00036 , H02J7/0049 , H02J7/005 , H02J7/00714 , H01M2010/4271 , H01M2010/4278
Abstract: A battery system includes: a charging circuit comprising a bidirectional charger and a main processor; and a plurality of battery packs, wherein each of the plurality of battery packs comprises a battery cell and a battery processor, wherein the main processor is configured to transmit, by using the bidirectional charger, to the battery processor of each of the plurality of battery packs, a charging signal to charge the battery cell of each of the plurality of battery packs, wherein the battery processor is configured to: based on receiving the charging signal, sequentially perform constant current (CC) charging of each of the plurality of battery packs according to a predefined order, and based on the CC charging of the plurality of battery packs being completed, simultaneously perform constant voltage (CV) charging of each of the plurality of battery packs.
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公开(公告)号：US20240048055A1
公开(公告)日：2024-02-08
申请号：US18200890
申请日：2023-05-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhee JANG , Sanghoon LEE , Jeongil KANG , Wonmyung WOO
CPC classification number: H02M3/33523 , H02M1/4208 , H02M1/0022 , H02M1/0012
Abstract: An electronic device comprises a power supply device to generate a driving voltage and a standby voltage and a main body operated based on the driving voltage and the standby voltage received from the power supply device. The power supply device includes at least one converter to output at least one of the driving voltage and the standby voltage from an output end, a first capacitor connected to the at least one converter to store the driving voltage, a second capacitor connected to the at least one converter to store the standby voltage, and a discharge circuitry electrically connected with the first capacitor to discharge the driving voltage stored in the first capacitor.
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公开(公告)号：US20230163680A1
公开(公告)日：2023-05-25
申请号：US18094769
申请日：2023-01-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhee JANG , Wonmyung WOO , Jeongil KANG , Sanghoon LEE
CPC classification number: H02M1/4266 , H02M7/06
Abstract: The electronic apparatus including a power factor correction (PFC) circuit and a control circuit configured to control an operation of the PFC circuit is provided. The PFC circuit includes a first inductor part connected to one end of an AC voltage part and a first switch connected to a first inductor in series; a second inductor part connected to another end of the AC voltage part and a second switch connected to a second inductor in series; an output part connected to the first inductor part and the second inductor part; and a switching part, and the control circuit identically applies a switch on/off signal to the first switch and the second switch, and selectively applies a switch on/off signal to the third switch or the fourth switch based on a magnitude of an input voltage input through the AC voltage part.
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公开(公告)号：US20230137522A1
公开(公告)日：2023-05-04
申请号：US17897369
申请日：2022-08-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Moonyoung KIM , Jeongil KANG , Keonwoo KIM
IPC: G06F1/3212 , H02J50/12 , H02J50/00 , H02J7/00
Abstract: A display system configured to quickly restore a screen display without re-starting, even though the power supply from the outside is temporarily interrupted. The display system includes a display to display a screen based on image information to be displayed, and a power supply configured to support the display module and supply power to the display module in a wireless manner. The display is configured to, when the display is spaced apart from the power supply by a predetermined distance or more, selectively operate in one of a power saving mode for lowering luminance of at least a portion of the screen and an ultra-power saving mode for turning OFF at least a portion of the screen while maintaining a turned-on state of the display.
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公开(公告)号：US20230006475A1
公开(公告)日：2023-01-05
申请号：US17900277
申请日：2022-08-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungyong JOO , Jeongil KANG , Sungbum JUNG
Abstract: A wireless power transmission apparatus is disclosed. The wireless power transmission apparatus comprises: a first plate having a first polarity, a second plate spaced apart from the first plate and having a second polarity different from the first polarity, at least one wireless power transmission module disposed between the first plate and the second plate and connected to one side of the first plate and one side of the second plate, and a processor configured to control the wireless power transmission module, wherein the processor is configured to move the wireless power transmission module to a location corresponding to one area between the first plate and the second plate based on a wireless power receipt apparatus being identified in one area of another side of the second plate.
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Patent Agency Ranking
公开(公告)号：US20220385172A1
公开(公告)日：2022-12-01
申请号：US17885051
申请日：2022-08-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Moonyoung KIM , Jeongil KANG
Abstract: A display device includes a diode bridge configured to rectify input power; a power factor correction (PFC) circuit configured to control a power factor of the input power rectified by the diode bridge; a direct current (DC)/DC converter configured to change voltage of the input power received through the PFC circuit; and a PFC controller connected to the diode bridge and configured to selectively turn on or off the PFC circuit based on terminal voltages of lower diodes included in the diode bridge.
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公开(公告)号：US20210329760A1
公开(公告)日：2021-10-21
申请号：US17274349
申请日：2019-08-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Moonyoung KIM , Jeongil KANG , Shinwook CHOI
IPC: H05B45/325 , H05B45/3725 , H05B45/14
Abstract: Disclosed is an LED driving apparatus. The LED driving apparatus comprises an LED driving circuit, a power supply unit for supplying a driving voltage to the LED driving circuit, a voltage ripple controller located between the LED driving circuit and the power supply unit, and a switching unit for controlling a voltage supplied to the LED driving circuit by turning on or off the voltage ripple controller according to a duty ratio of a pulse width modulation (PWM) dimming signal.
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公开(公告)号：US20210305844A1
公开(公告)日：2021-09-30
申请号：US17259351
申请日：2019-07-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Shinwook CHOI , Jeongil KANG , Moonyoung KIM
Abstract: A wireless power reception device is disclosed. The wireless power reception device comprises: a reception coil which receives power from a wireless power transmission device; a rectifier which rectifies the received power; an output terminal which outputs the rectified power to an external electronic device; a first switch which is provided between the rectifier and the output terminal; and a controller which identifies the intensity of the rectified power, turns on the first switch so as for the received power to be supplied to the output terminal if the intensity of the rectified power falls within a preset range, and turns off the first switch so as to block the supply of the rectified power to the output terminal if the intensity of the rectified power does not fall within the preset range.
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公开(公告)号：US20200336022A1
公开(公告)日：2020-10-22
申请号：US16834119
申请日：2020-03-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Youngho CHOI , Jeongil KANG
Abstract: A wireless power transmitting device is disclosed. The wireless power transmitting device includes a first communicator comprising communication circuitry configured to communicate with a wireless power receiving device, a wireless power transmitter configured to supply wireless power to the wireless power receiving device, and a first controller configured to control the wireless power transmitter to supply initiating power for obtaining wireless power efficiency to the wireless power receiving device and to control the wireless power transmitter to supply driving power for driving an electronic device including the wireless power receiving device to the wireless power receiving device based on the wireless power efficiency being a predetermined value or greater based on information received from the wireless power receiving device through the first communicator.
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公开(公告)号：US20200021183A1
公开(公告)日：2020-01-16
申请号：US16456263
申请日：2019-06-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Shinwook CHOI , Jeongil KANG , Moonyoung KIM
Abstract: Disclosed is an electronic apparatus including a connector configured to connect the electronic device to an external apparatus; and a power circuit configured to supply power to the connected external apparatus, the power circuit including: a transformer configured to output an output voltage by varying a level of an input voltage; a switching unit comprising a switch configured to perform switching operation for the transformer; a controller configured to control the switching unit to match a level of the output voltage with the external apparatus; and an auxiliary power circuit including an auxiliary winding, and configured to supply power to the controller based on a voltage induced in the auxiliary winding by the output voltage and to decrease the number of turns of the auxiliary winding based on the output voltage having a level greater than or equal to a predetermined value.
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