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公开(公告)号：US20230333799A1
公开(公告)日：2023-10-19
申请号：US18341304
申请日：2023-06-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junhyeong PARK , Seogyong JEONG , Youngho RYU , Jinbong LEE , Byeongguk CHOI , Jungkyu HAN
IPC: G06F3/14
CPC classification number: G06F3/1446
Abstract: A display module may comprise: at least one first antenna configured to receive an image signal corresponding to the display module, from among a plurality of display modules configured to display an entire image, which displays at least a part of the entire image, a second antenna configured to receive a trigger signal corresponding to the image signal, a signal generation circuit configured to generate a plurality of control signals for controlling the image signal from the trigger signal received through the second antenna, and a display panel configured to display the image signal received from the first antenna on the basis of the plurality of generated control signals.
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2.发明申请公开(公告)号：US20230040473A1
公开(公告)日：2023-02-09
申请号：US17970216
申请日：2022-10-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Beomwoo GU , Jaeseok PARK , Jaehyun PARK , Jaesun SHIN , Jihyun YANG , Jeongman LEE , Seogyong JEONG , Hyoseok HAN
Abstract: An electronic device may include: a resonance circuit which comprises a battery, a coil and a capacitor, and receives power wirelessly; a rectifier which rectifies AC power, provided from the resonance circuit, to DC power; a DC/DC converter which converts and outputs the DC power provided from the rectifier; a charger which charges the battery by using the converted power provided from the DC/DC converter; a first OVP circuit which selectively connects the coil to the capacitor; a second OVP circuit which is connected in parallel to the first OVP circuit; a detection circuit which detects a rectified voltage; a control circuit; and a communication circuit, wherein the control circuit, on the basis that the detected rectified voltage is equal to or greater than a first threshold voltage, controls the first OVP circuit so as to be in an off state so that the coil is not connected to the capacitor, and on the basis that the detected rectified voltage is less than a second threshold voltage, controls the first OVP circuit so that the first OVP circuit is switched from the off state to an on state so that the coil is connected to the capacitor, wherein the second threshold voltage may be smaller than the first threshold voltage.
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公开(公告)号：US20210365082A1
公开(公告)日：2021-11-25
申请号：US17177542
申请日：2021-02-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seogyong JEONG , Junhyeong PARK , Jaehyuck SHIN , Youngho RYU , Byeongguk CHOI , Sungku YEO , Chongmin LEE
Abstract: A display panel module and an electronic device is provided, the display pane module including a plurality of display panel modules. According to the disclosure, an electronic device comprises: a housing, a cover glass, a plurality of display panels disposed adjacent to a rear surface of the cover glass in the housing, a plurality of first heat dissipation plates disposed adjacent to rear surfaces of the plurality of display panels in the housing, a plurality of power/data reception circuit boards disposed adjacent to rear surfaces of the plurality of first heat dissipation plates in the housing, a support configured to support at least a portion of the plurality of power/data reception circuit boards, and a power/data transmission circuit board having at least a portion contacting and supported by the support and spaced apart by a predetermined distance from the plurality of power/data reception circuit boards in a space provided by the support. The power/data transmission circuit board includes a plurality of first antennas corresponding to a plurality of second antennas included in each of the plurality of power/data reception circuit boards and a transmission resonator corresponding to a plurality of reception resonators included in each of the plurality of power/data reception circuit boards.
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公开(公告)号：US20200343720A1
公开(公告)日：2020-10-29
申请号：US16803336
申请日：2020-02-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Beomwoo GU , Jeongman LEE , Seogyong JEONG
Abstract: An electronic device includes a reception coil configured to wirelessly receive power based on an externally formed magnetic field, a rectifier configured to rectify power generated from the reception coil, an over-voltage protection circuit connected with the rectifier, and an output capacitor connected with the over-voltage protection circuit, wherein the over-voltage protection circuit includes a negative temperature coefficient thermistor (NTC) selectively connected in parallel with the rectifier and the output capacitor and a switch connecting the NTC to the rectifier and the output capacitor when a voltage at an output terminal of the rectifier exceeds a designated threshold, and disconnecting the NTC from the rectifier and the output capacitor when the voltage at the output terminal of the rectifier is less than or equal to the designated threshold.
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