Abstract: According to an aspect of the present invention, a wireless power transmitting apparatus of a wireless charging system includes a substrate, a first bonding layer formed on the substrate, a soft magnetic layer formed on the first bonding layer, a second bonding layer formed on the soft magnetic layer and a transmitting coil formed on the second bonding layer, wherein at least one of the first bonding layer and the second bonding layer includes a magnetic substance.

Abstract: The present invention relates to a multi-coil wireless charging method and a device and a system therefor, a wireless power transmitter for wirelessly transmitting power to a wireless power receiver, according to one embodiment of the present invention, comprising: a power transmission unit which comprises at least two or more transmission coils; a control unit which controls so that a primary detection signal for detecting the existence of a wireless power receiver is simultaneously transmitted by using frequencies that are different from each other that were allocated to each of the transmission coils in advance; and a demodulation unit which, if a first signal strength indicator associated with the primary detection signal is received from the wireless power receiver, transmits, to the control unit, the received first signal strength indicator and a preset transmission coil identifier for identifying the transmission coil through which the first signal strength indicator was received, wherein the control u

Abstract: A wireless power transmitting apparatus can include a substrate; a first transmitting coil and a second transmitting coil disposed on the substrate; a third transmitting coil disposed on the first transmitting coil and the second transmitting coil; and an adhesive disposed between the substrate and the first and the second transmitting coils, in which the substrate includes a first portion disposed inside an inner circumference of the first transmitting coil; a second portion disposed inside an inner circumference of the second transmitting coil; a third portion disposed between the first transmitting coil and the second transmitting coil; and a peripheral portion disposed outside an outer circumference of the first transmitting coil and an outer circumference of the second transmitting coil, in which an inner area disposed inside an inner circumference of the third transmitting coil overlaps the third portion, a part of the first transmitting coil and a part of the second transmitting coil in a vertical dire

Abstract: Embodiments provide a magnetic shield for wireless power chargers and a method of manufacturing the same. The method includes forming flake powder having flake-type particles, forming an oxide film by performing oxygen heat treatment on the surface of the flake powder, performing insulation treatment on the surface of the flake powder provided with the oxide film formed thereon, and producing a sendust block by mixing and melting the insulation-treated flake powder and insulative resin powder. Therefore, a magnetic shield having high insulation characteristics and magnetic permeability may be provided.

Abstract: The present invention relates to a method and an apparatus capable of recognizing a wireless power reception apparatus. A wireless power transmission control method according to one embodiment of the present invention comprises: a search step for searching for a device through an identifier received using wireless communication; a selection step for selecting an identifier to be used to transmit wireless power among identifiers of the devices obtained by the search; and a control step for determining whether to activate a wireless power transmitter, according to a charging activation indicator configured to correspond to the selected identifier, wherein the identifier of the device may be selected on the basis of pre-collected wireless charging history information or through a user interface.

Abstract: A wireless power transmitter according to an embodiment comprises: a power conversion unit for converting the strength of supplied power and outputs the same as a power signal; a transmission control unit for inspecting whether a wireless power receiver proceeds with charging in a no-load state without completing the charging, and according to the result of inspection, temporarily stopping the supply of the power signal to the wireless power receiver and resuming the supply; and a transmission coil end which has at least one transmission coil for transmitting the power signal to the wireless power receiver.

Abstract: The present invention relates to a multi-coil wireless charging method and a device and a system therefor, a wireless power transmitter for wirelessly transmitting power to a wireless power receiver, according to one embodiment of the present invention, comprising: a power transmission unit which comprises at least two or more transmission coils; a control unit which controls so that a primary detection signal for detecting the existence of a wireless power receiver is simultaneously transmitted by using frequencies that are different from each other that were allocated to each of the transmission coils in advance; and a demodulation unit which, if a first signal strength indicator associated with the primary detection signal is received from the wireless power receiver, transmits, to the control unit, the received first signal strength indicator and a preset transmission coil identifier for identifying the transmission coil through which the first signal strength indicator was received, wherein the control u

Abstract: The present invention relates to a multi-coil wireless charging method and a device and a system therefor, a wireless power transmitter for wirelessly transmitting power to a wireless power receiver, according to one embodiment of the present invention, comprising: a power transmission unit which comprises at least two or more transmission coils; a control unit which controls so that a predetermined first detection signal for detecting the existence of a wireless power receiver is transmitted through the transmission coils in a predetermined order; and a modulation/demodulation unit which, if a predetermined first signal strength indicator associated with the first detection signal is received from the wireless power receive, transmits the received first signal strength indicator to the control unit, wherein the control unit may control so that a second detection signal is transmitted through the transmission coils through which the first signal strength indicator was received.

Abstract: The present invention relates to a multi-coil wireless charging method, and an apparatus and a system therefor, and a wireless power transmission system having a plurality of transmission coils, according to one embodiment of the present invention, comprises: first to n-th sub-wireless power transmitters respectively having a plurality of transmission coils and transmitting a first sensing signal; and a main control unit for identifying the sub-wireless power transmitter for transmitting a second sensing signal on the basis of whether a first signal strength indicator corresponding to the first sensing signal is received. Therefore, the present invention has an advantage of providing a multi-coil wireless charging method capable of more rapidly and correctly sensing a wireless power receiver.

Abstract: An apparatus for mounting a portable terminal is provided and may include a plurality of fixators configured to move in diagonal directions of one surface of the portable terminal and fix corners of the portable terminal. A controller is configured to detect the portable terminal and execute the movement of the fixators so that the fixators closely adhere to the corners of the portable terminal.

Abstract: A wireless charging system for a variable charging mode includes: an information receiver configured to receive information about a wireless power receiver including a wireless charging mode that is supported by the wireless power receiver through a wireless communication connected to the wireless power receiver; wireless power transmitting units configured to wirelessly transmit power by a plurality of different wireless charging modes; and a controller configured to control the wireless power transmitting units to wireless transmit power by the wireless charging mode corresponding to the received information.

Abstract: According to an aspect of the present invention, a wireless power transmitting apparatus of a wireless charging system includes a substrate, a first bonding layer formed on the substrate, a soft magnetic layer formed on the first bonding layer, a second bonding layer formed on the soft magnetic layer and a transmitting coil formed on the second bonding layer, wherein at least one of the first bonding layer and the second bonding layer includes a magnetic substance.

Abstract: Embodiments provide a magnetic shield for wireless power chargers and a method of manufacturing the same. The method includes forming flake powder having flake-type particles, forming an oxide film by performing oxygen heat treatment on the surface of the flake powder, performing insulation treatment on the surface of the flake powder provided with the oxide film formed thereon, and producing a sendust block by mixing and melting the insulation-treated flake powder and insulative resin powder. Therefore, a magnetic shield having high insulation characteristics and magnetic permeability may be provided.

Abstract: The embodiment relates to a case apparatus including a mounting member, which includes a first mounting member and a second mounting member surrounding the first mounting member; a first antenna device mounted on a top surface of the first mounting member; and a second antenna device mounted on a bottom surface of the second mounting member. Thus, even when the case apparatus is mounted on a mobile communication terminal, short range communication may be smoothly performed between the mobile communication terminal and an external device.

Abstract: A wireless charge system includes a wireless charger configured to wirelessly transfer power to an apparatus including a battery in order to charge the battery; a fixing unit configured to fix the apparatus so that the apparatus cannot be moved separately from the wireless charger while wirelessly receiving the power from the wireless charger; and a display configured to provide an indication of a charged state of the battery, wherein the wireless charger, the fixing unit, and the display are formed in a door pocket included in a door of a vehicle.

Abstract: An apparatus for mounting a portable terminal is provided and may include a plurality of fixators configured to move in diagonal directions of one surface of the portable terminal and fix corners of the portable terminal. A controller is configured to detect the portable terminal and execute the movement of the fixators so that the fixators closely adhere to the corners of the portable terminal.

Abstract: A wireless charging system for a variable charging mode includes: an information receiver configured to receive information about a wireless power receiver including a wireless charging mode that is supported by the wireless power receiver through a wireless communication connected to the wireless power receiver; wireless power transmitting units configured to wirelessly transmit power by a plurality of different wireless charging modes; and a controller configured to control the wireless power transmitting units to wireless transmit power by the wireless charging mode corresponding to the received information.

Abstract: A wireless charge system includes a wireless charger configured to wirelessly transfer power to an apparatus including a battery in order to charge the battery; a fixing unit configured to fix the apparatus so that the apparatus cannot be moved separately from the wireless charger while wirelessly receiving the power from the wireless charger; and a display configured to provide an indication of a charged state of the battery, wherein the wireless charger, the fixing unit, and the display are formed in a door pocket included in a door of a vehicle.

Abstract: The embodiment relates to a case apparatus including a mounting member, which includes a first mounting member and a second mounting member surrounding the first mounting member; a first antenna device mounted on a top surface of the first mounting member; and a second antenna device mounted on a bottom surface of the second mounting member. Thus, even when the case apparatus is mounted on a mobile communication terminal, short range communication may be smoothly performed between the mobile communication terminal and an external device.

Abstract: A polarizer is provided comprising: a transparent substrate, on a main surface of which a plurality of grooves in parallel with each other are provided at an interval; a birefringence crystal layer with a single orientation formed on the main surface of the transparent substrate where the grooves are provided, wherein the birefringence crystal layer is at least filled in the grooves so that linearly polarized light incident on a location corresponding to the grooves and passing through the polarizer is converted into first polarized light, and linearly polarized light incident on a location between the grooves and passing through the polarizer is converted into second polarized light, the polarization directions of the first and the second polarized light are different from each other.