Abstract: The present embodiment relates to a coil device. The coil device according to the present embodiment includes: first to third coils including a connecting portion; and a coil frame including an upper receiving portion for housing the first coil, a lower receiving portion for housing the second and third coils, and a cable fixing portion for fixing each connecting portion of the first to third coils.

Abstract: The present embodiment relates to a coil device and a wireless charging device including the same. The coil device according to the present embodiment includes: a coil wound to form a hollow portion; and a shielding housing including a flat part on which the coil is disposed, an inner wall corresponding to a shape of the hollow portion, and an outer wall corresponding to an outer circumferential shape of the coil. The inner wall protruding from the flat part on which the coil is disposed may have a height of 0 to 1.5 times a height of the coil. An inductance of the coil may have a range of 9.2 ?H to 12.26 ?H.

Abstract: A wireless power transmitter includes a shield; a first coil having a first hollow portion in a center area thereof; a second coil disposed below the first coil and having a second hollow portion in a center area thereof; and a third coil disposed below the first coil and having a third hollow portion in a center area thereof. Further, the first coil overlaps a portion of the second coil and a portion of the third coil, and the shield includes a first functional hole in a region corresponding to the first hollow portion; a second functional hole in a region corresponding to the second hollow portion; and a third functional hole in a region corresponding to the third hollow portion.

Abstract: The present embodiment relates to a coil device and a wireless charging device including the same. The coil device according to the present embodiment includes: a coil wound to form a hollow portion; and a shielding housing including a flat part on which the coil is disposed, an inner wall corresponding to a shape of the hollow portion, and an outer wall corresponding to an outer circumferential shape of the coil. The inner wall protruding from the flat part on which the coil is disposed may have a height of 0 to 1.5 times a height of the coil. An inductance of the coil may have a range of 9.2 ?H to 12.26 ?H.

Abstract: A wireless power receiver can include a magnetic substrate and a coil configured to wirelessly receive power. The coil can be formed as a conductive layer on the magnetic substrate. A connecting unit can be disposed in a receiving space of the magnetic substrate and can be connected to the coil unit.

Abstract: A wireless power transmission coil module includes a first coil and a second coil; a third coil on the first coil and the second coil; and a coil frame receiving the first coil, the second coil and the third coil. In addition, a first surface of the coil frame comprises a first receptacle for receiving the first coil and a second receptacle for receiving the second coil, a second surface of the coil frame opposite to the first surface of the coil frame comprises a third receptacle for receiving the third coil, and the first receptacle does not overlap the second receptacle in a first direction perpendicular to the first surface of the coil frame.

Abstract: A wireless antenna can include a wireless communication antenna including a first wireless communication coil, and a second wireless communication coil; and a wireless charging antenna including a wireless charging coil, in which the wireless charging coil is disposed inside the first wireless communication coil, the second wireless communication coil is disposed inside the wireless charging coil, the wireless communication antenna further includes a coil connection member traversing the wireless charging coil to interconnect the first wireless communication coil and the second wireless communication coil, and a width of a winding of the second wireless communication coil is less than a width of a winding of the first communication coil.

Abstract: Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.

Abstract: The present embodiment relates to a coil device. The coil device according to the present embodiment includes: first to third coils including a connecting portion; and a coil frame including an upper receiving portion for housing the first coil, a lower receiving portion for housing the second and third coils, and a cable fixing portion for fixing each connecting portion of the first to third coils.

Abstract: A wireless antenna can include a wireless communication antenna including a first wireless communication coil, and a second wireless communication coil; and a wireless charging antenna including a wireless charging coil, in which the wireless charging coil is disposed inside the first wireless communication coil, the second wireless communication coil is disposed inside the wireless charging coil, the wireless communication antenna further includes a coil connection member traversing the wireless charging coil to interconnect the first wireless communication coil and the second wireless communication coil, and a width of a winding of the second wireless communication coil is less than a width of a winding of the first communication coil.

Abstract: There are provided a coil device, a method for manufacturing the coil, and a wireless power transfer system-charger or a wireless power transfer system-device, which includes the coil device. A coil device includes: a substrate including first and second terminals; and a first coil disposed on one surface of the substrate, the first coil being disposed while turning at least once, wherein the first coil includes a plurality of wires self-bonded to be stacked on the substrate, wherein one sides of the plurality of wires are commonly connected to the first terminal, and the other sides of the plurality of wires are commonly connected to the second terminal.

Abstract: The present invention relates to a wireless charging device. A wireless charging device, according to one embodiment of the present invention, comprises: a coil assembly; a first substrate disposed on the coil assembly; an electromagnetic interference (EMI) filter disposed on a first surface of the first substrate; and a wireless communications antenna disposed on a second surface of the first substrate, wherein the coil assembly includes a plurality of coils, and the EMI filter can include a plurality of different pattern regions corresponding to the plurality of coils. Therefore, the wireless charging device having the EMI filter can be provided.

Abstract: The present invention relates to a multi-mode antenna and a wireless power reception device having the same mounted thereon.

Abstract: A wireless antenna includes a wireless communication antenna including a first wireless communication coil and a second wireless communication coil; and a wireless charging antenna comprising a wireless charging coil. Further, the wireless charging coil is disposed inside the first wireless communication coil, and the second wireless communication coil is disposed inside the wireless charging coil.

Abstract: A wireless antenna including a wireless communication antenna including a first wireless communication coil and a second wireless communication coil; and a wireless charging antenna including a wireless charging coil. In addition, the wireless charging coil is disposed inside the first wireless communication coil, and the second wireless communication coil is disposed inside the wireless charging coil; the wireless communication antenna further includes a coil connection member traversing the wireless charging coil so as to interconnect the first wireless communication coil and the second wireless communication coil; and a number of windings of the second wireless communication coil is less than a number of windings of the first wireless communication coil.

Abstract: A wireless power transmitter includes a shield; a first coil having a first hollow portion in a center area thereof; a second coil disposed below the first coil and having a second hollow portion in a center area thereof; and a third coil disposed below the first coil and having a third hollow portion in a center area thereof. Further, the first coil overlaps a portion of the second coil and a portion of the third coil, and the shield includes a first functional hole in a region corresponding to the first hollow portion; a second functional hole in a region corresponding to the second hollow portion; and a third functional hole in a region corresponding to the third hollow portion.

Abstract: The present invention relates to a wireless power transmitter and receiver and a method for producing same. The wireless power transmitter according to an embodiment of the present invention may comprise: a plurality of coils for transmitting alternating current power; a plurality of resonance circuits corresponding to the plurality of coils; a drive circuit connected to the plurality of resonance circuits; a plurality of switches for connecting the plurality of resonance circuits with the drive circuit; and a shielding material integrated with one or more coils of the plurality of coils.

Abstract: The present invention relates to a coil block for wireless charging, a wireless charging device equipped with the corresponding coil block, and a method for manufacturing the same. A method for manufacturing a coil block for wireless charging according to an embodiment of the present invention may comprise the steps of: configuring a shielding block comprising two lead holes to be penetrated by two lead wires configured on a pattern coil; arranging the pattern coil on a surface of the shielding block by causing respective lead wires to penetrate the corresponding lead holes; and attaching an adhesive member to another surface of the shielding block. Therefore, the present invention can advantageously provide a coil block that can be manufactured at a low cost and has excellent durability, and a wireless charging device equipped with the corresponding coil block.

Abstract: The invention relates to a wireless power transmitter and a wireless power receiver. A wireless power transmitter for wirelessly transmitting power to a wireless power receiver comprises a control circuit configured to control the wireless power transmitter, at least one transmission coil configured to transmit the power to the wireless power receiver, and a shielding member disposed between the transmission coil and the control circuit. The shielding member is a sheet in which a heat release sheet and a shielding sheet are combined.

Abstract: The present invention relates to a method and an apparatus for controlling a wireless power receiver including a near field communication (NFC) antenna. A method for controlling a wireless power receiver including a near field communication antenna and a wireless power antenna according to one embodiment of the present invention comprises the steps of: sensing, by an NFC protection module, power generated from the near field communication antenna; blocking, by the NFC protection module, the power applied to an NFC control module when the magnitude of the power satisfies the blocking condition; and applying the blocked power to a wireless power control module, or discharging the blocked power, by the NFC protection module.