A UHF band RFID system according to the present invention includes a reader antenna that is composed of a matched-terminated open-type transmission line and is connected to a UHF band RFID reader, a first-type RFID tag installed, without being fixed to a managed object, in a managed object placement area in which the managed object is placed, and a second-type RFID tag that is fixed to the managed object and includes tag information for identifying the managed object. When the managed object is placed in the managed object placement area, the managed object is placed in a position where the reader antenna and an antenna of the first-type RFID tag are electric field coupled, and is also placed in a position where the reader antenna and an antenna of the second-type RFID tag are magnetic field coupled.

A wireless power transmission module is provided. According to an exemplary embodiment of the present disclosure, a wireless power transmission module includes an antenna unit, a magnetic field shielding sheet, and a planar heat radiating plate. The antenna unit includes at least one wireless power transfer antenna. The magnetic field shielding sheet shields a magnetic field generated by the antenna unit to suppress external leakage of the magnetic field and concentrate the magnetic field in a desired direction. The planar heat radiating plate which is disposed on one surface of the magnetic field shielding sheet to release heat generated by the antenna unit. The wireless power transmission module is equipped or embedded in a vehicle to be used to charge a main battery of a portable terminal.

An electronic device includes a back cover, a display, a middle frame sandwiched between the display and the back cover, and a near field communications (NFC) antenna incorporated within the middle frame. An electronic board is positioned within the middle frame, and includes an NFC controller and a matching network coupled to the NFC controller. The matching network is configured to match impedances between the NFC antenna and the NFC controller.

A foldable display device and a method for manufacturing same are provided, which belong to the field of display technologies. The foldable display device includes a first planar display region (11), a bendable display region (12), and a second planar display region (13) that are sequentially connected in a first direction. The foldable display device includes an NFC antenna module (10) and a support plate (20), a support back film (130), a display panel (30), and a flexible cover plate (140) that are laminated. The NFC antenna module (10) is partially overlapped with at least one planar display region of the first planar display region (11) and the second planar display region (13). When the NFC antenna module (10) is at least partially not overlapped with the bendable display region (12), the NFC antenna module (10) is disposed between the support plate (20) and the support back film (130).

A foldable display device and a method for manufacturing same are provided, which belong to the field of display technologies. The foldable display device includes a first planar display region (11), a bendable display region (12), and a second planar display region (13) that are sequentially connected in a first direction. The foldable display device includes an NFC antenna module (10) and a support plate (20), a support back film (130), a display panel (30), and a flexible cover plate (140) that are laminated. The NFC antenna module (10) is partially overlapped with at least one planar display region of the first planar display region (11) and the second planar display region (13). When the NFC antenna module (10) is at least partially not overlapped with the bendable display region (12), the NFC antenna module (10) is disposed between the support plate (20) and the support back film (130).

A multifunctional integrated module is provided. The multifunctional integrated module includes an antenna unit including heterogeneous antennas and a magnetic field shielding unit, disposed on one surface of the antenna unit, including a magnetic field shielding layer which includes shredded Fe-based alloy fragments and a dielectric filling at least a part of gaps between at least a part of some adjacent ones of the shredded Fe-based alloy fragments, to improve the characteristics of the antennas and condense a magnetic flux toward the antennas. According to this, although the functions are performed simultaneously, the respective functions are excellently expressed at the same time, and the durability can be ensured by preventing the deterioration of the function even with external physical shocks during use.

A terminal includes: a metal housing; a frame surrounds the metal housing; and a metal antenna radiator arranged between the metal housing and the frame, surrounding the metal housing, and having a first end coupled with a feed source through a matching circuit and a second end grounded.

Herein disclosed is a surface-mounted NFC antenna, having a small size and good performance, comprising a magnetic core, a first dielectric layer, a first coil and a second coil. The first coil is wound on the outer surface of the magnetic core. One side of the first dielectric layer, away from the magnetic core, is the first surface. The second coil is disposed on the first surface. The tail end of the first coil is electrically connected with the head end of the second coil. In the NFC antenna, the second coil is disposed on the dielectric layer to separate the first coil from the second coil, thereby preventing the magnetic field generated by the first coil from weakening the magnetic field generated by the second coil, so the magnetic field generated by the second coil is relatively larger.

An electromagnetic-coupling dual IC card includes an IC module and a plate-like card body. The IC module includes a module substrate having a first surface and a second surface, contact terminals provided on the first surface of the module substrate to be contactable with an external contact-type device, an IC chip having a contact communication function and a contactless communication function and disposed on the second surface, and a first connecting coil provided on the first surface. The plate-like card body includes an antenna sheet embedded therein and has a recess for holding the IC module, the antenna sheet being provided with a coupling coil to be electromagnetically coupled to the first connecting coil, and a main coil connected to the coupling coil to perform contactless communication with an external contactless-type device. The first connecting coil does not overlap with the contact terminals in plan view.

A small antenna device having good communications performance and a wide communications area even when a metal plate is present in the antenna communications direction, even when the antenna is arranged, for example, inside a box-shaped metal case, and even when a through hole is used that has a smaller area than the antenna. This device comprises: the antenna; a rear surface cover overlapping with the antenna and being a conductor that faces the winding of the antenna; two first insulating areas provided in the rear surface cover and extending in a direction that intersects the winding axis of the antenna; and a second insulating area that connects between the first insulating areas. At least part of the area sandwiched by the first insulating areas faces the antenna.