Abstract: An antenna apparatus includes a feed via, a patch antenna pattern which is electrically connected to a first end of the feed via, a plurality of first conductive array patterns, respectively disposed to be spaced apart from the patch antenna pattern and arranged to correspond to at least a portion of a side boundary of the patch antenna pattern, and a first conductive ring pattern spaced apart from the patch antenna pattern and the plurality of conductive array patterns and configured to surround the patch antenna pattern and the plurality of conductive array patterns.

Abstract: An antenna apparatus includes: a feed via; a patch antenna pattern electrically connected to one end of the feed via; a ground layer disposed in a position vertically lower than a position of the patch antenna pattern, and having a through-hole through which the feed via passes; a first conductive ring pattern laterally spaced apart from the patch antenna pattern, and having a first through region laterally surrounding the patch antenna pattern; and a second conductive ring pattern disposed in a position vertically higher than a position of the first conductive ring pattern, and having a second through region laterally surrounding the patch antenna pattern, wherein an area of the second through region is greater than an area of the first through region.

Abstract: An antenna apparatus includes patch antennas arranged in an N×1 array, first feed vias, second feed vias, third feed vias, and fourth feed vias connected to a point offset from a center of each of the patch antennas, in a first direction, second direction, third direction, and fourth direction, respectively a first RF signal of a first phase passes through the first feed vias and the second feed vias, a second RF signal of a second phase passes through the third feed vias and the fourth feed vias, and wherein a line between the point in the first direction and the point in the second direction is oblique to a direction of an array of the patch antennas, and a line between the point in the third direction and the point in the fourth direction is oblique to the direction of the array.

Abstract: An antenna apparatus includes a first substrate, and a conductor pattern disposed on a surface of the first substrate and forming magnetic flux in a normal direction with respect to the surface of the first substrate. The antenna apparatus also includes a second substrate spaced apart from the first substrate, and a member disposed on the second substrate. The antenna apparatus further includes a coil wound around the member, and a current feeder configured to provide a first current to the conductor pattern and a second current to the coil.

Abstract: A chip antenna includes a radiation portion having a block shape and a first surface and a second surface opposing each other, and configured to receive and radiate a feed signal as an electromagnetic wave; a first block made of a dielectric material and coupled to the first surface of the radiation portion; a second block made of a dielectric material and coupled to the second surface of the radiation portion; a ground portion having a block shape and coupled to the first block, and configured to reflect the electromagnetic wave radiated by the radiation portion back toward the radiation portion; and a director having a block shape and coupled to the second block, wherein an overall width of the ground portion, the first block, and the radiation portion is 2 mm or less, and the first block has a dielectric constant of 3.5 or more to 25 or less.

Abstract: An antenna apparatus includes a ground pattern having a through-hole; an antenna pattern disposed above the ground pattern and configured to either one or both of transmit and receive a radio-frequency (RF) signal; a feed via penetrating through the through-hole and having one end electrically connected to the antenna pattern; and a meta member comprising a plurality of cells repeatedly arranged and spaced apart from each other, each of the plurality of cells comprising a plurality of conductive patterns, and at least one conductive via electrically connecting the plurality of conductive patterns to each other, wherein the meta member is disposed along at least portions of side boundaries of the antenna pattern above the ground pattern, and extends above the antenna pattern.

Abstract: An antenna apparatus includes a ground layer, a wiring layer spaced apart from either a first surface or a second surface of the ground layer and including wiring lines, feed lines electrically connected to the wiring lines, a dipole antenna pattern to transmit and/or receive an RF signal, a plurality of feed vias to electrically connect poles of the dipole antenna pattern to the feed lines, and a ground pattern to electrically connect the poles of the dipole antenna pattern to the ground layer.

Abstract: An antenna apparatus includes: a feed line; a first ground layer including surface disposed above or below the feed line and spaced apart from the feed line; and an antenna pattern electrically connected to an end of the feed line and configured to transmit and/or receive a radio frequency (RF) signal, wherein the first ground layer includes a first protruding region protruding in a first longitudinal direction of the surface toward the antenna pattern and at least partially overlapping the feed line above or below the feed line, and second and third protruding regions protruding in the first longitudinal direction from positions spaced apart from the first protruding region in opposite lateral directions of the surface.

Abstract: An antenna module includes a connection member including at least one wiring layer and at least one insulating layer; an IC disposed on a first surface of the connection member and electrically connected to at least one wiring layer of the connection member; and an antenna package disposed on a second surface of the connection member and including first antenna members and feed vias, wherein the connection member includes a feed line having a first end electrically connected to a corresponding wire of at least one wiring layer of the connection member; a second antenna member electrically connected to a second end of the feed line and configured to transmit or receive a radio frequency (RF) signal; and a ground member spaced apart from the feed line in a direction toward the first surface or the second surface of the connection member.

Abstract: An antenna module includes a connection member, an integrated circuit (IC) on a first surface thereof, and an antenna package on a second surface thereof. The connection member includes a wiring layer and an insulating layer. The IC is electrically connected to the wiring layer. The antenna package includes first antenna members and feed vias each electrically connected to a corresponding one of the first antenna members and a corresponding wire of the wiring layer. A feed line is electrically connected to a wire of the wiring layer and extends in a side direction of the second surface, a second antenna member is electrically connected to the feed line and is configured to transmit and/or receive an RF signal in the side direction, and a director member is spaced apart from the second antenna member in the side direction and has an inside boundary oblique to the second antenna member.

Abstract: An antenna apparatus includes: a first ground layer; a second ground layer disposed on a surface of the first ground layer; an antenna pattern spaced apart from the first and second ground layers in a direction of the surface, and configured to transmit and/or receive a radio frequency (RF) signal; and a feed line electrically connected to the antenna pattern and extending from the antenna pattern toward the first ground layer in the direction of the surface, wherein the first ground layer includes a first region recessed, relative to the second ground layer, in the direction of the surface.

Abstract: A wireless power transmission module includes a coil portion having a spiral form and including a hollow portion; and a magnetic portion including a coil accommodation portion in which the coil portion is disposed, the coil accommodation portion being formed as a hollow space in an upper surface of the magnetic portion, and having a bowl form having a greatest width at the upper surface of the magnetic portion; and a magnetic field concentration portion protruding upwardly from a central portion of the coil accommodation portion through the hollow portion of the coil portion.

Abstract: A near-field antenna apparatus including an antenna element around which a coil is wound configured to create a magnetic field; and a conductive material member, disposed in a path of the magnetic field, configured to generate an eddy current from a magnetic flux in a predetermined region.

Abstract: A wireless communication antenna includes: a magnetic body including a plurality of bar-shaped unit ribbons arranged in columns, wherein the unit ribbons have shape anisotropy and a radiation direction on a side of the wireless communication antenna; and a solenoid coil including conductive patterns disposed around the magnetic body.

Abstract: An antenna apparatus includes an antenna structure and an integrated circuit (IC). The antenna structure includes a magnetic core extended in one direction, a conductive wire wound around the magnetic core to form a coil, and a magnetic material surrounding the conductive wire in a portion of the coil. The IC supplies an electrical current to the coil. In addition, a portion of magnetic flux generated by flow of the electrical current supplied to the coil exits from one end surface of the magnetic core and enters another end surface of the magnetic core opposite to the one end surface in the one direction. Another portion of the magnetic flux flows through the magnetic material surrounding the conductive wire.

Abstract: An antenna apparatus includes a first substrate, and a conductor pattern disposed on a surface of the first substrate and forming magnetic flux in a normal direction with respect to the surface of the first substrate. The antenna apparatus also includes a second substrate spaced apart from the first substrate, and a member disposed on the second substrate. The antenna apparatus further includes a coil wound around the member, and a current feeder configured to provide a first current to the conductor pattern and a second current to the coil.

Abstract: An antenna apparatus includes a plurality of antenna elements. The plurality of antenna elements may be spaced apart from one another, and a direction of current flowing in each of the antenna elements may be set to be oriented outwardly from substantially the center of the plurality of antenna elements in a length direction of each of the antenna elements or inwardly toward the center in the length direction of each of the plurality of antenna elements.

Abstract: A near-field antenna apparatus including an antenna element around which a coil is wound configured to create a magnetic field; and a conductive material member, disposed in a path of the magnetic field, configured to generate an eddy current from a magnetic flux in a predetermined region.

Abstract: Disclosed is a gate system arranged on two gate frames and detects a tag passing between the two gate frames, the gate system including at least two gate frames that are vertically arranged facing with each other; at least two antenna units that are arranged on the at least two gate frames, respectively; and a reader that is arranged on each of the at least two gate frames and enables the at least two antenna units to emit electromagnetic wave to an article passing between the at least two gate frames using a predetermined frequency signal, and obtains information stored in a tag using a signal that the at least two antenna units receives from the at least two antenna units.

Abstract: Disclosed herein is an RFID antenna, including, a dipole antenna pattern, and a matching pattern containing a pair of first pattern parts, each part being discretely and protrusively disposed at one side of the dipole antenna pattern and a second pattern part connecting each distal end of the pair of first pattern parts, wherein a ratio of an inner length of the pair of first pattern parts vs an inner length of the second pattern part is substantially larger than 1:8.