An antenna device and an electronic device are provided. The antenna apparatus includes a dielectric substrate, a grounding metal layer, a radiation patch, a first feeding structure, a first deflection patch, and a radio frequency chip. The grounding metal layer, the dielectric substrate, and the radiation patch are stacked. The first feeding structure has a first end connected to the radiation patch, and a second end electrically connected to the radio frequency chip. The radio frequency chip is configured to feed a first excitation signal to the first feeding structure to excite the radiation patch to radiate beam. The first deflection patch is fixed on a side of dielectric substrate away from the grounding metal layer, the first deflection patch is located at a side of the radiation patch, and is configured to be in an amorphous state or in a crystalline state when the antenna device works.

An antenna system for vehicles includes a first antenna attached in a vicinity of a windshield of a vehicle; and a second antenna attached in a vicinity of a rear glass of the vehicle, wherein the first antenna and the second antenna are configured to transmit and receive an electromagnetic wave in a predetermined frequency band F, and wherein defining a region A and a region B with respect to a vehicle center axis extending in a traveling direction of the vehicle, so as to bisect a vehicle width of the vehicle from a viewpoint in a direction normal to a horizontal plane, the first antenna is arranged in the region A, and the second antenna is arranged in the region B.

An antenna device includes a ground electrode, a feed element, and a parasitic element. The ground electrode has a substantially non-square rectangular plane shape that includes a first side extending in a first direction and a second side extending in a second direction orthogonal to the first direction. The feed element has a substantially rectangular plane shape and is formed in such a way that each side of the feed element becomes parallel to the first direction or the second direction. The parasitic element is formed in such a manner as to face a side of the feed element parallel to the first side. The feed element is configured to radiate a first polarized wave that excites in the first direction and a second polarized wave that excites in the second direction. The length of the first side is longer than the length of the second side.

A display device includes a base layer, a display layer on the base layer and defined with a plurality of light emitting areas and a surrounding area, a sensing layer on the display layer, and an antenna layer on the display layer and including a plurality of antennas, wherein each of the plurality of antennas includes a first pattern configured to receive a signal, and a second pattern on the same layer as the first pattern, the second pattern being separated from the first pattern and grounded, and each of the first pattern and the second pattern has a mesh structure and overlaps the surrounding area.

A dual-band cross-polarized antenna includes first and second metal layers defining respective first and second driven patches configured to radiate at different frequencies, first and second feed pins connecting a first feed line to the first driven patch at respective first and second feed points thereof associated with orthogonal polarizations, and third and fourth feed pins connecting a second feed line to the second driven patch at first and second feed points thereof associated with orthogonal polarizations. The third feed pin extends through a first hole in the first driven patch to capacitively couple the third feed pin to the first driven patch. The fourth feed pin extends through a second hole in the first driven patch to capacitively couple the fourth feed pin to the first driven patch. Two or more antenna elements are arranged as a phased array antenna and packaged as an antenna module.

An antenna system mounted in a vehicle, according to the present invention, comprises: a radiator for transferring, through an upper opening, a signal which is applied through a lower opening; a coupling patch disposed on an upper substrate so as to be spaced apart from the upper opening by a predetermined interval so as to enable the coupling of the signal which has been transferred through the upper opening; and a first antenna connected to the coupling patch so as to make surface contact therewith, and comprising a shorting bar for connecting a ground layer of a lower substrate. The antenna system may further comprise, apart from the first antenna, a second antenna disposed in the antenna system.

An antenna array includes: a plurality of patch antenna structures, wherein each patch antenna structure of the plurality of patch antenna structures includes: an active element configured to emit radiofrequency waves, a parasitic reflector element, and a parasitic director element, wherein the parasitic reflector element and the parasitic director element are configured to direct the radiofrequency waves emitted by the active element towards a corresponding emission direction; a first beamforming circuit configured to control the active elements of a first subset of patch antenna structures to provide beamforming in a first azimuth direction corresponding to the first subset of patch antenna structures, and a second beamforming circuit configured to control the active elements of a second subset of patch antenna structures to provide beamforming in a second azimuth direction corresponding to the second subset of patch antenna structures.

Wideband millimeter-wave microstrip antenna having impedance stabilizing elements, and antenna array including same. An antenna array comprises at least one antenna assembly. The at least one antenna assembly has a plurality of antennas coupled in series and includes a solitary millimeter-wave wideband patch antenna as a terminal antenna in the series. The millimeter-wave wideband patch antenna comprises a main patch and two rectangular impedance stabilizing elements. The two rectangular impedance stabilizing elements are symmetrically disposed at a coupling distance from the main patch and extend parallel to the main patch. One of the two rectangular impedance stabilizing elements is disposed on one side of the main patch and the other of the two rectangular impedance stabilizing elements is disposed on an opposing side of the main patch. A width of each of the two rectangular impedance stabilizing elements is less than half of a width of the main patch.

Provided is an electronic device provided with an antenna for 5G communication according to the present invention. The electronic device includes an array antenna which is implemented as a multi-layer substrate inside the electronic device and includes a plurality of antenna elements. Each of the antenna elements of the array antenna comprises: a patch antenna disposed on a specific layer of the multi-layer substrate and configured to radiate a signal applied from a feeder line; a first electronic band gap (EBG) element disposed parallel to the patch antenna on the left or right side of the patch antenna; and a second electronic band gap (EBG) element disposed parallel to the patch antenna on the upper or lower side of the patch antenna.

A display device includes a display panel in which an active area and a peripheral area are defined, and an antenna unit including a main pattern, a first sub-pattern, and an antenna line. The main pattern is disposed on the display panel in the active area, transmits and/or receives a signal, and operates at a first frequency. The first sub-pattern is disposed on the display panel in the active area, is spaced apart from the main pattern in a first direction, is capacitively coupled to the main pattern, and operates at a second frequency different from the first frequency.