An electronic device is provided. The electronic device includes a first conductive patch, a second conductive patch, a third conductive patch, and a wireless communication circuit. The first conductive patch includes a first edge facing the second conductive patch, a second edge perpendicularly meeting the first edge at a first corner, a third edge parallel to the first edge, and a fourth edge that is parallel to the second edge and perpendicularly meets the third edge at a second corner. The second conductive patch and the third conductive patch each have a shape identical to that of the first conductive patch. The wireless communication circuit feed power to a first point of the first edge, a second point of a fifth edge of the second conductive patch, and a third point of a sixth edge of the third conductive patch.

An eyewear device has an antenna system having at least one element which contributes to wireless signal transmission, and which is thermally connected to a heat-generating electronic component of the eyewear device to serve as a heat sink for the electronic component. A driven antenna element and/or a plurality of PCB extenders electrically connected to a PCB ground plane can thus be employed for both signal transmission and heat management.

The insertion loss of a multilayer substrate and an antenna element is reduced. A multilayer substrate according to an embodiment of the present disclosure includes a multilayer body, a wire conductor, and a first ground electrode. The multilayer body is formed by dielectric layers being layered. The wire conductor is formed in the multilayer body, and a radio frequency signal passes through the wire conductor. The first ground electrode is formed in or on the multilayer body and includes a first surface that faces the wire conductor. The first surface includes a first region and a second region. The surface roughness of the first region is lower than the surface roughness of the second region. The first region overlaps at least part of the wire conductor in plan view in a direction normal to the first ground electrode.

An electronic device is provided. The electronic device includes a housing including a conductive part, a device substrate disposed in an inner space of the housing, an antenna structure, disposed in the inner space to form a directional beam and including a substrate, an array antenna including a plurality of antenna elements disposed on the substrate and a support bracket to support the substrate, an electrical connection member connecting the substrate to the device substrate, a conductive contact connecting the electrical connection member to the conductive part, a first wireless communication circuit disposed in the inner space and configured to transmit or receive a first wireless signal in a first frequency band through the antenna structure, and a second wireless communication circuit disposed on the device substrate and configured to transmit or receive a second wireless signal in a second frequency band through the conductive part.

A semiconductor package having a thinner shape and including an antenna is provided. A semiconductor package comprises a first substrate, a second substrate on the first substrate and including a first face facing the first substrate and a second face opposite to the first face, a pillar extending from the second face of the second substrate to the first substrate, and a first semiconductor chip on the second face of the second substrate and connected to the pillar. The second substrate may include an antenna pattern, and the antenna pattern may be connected to the first semiconductor chip, and may be on the second face of the second substrate such that the antenna pattern is isolated from direct contact with the first semiconductor chip.

An antenna device according to an aspect includes a dielectric layer, a radiator formed on the dielectric layer, and a transmission line connected to the radiator on the dielectric layer and formed in a mesh structure which is a set of unit cells defined by a plurality of conductive lines. A width of the transmission line may be an integer multiple of the width of the unit cell, and may be within an allowable error range.

In an antenna element, a planar ground conductor layer on an insulation substrate is connected to ground. A radiation conductor layer radiates and/or receives high-frequency signals. The radiation conductor layer is in or on the insulation substrate and above the planar ground conductor layer. A lower principal surface of the radiation conductor layer overlaps an upper principal surface of the planar ground conductor layer as viewed in an up-down direction. The ground conductor is in the insulation substrate and connected to the ground potential. An upper end of the ground conductor is above the radiation conductor layer. The ground conductor layer is spaced away from the radiation conductor layer as viewed in the up-down direction. Only a conductor through which the high-frequency signals are transmitted and a conductor connected to the ground potential are between the ground conductor and the radiation conductor layer.

A light for mounting on an aircraft is fitted with a light source, an antenna for establishing radio communication between the aircraft and a ramp agent, or airport equipment, or an airport vehicle, and connection means for connecting a signal cable for linking the antenna to radio communication means of the aircraft.

A phase shift element includes an antenna, a first dielectric layer, a ground plane mounted to a first surface of the first dielectric layer, a reflecting circuit, and a single antenna-reflector line connected between the antenna and the reflecting circuit through the ground plane and the first dielectric layer. The antenna-reflector line is formed of a conducting material. The reflecting circuit is mounted to a second surface of the first dielectric layer. The first surface is opposite the second surface. The reflecting circuit is configured to reflect a signal received on the single antenna-reflector line from the antenna back to the antenna on the single antenna-reflector line. The reflecting circuit is further configured to be switchable between four different impedance levels that each provide a different phase shift when the signal is reflected by the reflecting circuit.

A split-ring resonator comprises a first ground terminal which is separated from a ground pattern.