Abstract: Disclosed is a method of manufacturing a polyurethane filter foam having excellent air permeability, elasticity, and restoring force. In the method of manufacturing the polyurethane filter foam, the cell size of the filter foam is made regular by controlling the pressure by adjusting the diameter of the foaming head of a foaming machine, rather than adding a cell opener, cell irregularity caused by poor dispersion of the cell opener is alleviated, and air permeability, porosity, and compression set are excellent.

Abstract: According to various embodiments of the present disclosure, an electronic device may include: an array antenna including a plurality of first radiating conductors that transmit or receive a wireless signal in a first frequency band and are arranged on a circuit board; and a lens unit including at least one lens disposed on a housing of the electronic device to correspond to the first radiating conductors. The lens unit may refract or reflect a wireless signal transmitted/received through each of the first radiating conductors. The electronic device as described above may be variously implemented according to embodiments. For example, a portion of the lens unit may transmit/receive a wireless signal in a frequency band that is different from the frequency band of the wireless signal transmitted/received by the first radiating conductors.

Abstract: Various embodiments of the present disclosure provide an antenna device, which comprises: a radiator for receiving a power supply signal; multiple tuning units disposed adjacently to or on the radiator, wherein the tuning units are short-circuited to the radiator or adjacent tuning units are selectively short-circuited to each other. The antenna device as described above can be variously implemented according to embodiments.

Abstract: One example among various examples of the present invention provides an antenna device and an electronic device having the same, and the antenna device can comprise: a conductive film member including mesh grid areas composed of transparent conducting wires and electrodes; and a radiation pattern path unit formed between the mesh grid areas. In addition, the antenna device and the electronic device having the same, according to the present invention, can be implemented through other various examples.

Abstract: Display devices are provided. In a display device, a plurality of pixels are arranged with an interval therebetween, an antenna radiator is configured with one or more conductors that are arranged between the plurality of pixels, and partition walls are disposed between the plurality of pixels. Each of the one or more conductors is disposed on one surface of the corresponding partition wall.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An antenna for decreasing a signal loss caused by a dielectric loss in an antenna by decreasing a space of the antenna in a wireless device and improving performance of the antenna is provided. The antenna includes a first radiator, and a second radiator installed on a cover of the wireless device to radiate a radio signal radiated by the first radiator, the second radiator separate from and facing the first radiator.

Abstract: Various embodiments of the present disclosure provide an antenna device, which comprises: a radiator for receiving a power supply signal; multiple tuning units disposed adjacently to or on the radiator, wherein the tuning units are short-circuited to the radiator or adjacent tuning units are selectively short-circuited to each other. The antenna device as described above can be variously implemented according to embodiments.

Abstract: A power supply device for an internal antenna of a display is provided. The power supply device includes at least two coils configured to be separated by a predetermined interval and a power supply terminal of the at least two coils to connect the at least two coils in parallel. An integrated circuit (IC) includes the power supply terminal of the at least two coils connects the at least two coils in parallel and supplies a current to the at least two coils through the included power supply terminal. Phases of the current flowing in the at least two coils are the same due to the current supplied by the IC.

Abstract: A coil arrangement structure supporting wireless communication and a method for operating the same in a wireless terminal are provided. The coil arrangement structure includes a closed-loop metal frame and a coil arranged asymmetrically within the metal frame. The coil is arranged such that a distance between an outer side of the coil and an inner side of the metal frame is not constant and the coil is arranged integrally on a front surface of a display.

Abstract: An electronic device is provided. The electronic device includes a housing formed of a conductive material and a coil adjacent to the housing. The coil is configured to generate a flow of current along a first direction, and the coil may be electrically connected with the housing to generate a flow of current in a direction parallel with the first direction from a portion of the housing.

Abstract: An antenna device and an electronic device that includes the same are provided. The devices may each include a radiation conductor formed on a circuit board constituted by multiple layers, the radiation conductor being constituted by an electrically conductive pattern formed on at least one of the multiple layers constituting the circuit board or by a combination of electrically conductive patterns formed on the multiple layers, a ground conductor disposed on the circuit board to supply reference potential for the radiation conductor, a feeding line disposed on the circuit board to supply power to the radiation conductor, and a dummy conductor disposed on the circuit board, and the dummy conductor may be mounted to make contact with, or to be adjacent to, at least one of the radiation conductor, the ground conductor, and the feeding line.

Abstract: Display devices are provided. In a display device, a plurality of pixels are arranged with an interval therebetween, an antenna radiator is configured with one or more conductors that are arranged between the plurality of pixels, and partition walls are disposed between the plurality of pixels. Each of the one or more conductors is disposed on one surface of the corresponding partition wall.

Abstract: According to various embodiments of the present disclosure, an electronic device may include: an array antenna including a plurality of first radiating conductors that transmit or receive a wireless signal in a first frequency band and are arranged on a circuit board; and a lens unit including at least one lens disposed on a housing of the electronic device to correspond to the first radiating conductors. The lens unit may refract or reflect a wireless signal transmitted/received through each of the first radiating conductors. The electronic device as described above may be variously implemented according to embodiments. For example, a portion of the lens unit may transmit/receive a wireless signal in a frequency band that is different from the frequency band of the wireless signal transmitted/received by the first radiating conductors.

Abstract: An electronic device that utilizes a display as an antenna is provided. The electronic device may include a display including a conductive layer, a signal power supply part electrically coupled to the conductive layer in order to utilize the conductive layer as an antenna radiator, and a substrate electrically connected to the signal power supply part so as to receive a signal of an antenna radiator of the conductive layer through the signal power supply part.

Abstract: According to an embodiment of the present disclosure, an antenna device implemented in a display device may comprise a dielectric layer provided in the display device, an antenna area disposed in a surface of the dielectric layer provided in a transparent area of the display device and having at least one or more antenna patterns transmitting or receiving an electromagnetic wave through a plurality of conductive grids, a power feeding area provided in at least one of the transparent area and an opaque area of the display device and having a power feeding pattern providing a signal current to the antenna pattern through the plurality of conductive grids, and a transmission line portion connecting a substrate portion provided in the display device with the power feeding pattern. Further, the antenna device according to the present disclosure may also be implemented in other various embodiments.

Abstract: Display devices are provided. The first display device includes a plurality of pixels arranged with an interval therebetween; and an antenna radiator configured with one or more conductors that are arranged between the plurality of pixels. The second display device includes a substrate; a plurality of light emitting parts arranged on the substrate with an interval therebetween; and an antenna radiator configured with one or more conductors that are arranged between the substrate and the light emitting parts.

Abstract: According to various embodiments of the present disclosure, an electronic device may include: an array antenna including a plurality of first radiating conductors that transmit or receive a wireless signal in a first frequency band and are arranged on a circuit board; and a lens unit including at least one lens disposed on a housing of the electronic device to correspond to the first radiating conductors. The lens unit may refract or reflect a wireless signal transmitted/received through each of the first radiating conductors. The electronic device as described above may be variously implemented according to embodiments. For example, a portion of the lens unit may transmit/receive a wireless signal in a frequency band that is different from the frequency band of the wireless signal transmitted/received by the first radiating conductors.

Abstract: A power supply device for an internal antenna of a display is provided. The power supply device includes at least two coils configured to be separated by a predetermined interval and a power supply terminal of the at least two coils to connect the at least two coils in parallel. An integrated circuit (IC) includes the power supply terminal of the at least two coils connects the at least two coils in parallel and supplies a current to the at least two coils through the included power supply terminal. Phases of the current flowing in the at least two coils are the same due to the current supplied by the IC.

Abstract: A power supply device for an internal antenna of a display is provided. The power supply device includes at least two coils configured to be separated by a predetermined interval and a power supply terminal of the at least two coils to connect the at least two coils in parallel. An integrated circuit (IC) includes the power supply terminal of the at least two coils connects the at least two coils in parallel and supplies a current to the at least two coils through the included power supply terminal. Phases of the current flowing in the at least two coils are the same due to the current supplied by the IC.

Abstract: One example among various examples of the present invention provides an antenna device and an electronic device having the same, and the antenna device can comprise: a conductive film member including mesh grid areas composed of transparent conducting wires and electrodes; and a radiation pattern path unit formed between the mesh grid areas. In addition, the antenna device and the electronic device having the same, according to the present invention, can be implemented through other various examples.