Abstract: An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between an anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2.

Abstract: According to various embodiments, a method of operating a wireless power reception device may comprise: confirming information about the location of the wireless power reception device with respect to a wireless power transmission device based on a first signal received from the wireless power transmission device using at least one communication module of the wireless power reception device; confirming information about a first charging range of the wireless power transmission device based on a second signal received from the wireless power transmission device using the at least one communication module; and displaying the location of the wireless power reception device as a first icon and the first charging range as a line or a plane on a display of the wireless power reception device based on the information about the location of the wireless power reception device and the information about the first charging range of the wireless power transmission device.

Abstract: An electronic device is provided. The electronic device includes a housing including a first plate facing a first direction and a second plate facing a second direction opposite to the first direction, and forming a space between the first plate and the second plate, a display disposed inside the housing and exposed through the first plate, a first printed circuit board disposed between the display and the second plate, a second printed circuit board disposed between the display and the second plate, a third printed circuit board which is disposed between the display and the second plate and electrically connects the first printed circuit board and the second printed circuit board, and a first antenna coupled to the first printed circuit board, wherein the third printed circuit board may include a second antenna electrically connected to the first antenna.

Abstract: A display apparatus includes a display panel having a plurality of pixels, a gate driver configured to provide a gate signal to the display panel, a data driver configured to provide a data signal to the display panel, and a driving controller configured to control the gate driver and the data driver and to receive input image data to generate output image data corresponding to the data signal. The driving controller is configured to determine a scale factor based on a total load value of previous input image data and to compare the current input image data with the previous input image data to determine whether to apply the scale factor to the current input image data.

Abstract: An electronic device according to an embodiment may include a camera module, a metal structure, a first antenna adjacent to the camera module, a second antenna spaced from the camera module, a switching module electrically connected to the metal structure, including at least one lumped element, and adjusting an impedance by using the at least one lumped element, and at least one processor. The at least one processor is configured to transmit a signal in a first frequency band by feeding the first antenna and control the switching module such that the switching module has a first impedance corresponding to the first frequency band and electrically connects the metal structure and the ground when the transmission power of the first antenna is equal to or more than the designated value.

Abstract: In certain embodiments, a method of operating an electronic device, comprises: identifying strength of a signal within a first frequency band and strength of a signal within a second frequency band when operating in a mode of transmitting a signal within the first frequency band and a signal within the second frequency band; identifying first magnitudes of voltages based on mapping data in a memory, wherein the mapping data maps first magnitudes of the voltages according to strength of signal within the first frequency band and second magnitudes of the voltages according to strength of signal within the second frequency band, and the identified strength of the signal within the first frequency band; identifying the second magnitudes of the voltages based on the identified strength of the signal within the second frequency band and the mapping data; when there are identical magnitude of voltages among the first magnitudes of voltages applicable and the second magnitudes of voltages, controlling a power supply

Abstract: A communication circuit and an electronic device comprising the communication circuit are provided. The communication circuit includes an amplifier module including a first amplifier and a second amplifier for amplifying a signal amplified by the first amplifier, and a first matching circuit that is disposed outside the amplifier module and performs impedance matching between the first amplifier and the second amplifier, wherein the amplifier module includes a first terminal for outputting, to the outside, the signal amplified by the first amplifier, and a second terminal for a signal that is input to the second amplifier, and the first matching circuit may be connected to the amplifier module via the first terminal and the second terminal.

Abstract: An electronic device may include: a resonance circuit including a battery, a coil, and a capacitor, and configured to receive power wirelessly; a rectifying circuit including multiple transistors, and configured to rectify alternating current power provided from the resonance circuit into direct current power; and a control circuit, wherein the control circuit is configured to: identify a difference between the phase of voltage and the phase of current of the alternating current power provided from the resonance circuit during wireless reception of power from an external electronic device; and perform impedance matching by controlling the bias voltage of at least one of the multiple transistors on the basis that the difference between the phase of voltage and the phase of current satisfies a designated condition.

Abstract: When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.

Abstract: Disclosed is an electronic device including a plurality of antennas, a plurality of radio frequency circuits, a first transceiver, a second transceiver, a switching circuit configured to connect the plurality of radio frequency circuits to the first transceiver or the second transceiver, a processor, and a memory. The electronic device may be configured to switch a receiving path by connecting at least one of a plurality of receiving paths to another transceiver based on reception performance of the plurality of receiving paths.

Abstract: The present invention relates to a dust collecting filter. The dust collecting filter of the present invention may include a ground electrode unit bent in a corrugated shape to form a plurality of bent portions and a plurality of flat portions between each of the plurality of bent portions, and grounded; and a plurality of voltage electrode units disposed between each of the plurality of flat portions and spaced apart from each other, and to which a high voltage is applied.

Abstract: Disclosed is a portable communication device that includes a housing including a first housing portion and a second housing portion at least partially overlapped and slidable with each other; a rollable module accommodated in the housing substantially between the first housing portion and the second housing portion, the rollable module configured to slide the first housing portion or the second housing portion with respect to each other; and a flexible display accommodated in the housing such that, when in a closed state in which the first housing portion or the second housing portion is not slid with respect to each other, a first display portion of the flexible display is visually exposed via a first surface of the housing and a second display portion of the flexible display is visually exposed via a second surface of the housing opposite to the first surface.

Abstract: An electronic device may include an integrated circuit (IC) including a switch and a plurality of paths that may include a first transmit (Tx) path, a second Tx path, a first receive (Rx) path, and a second Rx path; a first antenna electrically connected with the first Tx path from among the plurality of paths; a second antenna electrically connectable with the second Tx path or the second Rx path from among the plurality of paths via the switch; a third antenna electrically connected with the first Rx path from among the plurality of paths; and at least one processor operably coupled with the IC.

Abstract: An electronic device may include an antenna, a power amplifier (PA) to transmit an output signal to the antenna through a signal path, a coupler to obtain a first signal coupled to the output signal and a second signal coupled to a reflection signal of the output signal reflected from the antenna, an equalizing module to generate a changed signal obtained by changing a strength and/or a phase of one signal of the first signal or the second signal, a differential circuit to generate a differential signal between a remaining one signal of the first signal or the second signal and the changed signal, and a controller to control transmitting of a radio signal, based on the differential signal. Moreover, various embodiment found through the disclosure are possible.

Abstract: An electronic device includes a flexible display configured to be rollable; at least one camera; and a processor operatively connected to the flexible display and the camera, wherein the processor is configured to: detect operation initiation of the camera; identify a rolling state of the flexible display, based on the operation initiation; rotate the camera toward a designated direction, based on the rolling state of the flexible display; and based on the rolling state of the flexible display, display an image obtained from the designated direction via the camera in a center of the flexible display

Abstract: An electronic device may include a low drop output regulator (LDO); a first DC-to-DC converter; an antenna module including an antenna array IC and an antenna array; a second DC-to-DC converter disposed outside the antenna module and supplying power to the low drop output regulator; a power generation circuit for supplying power to the first DC-to-DC converter and the second DC-to-DC converter; and a processor operatively coupled to the antenna module, the second DC-to-DC converter, and the power generation circuit.

Abstract: An electronic device includes a printed circuit board having a first opening; at least one receptacle provided in the printed circuit board and adjacent to the first opening; an electrical connection member coupled to the at least one receptacle and configured to be separable from the at least one receptacle; and at least one boss structure provided in the first opening and protruding from the electrical connection member toward the printed circuit board.

Abstract: A method and an apparatus for processing signals through Radio Frequency (RF) chains are provided. The electronic device includes a processor, a transceiver including a plurality of RF chains, a plurality of switches electrically connected to the plurality of RF chains, a first antenna array including a plurality of first antenna elements electrically connected to the plurality of switches, and a second antenna array including a plurality of second antenna elements electrically connected to the plurality of switches.

Abstract: An electronic device is provided and includes an antenna; a first duplexer including a first band pass filter (BPF), a second BPF, a first port, a second port, and a third port; a filter; a power amplification circuit including an input port and an output port; a processor; a radio frequency (RF) integrated circuit (RFIC) including an input port and an output port; a first switch including a first terminal and a second terminal; a second switch including a first terminal and a second terminal; and a third switch including a first terminal, wherein the processor is configured to connect the antenna to the first terminal of the first switch, the output port of the power amplification circuit to the first terminal of the second switch, and a second port of the filter to the first terminal of the third switch by controlling the first switch, the second switch, and the third switch, and output a baseband signal to the RFIC in a state in which the antenna is connected to the first terminal of the first switch, the

Abstract: An electronic device is provided. The electronic device includes a housing configured to form an external shape thereof, a first board disposed in a first direction that is away from the housing, wherein at least one processor is mounted at the first board, a second board disposed between the housing and the first board and electrically connected with the first board, and a thermistor mounted on the second board, wherein the at least one processor measures a temperature of the housing based on an electrical signal received from the second board.