Abstract: A method and electronic device for performing wireless charging are provided. The electronic device includes a housing, a conductive coil, a power transmission circuit electrically connected to the conductive coil, and configured to wirelessly transmit power to an outside of the housing through the conductive coil, a voltage source electrically connected to the power transmission circuit, and a control circuit electrically connected between the power transmission circuit and the voltage source. The control circuit is configured to change power radiated through the conductive coil, monitor a frequency of a signal and/or electromagnetic waves radiated through the conductive coil, and adjust a level of a voltage from the voltage source based on at least a part of a monitored result of the frequency.

Abstract: A display device is disclosed. The display device comprises: a display including a plurality of display modules; a display driving unit including a plurality of driving modules connected to each of the plurality of display modules; a storage for storing current control information according to the luminance of a display device; and a processor for calculating the maximum power amount available in each of the plurality of display modules on the basis of the entire power capacity, which can be provided by the plurality of driving modules, and of the individual power consumption amount of each of the plurality of display modules, calculating a peak luminance level of each of the plurality of display modules on the basis of the calculated maximum power amount, and controlling, on the basis of the current control information, the plurality of driving modules such that each of the plurality of display modules has the corresponding peak luminance level.

Abstract: According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path.

Abstract: Disclosed is an organic light emitting compound represented by Formula 1: HAr1—(L)n—HAr2??(1); an organic light emitting device including the organic light emitting compound of Formula 1: and an organic light emitting device including the organic light emitting compound of Formula 1 as a first compound and a second compound represented by Formula 2: HAr3—(L)n—HAr4??(2) .

Abstract: An electronic device according to an embodiment of the disclosure may include a loop antenna, a printed circuit board including a power wire and a ground wire, a first switch electrically connected between a first terminal of the loop antenna and the power wire, a second switch electrically connected between the first terminal and the ground wire, a third switch electrically connected between a second terminal of the loop antenna and the power wire, a fourth switch electrically connected between the second terminal and the ground wire, and a controller.

Abstract: A power transmitting unit is provided. The power transmitting unit includes a signal generator configured to generate a signal of a first frequency band for wireless charging, a power generation circuit configured to generate a modulation signal for modulating the signal of the first frequency band generated by the signal generator, and amplify a transmit power of the signal of the first frequency band based on voltage supplied from the outside of the power transmitting unit, a power transmission circuit configured to transmit the amplified transmit power to a power receiving unit via a first antenna, a second antenna configured to receive information about a charging state from the power receiving unit through a second frequency band, and a control circuit configured to control a duty and frequency of the modulation signal based on the charging state.

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.

Abstract: An electronic device according to various embodiments of the present invention comprises a wireless power reception circuit and a processor, wherein the processor can be set so as to receive power transmitted from an external electronic device by using the wireless power reception circuit, detect a state related with the reception during the reception of the power, and disable at least a part of the wireless power reception circuit such that the external electronic device stops the transmission when the state satisfies a designated condition. Other examples are also possible.

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.

Abstract: Disclosed herein is an organic light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of fused ring compounds represented by Chemical Formula A and at least one of hetero ring compounds represented by Chemical Formula D, the Chemical formulas A and B being as defined in the description of the invention.

Abstract: The present invention relates to low-emissivity glass comprising: a glass substrate; a first dielectric layer formed on the glass substrate; a metal layer formed on the first dielectric layer; an absorbent layer formed on the metal layer; a second dielectric layer formed on the absorbent layer; and a coating layer formed on the second dielectric layer and containing Zr, whereby a low-emissivity glass having good and excellent handling and long-term storage properties is provided.

Abstract: A memory device, as provided herein, may include an invalidation bit circuit and a cell array. In methods for controlling such memory devices, the invalidation bit circuit may receive an invalid control command from a memory controller to update the invalid bit data to one of first and second states different from each other, the invalidation bit circuit may receive a read control command from the memory controller and may provide an invalid signal when the invalid bit data is in the first state, the invalidation bit circuit may transmit a data request when the invalid bit data is in the second state, and the cell array may receive the data request and provide data.

Abstract: The present invention relates to an organic light emitting compound and an organic light emitting device comprising the same, and the organic light emitting device employing the organic light emitting compound according to the present invention can be driven at a lower voltage than existing devices employing a phosphorescent host material, and has excellent power efficiency, improved light emission efficiency, and long lifespan characteristics.

Abstract: The present invention relates to an organic light-emitting compound represented by Chemical Formula A and an organic light-emitting device. In Chemical Formula A, X, Y, Z, and the substituents R1 to R8, and R11 to R20 are as defined in the specification.

Abstract: A power transmitting unit is provided. The power transmitting unit includes a signal generator configured to generate a signal of a first frequency band for wireless charging, a power generation circuit configured to generate a modulation signal for modulating the signal of the first frequency band generated by the signal generator, and amplify a transmit power of the signal of the first frequency band based on voltage supplied from the outside of the power transmitting unit, a power transmission circuit configured to transmit the amplified transmit power to a power receiving unit via a first antenna, a second antenna configured to receive information about a charging state from the power receiving unit through a second frequency band, and a control circuit configured to control a duty and frequency of the modulation signal based on the charging state.

Abstract: An LED display module and a display apparatus are provided.

Abstract: An electronic device and an operating method thereof according to various embodiments are capable of releasing a connection between a first antenna and a first magnetic field module, receiving power wirelessly through the first antenna by a second magnetic field module coupled to the first antenna, coupling the first antenna and the first magnetic field module, and performing first short range communication through the first antenna by the first magnetic field module.

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.

Abstract: According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path.

Abstract: Provided is a DC/DC converter which has a full bridge configured in a switching unit and uses a half bridge, which is subordinate to the full bridge in view of circuit configuration, to automatically select such one of the multi-topologies. More particularly, the DC/DC converter uses multi-topologies, which receives, in real time, feedback of an output voltage charged to a battery, operates using the half bridge when the output voltage charged to the battery is lower than a reference voltage, and operates using the full bridge when the output voltage charged to the battery is equal to or higher than the reference voltage, so as to output a wider range of voltage.