Abstract:
A method for use in an electronic device includes: receiving, from a server, beacon information including a first function information. The first function information is associated with a first function, and the first function is executed in response to detecting that a beacon signal that is received from a beacon transmitter matches beacon information.
Abstract:
A wireless power transmission apparatus for determining empty heating is provided. The wireless power transmission apparatus includes at least one processor configured to control a communication interface configured to communicate with a cooking appliance, wherein the communication interface is further configured to receive, from the cooking appliance, a temperature of a bottom surface of the cooking appliance and an internal temperature of the cooking appliance for a first time period during which a heating operation is performed and for a second time period following the first time period, during which the heating operation is stopped, and the at least one processor is further configured to stop the heating operation for the second time period, and determine whether the cooking appliance undergoes empty heating based on a relationship between the temperature of the bottom surface and the internal temperature for the second time period.
Abstract:
An electronic device is disclosed. The disclosed electronic device comprises: a camera module; one or more processors electrically connected to the camera module; and a memory electrically connected to the processors, wherein, when the electronic device operates, the memory can store instructions for making the processors generate an image by using the camera module, calculate angles formed by a virtual horizontal line and a plurality of straight lines included in the image, and select two straight lines on the basis of the calculated angles. Additional various examples are possible.
Abstract:
An electronic apparatus is provided. The electronic apparatus includes a first communication interface, a second communication interface, and a processor configured to control the first communication interface to connect to a Bluetooth low energy (BLE) network, and based on receiving a wireless fidelity (Wi-Fi) signal from an access point (AP) apparatus through the second communication interface, identify a strength of the received Wi-Fi signal, transmit information on the strength of the received Wi-Fi signal to the AP apparatus through the second communication interface, and based on receiving response information corresponding to the information transmitted from the AP apparatus through the second communication interface, identify whether the electronic apparatus is a main apparatus among a plurality of electronic apparatuses connected to the BLE network based on the received response information, and maintain Wi-Fi communication through the second communication interface or release the Wi-Fi communication based on the identification result.
Abstract:
A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65
Abstract:
An electronic device is disclosed. The electronic device includes: a first communication unit and a second communication unit; a processor; and a memory, wherein the memory includes instructions causing the processor to control the first communication unit to receive first identification information for the door and first opening/closing state information of the door from a server, control the second communication unit to receive second communication unit to receive second door identification information and second opening/closing state information of the door from a door, and identify information on an electronic device involved in a change in an opening/closing state of the door based on the first identification information for the door, the first opening/closing state information of the door, the second door identification information, and the second opening/closing state information of the door. Other various embodiments are possible.
Abstract:
A quantum dot includes: a core including a first semiconductor nanocrystal, and a shell disposed on the core, the shell including a second semiconductor nanocrystal and a dopant, wherein the first semiconductor nanocrystal includes a Group III-V compound, the second semiconductor nanocrystal includes zinc (Zn), sulfur (S), and selenium, and the dopant includes lithium, a Group 2A metal having an effective ionic radius less than an effective ionic radius of Zn2+, a Group 3A element having an effective ionic radius less than an effective ionic radius of Zn2+, or a combination thereof. Also a method of producing the quantum dot, and a composite, and an electronic device including the quantum dot.
Abstract:
A semiconductor nanocrystal particle including: a core including a first semiconductor material; and a shell disposed on the core, wherein the shell includes a second semiconductor material, wherein the shell is free of cadmium, wherein the shell has at least two branches and at least one valley portion connecting the at least two branches, and wherein the first semiconductor material is different from the second semiconductor material.
Abstract:
A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide
Abstract:
A wireless power-driven household device for controlling an amount of power to be supplied to a load includes a wireless power transmitter configured to wirelessly transmit power via a transmitting coil, a receiving coil configured to wirelessly receive power from the transmitting coil of the wireless power transmitter, a rectifier configured to rectify an alternating current (AC) voltage received wirelessly, a direct current (DC) link configured to receive a DC voltage that is an output of the rectifier, a current sensor configured to sense current supplied from the DC link to the load, a switch provided between the rectifier and the DC link to adjust an amount of power to be supplied to the load based on the current supplied to the load and sensed by the current sensor, and a controller configured to control an on/off state of the switch.