Abstract: A heterocyclic compound represented by Formula 1: wherein, Ar1 is a group represented by Formula 2, Ar1 includes at least one cyano group, A1, A2, L1, a1, Ar11, Ar12, Ar13, m1, R1, R10, R20, R30, b1, b10, b20, and b30 are the same as described in the present disclosure, and * and *? each indicate a binding site to a neighboring atom.

Abstract: An organic light-emitting device may include: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer may include an emission layer, the emission layer may include a first compound, a second compound, and a fluorescent dopant, the first compound, the second compound, and the fluorescent dopant may be different from one another, the total weight of the first compound and the second compound may be greater than a weight of the fluorescent dopant, and the first compound may be a compound represented by Formula 1: Formula 1 may be understood by referring to the description of Formula 1 provided herein.

Abstract: Provided are the organometallic compound represented by Formula 1 and an organic light-emitting device including the same: M, X1 to X4, X11, ring CY2 to ring CY4, T1, T2, R1 to R4, and a1 to a4 in Formula 1 are the same as described in the present specification.

Abstract: An electronic device includes: a communication circuit; a memory storing one or more instructions; and at least one processor electrically connected with the communication circuit, and configured to execute the one or more instructions to: control the communication circuit to transmit a first short-range wireless communication signal having a first output intensity; and control the communication circuit to transmit a second short-range wireless communication signal having a second output intensity that is different from the first output intensity.

Abstract: A wireless charging device in communication with an electronic device is provided. The wireless charging device includes a charging circuit configured to communicate with the electronic device at a first frequency that is included in a frequency band of the electronic device and supple power received from an external power source to the electronic device depending on a communication result at the first frequency, and a control circuit configured to convert the first frequency, based on a response of the electronic device to a first connection signal that is transmitted from the charging circuit to the electronic device.

Abstract: A wireless charging device in communication with an electronic device is provided. The wireless charging device includes a charging circuit configured to communicate with the electronic device at a first frequency that is included in a frequency band of the electronic device and supple power received from an external power source to the electronic device depending on a communication result at the first frequency, and a control circuit configured to convert the first frequency, based on a response of the electronic device to a first connection signal that is transmitted from the charging circuit to the electronic device.