A wireless charger includes an upper housing assembly, a lower housing assembly, a magnetic sheet coil, and a heat dissipation ring. A concave structure is provided on an upper surface of the lower housing assembly, and the concave structure is coupled to ...

Disclosed is a wireless power transmitter. The wireless power transmitter includes a coil in a first case; a first passage groove having a shape corresponding to a shape of the first case; and a second case coupled to the first case.