Wireless power transmitting device for wireless power communication system

Provided is a wireless power transmitting device (100) for a wireless power communication system. The wireless power transmitting device includes: a circuit board (170) including an insulating layer (173) and a ground (171) formed on the insulating layer; a core (150) of a magnetic substance disposed on the circuit board to have a concave portion; a wire-wound coil (111) accommodated in the concave portion to have one end for receiving a power through the circuit board and the other end connected to the ground; and a metal laver (192) disposed between the core and the insulating layer to be connected to the ground.