Concave pad of wireless charger

The present invention relates to a concave-shaped pad of the wireless charger, a pad body having a coil for the wireless charging; And a; and a recess in the pad body corresponding to the center of the magnetic flux density of the coil is formed so that the incoming radio can be charged for the electronic apparatus mounting. According to the concave pad of the wireless charger according to the present invention, by providing the concave pad of the wireless charger wireless charging to increase the charging efficiency of the electronic equipment E for wireless charging by a vibration or an impact device for a can not depart from the pad. Wireless charger, concave pad, coil