| 摘要 |
Provided are a core assembly used for a wireless power transmitting device (100) and a wireless power transmitting device having the same. The core assembly for the wireless power transmitting device, includes: a main coil (111) disposed at a first level; an auxiliary coil disposed at a lower side of the main coil such that the auxiliary coil is located at a second level lower than the first level, and including a first sub coil (112) and a second sub coil (113), which respectively have a portion overlapped with the main coil and respectively have a size smaller than the main coil; and a core (150) of a magnetic substance configured to accommodate the main coil and the auxiliary coil. |
