| 摘要 |
Disclosed is a wireless power transmission apparatus. The device comprises: a charge pad; a power transmission part, which is included in the charge pad, for recognizing a wireless power reception apparatus; and a control part for controlling the power transmission part to transmit wireless power through the power transmission part to an external device, wherein the power transmission part comprises a plurality of stacked coils, and the control part is capable of controlling the magnetic field phases of the individual stacked coils. Accordingly, it is possible to improve efficiency of the device. |
