WIRELESS CHARGING DEVICE AND TRANSMITTING MODULE AND TRANSMITTER COIL THEREOF

摘要

A transmitter coil includes a winding part. The winding part is an elliptic-shaped spirally-wound coil with a hollow portion. The outer major axis length of the winding part is in the range between 78 mm and 82 mm. The outer minor axis length of the winding part is in the range between 44 mm and 48 mm. The inner major axis length of the winding part is in the range between 54 mm and 58 mm. The inner minor axis length of the winding part is in the range between 19 mm and 23 mm. The turn number of the winding part is in the range between 8 and 12. A transmitting module with the transmitter coil and a wireless charging device with the transmitter coil are also provided.