Handheld device and disposition method of planar antenna

摘要

A handheld device and a disposition method of a planar antenna are provided. The handheld device includes an appearance, a system ground plane, and the planar antenna. The appearance includes a via. The system ground plane is disposed inside the appearance. The planar antenna is disposed on the appearance and extended to an inner surface of the appearance through the via so as to be coupled to the system ground plane. Thereby, the performance of the planar antenna is improved.