UNIT FOR A PIEZOELECTRIC GENERATOR AND PIEZOELECTRIC GENERATOR SYSTEM COMPRISING SAME

摘要

The present invention relates to a unit for a piezoelectric generator and to a piezoelectric generator system comprising same. The unit for a piezoelectric generator comprises: a substrate being characteristically bent by the pressure or vibration applied to a surface thereof, and having a restoration force countering the bendable characteristic; a first piezoelectric layer which is formed on a first surface of the substrate, has a first area, and is formed once or multiple times; a second piezoelectric layer which is formed on a second surface of the substrate opposite the first surface, having a second area narrower than the first area, and formed such that a portion of the area thereof or the entirety of the area thereof can be overlapped with the first piezoelectric layer; and a circuit unit formed on the first piezoelectric layer which is not overlapped with the region in which the second piezoelectric layer is formed, such that a portion of the area thereof or the entirety of the area thereof can be overlapped with the first piezoelectric layer.