Self-powered mobile phone case using piezoelectric energy harvesting device

摘要

A self-powered smartphone case using a piezoelectric energy harvesting device is disclosed. Self-generation smartphone case utilizing the piezoelectric energy harvesting device, the rear case surface, the circuit board, the wireless charging pad, and the front case surface are sequentially stacked; The circuit board includes a rectifier diode disposed in a portion corresponding to the upper screen portion of the smartphone based on when the smartphone is inserted into the case, and the lower end of the smartphone when the smartphone is inserted into the case one or more piezoelectric element modules disposed on a portion corresponding to the touch unit, wherein the piezoelectric element module includes: an anode; piezoelectric layer; and a piezoelectric element including a cathode.