An inkjet printhead, characterized in comprising: a first layer comprising an inlet formed to penetrate a substrate and introduce ink therein, a plurality of membranes , and a plurality of chambers formed below corresponding to each of the plurality of membranes ; a second layer disposed beneath the first layer , and comprising a manifold formed to penetrate a substrate or to be recessed on a top of the substrate to communicate with the inlet , and a plurality of nozzle channels formed to penetrate the substrate below the membrane and allow the ink transferred from the manifold to flow therein; a third layer disposed beneath the second layer , and comprising a plurality of nozzles formed in a substrate and communicating the plurality of nozzle channels ; a plurality of piezoelectric actuators formed corresponding to each of the plurality of membranes on the first layer formed with the membranes , and comprising a lower first electrode , a piezoelectric body on the first electrode , and a second electrode on the piezoelectric body ; a first voltage controller configured to oscillate the membrane by applying a pulse voltage to the first electrode and the second electrode ; a plurality of third electrodes disposed beneath the third layer , formed around each nozzle , and surrounded with an insulator; a second voltage controller configured to discharge droplets of the ink based on induced electric force by applying voltage to the third electrode a fifth electrode disposed between the first layer and the second layer and surrounded with an insulating layer ; and a fourth voltage controller configured to apply voltage to the fifth electrode . a first layer comprising an inlet formed to penetrate a substrate and introduce ink therein, a plurality of membranes , and a plurality of chambers formed below corresponding to each of the plurality of membranes ; a second layer disposed beneath the first layer , and comprising a manifold formed to penetrate a substrate or to be recessed on a top of the substrate to communicate with the inlet , and a plurality of nozzle channels formed to penetrate the substrate below the membrane and allow the ink transferred from the manifold to flow therein; a third layer disposed beneath the second layer , and comprising a plurality of nozzles formed in a substrate and communicating the plurality of nozzle channels ; a plurality of piezoelectric actuators formed corresponding to each of the plurality of membranes on the first layer formed with the membranes , and comprising a lower first electrode , a piezoelectric body on the first electrode , and a second electrode on the piezoelectric body ; a first voltage controller configured to oscillate the membrane by applying a pulse voltage to the first electrode and the second electrode ; a plurality of third electrodes disposed beneath the third layer , formed around each nozzle , and surrounded with an insulator; a second voltage controller configured to discharge droplets of the ink based on induced electric force by applying voltage to the third electrode a fifth electrode disposed between the first layer and the second layer and surrounded with an insulating layer ; and a fourth voltage controller configured to apply voltage to the fifth electrode . <EOS>