This disclosure is directed at a photoconductive element for a digital X-ray imaging system which consists of a detector element comprising at least one semiconducting layer for absorbing photons, a first electrode coupled to a surface of said semiconducting layer, a second electrode coupled to a surface of said semiconducting layer, wherein said first electrode and said second electrode are separated horizontally, and at least one of said electrodes is electrically isolated from said semiconducting layer by an insulating layer; a readout circuit element coupled to said detector element; and a dielectric layer between said detector element and said readout circuit element.