Radiation detector and radiographic imaging apparatus

A radiation detector comprising:

• a substrate having a pixel region where a plurality of pixels that accumulate electrical charges generated depending on light converted from radiation are formed on a first surface of a flexible and resinous base material;
• a conversion layer that is provided in a partial region, including the pixel region, of the first surface of the base material and converts the radiation into the light;
• an electrical charge discharge layer that is provided on at least one surface of a surface, on the conversion layer side, in a laminate in which the substrate and the conversion layer are laminated, or a second surface opposite to the first surface of the base material;
• and
• a wiring line that is electrically connected to the electrical charge discharge layer,
• wherein the base material has a through-hole provided in a region corresponding to a region other than the partial region, and the wiring line passes through the through-hole.