The present disclosure relates to the field of display technology, and provides a backlight module, a display device, and a fabricating method for the backlight module. Specifically, the backlight module includes a first substrate having a first surface and a second surface opposite to each other, a plurality of light emitting units arranged in an array on the first surface of the first substrate, a metal wire grid polarizer on the second surface of the first substrate, and a driving circuit. The driving circuit is electrically connected to the plurality of light emitting units to drive the plurality of light emitting units to emit light toward the first substrate.