Light bar and backlight module

The utility model discloses a light bar and a backlight module. The light bar comprises a plurality of light-emitting elements and a substrate. The substrate is provided with a plurality of connecting parts, a pair of first positioning marks and a plurality of second positioning marks, each light-emitting element is correspondingly connected with each connecting part, the connecting parts are located between the pair of first positioning marks in the arrangement direction of the connecting parts, each connecting part is provided with a first electrode and a second electrode, and the second electrode is located between the first positioning marks and the second positioning marks. Each second positioning mark corresponds to each connecting part, and each second positioning mark is positioned between the corresponding first electrode and second electrode; wherein the light-emitting surfaces of the plurality of light-emitting elements face the first side edge of the substrate, an area between the light-emitting s