The light emitting module

A light emitting module including an electrode substrate and a plurality of light emitting diodes is provided. The electrode substrate includes a carrying surface, and further includes a first joint portion and a second joint portion that are located at opposite ends of the electrode substrate respectively. The first joint portion includes a first through hole or a first notch. The plurality of light emitting diodes is disposed on the carrying surface of the electrode substrate, wherein the plurality of light emitting diodes is arranged along a long side direction of the electrode substrate, and is electrically coupled to the electrode substrate.