Lightweight photovoltaic backplane and laminated photovoltaic module

The utility model discloses a light photovoltaic backboard and a laminated photovoltaic module, the light photovoltaic backboard comprises a first fiber flat plate layer and a plurality of corrugated strips, and the plurality of corrugated strips are arranged at the back of the first fiber flat plate layer and are distributed side by side along the extension direction of the first fiber flat plate layer; the laminated photovoltaic module comprises the light photovoltaic back plate, and a first photovoltaic packaging adhesive film, a photovoltaic chip, a second photovoltaic packaging adhesive film and a photovoltaic front plate which are sequentially laid on the top of the light photovoltaic back plate, wherein the material of the first photovoltaic packaging adhesive film is the same as that of the second photovoltaic packaging adhesive film; according to the light photovoltaic backboard and the laminated photovoltaic module provided by the invention, on the basis of ensuring light weight, the rigidity of the