Patent ID: 8809670

Claim:
A solar energy module, comprising a substrate comprising at least one light diffusion layer having a light incident side and a plurality of light guiding layers stacked on a side opposite to the light incident side of the at least one light diffusion layer, wherein the substrate has a transparency of 5% to 85%, and the at least one light diffusion layer comprises light scattering particles having an index of refraction different from a material of the at least one light diffusion layer; solar chips disposed on four lateral surfaces of the at least one light diffusion layer and the plurality of light guiding layers of the substrate, arranged such that solar light entering the at least one light diffusion layer of the substrate from the light incident side is diffused by the light scattering particles, and then a part of the diffused solar light is reflected within the at least one light diffusion layer by an interface of the at least one light diffusion layer and the plurality of light guiding layers to be collected by the solar chips disposed on the four lateral surfaces of the at least one light diffusion layer, and another part of the diffused solar light enters the plurality of light guiding layers from the at least one light diffusion layer and is reflected by an interface of the plurality of light guiding layers, and the reflected light is collected by the solar chips disposed on the four lateral surfaces of the plurality of light guiding layers.