Transmissive thin-film solar cell module having a light-transmissive substrate, a light transmitting portion and a light-transmitting sealant

Transmissive thin-film solar cell module (1) comprising: - a light transmitting substrate (2); - a front side electrode layer (3); - a layer for photovoltaic conversion (4); - a rear side electrode layer (7), whereby these three layers are laminated sequentially on the substrate (2), to form a solar cell; - a light transmitting portion (9) projecting from the front surface electrode layer (3) over the layer of photovoltaic conversion (4) and the back electrode layer (7) extends; and - a transparent sealing layer (10, 30), the back surface electrode layer (7) is covered; - wherein the seal layer (10, 30) in the near-infrared wavelength range of 1500 to 2000 nm, a light absorptivity of 40% or more, of a glass plate (30a) with a zinc oxide film (30b) or a laminate film of a zinc oxide film (30b) and a silver film is on a surface of the glass plate (30a) and visible light within a range of 400 to 800 nm with a light transmittance of 70% or more features, and wherein the sealing layer ...