Photovoltaic power generation module
Disclosed is a photovoltaic power generation module having a single layer structure in which a pattern glass and a solar cell module are integrated. The disclosed photovoltaic power generation module comprises: a pattern glass comprising a base member, and a pattern member provided thereon in which an optical pattern is formed; a solar cell module provided with a solar cell; a plurality of supportive adhering parts in a pillar shape adhered to the pattern member; and a filler filled between the supportive adhering part and the solar cell module, wherein the pattern glass and the solar cell module are integrated through the supportive adhering parts and the filler, and the height of the supportive adhering parts are configured to be greater than the height of the pattern member so that a gap for forming an air layer between the pattern member and the filler can be provided.
1. A photovoltaic power generation module, comprising:
a pattern glass including a base member, and a pattern member provided on the base member and including an optical pattern formed thereon;
a solar cell module including a solar cell;
a plurality of supportive adhering parts adhered to the pattern member and each having a cylindrical shape; and
a filler filling a space between the supportive adhering parts and the solar cell module,
wherein the pattern glass and the solar cell module are integrated with each other through the supportive adhering parts and the filler,
wherein a height of the supportive adhering parts is formed to be higher than a height of the pattern member such that a gap for forming an air layer between the pattern member and the filler is provided, and
wherein an overall area of the supportive adhering parts is 5% to 13% of an area of the pattern member.
2. The photovoltaic power generation module of claim 1 , wherein the optical pattern includes an asymmetrical prism.
3. The photovoltaic power generation module of claim 1 , wherein the optical pattern has a shape in which transmittance is higher and reflectance is lower at a viewing angle on one side than at a viewing angle on the other side with reference to a surface perpendicular to the base member.
4. The photovoltaic power generation module of claim 1 , wherein the gap is within a range of 10-1000 μm.
5. The photovoltaic power generation module of claim 1 , wherein the filler includes an acetate-based or silicone-based material.
6. The photovoltaic power generation module of claim 1 , wherein the supportive adhering parts include an optically clear adhesive (OCA).
7. The photovoltaic power generation module of claim 1 , wherein the supportive adhering parts include a light scattering agent.
8. The photovoltaic power generation module of claim 7 , wherein the light scattering agent is included in the supportive adhering parts by 5-60 weight %.
9. The photovoltaic power generation module of claim 1 , wherein the supportive adhering parts include a color pigment.
10. The photovoltaic power generation module of claim 9 , wherein the color pigment is included in the supportive adhering parts by 3-30 weight %.
11. The photovoltaic power generation module of claim 1 ,
wherein the photovoltaic power generation module includes a glass for protecting the solar cell, and
wherein the filler fills a space between the glass and the supportive adhering parts.