Patent ID: 11916158
Assignee: ZHEJIANG JINKO SOLAR CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A photovoltaic module, comprising:
a solar cell string having a front surface and a rear surface arranged opposite to each other;
a first encapsulation adhesive film located on the rear surface of the solar cell string; and
a back panel located on a rear surface of the first encapsulation adhesive film,
wherein the back panel comprises a flat plate and first embossing structures on a rear surface of the flat plate,
each of the first embossing structures is a pyramidal microstructure comprising: a polygonal base on the rear surface of the flat plate, an apex pointing away from the rear surface of the flat plate, and a side surface,
the first embossing structures are exposed to external air, and the front surface of the solar cell string is a light-receiving surface, and
wherein the photovoltaic module further comprises second embossing structures on a front surface of the flat plate, wherein each of the second embossing structures is a pyramidal microstructure comprising: a polygonal base on the front surface of the flat plate, an apex pointing away from the front surface of the flat plate, and a side surface.