Sealing sheet for back surface of solar cell, and solar cell module
US10896987B2 · kind B2 · utility
0Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2013 |
| Grant date | Jan 19, 2021 |
| Priority date | — |
| Expiry date | Jun 27, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is a sealing sheet for a back surface of a solar cell comprising only one polyester film, wherein the polyester film is composed of at least the layer A and the layer B, or the layer A, the layer B and the layer C described below, wherein the polyester film has a given whiteness and a given average reflectance of the polyester film, a given acid value of the polyester, a given thickness of the whole polyester film, a given thickness of the A layer and the B layer, and a given content of the inorganic fine particles in the whole polyester film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.