Patent ID: 11908966
Assignee: CNBM RESEARCH INSTITUTE FOR ADVANCED GLASS MATERIALS GROUP CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G  Y | IPC G  H

Claim 6:
7. The solar module according to claim 1, wherein at least one optical interference layer includes exactly three refraction layers, and wherein
a first refraction layer with a first refractive index n1 is arranged on the cover plate with a refractive index nd with |n1−nd|>0.3,
a second refraction layer with a second refractive index n2 is arranged on the first refraction layer with |n2−n1|>0.3,
a third refraction layer with a third refractive index n3 is arranged on the second refraction layer with |n3−n2|>0.3,
at least one of the refractive indices n1, n2, or n3 is greater than 1.9 or greater than 2.3, and
(i) n1>n2 and n3>n2, or (ii) n1<n2 and n3<n2.