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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A concentrator-type photovoltaic module includes a module enclosure having a rigid surface, and a flexible backplane within the enclosure and laminated to the rigid surface by an adhesive layer. The flexible backplane includes an array of interposer substrates having transfer-printed solar cells thereon and an interconnect network that provides electrical connections to the solar cells. A respective secondary spherical lens element is provided on respective ones of the solar cells within the enclosure. An optically transparent encapsulation layer may be provided on the secondary lens element of the respective ones of the solar cells, such that the secondary lens element including the encapsulation layer thereon has a different refractive index. A primary lens element is attached to the enclosure opposite to and spaced-apart from the rigid surface, and is positioned to concentrate light onto the respective ones of the solar cells through the secondary lens element thereon.
Seel, Steven (Cary, NC), Menard, Etienne (Durham, NC), Kneeburg, David (Durham, NC), Kendrick, Baron (Cary, NC), Furman, Bruce (Plattsburgh, NY), Wagner, Wolfgang (Chapel Hill, NC), Jasinski, Ray (Chapel Hill, NC), Burroughs, Scott (Raleigh, NC)
13/ 705,980
December 5, 2012
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was made in cooperation with the U.S. Department of Energy under Contract No. NAT-0-99013-01. The U.S. government has certain rights in this invention.