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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The present invention: is premised upon an improved photovoltaic building sheathing member ("PV device"), more particularly to a flexible high modulus photovoltaic building sheathing member, the member comprising: a flexible photovoltaie eel! assembly, a body portion comprised of a body material and connected to a peripheral edge segment of the photovoltaic cell assembly, wherein; the body portion has a cross-sectional area of at least 35 mm.sup.2 within 1 cm oft at least 95 percent of points along the peripheral edge segment; wherein the body material comprises a composition having a modulus of 1600 to 9000 MPa between a temperature of -40 to C., with a coefficient of thermal expansion (GTE) between 5.times.10.sup.-6/.degree. C. and 55.times.10.sup.-6/.degree. C. and the body portion exhibiting a warpage value of less than 15 mm.
Feng, Jie (Midland, MI), Kauffmann, Keith L. (Ypsilanti, MI), Yang, Kwanho (Midland, MI), Liu, Hua (Midland, MI), Zawisza, Jeffrey D. (Midland, MI), Lopez, Leonardo C. (Midland, MI)
14/ 355,721
November 9, 2012
[0001] This invention was made with U.S. Government support under contract DE-FC36-07G01754 awarded by the Department of Energy. The U.S. Government has certain rights in this invention.