The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2004
Filed:
Sep. 20, 2001
Applicant:
Inventors:
David E. Carlson, Williamsburg, VA (US);
Guang H. Lin, Ellicott City, MD (US);
Gautam Ganguly, Williamsburg, VA (US);
Assignee:
BP Corporation North America Inc., Warrenville, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 3/1024 ; H01L 3/10312 ; H01L 3/10376 ;
U.S. Cl.
CPC ...
H01L 3/1024 ; H01L 3/10312 ; H01L 3/10376 ;
Abstract
This invention is a photovoltaic device comprising an intrinsic or i-layer of amorphous silicon and where the photovoltaic device is more efficient at converting light energy to electric energy at high operating temperatures than at low operating temperatures. The photovoltaic devices of this invention are suitable for use in high temperature operating environments.