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:
Oct. 15, 2024
Filed:
Oct. 23, 2019
Applicant:
First Solar, Inc., Tempe, AZ (US);
Inventors:
Le Chen, Fremont, CA (US);
Sachit Grover, Campbell, CA (US);
Jason Kephart, San Jose, CA (US);
Sergei Kniajanski, Clifton Park, NY (US);
Chungho Lee, San Jose, CA (US);
Xiaoping Li, Santa Clara, CA (US);
Feng Liao, Perrysburg, OH (US);
Dingyuan Lu, San Jose, CA (US);
Rajni Mallick, Fremont, CA (US);
Wenming Wang, Toledo, OH (US);
Gang Xiong, Santa Clara, CA (US);
Wei Zhang, San Jose, CA (US);
Assignee:
First Solar, Inc., Tempe, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0216 (2014.01); H01L 31/0296 (2006.01); H01L 31/073 (2012.01);
U.S. Cl.
CPC ...
H01L 31/02167 (2013.01); H01L 31/02963 (2013.01); H01L 31/073 (2013.01);
Abstract
According to the embodiments provided herein, a photovoltaic device can include a buffer layer adjacent to an absorber layer doped p-type with a group V dopant. The buffer layer can have a plurality of layers compatible with group V dopants.