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. 30, 2016
Filed:
Jan. 24, 2014
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Seiki Teraji, Ibaraki, JP;
Kazunori Kawamura, Ibaraki, JP;
Yusuke Yamamoto, Ibaraki, JP;
Hiroto Nishii, Ibaraki, JP;
Taichi Watanabe, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01); H01L 31/0392 (2006.01); C23C 14/06 (2006.01); H01L 31/0749 (2012.01);
U.S. Cl.
CPC ...
H01L 31/03923 (2013.01); C23C 14/06 (2013.01); H01L 31/0749 (2013.01); Y02E 10/541 (2013.01);
Abstract
A CIGS type compound solar cell excellent in both productivity and conversion efficiency is provided. The CIGS type solar cell includes a CIGS light absorbing layer, a buffer layer and a transparent electrode layer provided in this order on a substrate. The buffer layer is made of a mixed crystal compound containing ZnO, MgO and ZnS being present at specific ranges respectively.