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:
Feb. 25, 2014
Filed:
Feb. 11, 2010
Applicants:
Yasuhiro Aida, Tokyo, JP;
Masato Susukida, Tokyo, JP;
Inventors:
Yasuhiro Aida, Tokyo, JP;
Masato Susukida, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01); H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A solar cell which can increase its open-circuit voltage, short-circuit current, and fill factor (F.F.), thereby enhancing its conversion efficiency is provided. The solar cell of the present invention comprises a p-type semiconductor layer and an n-type semiconductor layer, formed on the p-type semiconductor layer, containing a compound expressed by the following chemical formula (1):ZnOSSe  (1)where x≧0, y>0, and 0.2<x+y<0.65.