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:
Dec. 30, 2014
Filed:
Mar. 19, 2009
Applicants:
Shogo Ishizuka, Tsukuba, JP;
Shigeru Niki, Tsukuba, JP;
Nobuaki Kido, Tokyo, JP;
Hiroyuki Honmoto, Iwakuni, JP;
Inventors:
Shogo Ishizuka, Tsukuba, JP;
Shigeru Niki, Tsukuba, JP;
Nobuaki Kido, Tokyo, JP;
Hiroyuki Honmoto, Iwakuni, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0336 (2006.01); H01L 31/0392 (2006.01);
U.S. Cl.
CPC ...
H01L 31/03923 (2013.01); Y02E 10/541 (2013.01);
Abstract
There is provided a solar cell in which a lower electrode layer, a photoelectric conversion layer having a chalcopyrite structure that includes a Group Ib element, a Group IIIb element, and a Group VIb element, and an upper electrode layer are sequentially formed on top of a substrate, wherein the solar cell is provided with a silicate layer between the substrate and the lower electrode layer.