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:
Jul. 07, 2009
Filed:
Jan. 12, 2005
Yasuhito Takahashi, Hirakata, JP;
Yukiyoshi Ono, Bunkyo-ku, JP;
Yasuhito Takahashi, Hirakata, JP;
Yukiyoshi Ono, Bunkyo-ku, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A solar cell is configured to include: a substrate (); a conductive film () formed on the substrate (); a compound semiconductor layer () formed on the conductive film (), including a p-type semiconductor crystal containing an element of Group Ib, an element of Group IIIb, and an element of Group VIb; a n-type window layer () formed on the compound semiconductor layer (), having apertures (); and a n-type transparent conductive film formed on the n-type window layer () and on portions of the compound semiconductor layer () at the apertures of the n-type window layer (). The compound semiconductor layer () includes high-resistance parts (B), in portions of the compound semiconductor layer () in the vicinity of a surface thereof on a side opposite to the conductive film (), and the high-resistance parts (B) contain a n-type impurity doped in the p-type semiconductor crystal. The high-resistance parts (B) are located under the apertures () of the n-type window layer (), respectively.