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:
Jan. 28, 2020
Filed:
May. 21, 2015
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A solar cell is provided that comprising a semiconductor substrate having a first conductivity type; a first semiconductor layer having the first conductivity type, and on a principal surface of the semiconductor substrate; an insulation layer on the first semiconductor layer; a protective layer on the insulation layer; and a second semiconductor layer having a second conductivity type, and on the semiconductor substrate and the protective layer. A recessed region is positioned at a lateral side of the insulation layer, the recessed region formed by recessing a side surface of the insulation layer inward from a side surface of the first semiconductor layer and a side surface of the protective layer, and the second semiconductor layer is positioned in the recessed region above the first semiconductor layer in the recessed region.