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:
Apr. 14, 2025
Filed:
Sep. 04, 2014
Applicant:
Trina Solar Co., Ltd., Changzhou, CN;
Inventors:
Assignee:
Trina Solar Co., Ltd., Changzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0352 (2005.12); H01L 31/068 (2011.12);
U.S. Cl.
CPC ...
H01L 31/03529 (2012.12); H01L 31/068 (2012.12); Y02E 10/547 (2012.12);
Abstract
Discussed is a solar cell including a semiconductor substrate comprising a base region, an emitter region having a conductive type opposite to that of the base region, and a back surface field region having the same conductive type as the base region and a higher doping concentration than the base region, and a first electrode and a second electrode respectively connected to the emitter region and the back surface field region, wherein the base region has a specific resistance of 0.3 Ωcm to 2.5 Ωcm.