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. 12, 2016
Filed:
Apr. 23, 2013
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Jong Hyun Kim, Seoul, KR;
Chan Yeong Park, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01); H01L 31/0352 (2006.01); H01L 31/0392 (2006.01); H01L 31/0463 (2014.01); H01L 31/05 (2014.01); H01L 31/0725 (2012.01);
U.S. Cl.
CPC ...
H01L 31/035281 (2013.01); H01L 31/03923 (2013.01); H01L 31/0463 (2014.12); H01L 31/0508 (2013.01); H01L 31/0725 (2013.01); Y02E 10/541 (2013.01);
Abstract
A photovoltaic apparatus includes a support substrate; a back electrode layer on the support substrate; a light absorbing layer on the back electrode layer; and a front electrode layer on the light absorbing layer, wherein the support substrate comprises: a base layer; a first stepped portion on the base layer; and a second stepped portion disposed aside the first stepped portion on the base layer, and wherein the second stepped portion is thicker than the first stepped portion.