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:
May. 23, 2017
Filed:
Mar. 06, 2013
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Seung Hoon Nam, Seoul, KR;
Jung In Jang, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01); H01L 31/0236 (2006.01); H01L 31/0224 (2006.01); H01L 31/032 (2006.01); H01L 31/0392 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02366 (2013.01); H01L 31/022466 (2013.01); H01L 31/0322 (2013.01); H01L 31/0392 (2013.01); H01L 31/03923 (2013.01); H01L 31/03925 (2013.01); H01L 31/03926 (2013.01); Y02E 10/541 (2013.01);
Abstract
A solar cell apparatus according to the embodiment includes a support substrate including a plurality of patterns; a back electrode layer on the support substrate; a light absorbing layer on the back electrode layer; a buffer layer on the light absorbing layer; and a front electrode layer on the buffer layer, wherein the patterns are formed in an undercut structure including a first inner side surface, a second inner side surface and a bottom surface.