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. 01, 2018
Filed:
Jun. 17, 2014
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventor:
Jong Seon Jeong, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/042 (2014.01); H01L 31/0224 (2006.01); H01L 31/0463 (2014.01);
U.S. Cl.
CPC ...
H01L 31/022425 (2013.01); H01L 31/0463 (2014.12); Y02E 10/50 (2013.01);
Abstract
A solar cell includes a support substrate; a back electrode layer on the a support substrate; a light absorbing layer on the back electrode layer; a buffer layer on the light absorbing layer; a front electrode layer on the buffer layer; and a fourth through hole formed through the back electrode layer, the light absorbing layer, the buffer layer and the front electrode layer, wherein at least a portion of the fourth through hole is inclined with respect to a top surface of the support substrate.