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. 25, 2022
Filed:
Mar. 27, 2019
Applicant:
Korea Institute of Science and Technology, Seoul, KR;
Inventors:
Jeung Hyun Jeong, Seoul, KR;
In Ho Kim, Seoul, KR;
Won Mok Kim, Seoul, KR;
Jong Keuk Park, Seoul, KR;
Hyeong Geun Yu, Seoul, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0725 (2012.01); H01L 31/074 (2012.01); H01L 31/0749 (2012.01); H01L 31/0224 (2006.01); H01L 31/0352 (2006.01); H01L 31/18 (2006.01); B23K 26/00 (2014.01); B23K 26/06 (2014.01); B23K 26/0622 (2014.01); B23K 26/53 (2014.01); B23K 101/40 (2006.01);
U.S. Cl.
CPC ...
H01L 31/0725 (2013.01); B23K 26/0006 (2013.01); B23K 26/0604 (2013.01); B23K 26/0624 (2015.10); B23K 26/53 (2015.10); H01L 31/022466 (2013.01); H01L 31/035281 (2013.01); H01L 31/074 (2013.01); H01L 31/0749 (2013.01); H01L 31/1864 (2013.01); H01L 31/1884 (2013.01); B23K 2101/40 (2018.08);
Abstract
Provided is a multi-junction solar cell in which two or more absorption layers having different bandgaps are stacked on one another. The multi-junction solar cell includes a first cell including a first absorption layer, and a second cell electrically connected in series onto the first cell, wherein the second cell includes a second absorption layer having a higher bandgap compared to the first absorption layer, and a plurality of recesses penetrating through the second absorption layer.