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:
Dec. 23, 2014
Filed:
Dec. 10, 2009
Gug-il Jun, Hwaseong-si, KR;
Woo-su Lee, Asan-si, KR;
Dong-seop Kim, Seoul, KR;
Jin-seock Kim, Cheonan-si, KR;
Byoung-dong Kim, Asan-si, KR;
Kang-hee Lee, Hwaseong-si, KR;
Dong-gi Ahn, Seoul, KR;
Byung-joo Lee, Seoul, KR;
Hyoung-jin Park, Seoul, KR;
In-ki Kim, Seoul, KR;
Gug-Il Jun, Hwaseong-si, KR;
Woo-Su Lee, Asan-si, KR;
Dong-Seop Kim, Seoul, KR;
Jin-Seock Kim, Cheonan-si, KR;
Byoung-Dong Kim, Asan-si, KR;
Kang-Hee Lee, Hwaseong-si, KR;
Dong-Gi Ahn, Seoul, KR;
Byung-Joo Lee, Seoul, KR;
Hyoung-Jin Park, Seoul, KR;
In-Ki Kim, Seoul, KR;
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Abstract
A solar cell and a method of fabricating the same are provided according to one or more embodiments. According to an embodiment, the solar cell includes a substrate, a back electrode layer formed on the substrate, a light absorbing layer formed on the back electrode layer, and a transparent electrode layer formed on the light absorbing layer, wherein the light absorbing layer is comprised of copper (Cu), gallium (Ga), indium (In), sulfur (S), and selenium (Se) and includes a first concentration region in which concentrations of sulfur (S) gradually decrease in the light absorbing layer going in a first direction from the back electrode layer to the transparent electrode layer.