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. 15, 2013
Filed:
Oct. 20, 2009
Min-seok OH, Yongin-si, KR;
Byoung-kyu Lee, Suwon-si, KR;
Min Park, Seoul, KR;
Czang-ho Lee, Hwasung-si, KR;
Myung-hun Shin, Suwon-si, KR;
Yuk-hyun Nam, Goyang-si, KR;
Seung-jae Jung, Seoul, KR;
Mi-hwa Lim, Chungcheongnam-do, KR;
Joon-young Seo, Seoul, KR;
Min-Seok Oh, Yongin-si, KR;
Byoung-Kyu Lee, Suwon-si, KR;
Min Park, Seoul, KR;
Czang-Ho Lee, Hwasung-si, KR;
Myung-Hun Shin, Suwon-si, KR;
Yuk-Hyun Nam, Goyang-si, KR;
Seung-Jae Jung, Seoul, KR;
Mi-Hwa Lim, Chungcheongnam-do, KR;
Joon-Young Seo, Seoul, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A solar cell includes: a semiconductor substrate having a first surface and a second surface opposite the first surface; uneven patterns disposed on at least one of the first surface and the second surface of the semiconductor substrate; a first impurity layer disposed on the uneven patterns and which includes a first part having a first doping concentration and a second part having a second doping concentration greater than the first doping concentration; and a first electrode which contacts the second part of the first impurity layer and does not contact the first part of the first impurity layer.