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1. (WO2014204182) SOLAR CELL

Pub. No.:    WO/2014/204182    International Application No.:    PCT/KR2014/005318
Publication Date: Thu Dec 25 00:59:59 CET 2014 International Filing Date: Wed Jun 18 01:59:59 CEST 2014
IPC: H01L 31/04
Applicants: LG INNOTEK CO., LTD.
엘지이노텍 주식회사
Inventors: JEONG, Jong Seon
A solar cell, according to one embodiment, comprises: a support substrate; a rear electrode layer formed on the support substrate; an optical absorption layer formed on the rear electrode layer; a buffer layer formed on the optical absorption layer; a front electrode layer formed on the buffer layer; and a fourth through groove passing through the rear electrode layer, the optical absorption layer, the buffer layer and the front electrode layer, wherein the fourth through groove is formed by being inclined with respect to the upper surface of the support substrate.