公开(公告)号：US20180315866A1

公开(公告)日：2018-11-01

申请号：US15962697

申请日：2018-04-25

Applicant: LG ELECTRONICS INC.

Inventor： Juhwa CHEONG ,  Yundeok YOON ,  Jaesung KIM ,  Junyong AHN

IPC: H01L31/0236 ,  H01L31/18

Abstract: Disclosed is a solar cell including: a semiconductor substrate; a first conductive region formed at a first surface of the semiconductor substrate and having a first conductivity type; a second conductive region formed on a second surface of the semiconductor substrate opposite to the first surface, and having a second conductivity type opposite to the first conductivity type, wherein the second conductive region including a semiconductor layer different and separated from the semiconductor substrate; a first electrode electrically connected to the first conductive region; and a second electrode electrically connected to the second conductive region. The second surface of the semiconductor substrate has a rounded uneven member having a rounded end portion.

公开(公告)号：US20200350445A1

公开(公告)日：2020-11-05

申请号：US16933363

申请日：2020-07-20

Applicant: LG ELECTRONICS INC.

Inventor： Juhwa CHEONG ,  Yundeok YOON ,  Jaesung KIM ,  Junyong AHN

IPC: H01L31/0236 ,  H01L31/18 ,  H01L31/068

Abstract: A method of manufacturing a solar cell, includes forming a rounded uneven member having a rounded end portion at a second surface of a semiconductor substrate having a first surface and the second surface opposite to each other, forming conductive regions comprising forming a first conductive region at the first surface of the semiconductor substrate and forming a second conductive region on the second surface of the semiconductor substrate, wherein the second conductive region comprises a semiconductor layer different and separated from the semiconductor substrate and forming electrodes comprising forming a first electrode electrically connected to the first conductive region and forming a second electrode electrically connected to the second conductive region.