公开(公告)号：US20180182905A1

公开(公告)日：2018-06-28

申请号：US15849060

申请日：2017-12-20

Applicant: LG Electronics Inc.

Inventor： Jeongbeom NAM ,  Joohyun KOH ,  Jisoo KO ,  Dohwan YANG

IPC: H01L31/0216 ,  H01L31/0224 ,  H01L31/18 ,  H01L31/0236

CPC classification number: H01L31/02167 ,  H01L31/022441 ,  H01L31/02363 ,  H01L31/0352 ,  H01L31/0516 ,  H01L31/0745 ,  H01L31/0747 ,  H01L31/1868 ,  Y02E10/50 ,  Y02P70/521

Abstract: Disclosed is a solar cell including a plurality of first electrodes electrically connected to a plurality of first conductive regions; and a plurality of second electrodes electrically connected to a plurality of second conductive regions. The plurality of first conductive regions and the plurality of second conductive regions are spaced apart from an edge of a semiconductor substrate by a first interval, the plurality of first conductive regions and the plurality of second conductive regions are spaced apart from each other in a second direction crossing a first direction by a second interval, and the second interval is the same as or less than the first interval.

公开(公告)号：US20190296163A1

公开(公告)日：2019-09-26

申请号：US16430018

申请日：2019-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Jaewoo CHOI ,  Chungyi KIM ,  Joohyun KOH

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/0216

Abstract: A solar cell includes a semiconductor substrate; a conductive region on or at the semiconductor substrate; an electrode electrically connected to the conductive region; and a silicon oxynitride layer on a light incident surface of the semiconductor substrate, wherein the silicon oxynitride layer comprises a first phase region having a first oxygen content and a first nitrogen content; a second phase region having a second oxygen content higher than the first oxygen content and a second nitrogen content lower than the first nitrogen content; and a third phase region having a third oxygen content lower than the second oxygen content and a third nitrogen content lower than the second nitrogen content.

公开(公告)号：US20180204962A1

公开(公告)日：2018-07-19

申请号：US15858798

申请日：2017-12-29

Applicant: LG ELECTRONICS INC.

Inventor： Jaewoo CHOI ,  Chungyi KIM ,  Joohyun KOH

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/0216

CPC classification number: H01L31/022425 ,  H01L31/02168 ,  H01L31/1868 ,  Y02E10/50 ,  Y02P70/521

Abstract: Disclosed is a solar cell including: a semiconductor substrate; a conductive region on or at the semiconductor substrate; an electrode electrically connected to the conductive region; and a passivation layer on a light incident surface of the semiconductor substrate. The passivation layer includes a first layer in contact with the light incident surface of the semiconductor substrate and formed of silicon oxynitride for ultraviolet stability. The first layer includes a plurality of phases of the silicon oxynitride, and the plurality of phases are formed of the silicon oxynitride having different compositions.