公开(公告)号：US10651331B2

公开(公告)日：2020-05-12

申请号：US14866447

申请日：2015-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Hyunjung Park ,  Jiweon Jeong

IPC: H01L31/055 ,  H01L31/0216 ,  H01L31/048 ,  H01L31/0296

Abstract: A solar cell includes at least one photoelectric conversion layer; and at least one layer provided on a surface of the photoelectric conversion layer upon which light is incident, wherein the at least one layer contains semiconductor nanocrystals.

公开(公告)号：US09343599B2

公开(公告)日：2016-05-17

申请号：US14146501

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Juhwa Cheong ,  Hyunjung Park ,  Junyong Ahn ,  Seongeun Lee ,  Jiweon Jeong

IPC: H01L31/00 ,  H01L31/0236 ,  H01L31/0216 ,  H01L31/18

CPC classification number: H01L31/02363 ,  H01L31/02168 ,  H01L31/18 ,  Y02E10/50 ,  Y02E10/52

Abstract: A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO3, and up to about 30 wt % of acetic acid based on total weight of the etchant.

Abstract translation: 太阳能电池的制造方法包括在基板的表面上不均匀地形成锯齿状的部分，在基板上形成第一型半导体和第二型半导体，形成与第一型半导体接触的第一电极，形成第二 电极接触第二类型半导体。 在制造太阳能电池的湿式蚀刻工艺中使用的蚀刻剂包括约0.5重量％至10重量％的HF，约30重量％至60重量％的HNO 3和至多约30重量％的基于总重量的乙酸 的蚀刻剂。

公开(公告)号：US11456391B2

公开(公告)日：2022-09-27

申请号：US16456575

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Kyungjin Shim ,  Hyunjung Park ,  Junghoon Choi

IPC: H01L31/0747 ,  H01L31/0216 ,  H01L31/18 ,  C23C16/24 ,  H01L21/48

Abstract: A solar cell includes a silicon substrate, an emitter area formed on a front surface of the silicon substrate, a tunneling oxide layer formed on a back surface of the silicon substrate, a back surface field area formed on the tunneling oxide layer and formed of a polycrystalline silicon layer, a back passivation film formed on the back surface field area and having an opening, and a back electrode connected to the back surface field area via the opening.

公开(公告)号：US11329172B2

公开(公告)日：2022-05-10

申请号：US16456607

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Kyungjin Shim ,  Hyunjung Park ,  Junghoon Choi

IPC: H01L31/0216 ,  H01L31/0747 ,  H01L31/18 ,  C23C16/24 ,  H01L21/48

Abstract: A bi-facial solar cell includes a silicon substrate, a first doped region formed on a front surface of the silicon substrate, an oxide layer formed on a back surface of the silicon substrate, a second doped region formed on the oxide layer and formed of a polycrystalline silicon layer, a first passivation layer formed on the first doped region, a first anti-reflection layer formed on the first passivation layer, a plurality of first finger electrodes connected to the first doped region through a first opening in the first passivation layer and the first anti-reflection layer, a second passivation layer formed on the second doped region, a second anti-reflection layer formed on the second passivation layer, and a plurality of second finger electrodes connected to the second doped region through a second opening in the second passivation layer and the second anti-reflection layer.

公开(公告)号：US10566484B2

公开(公告)日：2020-02-18

申请号：US14278827

申请日：2014-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Minho Choi ,  Hyunjung Park ,  Junghoon Choi ,  Youngho Choe

IPC: H01L31/068 ,  H01L31/0224 ,  H01L31/0747 ,  H01L31/18

Abstract: Discussed is a solar cell including a semiconductor substrate including a base area and a doping area, a doping layer formed on the semiconductor substrate, the doping layer having a conductive type different from the doping area, a tunneling layer interposed between the doping layer and the semiconductor substrate, a first electrode connected to the doping area, and a second electrode connected to the doping layer.

公开(公告)号：US11482629B2

公开(公告)日：2022-10-25

申请号：US16456621

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Kyungjin Shim ,  Hyunjung Park ,  Junghoon Choi

IPC: H01L31/0216 ,  H01L31/0747 ,  H01L31/18 ,  H01L21/48 ,  C23C16/24

Abstract: A method for manufacturing a solar cell, includes providing a silicon substrate, forming an oxide layer on a first surface of the silicon substrate, forming a doped polycrystalline silicon layer on the oxide layer, forming a passivation layer on the doped polycrystalline silicon layer, printing a metal paste on the passivation layer, and forming a metal contact connected to the doped polycrystalline silicon layer by firing the metal paste to penetrate the passivation layer.

公开(公告)号：US11114576B2

公开(公告)日：2021-09-07

申请号：US16433960

申请日：2019-06-06

Applicant: LG ELECTRONICS INC.

Inventor： Bojoong Kim ,  Minpyo Kim ,  Daeseon Hyun ,  Hyunjung Park ,  Ahreum Lee ,  Youshin Han ,  Youngdo Kim

IPC: H01L31/0224 ,  H01L31/05 ,  H01L31/068 ,  H01L31/0745

Abstract: A solar cell module includes a plurality of first conductive lines connected to a first electrode of a first solar cell and extended in a first direction; a plurality of second conductive lines connected to a second electrode of a second solar cell adjacent with the first solar cell and extended in the first direction; and an intercell connector spaced apart from the first solar cell and the second solar cell and extended in a second direction crossing the first direction, the intercell connector including a first connection portion connected with the plurality of first conductive lines and a second connection portion connected with the plurality of second conductive lines, wherein a separation distance between the first solar cell and the first connection portion is closer than a separation distance between the second solar cell and a part of the intercell connector positioned on the same line as the first connection portion.

公开(公告)号：US10833210B2

公开(公告)日：2020-11-10

申请号：US14323986

申请日：2014-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyungjin Kwon ,  Hyunjung Park ,  Junghoon Choi ,  Changseo Park

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/068 ,  H01L31/028

Abstract: Discussed is a solar cell including a semiconductor substrate, a tunneling layer formed on one surface of the semiconductor substrate, a first conductive semiconductor layer formed on a surface of the tunneling layer and a second conductive semiconductor layer formed on the surface the tunneling layer. A separation portion separates the first and second conductive semiconductor layers from each other, and is formed on the surface of the tunneling layer at a location corresponding to at least a portion of a boundary between the first and second conductive semiconductor layers.

公开(公告)号：US10566483B2

公开(公告)日：2020-02-18

申请号：US15071923

申请日：2016-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Ilhyoung Jung ,  Jinah Kim ,  Hyunjung Park ,  Seunghwan Shim

IPC: H01L31/00 ,  H01L31/062 ,  H01L31/0224

Abstract: Disclosed is a solar cell including a semiconductor substrate, a first conductive area disposed on one surface of the semiconductor substrate, the first conductive area being of a first conductive type, a second conductive area of a second conductive type opposite to the first conductive type, a first electrode connected to the first conductive area, and a second electrode connected to the second conductive area. At least one of the first conductive area and the second conductive area is formed of a metal compound layer.

公开(公告)号：US10361322B2

公开(公告)日：2019-07-23

申请号：US15288220

申请日：2016-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Bojoong Kim ,  Minpyo Kim ,  Daeseon Hyun ,  Hyunjung Park ,  Ahreum Lee ,  Youshin Han ,  Youngdo Kim

IPC: H01L31/0224 ,  H01L31/05 ,  H01L31/068 ,  H01L31/0745

Abstract: A solar cell module includes a plurality of solar cells each including a semiconductor substrate and first electrodes and second electrodes extended on a back surface of the semiconductor substrate, first conductive lines connected to the first electrodes at crossings between the first electrodes and the first conductive lines through first conductive adhesive layers, second conductive lines connected to the second electrodes at crossings between the second electrodes and the second conductive lines through the first conductive adhesive layers, and an intercell connector extended between a first solar cell and a second solar cell that are adjacent to each other. The first conductive lines connected to the first solar cell and the second conductive lines connected to the second solar cell are commonly connected to the intercell connector.