公开(公告)号：US20230092881A1

公开(公告)日：2023-03-23

申请号：US17909321

申请日：2020-11-27

Applicant: LG ELECTRONICS INC.

Inventor： Kyoungsoo LEE ,  Giwon LEE ,  Goohwan SHIM

IPC: H01G9/20 ,  H01L51/42 ,  H01L51/44

Abstract: A solar cell according to the present embodiment may have a tandem structure comprising a photovoltaic part, wherein the photovoltaic part comprises: a first photovoltaic part comprising: a photovoltaic layer composed of a perovskite compound; and a second photovoltaic part comprising a semiconductor substrate. Here, in the second photovoltaic part, a first semiconductor layer and a second semiconductor layer, which are formed separately from the semiconductor substrate on one side or the other side of the semiconductor substrate, may have different structures from each other.

公开(公告)号：US20220209039A1

公开(公告)日：2022-06-30

申请号：US17414223

申请日：2019-10-24

Applicant: LG Electronics Inc.

Inventor： Giwon LEE ,  Goohwan SHIM

IPC: H01L31/0725 ,  H01L31/0224 ,  H01L31/0368 ,  H01G9/20 ,  H01L31/0216 ,  H01L31/0236 ,  H01L31/18

Abstract: The present invention relates to a tandem solar cell which comprises: a perovskite solar cell comprising a perovskite absorption layer; a silicon solar cell placed under the perovskite solar cell; a junction layer placed between the perovskite solar cell and the silicon solar cell; an upper electrode placed on the perovskite solar cell; and a lower electrode placed under the silicon solar cell.

公开(公告)号：US20140099747A1

公开(公告)日：2014-04-10

申请号：US14041907

申请日：2013-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Yoonsil JIN ,  Goohwan SHIM ,  Youngho CHOE ,  Changseo PARK

IPC: H01L31/0236 ,  H01L31/18

CPC classification number: H01L31/02366 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/02363 ,  H01L31/068 ,  H01L31/18 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: A semiconductor device includes a substrate and a first insulating layer. The first insulating layer includes a first lower layer and a first upper layer on the first lower layer. The first insulating layer has a first opening through the first lower layer and the first upper layer. A maximum width of the first opening at the first lower layer is different from a maximum width of the first opening at the first upper layer.

Abstract translation: 半导体器件包括衬底和第一绝缘层。 第一绝缘层包括第一下层和第一下层上的第一上层。 第一绝缘层具有穿过第一下层和第一上层的第一开口。 第一下层的第一开口的最大宽度不同于第一上层的第一开口的最大宽度。

公开(公告)号：US20150270415A1

公开(公告)日：2015-09-24

申请号：US14729857

申请日：2015-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Yoonsil JIN ,  Goohwan SHIM ,  Youngho CHOE ,  Changseo PARK

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

CPC classification number: H01L31/02366 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/02363 ,  H01L31/068 ,  H01L31/18 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: A semiconductor device includes a substrate and a first insulating layer. The first insulating layer includes a first lower layer and a first upper layer on the first lower layer. The first insulating layer has a first opening through the first lower layer and the first upper layer. A maximum width of the first opening at the first lower layer is different from a maximum width of the first opening at the first upper layer.

Abstract translation: 半导体器件包括衬底和第一绝缘层。 第一绝缘层包括第一下层和第一下层上的第一上层。 第一绝缘层具有穿过第一下层和第一上层的第一开口。 第一下层的第一开口的最大宽度不同于第一上层的第一开口的最大宽度。

公开(公告)号：US20220109077A1

公开(公告)日：2022-04-07

申请号：US17299594

申请日：2019-04-12

Applicant: LG Electronics Inc.

Inventor： Goohwan SHIM ,  Youngsung YANG

IPC: H01L31/048 ,  H01L21/324 ,  H01L31/0224 ,  H01L31/18

Abstract: The present invention relates to a method for manufacturing a solar cell, the method comprising the steps of: preparing a substrate; forming an adhesive layer on the substrate; and forming, on the adhesive layer, a perovskite solar cell having a perovskite absorption layer, wherein an optical treatment step of providing light is performed at least once between the step of preparing the substrate and the step of forming the perovskite solar cell.

公开(公告)号：US20180233621A1

公开(公告)日：2018-08-16

申请号：US15950477

申请日：2018-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Goohwan SHIM ,  Changseo PARK ,  Philwon YOON ,  Yoonsil JIN ,  Jinsung KIM ,  Youngho CHOE ,  Jaewon CHANG

IPC: H01L31/18 ,  H01L31/068 ,  H01L31/0224 ,  H01L31/0216

Abstract: A method for manufacturing a solar cell includes forming an emitter layer on a first surface of a substrate, forming a back surface field layer on a second surface opposite the first surface of the substrate, forming a first anti-reflection layer on the emitter layer, forming a second anti-reflection layer on the back surface field layer, and forming a plurality of first electrodes each including a first metal seed layer and a first conductive layer on a plurality of first contact regions of the first anti-reflection film and a plurality of second electrodes each including a second metal seed layer and a second conductive layer on a plurality of second contact regions of the second anti-reflection film, the plurality of first contact regions being partially formed at the first anti-reflection layer and each having a first width.

公开(公告)号：US20170323988A1

公开(公告)日：2017-11-09

申请号：US15584775

申请日：2017-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Bojoong KIM ,  Minpyo KIM ,  Hyunjung PARK ,  Goohwan SHIM ,  Hyeyoung YANG ,  Joonhan KWON ,  Daeseon HYUN ,  Byungjun KANG

IPC: H01L31/042 ,  H01L27/142 ,  H02S40/36 ,  H01L31/02 ,  H01L31/0224 ,  H01L31/048

CPC classification number: H01L31/042 ,  H01L27/142 ,  H01L31/02008 ,  H01L31/022425 ,  H01L31/048 ,  H01L31/0508 ,  H02S40/22 ,  H02S40/36 ,  Y02E10/50 ,  Y02E10/52

Abstract: A solar cell module includes a plurality of cell strings having a plurality of solar cells, each solar cell having a semiconductor substrate, and a first conductivity-type electrode and a second conductivity-type electrode provided on a first surface of the semiconductor substrate, an interconnector electrically connecting a first conductivity-type electrode of a first solar cell, among the plurality of solar cells included in the plurality of cell strings, and a second conductivity-type electrode of a second solar cell adjacent to the first solar cell in a first direction, to connect the first and second solar cells in series, and a first shield positioned on a front surface of the interconnector between the first and second solar cells, and extending in a second direction crossing the first direction.

公开(公告)号：US20140360570A1

公开(公告)日：2014-12-11

申请号：US14295662

申请日：2014-06-04

Applicant: LG ELECTRONICS INC.

Inventor： Hayan BAEK ,  Junghoon CHOI ,  Goohwan SHIM

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/022425 ,  H01L31/02167 ,  H01L31/022441 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/072 ,  H01L31/18 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: The manufacturing method of a solar cell includes forming a photoelectric conversion unit and forming an electrode connected to the photoelectric conversion unit. The step of forming the electrode includes forming a seed formation layer connected to the photoelectric conversion unit, forming an anti-oxidation layer on the seed formation layer, performing a thermal process such that a material of the seed formation layer and a material of the photoelectric conversion unit react with each other to form a chemical bonding layer at a portion at which the seed formation layer and the photoelectric conversion unit are adjacent to each other, forming a conductive layer and a capping layer on the seed formation layer in a state in which a mask is used on the seed formation layer, and patterning the seed formation layer using either the conductive layer or the capping layer as a mask.

Abstract translation: 太阳能电池的制造方法包括形成光电转换单元并形成连接到光电转换单元的电极。 形成电极的步骤包括形成连接到光电转换单元的种子形成层，在种子形成层上形成抗氧化层，进行热处理，使得种子形成层的材料和光电 转换单元彼此反应以在种子形成层和光电转换单元彼此相邻的部分处形成化学键合层，在种子形成层上形成导电层和覆盖层，其状态是 在种子形成层上使用掩模，并且使用导电层或覆盖层作为掩模来对种子形成层进行图案化。

公开(公告)号：US20140116507A1

公开(公告)日：2014-05-01

申请号：US14146561

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Goohwan SHIM ,  Changseo PARK ,  Philwon YOON ,  Yoonsil JIN ,  Jinsung KIM ,  Youngho CHOE ,  Jaewon CHANG

IPC: H01L31/0216 ,  H01L31/068 ,  H01L31/0224

CPC classification number: H01L31/18 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  H01L31/0684 ,  Y02E10/547

Abstract: A solar cell and a method for manufacturing the same are disclosed. The solar cell may include a substrate, an emitter layer positioned at a first surface of the substrate, a first anti-reflection layer that is positioned on a surface of the emitter layer and may include a plurality of first contact lines exposing a portion of the emitter layer, a first electrode that is electrically connected to the emitter layer exposed through the plurality of first contact lines and may include a plating layer directly contacting the emitter layer, and a second electrode positioned on a second surface of the substrate.

Abstract translation: 公开了一种太阳能电池及其制造方法。 太阳能电池可以包括衬底，位于衬底的第一表面处的发射极层，位于发射极层的表面上的第一抗反射层，并且可以包括多个第一接触线， 发射极层，电连接到通过多个第一接触线暴露的发射极层的第一电极，并且可以包括直接接触发射极层的镀层和位于基板的第二表面上的第二电极。