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：US20130319517A1

公开(公告)日：2013-12-05

申请号：US13671262

申请日：2012-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Younghyun LEE ,  Sangwook PARK ,  Yoonsil JIN

IPC: H01L31/0224

CPC classification number: H01L31/022433 ,  H01L31/0224 ,  H01L31/068 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell includes a substrate, a selective emitter region which is positioned at the substrate and includes a lightly doped region and a heavily doped region, a first dielectric layer which is positioned on the selective emitter region and includes a plurality of first openings, which are separated from one another, and a plurality of second openings positioned around the plurality of first openings, a first electrode connected to the selective emitter region through the plurality of first openings and the plurality of second openings, and a second electrode which is positioned on the substrate and is connected to the substrate. The plurality of first openings and the plurality of second openings each have a different plane shape. The plane shape of the first opening has a line shape, and the plane shape of the second opening has a dot shape.

Abstract translation: 太阳能电池包括基板，选择性发射极区域，其位于基板处并且包括轻掺杂区域和重掺杂区域;第一介电层，其位于选择性发射极区域上并且包括多个第一开口， 彼此分离，并且围绕多个第一开口定位的多个第二开口，通过多个第一开口和多个第二开口连接到选择性发射极区域的第一电极和位于 衬底并连接到衬底。 多个第一开口和多个第二开口各自具有不同的平面形状。 第一开口的平面形状为线状，第二开口的平面形状为点状。

公开(公告)号：US20190393366A1

公开(公告)日：2019-12-26

申请号：US16560384

申请日：2019-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Changseo PARK ,  Yoonsil JIN ,  Youngho CHOE

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

Abstract: A bifacial solar cell includes a silicon substrate; an emitter layer; a plurality of first electrodes locally on the emitter layer; a first aluminum oxide layer on the emitter layer; a first silicon oxide layer between the first aluminum oxide layer and the emitter layer; a first anti-reflection layer on the first aluminum oxide layer; a back surface field layer on the silicon substrate; a second aluminum oxide layer on the silicon substrate; a second silicon oxide layer between the second aluminum oxide layer and the silicon substrate; a second anti-reflection layer on the second aluminum oxide layer; and a plurality of second electrodes respectively on the back surface field layers through the second anti-reflection layer, the second aluminum oxide layer and the second silicon oxide layer.

公开(公告)号：US20190088805A1

公开(公告)日：2019-03-21

申请号：US16196742

申请日：2018-11-20

Applicant: LG ELECTRONICS INC.

Inventor： Yoonsil JIN ,  Youngho CHOE

IPC: H01L31/0224 ,  H01L31/0352 ,  H01L31/068 ,  H01L31/18

Abstract: A method for fabricating a solar cell, includes forming an emitter layer by doping a first impurity having a second conductivity type, opposite a first conductivity type, on a front surface of a substrate having the first conductivity type; forming a back surface field by doping a second impurity having the first conductivity type on a rear surface of the substrate; and forming a plurality of front finger lines in contact with the emitter layer and a plurality of rear finger lines in contact with the back surface field, wherein the emitter layer has a selective emitter structure, the back surface field has a selective back surface field structure, and the number of the plurality of rear finger lines positioned on the rear surface of the substrate is different from the number of the plurality of front finger lines positioned on a front surface of the substrate.

公开(公告)号：US20140251423A1

公开(公告)日：2014-09-11

申请号：US14198069

申请日：2014-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Younghyun LEE ,  Sangwook PARK ,  Yoonsil JIN

IPC: H01L31/0224

CPC classification number: H01L31/022425 ,  H01L31/02167 ,  H01L31/02168 ,  H01L31/068 ,  Y02E10/547

Abstract: A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate, a conductive type region formed at the substrate, an insulating film formed on the conductive type region, and an electrode electrically connected to the conductive type region through openings formed in the insulating film. The electrode includes finger electrodes and at least one bus bar electrode formed in a direction crossing the finger electrodes. The bus bar electrode includes electrode parts separated from each other. The insulating film includes a plurality of openings corresponding to the electrode parts to be exposed between the electrode parts at a portion at which the bus bar electrode is disposed. The electrode parts include seed layers electrically connected to the conductive type region via the openings of the insulating film and plating layers disposed on the seed layers and the insulating film.

Abstract translation: 公开了一种太阳能电池及其制造方法。 太阳能电池包括基板，形成在基板上的导电型区域，形成在导电型区域上的绝缘膜，以及通过形成在绝缘膜上的开口电连接到导电型区域的电极。 电极包括指状电极和沿与指状电极交叉的方向形成的至少一个母线电极。 汇流条电极包括彼此分离的电极部分。 绝缘膜包括对应于在设置母线电极的部分处露出在电极部分之间的电极部分的多个开口。 电极部分包括通过绝缘膜的开口和布置在种子层和绝缘膜上的镀层与导电类型区电连接的种子层。

公开(公告)号：US20150372183A1

公开(公告)日：2015-12-24

申请号：US14841159

申请日：2015-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Yoonsil JIN ,  Hyunjung PARK ,  Youngho CHOE ,  Changseo PARK

IPC: H01L31/18 ,  H01L31/0352 ,  H01L31/068

CPC classification number: H01L31/1804 ,  H01L31/022425 ,  H01L31/035272 ,  H01L31/068 ,  H01L31/18 ,  H01L31/1864 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell is formed to have a silicon semiconductor substrate of a first conductive type; an emitter layer having a second conductive type opposite the first conductive type and formed on a first surface of the silicon semiconductor substrate; a back surface field layer having the first conductive type and formed on a second surface of the silicon semiconductor substrate opposite to the first surface; and wherein the emitter layer includes at least a first shallow doping area and the back surface field layer includes at least a second shallow doping area, and wherein a thickness of the first shallow doping area of the emitter layer is different from a thickness of the second shallow doping area of the back surface field layer.

Abstract translation: 太阳能电池被形成为具有第一导电类型的硅半导体衬底; 具有与第一导电类型相反并形成在硅半导体衬底的第一表面上的第二导电类型的发射极层; 具有第一导电类型并形成在与第一表面相对的硅半导体衬底的第二表面上的背表面场层; 并且其中所述发射极层包括至少第一浅掺杂区域，并且所述背表面场层包括至少第二浅掺杂区域，并且其中所述发射极层的所述第一浅掺杂区域的厚度不同于所述第二浅掺杂区域的厚度 背面场层的浅掺杂区域。

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：US20130269777A1

公开(公告)日：2013-10-17

申请号：US13767748

申请日：2013-02-14

Applicant: LG ELECTRONICS INC.

Inventor： Yoonsil JIN ,  Heejin NAM ,  Sangwook PARK

IPC: H01L31/068 ,  H01L31/18

CPC classification number: H01L31/022441 ,  H01L31/02168 ,  H01L31/068 ,  H01L31/18 ,  H01L31/1804 ,  H01L31/1868 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell according to an embodiment of the invention includes a semiconductor substrate; an emitter layer formed at the semiconductor substrate, wherein the emitter layer includes a first portion of a first resistance and a second portion of a second resistance higher than the first resistance, wherein the first portion includes a first dopant and a second dopant having the same conductive type and the second portion including the second dopant; a passivation layer formed on the emitter layer, wherein the passivation layer includes the first dopant; and an electrode electrically connected to the first portion through the passivation layer.

Abstract translation: 根据本发明的实施例的太阳能电池包括半导体衬底; 形成在所述半导体衬底处的发射极层，其中所述发射极层包括第一电阻的第一部分和比所述第一电阻高的第二电阻的第二部分，其中所述第一部分包括第一掺杂剂和具有所述第一掺杂剂的第二掺杂剂 导电型，第二部分包括第二掺杂剂; 形成在所述发射极层上的钝化层，其中所述钝化层包括所述第一掺杂剂; 以及通过钝化层电连接到第一部分的电极。

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：US20170170340A1

公开(公告)日：2017-06-15

申请号：US15443331

申请日：2017-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Changseo PARK ,  Yoonsil JIN ,  Youngho CHOE

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

CPC classification number: H01L31/02168 ,  H01L31/02167 ,  H01L31/022425 ,  H01L31/068 ,  H01L31/0684 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: A bifacial solar cell includes a substrate of an n-type; an emitter layer positioned on a first surface of the substrate; a plurality of first electrodes locally positioned on the emitter layer and electrically connected to the emitter layer; a first passivation layer positioned on the emitter layer; a silicon oxide layer formed at an interface between the first passivation layer and the emitter layer, the silicon oxide layer having a thickness of about 1 nm to 3 nm; a first anti-reflection layer positioned on the first passivation layer; a plurality of back surface field layers locally positioned on a second surface of the substrate; a plurality of second electrodes respectively positioned on the plurality of back surface field layers and electrically connected to the plurality of back surface field layers; and a second passivation layer positioned on the second surface of the substrate.