公开(公告)号：US20160027951A1

公开(公告)日：2016-01-28

申请号：US14811475

申请日：2015-07-28

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan SHIM ,  Ilhyoung JUNG ,  Indo CHUNG ,  Eunhye YOUN

IPC: H01L31/077 ,  H01L31/0224 ,  H01L31/0368 ,  H01L31/0352 ,  H01L31/18 ,  H01L31/028

CPC classification number: H01L31/077 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/028 ,  H01L31/035272 ,  H01L31/03682 ,  H01L31/0747 ,  H01L31/1804 ,  H01L31/182 ,  H01L31/186 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell and a method for manufacturing the same are disclosed. The solar cell includes a semiconductor substrate doped with impurities of a first conductive type, a front surface field region disposed at a front surface of the substrate and doped with impurities of the first conductive type at a concentration higher than those of the substrate, a tunnel layer disposed on a back surface of the substrate and formed of a dielectric material, an emitter region disposed at a first portion of a back surface of the tunnel layer and doped with impurities of a second conductive type opposite the first conductive type, and a back surface field region disposed at a second portion of the back surface of the tunnel layer and doped with impurities of the first conductive type at a concentration higher than those of the substrate.

Abstract translation: 公开了一种太阳能电池及其制造方法。 太阳能电池包括掺杂有第一导电类型的杂质的半导体衬底，设置在衬底的前表面处的前表面场区域，并且以高于衬底的浓度掺杂第一导电类型的杂质，隧道 层，其设置在所述基板的背面上并由电介质材料形成，所述发射极区域设置在所述隧道层的背面的第一部分并且掺杂有与所述第一导电类型相反的第二导电类型的杂质，以及背面 表面场区域设置在隧道层的后表面的第二部分处，并以高于衬底的浓度掺杂第一导电类型的杂质。

公开(公告)号：US20140041720A1

公开(公告)日：2014-02-13

申请号：US13779025

申请日：2013-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Juhong YANG ,  Dohwan YANG ,  Ilhyoung JUNG ,  Jinah KIM

IPC: H01L31/0224

CPC classification number: H01L31/022458 ,  H01L31/02167 ,  H01L31/022425 ,  H01L31/056 ,  H01L31/068 ,  Y02E10/52 ,  Y02E10/547

Abstract: A solar cell includes a substrate, an emitter region positioned at a first surface of the substrate, a first electrode positioned on the first surface of the substrate, a back passivation layer positioned on a second surface opposite the first surface of the substrate, and a second electrode which is positioned on the back passivation layer and is electrically connected to the substrate through holes of the back passivation layer. The second electrode includes connection electrodes positioned inside the holes of the back passivation layer and a back electrode layer positioned on the connection electrodes and the back passivation layer. An adhesion enhanced layer is positioned between the back electrode layer and the back passivation layer and contains at least one of intrinsic amorphous silicon and intrinsic microcrystalline silicon.

Abstract translation: 太阳能电池包括衬底，位于衬底的第一表面处的发射极区域，位于衬底的第一表面上的第一电极，位于与衬底的第一表面相对的第二表面上的背面钝化层，以及 第二电极位于背部钝化层上，并且通过背面钝化层的孔与基板电连接。 第二电极包括位于背面钝化层的孔内的连接电极和位于连接电极和背面钝化层上的背面电极层。 粘合增强层位于背电极层和背部钝化层之间，并且包含本征非晶硅和本征微晶硅中的至少一种。

公开(公告)号：US20180212082A1

公开(公告)日：2018-07-26

申请号：US15880738

申请日：2018-01-26

Applicant: LG Electronics Inc.

Inventor： Seunghun LEE ,  Ilhyoung JUNG ,  Hyunho KIM

IPC: H01L31/0224 ,  H01L31/18

Abstract: Disclosed in a solar cell including: a semiconductor substrate; a first conductive region for extracting a first carrier on the semiconductor substrate; a second conductive for extracting a second carrier on the semiconductor substrate; a first electrode electrically coupled to the first conductive region; and a second electrode electrically coupled to the second conductive region. The first conductive region includes a first compound layer having a first metal, and the second conductive region includes a second compound layer having a second metal. At least one of the first electrode and the second electrode includes a transparent electrode layer, and a metal electrode layer on the transparent electrode layer. A work function of the transparent electrode layer of the at least one of the first electrode and the second electrode is the same as or greater than a work function of the second conductive region and is the same as or smaller than a work function of the first conductive region.

公开(公告)号：US20180033899A1

公开(公告)日：2018-02-01

申请号：US15727341

申请日：2017-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom NAM ,  Doohwan YANG ,  Eunjoo LEE ,  Ilhyoung JUNG

IPC: H01L31/0224 ,  H01L31/068 ,  H01L31/05 ,  H01L31/056 ,  H01L31/028

CPC classification number: H01L31/022425 ,  H01L31/022441 ,  H01L31/022491 ,  H01L31/0516 ,  H01L31/056 ,  H01L31/0682 ,  Y02E10/52 ,  Y02E10/547

Abstract: A solar cell can include a photoelectric conversion unit including a semiconductor substrate, a tunneling layer disposed on the semiconductor substrate, a first conductive type region and a second conductive type region disposed on the tunneling layer at a same side of the semiconductor substrate, and a barrier region disposed between the first and second conductive type regions; and an electrode disposed on the photoelectric conversion unit and including an adhesive layer disposed on the first and second conductive type regions, and an electrode layer disposed on the adhesive layer, in which the adhesive layer has a coefficient of thermal expansion that is greater than a coefficient of thermal expansion of the photoelectric conversion unit and is less than a coefficient of thermal expansion of the electrode layer.

公开(公告)号：US20160005900A1

公开(公告)日：2016-01-07

申请号：US14792286

申请日：2015-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Giwon LEE ,  Kisu KIM ,  Ilhyoung JUNG ,  Jinah KIM

IPC: H01L31/0475 ,  H01L31/0216

Abstract: A solar cell is discussed, which includes a tunneling layer on one surface of a semiconductor substrate; a first conductive type region on the tunneling layer; a second conductive type region on the tunneling layer; a first electrode and a second electrode, the first electrode connected to the first conductive type region and the second electrode connected to the second conductive type region. The tunneling layer includes a first portion and a second portion. The first portion is disposed to correspond to at least a part of the first and second conductive type regions and has a first thickness. At least a part of the second portion is disposed to correspond to a boundary portion between the first conductive type region and the second conductive type region. The second portion has a second thickness greater than the first thickness.

Abstract translation: 讨论了一种太阳能电池，其包括在半导体衬底的一个表面上的隧道层; 隧道层上的第一导电类型区域; 隧道层上的第二导电类型区域; 第一电极和第二电极，第一电极连接到第一导电类型区域，第二电极连接到第二导电类型区域。 隧道层包括第一部分和第二部分。 第一部分设置成对应于第一和第二导电类型区域的至少一部分并且具有第一厚度。 第二部分的至少一部分被设置成对应于第一导电类型区域和第二导电类型区域之间的边界部分。 第二部分具有大于第一厚度的第二厚度。

公开(公告)号：US20150263193A1

公开(公告)日：2015-09-17

申请号：US14659053

申请日：2015-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Indo CHUNG ,  Seunghwan SHIM ,  Ilhyoung JUNG ,  Jeongbeom NAM

IPC: H01L31/0224 ,  H01L31/0216

CPC classification number: H01L31/022433 ,  H01L31/02167 ,  H01L31/02168 ,  H01L31/022441 ,  H01L31/0682 ,  H01L31/0747 ,  H01L31/1804 ,  H01L31/1868 ,  Y02E10/547 ,  Y02P70/521

Abstract: Discussed is a solar cell includes a semiconductor substrate, a conductive type region including a first conductive type region and a second conductive type region formed on one surface of the semiconductor substrate, an electrode including a first electrode and a second electrode, wherein the first electrode is connected to the first conductive type region and the second electrode is connected to the second conductive type region, and a passivation layer formed on the conductive type region. The passivation layer includes at least one of silicon nitride and silicon carbide.

Abstract translation: 讨论了一种太阳能电池，包括半导体衬底，包括形成在半导体衬底的一个表面上的第一导电类型区域和第二导电类型区域的导电类型区域，包括第一电极和第二电极的电极，其中第一电极 连接到第一导电类型区域，并且第二电极连接到第二导电类型区域，以及形成在导电类型区域上的钝化层。 钝化层包括氮化硅和碳化硅中的至少一种。

公开(公告)号：US20150214397A1

公开(公告)日：2015-07-30

申请号：US14607904

申请日：2015-01-28

Applicant: LG ELECTRONICS INC.

Inventor： Indo CHUNG ,  Seunghwan SHIM ,  Ilhyoung JUNG ,  Jeongbeom NAM

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

CPC classification number: H01L31/022458 ,  H01L21/268 ,  H01L31/02168 ,  H01L31/022441 ,  H01L31/0747 ,  H01L31/18 ,  Y02E10/50

Abstract: A solar cell includes a semiconductor substrate; at least one conductive type region on the semiconductor substrate; a protective layer on the at least one conductive type region; and an electrode disposed on the protective layer and electrically connected to the conductive type region.

Abstract translation: 太阳能电池包括半导体衬底; 半导体衬底上的至少一个导电类型区域; 在所述至少一个导电类型区域上的保护层; 以及设置在所述保护层上并电连接到所述导电类型区域的电极。

公开(公告)号：US20140076394A1

公开(公告)日：2014-03-20

申请号：US13857806

申请日：2013-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom NAM ,  Indo CHUNG ,  Ilhyoung JUNG ,  Jinah KIM

IPC: H01L31/0224

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

Abstract: A solar cell includes a substrate, an emitter region including a lightly doped emitter region having a first sheet resistance and a heavily doped emitter region having a second sheet resistance less than the first sheet resistance, a first dielectric layer positioned on the emitter region, a first electrode including a first finger electrode positioned on the heavily doped emitter region in a first direction and a first bus bar electrode positioned on the lightly doped emitter region in a second direction, and a second electrode positioned on the substrate. The first finger electrode includes a seed layer contacting the heavily doped emitter region and a conductive metal layer formed on the seed layer, and the first bus bar electrode includes electrically conductive metal particles and a thermosetting resin.

Abstract translation: 太阳能电池包括基板，包括具有第一薄层电阻的轻掺杂发射极区域和具有小于第一薄层电阻的第二薄层电阻的重掺杂发射极区域的发射极区域，位于发射极区域上的第一介电层， 第一电极包括位于第一方向上的重掺杂发射极区域上的第一指状电极和位于第二方向上位于轻掺杂发射极区域上的第一汇流条电极以及位于基板上的第二电极。 第一指状电极包括接触重掺杂发射极区域的种子层和形成在种子层上的导电金属层，第一汇流条电极包括导电金属颗粒和热固性树脂。

公开(公告)号：US20170098722A1

公开(公告)日：2017-04-06

申请号：US15282482

申请日：2016-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon CHANG ,  Jinsung KIM ,  Philwon YOON ,  Ilhyoung JUNG ,  Seunghun LEE ,  Seunghwan SHIM ,  Jinah KIM

IPC: H01L31/0224 ,  H01L31/0236 ,  H01L31/02

CPC classification number: H01L31/022441 ,  H01L31/02008 ,  H01L31/02167 ,  H01L31/022466 ,  H01L31/022483 ,  H01L31/02363 ,  H01L31/032 ,  H01L31/074 ,  Y02E10/50

Abstract: Disclosed is a solar cell including a semiconductor substrate including a semiconductor material, a tunneling layer disposed over one surface of the semiconductor substrate, a first conductive area and a second conductive area disposed over the tunneling layer and having opposite conductive types, and an electrode including a first electrode electrically connected to the first conductive area and a second electrode electrically connected to the second conductive area. At least one of the first conductive area and the second conductive area is configured as a metal compound layer.

公开(公告)号：US20170033257A1

公开(公告)日：2017-02-02

申请号：US15224015

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinah KIM ,  Ilhyoung JUNG ,  Seunghwan SHIM

IPC: H01L31/18 ,  H01L31/0224

CPC classification number: H01L31/1884 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/022466 ,  H01L31/0682 ,  H01L31/0747 ,  H01L31/18 ,  Y02E10/547

Abstract: A solar cell and a method for manufacturing the solar cell are discussed. The method for manufacturing the solar cell includes applying an electrode paste on a semiconductor substrate and sintering the electrode paste using a light sintering device to form an electrode. The electrode paste includes fine metal particles, a binder, and a solvent. An amount of the fine metal particles is greater than a sum of an amount of the binder and an amount of the solvent, and the amount of the binder is greater than the amount of the solvent.

Abstract translation: 讨论太阳能电池和太阳能电池的制造方法。 太阳能电池的制造方法包括在半导体基板上涂敷电极膏，使用轻烧结装置烧结电极糊，形成电极。 电极糊包括细金属颗粒，粘合剂和溶剂。 一定量的金属微粒大于粘合剂的量和溶剂量的总和，并且粘合剂的量大于溶剂的量。