公开(公告)号：US20160197209A1

公开(公告)日：2016-07-07

申请号：US15066812

申请日：2016-03-10

Applicant: LG Electronics Inc.

Inventor： Yoonsil JIN ,  Heejin NAM ,  Sangwook PARK

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

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

Abstract: A method for manufacturing a solar cell according to an embodiment of the invention includes forming an emitter layer having an emitter dopant of a second conductive type opposite to a first conductive type on a first surface on a semiconductor substrate; forming a passivation layer including a first dopant of the first conductive type on a second surface of the semiconductor substrate; forming a back surface field layer including a first portion on the second surface by locally heating a portion of the passivation layer using a laser; and forming an electrode electrically connected to the first portion of the back surface field layer through an opening of the passivation layer after the first portion of the back surface field layer is formed on the second surface, wherein the back surface field layer is locally formed between the electrode and the second surface.

Abstract translation: 根据本发明的实施例的太阳能电池的制造方法包括在半导体衬底的第一表面上形成具有与第一导电类型相反的第二导电类型的发射极掺杂剂的发射极层; 在所述半导体衬底的第二表面上形成包括所述第一导电类型的第一掺杂剂的钝化层; 通过使用激光局部加热所述钝化层的一部分，在所述第二表面上形成包括第一部分的背面场层; 以及在所述第二表面上形成在所述背面场层的所述第一部分之后通过所述钝化层的开口电连接到所述背表面场层的所述第一部分的电极，其中所述背面场层局部形成在 电极和第二表面。

公开(公告)号：US20160181443A1

公开(公告)日：2016-06-23

申请号：US15057832

申请日：2016-03-01

Applicant: LG Electronics Inc.

Inventor： Younghyun LEE ,  Heejin NAM ,  Yoonsil JIN

IPC: H01L31/02 ,  H01L31/0224 ,  H01L31/048 ,  H01L31/0216

CPC classification number: H01L31/0201 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022433 ,  H01L31/048 ,  H01L31/186 ,  Y02E10/50 ,  Y02E10/547

Abstract: A solar cell according to an embodiment of the invention includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type, which is positioned at the substrate, an anti-reflection layer including a first opening exposing the emitter region and a plurality of second openings which expose the emitter region and are separated from one another, a first electrode which is positioned on a first portion of the emitter region exposed through the first opening and is connected to the first portion, a first bus bar which is positioned on a second portion of the emitter region exposed through the plurality of second openings and is connected to the second portion and the first electrode, and a second electrode which is positioned on the substrate and is connected to the substrate.

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。

公开(公告)号：US20130220411A1

公开(公告)日：2013-08-29

申请号：US13653034

申请日：2012-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Younghyun LEE ,  Heejin NAM ,  Yoonsil JIN

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/0201 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022433 ,  H01L31/048 ,  H01L31/186 ,  Y02E10/50 ,  Y02E10/547

Abstract: A solar cell according to an embodiment of the invention includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type, which is positioned at the substrate, an anti-reflection layer including a first opening exposing the emitter region and a plurality of second openings which expose the emitter region and are separated from one another, a first electrode which is positioned on a first portion of the emitter region exposed through the first opening and is connected to the first portion, a first bus bar which is positioned on a second portion of the emitter region exposed through the plurality of second openings and is connected to the second portion and the first electrode, and a second electrode which is positioned on the substrate and is connected to the substrate.

Abstract translation: 根据本发明的实施例的太阳能电池包括：第一导电类型的衬底，位于衬底的第一导电类型的第二导电类型的发射极区域;抗反射层，包括第一开口暴露 所述发射极区域和暴露所述发射极区域并且彼此分离的多个第二开口;第一电极，其位于通过所述第一开口暴露并且连接到所述第一部分的所述发射区域的第一部分上;第一电极， 汇流排，其位于通过多个第二开口暴露的发射极区域的第二部分上，并连接到第二部分和第一电极;以及第二电极，其位于基板上并连接到基板。