公开(公告)号：US10483409B2

公开(公告)日：2019-11-19

申请号：US16113853

申请日：2018-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan Shim ,  Kisu Kim ,  Eunae Yoon ,  Yuju Hwang ,  Younghyun Lee ,  Sangwook Park

IPC: H01L31/0216 ,  H01L31/068 ,  H01L31/0224 ,  H01L31/0236

Abstract: A solar cell includes a substrate formed of n-type single crystal silicon, an emitter region of a p-type which is positioned at a first surface of the substrate and includes a first emitter region having a first sheet resistance and a second emitter region having a second sheet resistance less than the first sheet resistance, a plurality of surface field regions of the n-type locally positioned at a second surface opposite the first surface of the substrate, a plurality of first electrodes which are positioned only on the second emitter region to be separated from one another and are connected to the second emitter region, and a plurality of second electrodes which are positioned on the plurality of surface field regions to be separated from one another and are connected to the plurality of surface field regions.

公开(公告)号：US10090419B2

公开(公告)日：2018-10-02

申请号：US15835194

申请日：2017-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan Shim ,  Kisu Kim ,  Eunae Yoon ,  Yuju Hwang ,  Younghyun Lee ,  Sangwook Park

IPC: H01L31/0216 ,  H01L31/068 ,  H01L31/0224 ,  H01L31/0236

Abstract: A solar cell includes a substrate formed of n-type single crystal silicon, an emitter region of a p-type which is positioned at a first surface of the substrate and includes a first emitter region having a first sheet resistance and a second emitter region having a second sheet resistance less than the first sheet resistance, a plurality of surface field regions of the n-type locally positioned at a second surface opposite the first surface of the substrate, a plurality of first electrodes which are positioned only on the second emitter region to be separated from one another and are connected to the second emitter region, and a plurality of second electrodes which are positioned on the plurality of surface field regions to be separated from one another and are connected to the plurality of surface field regions.

公开(公告)号：US10141457B2

公开(公告)日：2018-11-27

申请号：US13798355

申请日：2013-03-13

Applicant: LG Electronics Inc.

Inventor： Seunghwan Shim ,  Kisu Kim ,  Eunhye Youn ,  Yuju Hwang ,  Younghyun Lee ,  Sangwook Park

IPC: H01L31/00 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/068 ,  H01L31/0745 ,  H01L31/0747

Abstract: A solar cell includes a semiconductor substrate of a first conductive type, an emitter region having a second conductive type different from the first conductive type and positioned at a first surface of the semiconductor substrate, a semiconductor region positioned directly on a second surface opposite the first surface of the semiconductor substrate, forming a charge accumulation layer on the second surface of the semiconductor substrate, and containing impurities of the first conductive type, a first electrode positioned on the first surface of the semiconductor substrate and coupled to the emitter region, and a second electrode positioned on the second surface of the semiconductor substrate and coupled to the semiconductor substrate.