Patents by Inventor Yongduk Jin
Yongduk Jin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10903375Abstract: A solar cell can include a front passivation region including a plurality of layers formed of different materials from each other and including a first aluminum oxide layer and a first silicon nitride layer, and a back passivation region including a plurality of layers formed of different materials from each other and including a second aluminum oxide layer and a second silicon nitride layer, wherein a thickness of a first silicon nitride layer is greater than a thickness of the first aluminum oxide layer, and a thickness of a second silicon nitride layer is greater than a thickness of the second aluminum oxide layer.Type: GrantFiled: March 1, 2019Date of Patent: January 26, 2021Assignee: LG ELECTRONICS INC.Inventors: Juhwa Cheong, Yiyin Yu, Youngsung Yang, Yongduk Jin, Manhyo Ha, Seongeun Lee
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Publication number: 20190198685Abstract: A solar cell can include a front passivation region including a plurality of layers formed of different materials from each other and including a first aluminum oxide layer and a first silicon nitride layer, and a back passivation region including a plurality of layers formed of different materials from each other and including a second aluminum oxide layer and a second silicon nitride layer, wherein a thickness of a first silicon nitride layer is greater than a thickness of the first aluminum oxide layer, and a thickness of a second silicon nitride layer is greater than a thickness of the second aluminum oxide layer.Type: ApplicationFiled: March 1, 2019Publication date: June 27, 2019Applicant: LG ELECTRONICS INC.Inventors: Juhwa CHEONG, Yiyin YU, Youngsung YANG, Yongduk JIN, Manhyo HA, Seongeun LEE
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Patent number: 10256353Abstract: A solar cell can include a substrate of a first conductive type; an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type; a back surface field region which is positioned at a back surface opposite the front surface of the substrate; a front passivation region including a plurality of layers which are sequentially positioned on the emitter region; a back passivation region including a plurality of layers which are sequentially positioned on the back surface field region; a front electrode part which passes through the front passivation region and is connected to the emitter region, wherein the front electrode part comprises a plurality of front electrodes that are apart from each other and a front bus bar connecting the plurality of front electrodes; a back electrode part which passes through the back passivation region and is connected to the back surface field region, wherein the back electrode part comprises a pluralType: GrantFiled: October 26, 2016Date of Patent: April 9, 2019Assignee: LG ELECTRONICS INC.Inventors: Juhwa Cheong, Yiyin Yu, Youngsung Yang, Yongduk Jin, Manhyo Ha, Seongeun Lee
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Patent number: 9978888Abstract: A method for manufacturing a solar cell, the method including: preparing a semiconductor substrate; ion-implanting a pre-amorphization element to form an amorphous layer at at least a part of one surface of the semiconductor substrate; ion-implanting a first conductive type dopant to the one surface of the semiconductor substrate to form a first dopant layer; and forming a first electrode electrically connected to the first dopant layer, wherein a concentration of the pre-amorphization element in one portion of the first dopant layer is different from a concentration of the pre-amorphization element in another portion of the first dopant layer.Type: GrantFiled: September 8, 2016Date of Patent: May 22, 2018Assignee: LG ELECTRONICS INC.Inventors: Youngsung Yang, Yongduk Jin, Manhyo Ha, Juhwa Cheong
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Publication number: 20180138324Abstract: A solar cell is disclosed. The solar cell includes a semiconductor substrate having a chamfer formed at an edge thereof and an electrode electrically connected to the semiconductor substrate through a conductivity type region. The electrode includes a plurality of finger lines extending in a first direction, and a plurality of bus bars positioned in a second direction and connecting the plurality of finger lines. The plurality of bus bars include a pair of first bus bars respectively positioned at opposite ends of the semiconductor substrate and separated in the first direction by a first width greater than a width of the chamfer, and a second bus bar positioned between the pair of first bus bars. The plurality of finger lines positioned in a first area between one end of the semiconductor substrate and one of the pair of first bus bars have different shapes from the plurality of finger lines positioned in a second area between the pair of first bus bars.Type: ApplicationFiled: November 7, 2017Publication date: May 17, 2018Applicant: LG ELECTRONICS INC.Inventors: Yongduk JIN, Sungyong CHO, Kyungjin SHIM
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Patent number: 9608135Abstract: A solar cell according to an embodiment includes a semiconductor substrate; a first dopant layer formed at one surface of the semiconductor substrate; and a first electrode electrically connected to the first dopant layer. At least a part of the first dopant layer includes a pre-amorphization element, and a concentration of the pre-amorphization element in one portion of the first dopant layer is different from a concentration of the pre-amorphization element in another portion of the first dopant layer.Type: GrantFiled: October 4, 2012Date of Patent: March 28, 2017Assignee: LG ELECTRONICS INC.Inventors: Youngsung Yang, Yongduk Jin, Manhyo Ha, Juhwa Cheong
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Publication number: 20170047456Abstract: A solar cell can include a substrate of a first conductive type; an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type; a back surface field region which is positioned at a back surface opposite the front surface of the substrate; a front passivation region including a plurality of layers which are sequentially positioned on the emitter region; a back passivation region including a plurality of layers which are sequentially positioned on the back surface field region; a front electrode part which passes through the front passivation region and is connected to the emitter region, wherein the front electrode part comprises a plurality of front electrodes that are apart from each other and a front bus bar connecting the plurality of front electrodes; a back electrode part which passes through the back passivation region and is connected to the back surface field region, wherein the back electrode part comprises a pluralType: ApplicationFiled: October 26, 2016Publication date: February 16, 2017Applicant: LG ELECTRONICS INC.Inventors: Juhwa CHEONG, Yiyin YU, Youngsung YANG, Yongduk JIN, Manhyo HA, Seongeun LEE
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Patent number: 9559220Abstract: A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type, a front passivation region including a plurality of layers which are sequentially positioned on the emitter region, a back passivation region which is positioned on a back surface opposite the front surface of the substrate and includes three layers, a plurality of front electrodes which pass through the front passivation region and are connected to the emitter region, and at least one back electrode which passes through the back passivation region and is connected to the substrate.Type: GrantFiled: December 18, 2015Date of Patent: January 31, 2017Assignee: LG ELECTRONICS INC.Inventors: Juhwa Cheong, Yiyin Yu, Youngsung Yang, Yongduk Jin, Manhyo Ha, Seongeun Lee
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Publication number: 20160380130Abstract: A method for manufacturing a solar cell, the method including: preparing a semiconductor substrate; ion-implanting a pre-amorphization element to form an amorphous layer at at least a part of one surface of the semiconductor substrate; ion-implanting a first conductive type dopant to the one surface of the semiconductor substrate to form a first dopant layer; and forming a first electrode electrically connected to the first dopant layer, wherein a concentration of the pre-amorphization element in one portion of the first dopant layer is different from a concentration of the pre-amorphization element in another portion of the first dopant layer.Type: ApplicationFiled: September 8, 2016Publication date: December 29, 2016Applicant: LG ELECTRONICS INC.Inventors: Youngsung YANG, Yongduk JIN, Manhyo HA, Juhwa CHEONG
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Publication number: 20160111560Abstract: A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type, a front passivation region including a plurality of layers which are sequentially positioned on the emitter region, a back passivation region which is positioned on a back surface opposite the front surface of the substrate and includes three layers, a plurality of front electrodes which pass through the front passivation region and are connected to the emitter region, and at least one back electrode which passes through the back passivation region and is connected to the substrate.Type: ApplicationFiled: December 18, 2015Publication date: April 21, 2016Applicant: LG ELECTRONICS INC.Inventors: Juhwa CHEONG, Yiyin YU, Youngsung YANG, Yongduk JIN, Manhyo HA, Seongeun LEE
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Patent number: 9240499Abstract: A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type, a front passivation region including a plurality of layers which are sequentially positioned on the emitter region, a back passivation region which is positioned on a back surface opposite the front surface of the substrate and includes three layers, a plurality of front electrodes which pass through the front passivation region and are connected to the emitter region, and at least one back electrode which passes through the back passivation region and is connected to the substrate.Type: GrantFiled: July 6, 2012Date of Patent: January 19, 2016Assignee: LG ELECTRONICS INC.Inventors: Juhwa Cheong, Yiyin Yu, Youngsung Yang, Yongduk Jin, Manhyo Ha, Seongeun Lee
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Patent number: 9214584Abstract: In a method of manufacturing a solar cell includes forming a dopant layer by doping a dopant of a first conductive type and a counter dopant of a second conductive type opposite to the first conductive type to a surface of a semiconductor substrate. Here, a doping amount of the counter dopant is less than a doping amount of the dopant.Type: GrantFiled: September 12, 2012Date of Patent: December 15, 2015Assignee: LG ELECTRONICS INC.Inventors: Youngsung Yang, Yongduk Jin, Manhyo Ha, Juhwa Cheong
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Patent number: 9166096Abstract: A method for manufacturing a dopant layer of a solar cell according to an embodiment of the invention includes: ion-implanting a dopant to a substrate; and heat-treating for an activation of the dopant. In the heat-treating for the activation, the substrate is heat-treated at a first temperature after an anti-out-diffusion film is formed at a temperature lower than the first temperature under a first gas atmosphere.Type: GrantFiled: March 15, 2013Date of Patent: October 20, 2015Assignee: LG ELECTRONICS INC.Inventors: Juhwa Cheong, Yongduk Jin, Youngsung Yang, Manhyo Ha
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Patent number: 9130112Abstract: A method for manufacturing a dopant layer of a solar cell according to an embodiment of the invention includes: ion-implanting a dopant to a substrate; and heat-treating for an activation of the dopant. In the heat-treating for the activation, the substrate is heat-treated at a first temperature after an anti-out-diffusion film is formed at a temperature lower than the first temperature under a first gas atmosphere.Type: GrantFiled: March 15, 2013Date of Patent: September 8, 2015Assignee: LG ELECTRONICS INC.Inventors: Juhwa Cheong, Yongduk Jin, Youngsung Yang, Manhyo Ha
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Publication number: 20130344647Abstract: A method for manufacturing a dopant layer of a solar cell according to an embodiment of the invention includes: ion-implanting a dopant to a substrate; and heat-treating for an activation of the dopant. In the heat-treating for the activation, the substrate is heat-treated at a first temperature after an anti-out-diffusion film is formed at a temperature lower than the first temperature under a first gas atmosphere.Type: ApplicationFiled: March 15, 2013Publication date: December 26, 2013Applicant: LG ELECTRONICS INC.Inventors: Juhwa CHEONG, Yongduk JIN, Youngsung YANG, Manhyo HA
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Publication number: 20130298975Abstract: A solar cell according to an embodiment includes a semiconductor substrate; a first dopant layer formed at one surface of the semiconductor substrate; and a first electrode electrically connected to the first dopant layer. At least a part of the first dopant layer includes a pre-amorphization element, and a concentration of the pre-amorphization element in one portion of the first dopant layer is different from a concentration of the pre-amorphization element in another portion of the first dopant layer.Type: ApplicationFiled: October 4, 2012Publication date: November 14, 2013Applicant: LG ELECTRONICS INC.Inventors: Youngsung YANG, Yongduk JIN, Manhyo HA, Juhwa CHEONG
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Publication number: 20130298974Abstract: In a method of manufacturing a solar cell includes forming a dopant layer by doping a dopant of a first conductive type and a count dopant of a second conductive type opposite to the first conductive type to a surface of a semiconductor substrate. Here, a doping amount of the count dopant is less than a doping amount of the dopant.Type: ApplicationFiled: September 12, 2012Publication date: November 14, 2013Applicant: LG ELECTRONICS INC.Inventors: Youngsung Yang, Yongduk Jin, Manhyo Ha, Juhwa Cheong
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Publication number: 20130160839Abstract: A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type, a front passivation region including a plurality of layers which are sequentially positioned on the emitter region, a back passivation region which is positioned on a back surface opposite the front surface of the substrate and includes three layers, a plurality of front electrodes which pass through the front passivation region and are connected to the emitter region, and at least one back electrode which passes through the back passivation region and is connected to the substrate.Type: ApplicationFiled: July 6, 2012Publication date: June 27, 2013Inventors: Juhwa CHEONG, Yiyin Yu, Youngsung Yang, Yongduk Jin, Manhyo Ha, Seongeun Lee