Patents by Inventor Jiweon Jeong
Jiweon Jeong 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).
-
Patent number: 10651331Abstract: A solar cell includes at least one photoelectric conversion layer; and at least one layer provided on a surface of the photoelectric conversion layer upon which light is incident, wherein the at least one layer contains semiconductor nanocrystals.Type: GrantFiled: September 25, 2015Date of Patent: May 12, 2020Assignee: LG ELECTRONICS INC.Inventors: Hyunjung Park, Jiweon Jeong
-
Patent number: 9634160Abstract: A method for manufacturing asolar cell includes texturing a front surface of a semiconductor substrate having a first conductive type dopant by using a dry etching method, forming an emitter layer by ion-implanting a second conductive type dopant into the front surface of the semiconductor substrate, forming a back passivation film on a back surface of the semiconductor substrate; and forming a first electrode electrically connected to the emitter layer and a second electrode being in partial contact with the back surface of the semiconductor substrate.Type: GrantFiled: January 26, 2015Date of Patent: April 25, 2017Assignee: LG ELECTRONICS INC.Inventors: Kyoungsoo Lee, Myungjun Shin, Jiweon Jeong
-
Patent number: 9343599Abstract: A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO3, and up to about 30 wt % of acetic acid based on total weight of the etchant.Type: GrantFiled: January 2, 2014Date of Patent: May 17, 2016Assignee: LG ELECTRONICS INC.Inventors: Juhwa Cheong, Hyunjung Park, Junyong Ahn, Seongeun Lee, Jiweon Jeong
-
Publication number: 20160020350Abstract: A solar cell includes at least one photoelectric conversion layer; and at least one layer provided on a surface of the photoelectric conversion layer upon which light is incident, wherein the at least one layer contains semiconductor nanocrystals.Type: ApplicationFiled: September 25, 2015Publication date: January 21, 2016Applicant: LG ELECTRONICS INC.Inventors: Hyunjung PARK, Jiweon JEONG
-
Patent number: 9099607Abstract: A solar cell is discussed. The solar cell according to an embodiment includes a substrate of a first conductive type, an emitter layer of a second conductive type opposite the first conductive type, which forms a p-n junction along with the substrate, a first anti-reflection layer on the emitter layer, a second anti-reflection layer on the first anti-reflection layer, a first electrode part connected to the emitter layer, and a second electrode part connected to the substrate. The first anti-reflection layer is formed of silicon nitride, and the second anti-reflection layer is formed of silicon oxide.Type: GrantFiled: February 24, 2011Date of Patent: August 4, 2015Assignee: LG ELECTRONICS INC.Inventors: Hyunho Lee, Junyong Ahn, Jiweon Jeong
-
Publication number: 20150129033Abstract: A method for manufacturing asolar cell includes texturing a front surface of a semiconductor substrate having a first conductive type dopant by using a dry etching method, forming an emitter layer by ion-implanting a second conductive type dopant into the front surface of the semiconductor substrate, forming a back passivation film on a back surface of the semiconductor substrate; and forming a first electrode electrically connected to the emitter layer and a second electrode being in partial contact with the back surface of the semiconductor substrate.Type: ApplicationFiled: January 26, 2015Publication date: May 14, 2015Inventors: Kyoungsoo LEE, Myungjun SHIN, Jiweon JEONG
-
Patent number: 8969125Abstract: A method for manufacturing a solar cell includes texturing a front surface of a semiconductor substrate having a first conductive type dopant by using a dry etching method, forming an emitter layer by ion-implanting a second conductive type dopant into the front surface of the semiconductor substrate, forming a back passivation film on a back surface of the semiconductor substrate; and forming a first electrode electrically connected to the emitter layer and a second electrode being in partial contact with the back surface of the semiconductor substrate.Type: GrantFiled: May 11, 2012Date of Patent: March 3, 2015Assignee: LG Electronics Inc.Inventors: Kyoungsoo Lee, Myungjun Shin, Jiweon Jeong
-
Patent number: 8912035Abstract: Discussed herein are a solar cell and a fabricating method thereof. The solar cell includes a first conductivity-type semiconductor substrate, a second conductivity-type semiconductor layer formed on a front surface of the first conductivity-type semiconductor substrate, and having a conductivity opposite to that of the first conductivity-type semiconductor substrate, an anti-reflection film including at least one opening exposing a part of a surface of the second conductivity-type semiconductor layer, and formed on the second conductivity-type semiconductor layer, at least one front electrode contacting a part of the surface of the second conductivity-type semiconductor layer exposed through the at least one opening, and at least one rear electrode formed on a rear surface of the first conductivity-type semiconductor substrate, wherein the at least one front electrode includes a metal containing silver and lead-free glass frit.Type: GrantFiled: November 4, 2013Date of Patent: December 16, 2014Assignee: LG Electronics Inc.Inventors: Seongeun Lee, Jiweon Jeong
-
Publication number: 20140116506Abstract: A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO3, and up to about 30 wt % of acetic acid based on total weight of the etchant.Type: ApplicationFiled: January 2, 2014Publication date: May 1, 2014Applicant: LG ELECTRONICS INC.Inventors: Juhwa CHEONG, Hyunjung PARK, Junyong AHN, Seongeun LEE, Jiweon JEONG
-
Publication number: 20140057384Abstract: Discussed herein are a solar cell and a fabricating method thereof. The solar cell includes a first conductivity-type semiconductor substrate, a second conductivity-type semiconductor layer formed on a front surface of the first conductivity-type semiconductor substrate, and having a conductivity opposite to that of the first conductivity-type semiconductor substrate, an anti-reflection film including at least one opening exposing a part of a surface of the second conductivity-type semiconductor layer, and formed on the second conductivity-type semiconductor layer, at least one front electrode contacting a part of the surface of the second conductivity-type semiconductor layer exposed through the at least one opening, and at least one rear electrode formed on a rear surface of the first conductivity-type semiconductor substrate, wherein the at least one front electrode includes a metal containing silver and lead-free glass frit.Type: ApplicationFiled: November 4, 2013Publication date: February 27, 2014Applicant: LG Electronics Inc.Inventors: Seongeun LEE, Jiweon JEONG
-
Patent number: 8642372Abstract: A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO3, and up to about 30 wt % of acetic acid based on total weight of the etchant.Type: GrantFiled: June 22, 2009Date of Patent: February 4, 2014Assignee: LG Electronics Inc.Inventors: Juhwa Cheong, Hyunjung Park, Junyong Ahn, Seongeun Lee, Jiweon Jeong
-
Publication number: 20130153018Abstract: A method for manufacturing a solar cell includes texturing a front surface of a semiconductor substrate having a first conductive type dopant by using a dry etching method, forming an emitter layer by ion-implanting a second conductive type dopant into the front surface of the semiconductor substrate, forming a back passivation film on a back surface of the semiconductor substrate; and forming a first electrode electrically connected to the emitter layer and a second electrode being in partial contact with the back surface of the semiconductor substrate.Type: ApplicationFiled: May 11, 2012Publication date: June 20, 2013Applicant: LG ELECTRONICS INC.Inventors: Kyoungsoo LEE, Myungjun SHIN, Jiweon JEONG
-
Patent number: 8232128Abstract: Methods of texturing and manufacturing a solar cell are provided. The method of texturing the solar includes texturing a surface of a substrate of the solar cell using a wet etchant, and the wet etchant includes a surfactant.Type: GrantFiled: October 15, 2010Date of Patent: July 31, 2012Assignee: LG Electronics Inc.Inventors: Juhwa Cheong, Sungjin Kim, Jiweon Jeong, Younggu Do
-
Publication number: 20120055538Abstract: A solar cell module is discussed. The solar cell module includes a plurality of solar cells each including a substrate and an anti-reflection layer positioned on the substrate, a protective member surrounding the plurality of solar cells, and a transparent member positioned on the protective member. The protective member is formed of a silicon resin. The anti-reflection layer includes a first anti-reflection layer positioned on the substrate and a second anti-reflection layer positioned on the first anti-reflection layer. The first anti-reflection layer and the second anti-reflection layer are formed of different materials.Type: ApplicationFiled: February 24, 2011Publication date: March 8, 2012Inventors: Hyunho LEE, Junyong Ahn, Jongdae Kim, Jiweon Jeong
-
Publication number: 20120048362Abstract: A solar cell is discussed. The solar cell according to an embodiment includes a substrate of a first conductive type, an emitter layer of a second conductive type opposite the first conductive type, which forms a p-n junction along with the substrate, a first anti-reflection layer on the emitter layer, a second anti-reflection layer on the first anti-reflection layer, a first electrode part connected to the emitter layer, and a second electrode part connected to the substrate. The first anti-reflection layer is formed of silicon nitride, and the second anti-reflection layer is formed of silicon oxide.Type: ApplicationFiled: February 24, 2011Publication date: March 1, 2012Inventors: Hyunho LEE, Junyong Ahn, Jiweon Jeong
-
Publication number: 20110139223Abstract: Discussed is a solar cell module using semiconductor nanocrystals including a layer within which nanocrystals of a material having a down converting function of energy of incident light are dispersed. The solar cell module includes a plurality of solar cells including at least one photoelectric conversion layer, at least one transparent member provided on upper surfaces of the plurality of solar cells, and a filling layer to seal the plurality of solar cells, wherein at least one layer selected from the at least one transparent member and the filling layer contains the semiconductor nanocrystals.Type: ApplicationFiled: December 15, 2010Publication date: June 16, 2011Applicant: LG ELECTRONICS INC.Inventors: Hyunjung PARK, Jiweon JEONG
-
Publication number: 20110132426Abstract: A solar cell module includes at least one first solar cell, at least one second solar cell, an upper protective layer positioned on the first solar cell and the second solar cell, a transparent member positioned on the upper protective layer, a lower protective layer positioned under the first solar cell and the second solar cell, and a back sheet positioned under the lower protective layer. The back sheet has at least one conductive pattern for electrically connecting a current collector positioned on a back surface of a first semiconductor substrate of the first solar cell to a current collector positioned on a back surface of a second semiconductor substrate of the second solar cell, and the at least one conductive pattern is straightly formed to connect therebetween.Type: ApplicationFiled: July 29, 2010Publication date: June 9, 2011Inventors: Juwan Kang, Jiweon Jeong, Jonghwan Kim
-
Publication number: 20110132425Abstract: A solar cell module is disclosed. The solar cell module includes at least one first solar cell, the at least one first solar cell including a first semiconductor substrate of a first conductive type, and a first electron current collector and a first hole current collector that are positioned on one surface of the first semiconductor substrate; and at least one second solar cell, the at least one second solar cell including a second semiconductor substrate of a second conductive type opposite the first conductive type, and a second electron current collector and a second hole current collector that are positioned on one surface of the second semiconductor substrate. The first solar cell and the second solar cell are positioned adjacently to each other and are alternately positioned.Type: ApplicationFiled: July 29, 2010Publication date: June 9, 2011Inventors: Juwan Kang, Jiweon Jeong, Jonghwan Kim
-
Publication number: 20110048531Abstract: Discussed herein are a solar cell and a fabricating method thereof. The solar cell includes a first conductivity-type semiconductor substrate, a second conductivity-type semiconductor layer formed on a front surface of the first conductivity-type semiconductor substrate, and having a conductivity opposite to that of the first conductivity-type semiconductor substrate, an anti-reflection film including at least one opening exposing a part of a surface of the second conductivity-type semiconductor layer, and formed on the second conductivity-type semiconductor layer, at least one front electrode contacting a part of the surface of the second conductivity-type semiconductor layer exposed through the at least one opening, and at least one rear electrode formed on a rear surface of the first conductivity-type semiconductor substrate, wherein the at least one front electrode includes a metal containing silver and lead-free glass frit.Type: ApplicationFiled: August 26, 2010Publication date: March 3, 2011Applicant: LG ELECTRONICS INC.Inventors: Seongeun LEE, Jiweon Jeong
-
Publication number: 20110027933Abstract: Methods of texturing and manufacturing a solar cell are provided. The method of texturing the solar includes texturing a surface of a substrate of the solar cell using a wet etchant, and the wet etchant includes a surfactant.Type: ApplicationFiled: October 15, 2010Publication date: February 3, 2011Inventors: Juhwa Cheong, Sungjin Kim, Jiweon Jeong, Younggu Do