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: 10651331
    Abstract: 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: Grant
    Filed: September 25, 2015
    Date of Patent: May 12, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunjung Park, Jiweon Jeong
  • Patent number: 9634160
    Abstract: 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: Grant
    Filed: January 26, 2015
    Date of Patent: April 25, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyoungsoo Lee, Myungjun Shin, Jiweon Jeong
  • Patent number: 9343599
    Abstract: 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: Grant
    Filed: January 2, 2014
    Date of Patent: May 17, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Juhwa Cheong, Hyunjung Park, Junyong Ahn, Seongeun Lee, Jiweon Jeong
  • Publication number: 20160020350
    Abstract: 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: Application
    Filed: September 25, 2015
    Publication date: January 21, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunjung PARK, Jiweon JEONG
  • Patent number: 9099607
    Abstract: 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: Grant
    Filed: February 24, 2011
    Date of Patent: August 4, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunho Lee, Junyong Ahn, Jiweon Jeong
  • Publication number: 20150129033
    Abstract: 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: Application
    Filed: January 26, 2015
    Publication date: May 14, 2015
    Inventors: Kyoungsoo LEE, Myungjun SHIN, Jiweon JEONG
  • Patent number: 8969125
    Abstract: 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: Grant
    Filed: May 11, 2012
    Date of Patent: March 3, 2015
    Assignee: LG Electronics Inc.
    Inventors: Kyoungsoo Lee, Myungjun Shin, Jiweon Jeong
  • Patent number: 8912035
    Abstract: 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: Grant
    Filed: November 4, 2013
    Date of Patent: December 16, 2014
    Assignee: LG Electronics Inc.
    Inventors: Seongeun Lee, Jiweon Jeong
  • Publication number: 20140116506
    Abstract: 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: Application
    Filed: January 2, 2014
    Publication date: May 1, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Juhwa CHEONG, Hyunjung PARK, Junyong AHN, Seongeun LEE, Jiweon JEONG
  • Publication number: 20140057384
    Abstract: 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: Application
    Filed: November 4, 2013
    Publication date: February 27, 2014
    Applicant: LG Electronics Inc.
    Inventors: Seongeun LEE, Jiweon JEONG
  • Patent number: 8642372
    Abstract: 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: Grant
    Filed: June 22, 2009
    Date of Patent: February 4, 2014
    Assignee: LG Electronics Inc.
    Inventors: Juhwa Cheong, Hyunjung Park, Junyong Ahn, Seongeun Lee, Jiweon Jeong
  • Publication number: 20130153018
    Abstract: 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: Application
    Filed: May 11, 2012
    Publication date: June 20, 2013
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyoungsoo LEE, Myungjun SHIN, Jiweon JEONG
  • Patent number: 8232128
    Abstract: 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: Grant
    Filed: October 15, 2010
    Date of Patent: July 31, 2012
    Assignee: LG Electronics Inc.
    Inventors: Juhwa Cheong, Sungjin Kim, Jiweon Jeong, Younggu Do
  • Publication number: 20120055538
    Abstract: 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: Application
    Filed: February 24, 2011
    Publication date: March 8, 2012
    Inventors: Hyunho LEE, Junyong Ahn, Jongdae Kim, Jiweon Jeong
  • Publication number: 20120048362
    Abstract: 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: Application
    Filed: February 24, 2011
    Publication date: March 1, 2012
    Inventors: Hyunho LEE, Junyong Ahn, Jiweon Jeong
  • Publication number: 20110139223
    Abstract: 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: Application
    Filed: December 15, 2010
    Publication date: June 16, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunjung PARK, Jiweon JEONG
  • Publication number: 20110132426
    Abstract: 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: Application
    Filed: July 29, 2010
    Publication date: June 9, 2011
    Inventors: Juwan Kang, Jiweon Jeong, Jonghwan Kim
  • Publication number: 20110132425
    Abstract: 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: Application
    Filed: July 29, 2010
    Publication date: June 9, 2011
    Inventors: Juwan Kang, Jiweon Jeong, Jonghwan Kim
  • Publication number: 20110048531
    Abstract: 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: Application
    Filed: August 26, 2010
    Publication date: March 3, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Seongeun LEE, Jiweon Jeong
  • Publication number: 20110027933
    Abstract: 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: Application
    Filed: October 15, 2010
    Publication date: February 3, 2011
    Inventors: Juhwa Cheong, Sungjin Kim, Jiweon Jeong, Younggu Do