Patents by Inventor Jeonghun Son
Jeonghun Son 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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Publication number: 20230182364Abstract: The present disclosure relates to an extrusion nozzle apparatus and a method for extruding a thermoelectric material using the extrusion nozzle apparatus. An extrusion nozzle apparatus according to one embodiment of the present disclosure comprises: an inlet introducing material; an outlet discharging the input material; and a discharge pipe formed in a multi-stage shape including a plurality of stages, wherein the input material is pressurized inside the discharge pipe and moves in a first direction from the inlet toward the outlet. The cross-sectional area of the plurality of stages in a direction perpendicular to the first direction progressively decreases from the inlet to the outlet. Accordingly, the thermoelectric performance of a thermoelectric material may be improved, and production cost and production time may be reduced.Type: ApplicationFiled: May 15, 2020Publication date: June 15, 2023Applicant: LG ELECTRONICS INC.Inventors: Jongrae LIM, Jeonghun SON, Youngil JANG, Jooyoung PARK, Jun KIM
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Publication number: 20220102607Abstract: The present invention relates to a thermoelectric material and, specifically, to a thermoelectric material capable of improving the figure of merit and a preparation method therefor. In the present invention, the thermoelectric material may comprise: a matrix compound having a composition of chemical formula 1 or 2; and particles having a composition of chemical formula 3 dispersed in the matrix compound. (AB2)x(Bi2Se2.7Te0.3)1-x, (CB)x(Bi2Se2.7Te0.3)1-x, DyEz.Type: ApplicationFiled: June 11, 2019Publication date: March 31, 2022Applicant: LG ELECTRONICS INC.Inventors: Jongrae LIM, Jun KIM, Jooyoung PARK, Jeonghun SON, Youngil JANG
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Publication number: 20220077375Abstract: The present invention relates to a thermoelectric material and, specifically, to a thermoelectric material manufacturing method for increasing potential density. The thermoelectric material manufacturing method of the present invention can comprise the steps of: preparing a bulk thermoelectric material by using thermoelectric material raw materials; preparing a powder of the bulk thermoelectric material; adding, to the powder, a metal additive selected from the thermoelectric material raw materials; forming an intermediate in which the metal additive is dispersed in the thermoelectric material; and sintering same at at least the melting point temperature of the metal additive.Type: ApplicationFiled: June 12, 2019Publication date: March 10, 2022Applicant: LG ELECTRONICS INC.Inventors: Jongrae LIM, Jun KIM, Jooyoung PARK, Jeonghun SON, Youngil JANG
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Patent number: 10316879Abstract: A frame system for a solar cell module, the frame system includes: a first frame member including a first body that is configured to be fixed to a substrate of the solar cell module and a male coupling portion that is protruded from the first body; and a second frame member including a second body that is configured to be fixed to an installation object and a female coupling portion that is configured to be coupled to the male coupling portion, wherein at an outer surface of the male coupling portion, a protrusion including an inclined surface having an upper width smaller than a lower width and a separation prevention surface that is positioned at a lower end portion of the inclined surface is formed, and at an inside of the female coupling portion, a protrusion coupling portion that corresponds to the protrusion is formed.Type: GrantFiled: February 21, 2012Date of Patent: June 11, 2019Assignee: LG ELECTRONICS INC.Inventors: Jinhyung Jun, Jinhyung Ahn, Sungeun Lee, Jeonghun Son
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Patent number: 9818891Abstract: A solar cell module and a method for manufacturing the same are disclosed. The method for manufacturing the solar cell module includes applying a low melting point metal on an electrode included in each of a plurality of solar cells, melting the low melting point metal to form a contact layer on the electrode, generating an ultrasonic vibration in the contact layer to remove a surface oxide layer formed on a surface of the electrode, melting a surface metal of the electrode and the contact layer to form a metal connection layer on the surface of the electrode, and connecting the metal connection layer to an interconnector.Type: GrantFiled: December 30, 2015Date of Patent: November 14, 2017Assignee: LG ELECTRONICS INC.Inventors: Kwangyoung Lim, Kangseok Moon, Jeonghun Son, Sehwon Ahn
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Publication number: 20160190363Abstract: A solar cell module and a method for manufacturing the same are disclosed. The method for manufacturing the solar cell module includes applying a low melting point metal on an electrode included in each of a plurality of solar cells, melting the low melting point metal to form a contact layer on the electrode, generating an ultrasonic vibration in the contact layer to remove a surface oxide layer formed on a surface of the electrode, melting a surface metal of the electrode and the contact layer to form a metal connection layer on the surface of the electrode, and connecting the metal connection layer to an interconnector.Type: ApplicationFiled: December 30, 2015Publication date: June 30, 2016Applicant: LG ELECTRONICS INC.Inventors: Kwangyoung LIM, Kangseok MOON, Jeonghun SON, Sehwon AHN
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Publication number: 20160181454Abstract: A solar cell module and a method for manufacturing the same are discussed. The solar cell module includes a front transparent substrate and a back substrate positioned opposite each other, a plurality of solar cells positioned between the front transparent substrate and the back substrate, each solar cell including a semiconductor substrate and first and second electrodes, the first and second electrodes being separated from each other on a back surface of the semiconductor substrate and each extending in a first direction, a first conductive line connected to the first electrode included in the each solar cell through a conductive adhesive, a second conductive line connected to the second electrode included in the each solar cell through the conductive adhesive, a first encapsulant positioned between the solar cells and the front transparent substrate, and a second encapsulant positioned between the solar cells and the back substrate.Type: ApplicationFiled: December 22, 2015Publication date: June 23, 2016Applicant: LG ELECTRONICS INC.Inventors: Jeonghun SON, Kangseok MOON, Kwangyoung LIM, Sehwon AHN
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Patent number: 9246040Abstract: A thin film solar cell module according to an embodiment of the invention includes a substrate, a plurality of solar cells each including a first electrode on the substrate, a second electrode on the first electrode, and a photoelectric conversion unit between the first electrode and the second electrode, a ribbon positioned on each of first and second outermost solar cells among the solar cells, and a conductive adhesive part positioned between the first outermost solar cell and the ribbon and between the second outermost solar cell and the ribbon. The conductive adhesive part positioned between the second electrode of the first outermost solar cell and the ribbon includes a first connector, which is electrically connected to the first electrode, the photoelectric conversion unit, and the second electrode of the first outermost solar cell.Type: GrantFiled: October 12, 2012Date of Patent: January 26, 2016Assignee: LG ELECTRONICS INC.Inventors: Junoh Shin, Huijae Lee, Sungeun Lee, Jeonghun Son
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Patent number: 9087953Abstract: A solar cell module and a method for manufacturing the same are discussed. The solar cell module includes a substrate including an electricity generation area and an edge area that are divided by an insulating area, and a plurality of solar cells positioned in the electricity generation area. Each of the solar cells includes a transparent electrode on the substrate, a silicon electricity generation layer on the transparent electrode, and a back electrode on the silicon electricity generation layer. The back electrode of one solar cell is electrically connected to the transparent electrode of another solar cell adjacent to the one solar cell. A side of a transparent electrode of an outermost solar cell adjacent to the insulating area is covered by a side portion of a silicon electricity generation layer of the outermost solar cell exposed in the insulating area.Type: GrantFiled: October 6, 2010Date of Patent: July 21, 2015Assignee: LG ELECTRONICS INC.Inventors: Jeonghun Son, Seungjoon Lee, Heonmin Lee, Taeho Moon, Wonki Yoon, Jinhee Park, Sehwon Ahn, Youngjoo Eo
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Patent number: 8642881Abstract: A thin film solar cell and a method of manufacturing the same are discussed. The method of manufacturing the thin film solar cell includes forming a masking jig in a first region of a substrate, forming a first electrode in a second region of the substrate, forming a photoelectric conversion unit on the first electrode formed in the second region of the substrate to produce electricity using light incident on the photoelectric conversion unit, and forming a second electrode on the photoelectric conversion unit formed in the second region of the substrate.Type: GrantFiled: July 5, 2011Date of Patent: February 4, 2014Assignee: LG Electronics Inc.Inventors: Sungeun Lee, Jinhyung Ahn, Jeonghun Son
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Publication number: 20120211060Abstract: A thin-film solar cell module includes a plurality of solar cells including a first solar cell that is an outermost solar cell. The first electrode of the first solar cell is electrically open, and the first electrode of the first solar cell has a width smaller than widths of the first electrodes of the plurality of solar cells other than the first solar cell. By reducing a width of the outermost solar cell (that is a dead cell), the conversion efficiency of the thin-film solar cell module may be enhanced.Type: ApplicationFiled: February 21, 2012Publication date: August 23, 2012Inventors: Jinhyung AHN, Sungeun LEE, Jeonghun SON
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Publication number: 20120199072Abstract: A method and apparatus for manufacturing a silicon thin film layer and a manufacturing apparatus of a solar cell are disclosed. The manufacturing apparatus of solar cell comprises an outer chamber; an inner chamber disposed within the outer chamber; a container disposed at the inner chamber and which receives a fluid; and a heat exchanger disposed at the outside of the outer chamber and which exchanges heat of the fluid.Type: ApplicationFiled: April 17, 2012Publication date: August 9, 2012Inventors: Dongjoo You, Sehwon Ahn, Heonmin Lee, Sunho Kim, Jeonghun Son
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Publication number: 20120145218Abstract: A thin film solar cell module includes a substrate, a plurality of solar cells positioned on the substrate, a ribbon electrode positioned on an outermost solar cell of the plurality of solar cells, a plurality of conductive adhesive parts which are positioned between the outermost solar cell and the ribbon electrode and connect the outermost solar cell to the ribbon electrode, a junction box collecting electric power produced by the plurality of solar cells, and a bus bar electrode which is positioned across the plurality of solar cells and connects the junction box to the ribbon electrode. A distance between the plurality of conductive adhesive parts gradually decreases as the plurality of conductive adhesive parts are located closer to the bus bar electrode.Type: ApplicationFiled: February 21, 2012Publication date: June 14, 2012Inventors: Jeonghun SON, Jinhyung JUN, Jinhyung AHN, Sungeun LEE
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Publication number: 20120145227Abstract: A frame system for a solar cell module, the frame system includes: a first frame member including a first body that is configured to be fixed to a substrate of the solar cell module and a male coupling portion that is protruded from the first body; and a second frame member including a second body that is configured to be fixed to an installation object and a female coupling portion that is configured to be coupled to the male coupling portion, wherein at an outer surface of the male coupling portion, a protrusion including an inclined surface having an upper width smaller than a lower width and a separation prevention surface that is positioned at a lower end portion of the inclined surface is formed, and at an inside of the female coupling portion, a protrusion coupling portion that corresponds to the protrusion is formed.Type: ApplicationFiled: February 21, 2012Publication date: June 14, 2012Inventors: Jinhyung JUN, Jinhyung Ahn, Sungeun Lee, Jeonghun Son
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Publication number: 20120048330Abstract: Discussed herein are a thin film solar cell module and a fabricating method thereof. The solar cell module includes photoelectric conversion layers on the transparent electrode layer and including at least a first photoelectric conversion layer, a second photoelectric conversion layer and a third photoelectric conversion layer, the photoelectric conversion layers further including at least one of a first intermediate layer between the first and second photoelectric conversion layers, cut by first cutting grooves, and a second intermediate layer between the second and third photoelectric conversion layers, cut by second cutting grooves, the first intermediate layer and the second intermediate layer are respectively formed of a transparent conductive oxide (TCO). Thereby, internal shorts are prevented and and fill factor reduction due to shunt resistance generated during a scribing process is reduced or prevented.Type: ApplicationFiled: June 30, 2011Publication date: March 1, 2012Applicant: LG ELECTRONICS INC.Inventors: Jeonghun SON, Heonmin Lee, Jinhyung Ahn, Byungki Yang, Sungeun Lee, Youngjoo Eo
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Publication number: 20110265848Abstract: A thin film solar cell and a method of manufacturing the same are discussed. The method of manufacturing the thin film solar cell includes forming a plurality of cells, each cell including a first electrode on a substrate, a second electrode on the first electrode, and a photoelectric conversion unit between the first electrode and the second electrode, performing an edge deletion process to remove respective first portions of a first electrode, a second electrode, and a photoelectric conversion unit included in an outermost cell positioned at an end of the substrate among the plurality of cells, and performing an edge isolation process to remove respective second portions of the first electrode, the second electrode, and the photoelectric conversion unit included in the outermost cell.Type: ApplicationFiled: July 12, 2011Publication date: November 3, 2011Inventors: Jinhyung AHN, Sungeun Lee, Jeonghun Son
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Publication number: 20110259392Abstract: A thin film solar cell and a method of manufacturing the same are discussed. The method of manufacturing the thin film solar cell includes forming a masking jig in a first region of a substrate, forming a first electrode in a second region of the substrate, forming a photoelectric conversion unit on the first electrode formed in the second region of the substrate to produce electricity using light incident on the photoelectric conversion unit, and forming a second electrode on the photoelectric conversion unit formed in the second region of the substrate.Type: ApplicationFiled: July 5, 2011Publication date: October 27, 2011Inventors: Sungeun LEE, Jinhyung Ahn, Jeonghun Son
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Publication number: 20110079264Abstract: A solar cell module and a method for manufacturing the same are discussed. The solar cell module includes a substrate including an electricity generation area and an edge area that are divided by an insulating area, and a plurality of solar cells positioned in the electricity generation area. Each of the solar cells includes a transparent electrode on the substrate, a silicon electricity generation layer on the transparent electrode, and a back electrode on the silicon electricity generation layer. The back electrode of one solar cell is electrically connected to the transparent electrode of another solar cell adjacent to the one solar cell. A side of a transparent electrode of an outermost solar cell adjacent to the insulating area is covered by a side portion of a silicon electricity generation layer of the outermost solar cell exposed in the insulating area.Type: ApplicationFiled: October 6, 2010Publication date: April 7, 2011Inventors: Jeonghun Son, Seungjoon Lee, Heonmin Lee, Taeho Moon, Wonki Yoon, Jinhee Park, Sehwon Ahn, Youngjoo Eo
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Publication number: 20100210092Abstract: A method and apparatus for manufacturing a silicon thin film layer and a manufacturing apparatus of a solar cell are disclosed. The manufacturing apparatus of solar cell comprises an outer chamber; an inner chamber disposed within the outer chamber; a container disposed at the inner chamber and which receives a fluid; and a heat exchanger disposed at the outside of the outer chamber and which exchanges heat of the fluid.Type: ApplicationFiled: February 18, 2010Publication date: August 19, 2010Inventors: Dongjoo YOU, Sehwon Ahn, Heonmin Lee, Sunho Kim, Jeonghun Son
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Publication number: 20100206376Abstract: A solar cell, a method and apparatus for manufacturing a solar cell, and a method of depositing a thin film layer are disclosed. The manufacturing apparatus of a solar cell includes a substrate; a first electrode disposed on the substrate; a second electrode; and a photoelectric conversion layer disposed between the first electrode and the second electrode, wherein the photoelectric conversion layer includes a micro-crystalline silicon layer, and sensitivity of the micro-crystalline silicon layer is about 100 to about 1,000, the sensitivity being a ratio expressed as photo conductivity (PC)/dark conductivity (DC).Type: ApplicationFiled: February 12, 2010Publication date: August 19, 2010Inventors: Dongjoo You, Sehwon Ahn, Heonmin Lee, Sunho Kim, Jeonghun Son