Patents by Inventor Min-soo Ko

Min-soo Ko 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).

  • Publication number: 20230207150
    Abstract: The present disclosure is a conductive paste for a solar cell electrode comprising a metal powder, a glass frit, and an organic vehicle, wherein the discharge amount factor A of the bus-bar electrode can be calculated by Equation 1 below, and the discharge amount factor B of the finger electrode can be calculated by the following Equation 2, and |AB| relates to a conductive paste for a solar cell electrode, characterized in that it is 0.100 or less. A = Slip velocity × 10 / G ? ? ? × ? ? 0.01 B = 1/ G? ? ? × 0 .
    Type: Application
    Filed: December 29, 2020
    Publication date: June 29, 2023
    Inventors: Kang Ju PARK, In Chul KIM, Chung Ho KIM, Min Soo KO, Mun Seok JANG, Tae Hyun JUN, Hwa Joong KIM
  • Publication number: 20230141625
    Abstract: The present disclosure provides a conductive paste for a solar cell electrode, comprising a metal powder, a glass frit, a metal oxide, an organic binder and a solvent, wherein the metal oxide comprises at least one metal oxide selected from the group consisting of tungsten (W), antimony (Sb), nickel (Ni), copper (Cu), magnesium (Mg), calcium (Ca), ruthenium (Ru), molybdenum (Mo), and bismuth (Bi).
    Type: Application
    Filed: December 29, 2020
    Publication date: May 11, 2023
    Inventors: In Chul KIM, Chung Ho KIM, Kang Ju PARK, Min Soo KO, Mun Seok JANG, Tae Hyun JUN, Hwa Joong KIM
  • Patent number: 11309101
    Abstract: The present invention relates to a conductive paste for a solar cell electrode, including a metal powder, a glass frit, an organic binder, a silicone-based additive and a solvent, wherein the silicone-based additive includes trimethylsiloxy-terminated polydimethylsiloxane, whereby an electrode formed using the conductive paste can be improved in aspect ratio, that is, line width and line height, thus increasing conductivity, and a solar cell having high power generation efficiency can be provided by enlarging the light-receiving surface through decreasing the line width of the electrode.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: April 19, 2022
    Assignee: LS-NIKKO COPPER INC.
    Inventors: Chung Ho Kim, Hwa Young Noh, Mun Seok Jang, Tae Hyun Jun, In Chul Kim, Min Soo Ko
  • Publication number: 20220089475
    Abstract: Proposed is a conductive paste for a solar cell electrode. The conductive paste includes a metal powder, a glass frit, an organic vehicle, a silicone oil and an additive. The use of the silicone oil included in the conductive paste resolves the problem of phase separation and significantly improves slip properties of the conductive paste, thereby enabling the implementation of fine line widths.
    Type: Application
    Filed: November 29, 2019
    Publication date: March 24, 2022
    Inventors: Tae Hyun JUN, In Chul KIM, Min Soo KO, Hwa Young NOH, Mun Seok JANG, Chung Ho KIM, Kang Ju PARK
  • Publication number: 20220037542
    Abstract: Disclosed is a conductive paste for a solar cell electrode. The conductive paste contains a metal powder, a glass frit, an organic vehicle, and a wax solution. The wax solution is prepared by activating a wax-based compound in a polydimethylsiloxane-based compound. In addition, a method of preparing the conductive paste is disclosed. With the use of the conductive paste, it is possible to reliably form fine-patterned front electrodes for solar cells, to improve the electrical characteristics of the electrodes, and to improve power generation efficiency of solar cells.
    Type: Application
    Filed: November 29, 2019
    Publication date: February 3, 2022
    Inventors: Min Soo KO, In Chul KIM, Hwa Young NOH, Mun Seok JANG, Chung Ho KIM, Kang Ju PARK, Tae Hyun JUN
  • Publication number: 20220029036
    Abstract: Proposed is a conductive paste for a solar cell electrode. The conductive paste includes a metal powder, a glass frit, and an organic vehicle. The glass frit includes an alkali metal oxide, and the metal powder includes an alkali component.
    Type: Application
    Filed: November 29, 2019
    Publication date: January 27, 2022
    Inventors: Chung Ho KIM, In Chul KIM, Min Soo KO, Hwa Young NOH, Mun Seok JANG, Kang Ju PARK, Tae Hyun JUN
  • Publication number: 20200350444
    Abstract: The present invention provides a paste composition for a solar cell electrode, the paste composition including a conductive metal powder, a glass fit, and an organic vehicle, wherein the conductive metal powder includes at least two surface treatment parts positioned at the outer periphery thereof, and one of the surface treatment parts is formed by silicone oil.
    Type: Application
    Filed: October 18, 2018
    Publication date: November 5, 2020
    Inventors: Tae Hyun JUN, In Chul KIM, Min Soo KO, Hwa Young NOH, Mun Seok JANG, Chung Ho KIM, Kang Ju PARK, Hwa Joong KIM
  • Publication number: 20200335645
    Abstract: The present invention provides an electroconductive paste for a solar cell electrode, comprising a metal powder, glass frit, a metal oxide, an organic binder, and a solvent, wherein the metal oxide comprises an oxide of at least one kind of metal selected from a group consisting of tungsten (W), antimony (Sb), nickel (Ni), copper (Cu), magnesium (Mg), calcium (Ca), ruthenium (Ru), molybdenum (Mo), and bismuth (Bi).
    Type: Application
    Filed: October 18, 2018
    Publication date: October 22, 2020
    Applicants: LS-NIKKO COPPER INC., LS-NIKKO COPPER INC.
    Inventors: In Chul KIM, Hwa Joong KIM, Tae Hyun JUN, Min Soo KO, Mun Seok JANG, Hwa Young NOH, Chung Ho KIM, Kang Ju PARK
  • Publication number: 20200331796
    Abstract: A glass frit, according to an embodiment of the present invention, is a glass frit contained in a conductive paste for a solar cell electrode, which comprises an alkali metal oxide, wherein the total molar ratio of the alkali metal oxide to the total glass frit is 0.1 to 0.2.
    Type: Application
    Filed: October 17, 2018
    Publication date: October 22, 2020
    Inventors: Chung Ho KIM, Mun Seok JANG, Hwa Young NOH, In Chul KIM, Min Soo KO, Tae Hyun JUN, Kang Ju PARK
  • Publication number: 20200262741
    Abstract: The present invention relates to a conductive paste for a solar cell electrode, comprising: a metal powder; glass frit; and organic vehicles, wherein the glass frit includes a first glass frit having a first glass transition temperature and a second glass frit having a second glass transition temperature that is higher than the first glass transition temperature, wherein the glass frit is contained in an amount of 1-10% by weight with respect to the total weight of the paste, the content of the first glass frit being larger than that of the second glass frit. The present invention can improve the conversion efficiency and adhesion characteristics of a solar cell by using two or more kinds of glass frits having different glass transition temperatures in combination.
    Type: Application
    Filed: October 18, 2018
    Publication date: August 20, 2020
    Inventors: Mun Seok JANG, Hwa Young NOH, In Chul KIM, Min Soo KO, Tae Hyun JUN, Hwa Joong KIM, Kang Ju PARK, Chung Ho KIM
  • Publication number: 20200098487
    Abstract: The present invention relates to a conductive paste for a solar cell electrode, including a metal powder, a glass frit, an organic binder, a silicone-based additive and a solvent, wherein the silicone-based additive includes trimethylsiloxy-terminated polydimethylsiloxane, whereby an electrode formed using the conductive paste can be improved in aspect ratio, that is, line width and line height, thus increasing conductivity, and a solar cell having high power generation efficiency can be provided by enlarging the light-receiving surface through decreasing the line width of the electrode.
    Type: Application
    Filed: October 18, 2017
    Publication date: March 26, 2020
    Inventors: Chung Ho KIM, Hwa Young NOH, Mun Seok JANG, Tae Hyun JUN, In Chul KIM, Min Soo KO
  • Publication number: 20200024180
    Abstract: The present invention relates to a conductive paste for a solar cell electrode, including a metal powder, a glass frit and an organic vehicle, wherein the metal powder includes a metal powder having a sintering shrinkage rate of 15 to 30%, whereby the light-receiving area of the front electrode of a solar cell formed using the conductive paste including the metal powder having an increased sintering shrinkage rate can be enlarged and short-circuit current (Isc) can be increased, thus increasing the power generation efficiency of the solar cell.
    Type: Application
    Filed: October 18, 2017
    Publication date: January 23, 2020
    Inventors: Min Soo KO, In Chul KIM, Chung Ho KIM, Hwa Young NOH, Mun Seok JANG, Tae Hyun JUN
  • Publication number: 20190334040
    Abstract: The present invention provides a solar cell substrate on which an electrode is provided. The solar cell substrate includes the electrode having a lower printed layer formed by being printed with a conductive paste that contains a first metal powder and a first glass frit, and an upper printed layer formed by being printed on an upper surface of the lower printed layer with a conductive paste that contains a second metal powder and a second glass frit, and formed by sintering the lower and upper printed layers, wherein the second metal powder has an average particle diameter (D50) smaller than an average particle diameter (D50) of the first metal powder, and the second glass frit has a glass transition temperature higher than a glass transition temperature of the first glass frit.
    Type: Application
    Filed: October 18, 2017
    Publication date: October 31, 2019
    Applicant: LS-Nikko Copper Inc.
    Inventors: In Chul KIM, Min Soo KO, Chung Ho KIM, Hwa Young NOH, Mun Seok JANG, Tae Hyun JUN
  • Publication number: 20190284089
    Abstract: The present invention relates to a conductive paste composition for a solar cell electrode, including a conductive metal powder, a glass frit and an organic vehicle, wherein the glass frit has a specific composition that enables the formation of a side shape in which a surface slope, measured depending on the height relative to a wafer, increases and then decreases, and upon electrode formation using the conductive paste including such a glass frit, wetting characteristics and spreadability are improved such that the light-receiving area of a solar cell is enlarged, thus increasing short-circuit current, and contact resistance is also improved to thus increase a fill factor (FF), ultimately increasing the power generation efficiency of the solar cell.
    Type: Application
    Filed: October 18, 2017
    Publication date: September 19, 2019
    Inventors: Tae Hyun JUN, In Chul KIM, Min Soo KO, Hwa Young NOH, Mun Seok JANG, Chung Ho KIM
  • Publication number: 20120180864
    Abstract: There is provided a paste for the production of a solar cell electrode, which exhibits high electrical conductivity, low contact resistance, high aspect ratio, superior storage stability and excellent adhesive strength.
    Type: Application
    Filed: July 16, 2010
    Publication date: July 19, 2012
    Applicants: Dongjin Semichem Co., LTD
    Inventors: Kun-ho Hwang, Yong-jun Jung, Min-soo Ko, Mee-hye Jeong
  • Publication number: 20120111404
    Abstract: There is provided a thermosetting electrode paste sinterable at a low temperature. The electrode paste in accordance with the present invention has superior adhesion, high resolution, low contact resistance, superior storage stability and electrical resistivity so that it is widely applicable to the fields of radio frequency identification tags, printing circuit boards, solar cells, etc.
    Type: Application
    Filed: July 16, 2010
    Publication date: May 10, 2012
    Inventors: Kun-ho Hwang, Yong-jun Jung, Min-soo Ko, Mee-hye Jeong
  • Publication number: 20120061626
    Abstract: The invention is directed to a paste composition used for forming an electrode or wiring, wherein it comprises a) a conductive powder; b) a cellulose binder; c) an acrylate monomer; d) a radical polymerization initiator; and e) a solvent, and it is curable at a low temperature when compared to the prior paste compositions and it has excellent hardness, electrical resistivity and stability so that it can be usefully used for forming an electrode or wiring for a solar cell, RFID (Radio Frequency Identification) or PCB (Printed Circuit Board).
    Type: Application
    Filed: March 30, 2010
    Publication date: March 15, 2012
    Applicant: Dongjin Semichem Co., Ltd
    Inventors: Kun-ho Hwang, Yong-jun Jung, Min-soo Ko, Mee-Hye Jeong