Patents by Inventor Yon-Kyun Song

Yon-Kyun Song 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: 20200306793
    Abstract: Provided is a surface-treated metallic material with easy control of glossiness and a manufacturing method therefor, the surface-treated metallic material comprising: a metallic material; and a coating layer which is formed on at least one side of the metallic material and on which an ultraviolet curable coating composition is cured, wherein the coating layer consists of a plurality of protrusions, which have a volume of 3 to 16 pico liters and are arranged at a density of 5 to 610 per 1 mm2 of the metallic material. As such, the surface-treated steel sheet is excellent in adhesion, scratch resistance and corrosion resistance, and has easy control of glossiness.
    Type: Application
    Filed: November 23, 2016
    Publication date: October 1, 2020
    Inventors: Jung-Hwan LEE, Ha-Na CHOI, Jin-Tae KIM, Yon-Kyun SONG, Bong-Woo HA
  • Publication number: 20200270521
    Abstract: A composition for washing a pickled steel plate and a method for washing a pickled steel plate using the same are provided. The composition for washing a pickled steel plate includes a phosphoric acid ester compound, an amine-based compound, sodium carbonate, ammonium acetate, ethylene diamine tetraacetic acid (EDTA) and a remainder of water, and the method for washing a pickled steel plate is performed using the same.
    Type: Application
    Filed: December 19, 2016
    Publication date: August 27, 2020
    Inventors: Rho-Bum PARK, Yon-Kyun SONG, Ji-Hoon PARK, Hoon YUN, Seok-Chan CHOE, Kyoung-Pil KO
  • Publication number: 20200255687
    Abstract: Provided is a coating composition having excellent corrosion resistance and fingerprint resistance, and also provides a stainless steel sheet having etching patterns and a manufacturing method therefor, the stainless steel sheet comprising: a stainless steel sheet; a coating layer, which is formed on the stainless steel sheet and is a cured product of the coating composition; and a quenching coated film layer formed on the coating layer and having a quenching effect, wherein: the coating layer, formed by curing the coating composition having excellent corrosion resistance and fingerprint resistance, is transparent and has high gloss, thereby having an effect of enabling the surface characteristics of the stainless steel sheet to be expressed as they are; the stainless steel sheet having etching patterns has excellent corrosion resistance and fingerprint resistance even on the parts thereof on which the etching patterns are not formed.
    Type: Application
    Filed: November 24, 2016
    Publication date: August 13, 2020
    Inventors: Jin-Tae KIM, Ha-Na CHOI, Yang-Ho CHOI, Jung-Hwan LEE, Yon-Kyun SONG, Jong-Kook KIM
  • Patent number: 10696858
    Abstract: An ink composition for a printed steel sheet, having excellent adhesion to a steel sheet, processability, solvent resistance, and the like, a method for manufacturing a printed steel sheet using the same, and a printed steel sheet manufactured thereby, are provided. The ink composition for a steel material includes 10 to 30 parts by weight of a mixture of a urethane acrylate oligomer and another type of acrylate oligomer different from the urethane acrylate oligomer, 65 to 80 parts by weight of a radiation curable monomer which is a mixture of a monofunctional radiation curable monomer and a di- or more functional radiation curable monomer, 1 to 10 parts by weight of a photoinitiator, and 0.01 to 10 parts by weight of an adhesion promoter.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 30, 2020
    Assignees: POSCO, INKTEC CO., LTD.
    Inventors: Ha-Na Choi, Kyung-Pyo Yu, Jin-Tae Kim, Chan-Hee Park, Jung-Hwan Lee, Yon-Kyun Song
  • Publication number: 20200079056
    Abstract: Provided are a high manganese hot dip aluminum-plated steel sheet and a method for manufacturing the same, the steel sheet including: a base steel comprising, by wt %, 0.3-0.9% of C, 10-25% of Mn, 0.01-0.5% of Ti, 0.01-0.2% of Sn, 0.01-0.1% of Sb, and the balance of Fe and inevitable impurities; a hot dip aluminum-based steel plated layer formed on the base steel sheet and comprising 0.1 wt % or more of a sum of one or more types among Li, Na, and K, and the balance of Al and inevitable impurities; and an Al—Fe—Si—Mn based alloy layer formed between the base steel sheet and the aluminum-based plated layer, and having a dual structure with different average Fe amounts.
    Type: Application
    Filed: December 21, 2017
    Publication date: March 12, 2020
    Inventors: Young-Ha KIM, Chang-Sik CHOI, Yon-Kyun SONG, Kwang-Tai MIN
  • Publication number: 20200017946
    Abstract: Provided are a hot-dipped galvanized steel material and a method for manufacturing the same. The hot-dipped galvanized steel material comprises an iron substrate and a hot-dipped galvanizing layer formed on the iron substrate, wherein the hot-dipped galvanizing layer comprises, by wt %, 0.01 to 0.5% of Al, 0.01 to 1.5% of Mg, 0.05 to 1.5% of Mn, 0.1 to 6% of Fe, and the balance of Zn and inevitable impurities, with a Zn—Fe—Mn based alloy phase present at the interface between the iron substrate and the hot-dipped galvanizing layer, and an area ratio of the Zn—Fe—Mn-based alloy phase to the hot-dipped galvanizing layer ranging from 1 to 60%.
    Type: Application
    Filed: December 21, 2017
    Publication date: January 16, 2020
    Inventors: Suk-Kyu LEE, Sang-Heon KIM, Kwang-Tai MIN, Yon-Kyun SONG
  • Publication number: 20190381764
    Abstract: Provided is a hot dip aluminized steel material including a base steel and a hot-dip Al—Si-coated layer, wherein the surface layer of the base steel is provided with an Al-enriched layer in which 2 wt % to 20 wt % of Al is solid-solubilized, and an interface between the base steel and the hot-dip Al—Si-coated layer has a double-layer structured interfacial alloy layer having different hardnesses.
    Type: Application
    Filed: December 22, 2017
    Publication date: December 19, 2019
    Inventors: Ki-Cheol KANG, Hyeon-Seok HWANG, Yon-Kyun SONG, Il-Jeong PARK
  • Publication number: 20190315977
    Abstract: Provided are a zinc-base plated steel material comprising a base steel and a zinc-based plated layer and a post-treatment film, which are sequentially formed on the base steel. The post-treatment film comprises an oxide or oxide salt of at least one group A element selected from B, Al, V, and Fe and an organic compound, wherein the content of oxygen atoms in the post-treatment film is 50 atom % or more, and wherein when the mole number of oxygen atoms forming a covalent bond with hydrogen in the post-treatment film is a and the mole number of oxygen atoms not forming the covalent bond with hydrogen is b, a/b is 0.3 or greater; and a composition for forming the post-treatment film.
    Type: Application
    Filed: December 22, 2017
    Publication date: October 17, 2019
    Inventors: Yeon-Ho KIM, Yong-Woon KIM, Yung-Keun KIM, Yon-Kyun SONG
  • Publication number: 20190194792
    Abstract: Disclosed are a hot-rolled galvanized steel sheet having excellent galling resistance and formability, and a method for manufacturing the same. The hot-rolled galvanized steel sheet, includes: a base steel; and a hot-rolled galvanizing layer formed on the surface of the base steel, wherein the hot-rolled galvanizing layer provides a hot-rolled galvanized steel sheet having a Mn crystallite having a size of 10 ?m or less between the resin dendrites of zinc that form sequins.
    Type: Application
    Filed: August 22, 2017
    Publication date: June 27, 2019
    Inventors: Sang-Heon KIM, Hyeon-Seok HWANG, Suk-Kyu LEE, Sun-Ho JEON, Yon-Kyun SONG, Bong-Hwan YOO
  • Publication number: 20190002718
    Abstract: An ink composition for a printed steel sheet, having excellent adhesion to a steel sheet, processability, solvent resistance, and the like, a method for manufacturing a printed steel sheet using the same, and a printed steel sheet manufactured thereby, are provided. The ink composition for a steel material includes 10 to 30 parts by weight of a mixture of a urethane acrylate oligomer and another type of acrylate oligomer different from the urethane acrylate oligomer, 65 to 80 parts by weight of a radiation curable monomer which is a mixture of a monofunctional radiation curable monomer and a di- or more functional radiation curable monomer, 1 to 10 parts by weight of a photoinitiator, and 0.01 to 10 parts by weight of an adhesion promoter.
    Type: Application
    Filed: December 21, 2016
    Publication date: January 3, 2019
    Inventors: Ha-Na CHOI, Kyung-Pyo YU, Jin-Tae KIM, Chan-Hee PARK, Jung-Hwan LEE, Yon-Kyun SONG
  • Publication number: 20180363147
    Abstract: Provided are a method for coating a steel plate with a metal and a metal-coated steel plate manufactured by the method. The method includes: heating powder of a first metal at a temperature lower than a softening temperature; heating a gas to a temperature of 200° C. to 600° C.; vacuum-ejecting the heated first metal powder together with the heated gas to form a metal coating layer; and forming a plating layer of a second metal on the metal coating layer.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 20, 2018
    Inventors: Yeon-Ho KIM, Ki-Cheol KANG, Chang-Se BYEON, Yon-Kyun SONG
  • Publication number: 20180230323
    Abstract: Provided is an ink composition for an inkjet print steel plate, an inkjet print steel plate using the same, and a method for producing an inkjet print steel plate. The ink composition comprises: a linear acrylate-based oligomer; a reactive acrylate-based monomer; an ultraviolet curable initiator; at least one selected from the group consisting of a dye and a pigment; and at least one selected from the group consisting of an antioxidant, an antifoaming agent, and a dispersant.
    Type: Application
    Filed: August 12, 2016
    Publication date: August 16, 2018
    Inventors: Jin-Tae KIM, Jung-Hwan LEE, Ha-Na CHOI, Yon-Kyun SONG
  • Patent number: 9683294
    Abstract: A conversion coating composition comprising 0.01 wt % to 0.2 wt % of phosphorous (P); 0.01 wt % to 0.2 wt % of magnesium (Mg); 0.005 wt % to 0.15 wt % of zirconium (Zr); 0.005 wt % to 0.15 wt % of titanium (Ti); 0.005 wt % to 0.15 wt % of vanadium (V); 0.05 wt % to 1 wt % of phenol resin; the balance of water and other unavoidable impurities is provided. A surface treated steel sheet comprising a base steel sheet; a zinc or zinc alloy plated layer formed on the base steel sheet; a blackening layer formed on the zinc or zinc alloy plated layer; and an organic and inorganic complex conversion coating layer formed on the blackening layer, wherein the organic and inorganic complex conversion coating layer may satisfy the weight ratio of P:Mg:Zr:Ti:V=1:0.045 to 2:0.035 to 1.5:0.035 to 1.3:0.035 to 1.5 (based on the weight of P) is also provided. A method for manufacturing a steel sheet treated with the conversion coating composition is also provided.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: June 20, 2017
    Assignee: POSCO
    Inventors: Yeon-Ho Kim, Young-Jin Kwak, Yon-Kyun Song, Yang-Ho Choi, Tae-Yeob Kim, Kyoung-Pil Ko, Chang-Hoon Choi, Jong-Sang Kim
  • Publication number: 20160326655
    Abstract: A substrate containing magnesium treated with color development, according to the present invention, comprises a coating having a structure in which crystals having a plate-shaped structure are horizontally even and densely stacked on a matrix containing magnesium, thereby maintaining a texture and sheen unique to the metal while enabling even development of a plurality of colors on the surface by controlling the average thickness of the coating, according to the amount of stacking of the crystals, and thus can be useful in areas using metal materials, such as external materials for construction, vehicle interiors, and especially in electrical and electronic parts material fields such as in mobile phone case parts.
    Type: Application
    Filed: December 26, 2014
    Publication date: November 10, 2016
    Inventors: Hyunju JEONG, Yon-Kyun SONG, Min Hong Hong SEO, Kanghwan AHN, Yeong-Woo JEON
  • Publication number: 20160319437
    Abstract: This color-treated base material, which comprises a matrix comprising magnesium, a film formed on the matrix and containing a compound represented by chemical formula 1, and a wavelength conversion layer formed on the film, can improve the durability of the base material while maintaining the unique metal texture and gloss of the base material and can uniformly realize various colors, such as blue and green, including an achromatic color such as black, on the surface of the base material and thus can be usefully used in the fields of building exterior materials, automobile interiors, and particularly electrical/electronic component materials, such as mobile product frames, in which a metal material is used.
    Type: Application
    Filed: December 26, 2014
    Publication date: November 3, 2016
    Applicant: POSCO
    Inventors: Hyunju JEONG, Kyoung-Bo KIM, Yon-Kyun SONG, Jeong-Hee LEE, Yun Ha YOO
  • Patent number: 9376576
    Abstract: Provided are a resin composition for surface treatment and a surface-treated steel sheet coated therewith. The resin composition for surface treatment includes a dispersing element having excellent thermal conductivity and heat dissipation, thereby maintaining physical properties of the conventional anti-fingerprint steel sheet, for example, high whiteness, fingerprint resistance, workability, electric conductivity and alkali resistance, and providing heat dissipation. In addition, the surface-treated steel sheet coated with the resin composition for surface treatment of the present invention has physical properties such as high heat dissipation, electric conductivity and whiteness, and thus may be replaced with a bottom chassis of a backlight unit, particularly, an edge-type backlight unit.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: June 28, 2016
    Assignees: POSCO, Noroo Coil Coatings, Co., Ltd.
    Inventors: Yong-Gyun Jung, Gab-Yong Kim, Woon-Jong Kim, Jae-Dong Cho, Jong-Sang Kim, Joong-Kyu Kim, Myoung-Hee Choi, Yon-Kyun Song
  • Publication number: 20150218705
    Abstract: A conversion coating composition comprising 0.01 wt % to 0.2 wt % of phosphorous (P); 0.01 wt % to 0.2 wt % of magnesium (Mg); 0.005 wt % to 0.15 wt % of zirconium (Zr); 0.005 wt % to 0.15 wt % of titanium (Ti); 0.005 wt % to 0.15 wt % of vanadium (V); 0.05 wt % to 1 wt % of phenol resin; the balance of water and other unavoidable impurities is provided. A surface treated steel sheet comprising a base steel sheet; a zinc or zinc alloy plated layer formed on the base steel sheet; a blackening layer formed on the zinc or zinc alloy plated layer; and an organic and inorganic complex conversion coating layer formed on the blackening layer, wherein the organic and inorganic complex conversion coating layer may satisfy the weight ratio of P:Mg:Zr:Ti:V=1:0.045 to 2:0.035 to 1.5:0.035 to 1.3:0.035 to 1.5 (based on the weight of P) is also provided. A method for manufacturing a steel sheet treated with the conversion coating composition is also provided.
    Type: Application
    Filed: December 21, 2012
    Publication date: August 6, 2015
    Inventors: Yeon-Ho Kim, Young-Jin Kwak, Yon-Kyun Song, Yang-Ho Choi, Tae-Yeob Kim, Kyoung-Pil Ko, Chang-Hoon Choi, Jong-Sang Kim
  • Patent number: 8956734
    Abstract: Provided is a black resin steel plate having superior drawing ability and glossiness and particularly to a black resin steel plate in which the coefficient of friction of a black resin film is adjusted so as to block the transfer of a resin layer due to a reduction in thickness of the resin layer, thereby improving blackness and drawing ability, and to a method of manufacturing the same.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: February 17, 2015
    Assignee: Posco
    Inventors: Yon Kyun Song, Chang Hoon Choi, Yeon Ho Kim, Jae Dong Cho
  • Publication number: 20140147645
    Abstract: Provided are a resin composition for surface treatment and a surface-treated steel sheet coated therewith. The resin composition for surface treatment includes a dispersing element having excellent thermal conductivity and heat dissipation, thereby maintaining physical properties of the conventional anti-fingerprint steel sheet, for example, high whiteness, fingerprint resistance, workability, electric conductivity and alkali resistance, and providing heat dissipation. In addition, the surface-treated steel sheet coated with the resin composition for surface treatment of the present invention has physical properties such as high heat dissipation, electric conductivity and whiteness, and thus may be replaced with a bottom chassis of a backlight unit, particularly, an edge-type backlight unit.
    Type: Application
    Filed: July 13, 2012
    Publication date: May 29, 2014
    Applicants: NOROO COIL COATINGS, CO., LTD., POSCO
    Inventors: Yong-Gyun Jung, Gab-Yong Kim, Woon-Jong Kim, Jae-Dong Cho, Jong-Sang Kim, Joong-Kyu Kim, Myoung-Hee Choi, Yon-Kyun Song
  • Publication number: 20130244053
    Abstract: Provided is a black resin steel plate having superior drawing ability and glossiness and particularly to a black resin steel plate in which the coefficient of friction of a black resin film is adjusted so as to block the transfer of a resin layer due to a reduction in thickness of the resin layer, thereby improving blackness and drawing ability, and to a method of manufacturing the same.
    Type: Application
    Filed: November 4, 2011
    Publication date: September 19, 2013
    Applicant: POSCO
    Inventors: Yon Kyun Song, Chang Hoon Choi, Yeon Ho Kim, Jae Dong Cho