Patents by Inventor Young Chul Kwon

Young Chul Kwon 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: 20240043675
    Abstract: A thermoplastic resin composition of the present invention comprises about 100 parts by weight of a rubber-modified aromatic vinyl-based copolymer resin; about 5 to about 25 parts by weight of a polyetheresteramide block copolymer; about to about 1.5 parts by weight of a silver (Ag)-based compound; and about 1 to about 15 parts by weight of zinc oxide, wherein the weight ratio of the polyetheresteramide block copolymer and the sum of the silver-based compound and the zinc oxide (polyetheresteramide block copolymer: silver-based compound+zinc oxide) is about 1:0.1 to about 1:2. The thermoplastic resin composition has excellent antiviral properties, weather resistance, impact resistance, and the like.
    Type: Application
    Filed: November 9, 2021
    Publication date: February 8, 2024
    Inventors: Eun Jin KIM, Dong Hui CHU, Young Chul KWON
  • Publication number: 20230407074
    Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a rubber-modified aromatic vinyl-based copolymer resin containing a diene-based rubber-modified vinyl-based graft copolymer, an acrylic rubber-modified vinyl-based graft copolymer, a large-particle diameter rubber copolymer having an average particle diameter of about 5 to about 10 p m, and an aromatic vinyl-based copolymer resin; about 5 to about 25 parts by weight of a polyetheresteramide block copolymer; about 0.05 to about 1.5 parts by weight of a silver (Ag)-based compound; and about 1 to about 15 parts by weight of zinc oxide, wherein the gloss degree of a 3.2-mm thick sample is about 40 to about 70%, as measured at an angle of 600 according to ASTM D523. The thermoplastic resin composition is excellent in low gloss, antiviral properties, weather resistance, impact resistance, and so on.
    Type: Application
    Filed: November 18, 2021
    Publication date: December 21, 2023
    Inventors: Gi Sun KIM, Dong Hui CHU, Young Chul KWON
  • Patent number: 11811185
    Abstract: A laser dicing device includes: a Gaussian laser beam emitter configured to emit a Gaussian laser beam having a Gaussian energy distribution; a laser beam modulator configured to modulate a shape of the emitted Gaussian laser beam by reducing intensity in a region surrounding a first line parallel with a laser dicing direction of the emitted Gaussian beam, the first line crossing a center of the Gaussian laser beam in a plan view; a focusing lens configured to focus a modulated Gaussian laser beam modulated by the laser beam modulator; and a substrate support configured that a substrate to be diced is seated on the support, wherein the focusing lens is configured to collect the modulated Gaussian laser beam inside the substrate seated on the substrate support.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-chul Kwon, Dong-woo Kang, Man-hee Han
  • Patent number: 11661510
    Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a base resin containing a rubber-modified vinyl-based graft copolymer, a large-diameter rubber polymer having an average particle size of about 3 to about 8 ?m, and an aromatic vinyl-based copolymer resin; and polyorganosilsesquioxane fine particles having an average particle size of about 0.1 to about 10 ?m. The thermoplastic resin composition is excellent in low gloss, weather resistance, and the like.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 30, 2023
    Assignee: Lotte Chemical Corporation
    Inventors: Eun Joo Lee, Yun Jeong Yang, Young Chul Kwon, Dong Hyun Park
  • Publication number: 20230102791
    Abstract: A method for dicing a substrate includes setting a target height for forming a first reforming region inside a target substrate, the target height being a distance from an upper surface of the target substrate to the first reforming region; irradiating a laser beam to a first sample substrate including a first film and a second film being in contact with the first film, and setting a target condition on the basis of a sample condition that results in forming a condensing point of the laser beam on an upper surface of the first film being in contact with the second film; and irradiating the target substrate with the laser beam according to the target condition to form the first reforming region inside the target substrate, wherein a thickness of the second film is the target height.
    Type: Application
    Filed: May 10, 2022
    Publication date: March 30, 2023
    Inventors: Sung Ho JANG, Min Hwan SEO, Jang Hwi LEE, Young Chul KWON, Sang Woo BAE, Akinori OKUBO, Jung Chul LEE, Won Don JOO
  • Patent number: 11505674
    Abstract: The present invention is characterized by including an aromatic vinyl-based copolymer, glass fiber, and zinc oxide, wherein the zinc oxide has an average particle size (D50) of about 0.5 to 3 ?m as measured by a particle size analyzer, and a size ratio (B/A) of peak B, spanning the range of 450 to 600 nm, to peak A, spanning the range of 370 to 390 nm, of about 0.01 to 1.0 when measuring photoluminescence. The thermoplastic resin composition exhibits excellent rigidity, antibacterial properties, weather resistance, external appearance and the like.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: November 22, 2022
    Assignee: Lotte Chemical Corporation
    Inventors: Dong Hui Chu, Gi Sun Kim, Young Chul Kwon
  • Publication number: 20220316208
    Abstract: A sound-absorbing non-combustible ceiling material and a method for manufacturing the same are disclosed. The method (S100) for manufacturing the sound-absorbing non-combustible ceiling material installed in a ceiling of a building includes a panel processing step (S1000) of processing each of a first panel including a metal and a second panel absorbing a sound wave; and a panel attaching step (S2000) of attaching the first panel and the second panel. The first panel includes a plurality of openings, and the first panel and the second panel are coupled by an adhesive layer to form the sound-absorbing non-combustible ceiling material.
    Type: Application
    Filed: May 28, 2021
    Publication date: October 6, 2022
    Applicant: ZENFIX CO., LTD.
    Inventors: Young Chul KWON, Seong-Hee CHOI, Chang-Seong YUN
  • Publication number: 20220259421
    Abstract: A thermoplastic resin composition according to the present invention comprises: about 100 parts by weight of a rubber-modified aromatic vinyl copolymer resin; about 5 to about 20 parts by weight of an epoxy group-containing vinyl copolymer; about 0.5 to about 5 parts by weight of a maleic anhydride-aromatic vinyl copolymer; about 8 to about 40 parts by weight of glass fibers; and about 10 to about 40 parts by weight of a phosphorus flame retardant, wherein the epoxy group-containing vinyl copolymer and the maleic anhydride-aromatic vinyl copolymer are present in a weight ratio of about 1:0.05 to about 1:0.5. The thermoplastic resin composition has good properties in terms of impact resistance, flame retardancy, heat resistance, fluidity, appearance characteristics, and the like.
    Type: Application
    Filed: June 29, 2020
    Publication date: August 18, 2022
    Inventors: Jin Seong LEE, Hyun Taek JEONG, Young Chul KWON, Hyun Ji OH
  • Publication number: 20220049084
    Abstract: A thermoplastic resin composition of the present invention is characterized by containing: about 100 parts by weight of a thermoplastic resin including rubber-modified vinyl-based graft copolymer and aromatic vinyl-based copolymer resins; about 10-50 parts by weight of a flame retardant other than a phosphorus-based compound; about 1.5-3.5 parts by weight of zinc oxide particles having an average particle size of about 0.2-3 ?m and a BET specific surface area of about 1-10 m2/g; and about 2.5-6.5 parts by weight of sodium phosphate. The thermoplastic resin composition has excellent antibacterial properties, flame retardant properties, and impact resistance properties.
    Type: Application
    Filed: December 9, 2019
    Publication date: February 17, 2022
    Inventors: Hyun Taek JEONG, Jin Seong LEE, Hyun Ji OH, Jun Hyuk HEO, Young Chul KWON
  • Publication number: 20210388140
    Abstract: A thermoplastic resin composition according to the present invention comprises: about 100 parts by weight of a thermoplastic resin comprising about 30 to about 60 wt % of a rubber-modified aromatic vinyl-based copolymer resin, about 30 to about 60 wt % of a polycarbonate resin, and about 5 to about 25 wt % of a polyester resin; about 0.1 to about 5 parts by weight of zinc oxide; about 0.1 to about 3 parts by weight of a phosphite compound comprising at least one type from among a phosphite compound represented by chemical formula 1 and a phosphite compound represented by chemical formula 2; and about 5 to about 30 parts by weight of a phosphorus-based flame retardant. The thermoplastic resin composition has excellent hydrolysis resistance, flame retardancy, and impact resistance, excellent balance of the foregoing physical properties, and the like.
    Type: Application
    Filed: December 16, 2019
    Publication date: December 16, 2021
    Inventors: Jin Seong LEE, Hyun Ji OH, Hyun Taek JEONG, Jun Hyuk HEO, Young Chul KWON
  • Patent number: 11180650
    Abstract: A thermoplastic resin composition of the present invention comprises: a base resin comprising a rubber modified vinyl-based graft copolymer, a large-diameter rubbery polymer having an average particle size of approximately 3,000-8,000 nm, and an aromatic vinyl-based copolymer resin; and zinc oxide having an average particle size of approximately 0.5-3 ?m and a specific surface area BET of approximately 1-10 m2/g. The thermoplastic resin composition has an excellent low gloss property, antibacterial property and the like.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: November 23, 2021
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ki Rim Lee, Young Chul Kwon, Dong Hui Chu
  • Publication number: 20210336401
    Abstract: A laser dicing device includes: a Gaussian laser beam emitter configured to emit a Gaussian laser beam having a Gaussian energy distribution; a laser beam modulator configured to modulate a shape of the emitted Gaussian laser beam by reducing intensity in a region surrounding a first line parallel with a laser dicing direction of the emitted Gaussian beam, the first line crossing a center of the Gaussian laser beam in a plan view; a focusing lens configured to focus a modulated Gaussian laser beam modulated by the laser beam modulator; and a substrate support configured that a substrate to be diced is seated on the support, wherein the focusing lens is configured to collect the modulated Gaussian laser beam inside the substrate seated on the substrate support.
    Type: Application
    Filed: July 6, 2021
    Publication date: October 28, 2021
    Inventors: Young-chul Kwon, Dong-woo Kang, Man-hee Han
  • Patent number: 11091621
    Abstract: A thermoplastic resin composition includes: about 100 parts by weight of a thermoplastic resin including about 35 wt % to about 55 wt % of a polycarbonate resin, about 3 wt % to about 9 wt % of a first rubber-modified aromatic vinyl graft copolymer, about 7 wt % to about 13 wt % of a second rubber-modified aromatic vinyl graft copolymer, and about 30 wt % to about 50 wt % of an aromatic vinyl copolymer resin; about 6 to about 13 parts by weight of a halogen compound; and about 8 to about 17 parts by weight of a phosphoric ester compound. The first rubber-modified aromatic vinyl graft copolymer is obtained by graft copolymerization of an alkyl(meth)acrylate, an aromatic vinyl monomer and a copolymerizable monomer to a rubber polymer, and the second rubber-modified aromatic vinyl graft copolymer is obtained by graft copolymerization of an aromatic vinyl monomer and a copolymerizable monomer to a rubber polymer.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: August 17, 2021
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jin Seong Lee, Gi Sun Kim, Hyun Ji Oh, Young Chul Kwon, Hyun Taek Jeong
  • Patent number: 11091624
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermoplastic resin comprising an acrylate rubber-modified vinyl graft copolymer and an aromatic vinyl copolymer resin; a crosslinked aromatic vinyl copolymer resin; and zinc oxide having an average particle size of about 0.3 to 3 ?m and a BET specific surface area of about 1 to 10 m2/g. The thermoplastic resin composition and the article formed therefrom are excellent in low-glossiness, weather resistance, antibacterial properties, etc.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 17, 2021
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Min Kyoung Ham, Dong Hyun Park, Eun Joo Lee, Young Chul Kwon, Yun Jeong Yang, Hyun Ji Oh
  • Publication number: 20210238405
    Abstract: The thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a thermoplastic resin containing about 15 to about 35 wt % of a diene-based rubber-modified vinyl-based graft copolymer, about 1 to about 10 wt % of an acrylate-based rubber-modified vinyl-based graft copolymer, and about 64 to about 84 wt % of an aromatic vinyl-based copolymer resin; and about 0.1 to about 5 parts by weight of zinc oxide having an average particle size of about 0.5 to about 3 ?m and a BET specific surface area of about 1 to about 10 m2/g. The thermoplastic resin composition has excellent weather resistance, impact resistance, stiffness, flame retardancy, and antibacterial properties.
    Type: Application
    Filed: June 11, 2019
    Publication date: August 5, 2021
    Inventors: Eun Joo LEE, Young Chul KWON
  • Patent number: 11075496
    Abstract: A laser dicing device includes: a Gaussian laser beam emitter configured to emit a Gaussian laser beam having a Gaussian energy distribution; a laser beam modulator configured to modulate a shape of the emitted Gaussian laser beam by reducing intensity in a region surrounding a first line parallel with a laser dicing direction of the emitted Gaussian beam, the first line crossing a center of the Gaussian laser beam in a plan view; a focusing lens configured to focus a modulated Gaussian laser beam modulated by the laser beam modulator; and a substrate support configured that a substrate to be diced is seated on the support, wherein the focusing lens is configured to collect the modulated Gaussian laser beam inside the substrate seated on the substrate support.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: July 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-chul Kwon, Dong-woo Kang, Man-hee Han
  • Patent number: 11066547
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermal stabilizer including a rubber-modified vinyl-based graft copolymer and a phenol-based thermoplastic resin thermal stabilizer including an aromatic vinyl-based copolymer resin and a phosphorus-based thermal stabilizer; and a zinc oxide which has an average particle size of approximately 0.5 to approximately 3 ?m and a specific surface area BET of approximately 1 to approximately 10 m2/g. The thermoplastic resin composition has excellent low-odor and antibacterial properties.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 20, 2021
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Eun Joo Lee, Young Chul Kwon
  • Patent number: 10946483
    Abstract: A laser apparatus may include a spectrum controller and a spectrum modulator. The spectrum controller may control a center wavelength and/or a bandwidth of a spectrum of a laser beam. The spectrum modulator may modulate the spectrum of the laser beam having the center wavelength and/or the bandwidth controlled by the spectrum controller. Thus, the laser beam may have the spectrum optimal for a semiconductor fabrication process. Particularly, the substrate may be accurately diced using the laser beam having the optimal spectrum.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Chul Kwon, Man-Hee Han
  • Publication number: 20200347220
    Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a base resin containing a rubber-modified vinyl-based graft copolymer, a large-diameter rubber polymer having an average particle size of about 3 to about 8 ?m, and an aromatic vinyl-based copolymer resin; and polyorganosilsesquioxane fine particles having an average particle size of about 0.1 to about 10 ?m. The thermoplastic resin composition is excellent in low gloss, weather resistance, and the like.
    Type: Application
    Filed: December 11, 2018
    Publication date: November 5, 2020
    Inventors: Eun Joo LEE, Yun Jeong YANG, Young Chul KWON, Dong Hyun PARK
  • Publication number: 20200298346
    Abstract: A laser apparatus may include a spectrum controller and a spectrum modulator. The spectrum controller may control a center wavelength and/or a bandwidth of a spectrum of a laser beam. The spectrum modulator may modulate the spectrum of the laser beam having the center wavelength and/or the bandwidth controlled by the spectrum controller. Thus, the laser beam may have the spectrum optimal for a semiconductor fabrication process. Particularly, the substrate may be accurately diced using the laser beam having the optimal spectrum.
    Type: Application
    Filed: July 22, 2019
    Publication date: September 24, 2020
    Inventors: Young-Chul KWON, Man-Hee HAN