Patents by Inventor Byung-Woo Ahn
Byung-Woo Ahn 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: 20240134292Abstract: A substrate treatment apparatus according to an aspect of the present invention includes: a support plate that supports a substrate and is provided with a heater member for heating the substrate; and a cooling unit for forcedly cooling the support plate, wherein the cooling unit includes: a cooling housing to provide a cooling space; a plurality of gas feed nozzles that is arranged in the cooling housing and supplies cooling gas toward the heater member; and a plurality of gas feed lines that is directly connected to the gas feed nozzles and supplies the cooling gas transferred from the outside to the gas feed nozzles.Type: ApplicationFiled: October 4, 2023Publication date: April 25, 2024Applicant: SEMES CO., LTD.Inventors: Minhee CHO, Hee Man AHN, Gyeong Won SONG, Jumi LEE, Chun Woo PARK, Byung Hwi KIM
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Publication number: 20240130164Abstract: A display device includes a substrate and a plurality of unit pixels disposed on the substrate. Each unit pixel includes a plurality of sub-pixels, a plurality of light sensing pixels, and a plurality of partition wall members. Each of the sub-pixels includes a light emitting element that emits light and a light emitting area from which the light is emitted. Each of the light sensing pixels includes a light receiving element that outputs a sensing signal corresponding to the light and a light receiving area that receives the light. In a plan view, each of the partition wall members surrounds the corresponding light receiving area and overlaps at least some of the sub-pixels.Type: ApplicationFiled: July 17, 2023Publication date: April 18, 2024Inventors: Byung Han YOO, Jung Woo PARK, Tae Kyung AHN, Gun Hee KIM, Dae Young LEE
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Publication number: 20190177485Abstract: The present invention relates to a resin composition comprising a polyarylene sulfide having an ? (branch ratio) of 0.4 to 0.7 according to the Mark-Houwink equation, a glass fiber, and a compatibilizer, wherein the resin composition is suitable for the manufacture of thin film parts due to having excellent ductility and dimensional stability.Type: ApplicationFiled: April 12, 2017Publication date: June 13, 2019Applicant: INITZ CO., LTD.Inventors: Hae-ri KIM, Jong-Wook SHIN, Byung-woo AHN
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Patent number: 10294368Abstract: The present invention relates to a polyarylene sulfide resin composition with a low outgas content, the composition containing: a polyarylene sulfide and a silane-modified epoxy resin. The polyarylene sulfide resin composition of the present invention shows excellent tensile strength and metal bonding strength as well as a low outgas content, and thus can be favorably used as a resin composition for manufacturing a product requiring molding accuracy.Type: GrantFiled: January 28, 2016Date of Patent: May 21, 2019Assignee: INITZ CO., LTD.Inventors: Byung-Woo Ahn, Jong-Wook Shin, Hyeoung-Geun Oh, Hae Ri Kim
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Publication number: 20190144609Abstract: The present invention provides a resin composition comprising a polyarylene sulfide, glass fiber, a mercaptosilane compound, and hydrotalcite, the resin composition having a chlorine content of 100 ppm or less and a sodium content of 50 ppm or less. The resin composition is excellent in chemical resistance against organic solvents and antifreeze resistance while maintaining excellent mechanical and thermal properties inherent to PAS, and thus the resin composition can be widely used in various fields requiring excellent chemical resistance and antifreeze resistance.Type: ApplicationFiled: March 31, 2017Publication date: May 16, 2019Applicant: INITZ CO., LTD.Inventors: Hae-ri KIM, Jong-Wook SHIN, Byung-woo AHN
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Publication number: 20180273754Abstract: The present invention relates to a polyarylene sulfide resin composition with a low outgas content, the composition containing: a polyarylene sulfide and a silane-modified epoxy resin. The polyarylene sulfide resin composition of the present invention shows excellent tensile strength and metal bonding strength as well as a low outgas content, and thus can be favorably used as a resin composition for manufacturing a product requiring molding accuracy.Type: ApplicationFiled: January 28, 2016Publication date: September 27, 2018Applicant: INITZ CO., LTD.Inventors: Byung-Woo AHN, Jong-Wook SHIN, Hyeoung-Geun OH, Hae Ri KIM
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Publication number: 20180265700Abstract: The present invention relates to a polyarylene sulfide resin composition with a low out-gas content, comprising: a polyarylene sulfide; and a phenoxy resin. The polyarylene sulfide resin composition of the present invention exhibits a low out-gas content and excellent tensile strength and metal adhesive strength, and thus can be useful as a resin composition for preparing a product requiring molding precision.Type: ApplicationFiled: April 18, 2016Publication date: September 20, 2018Applicant: INITZ CO., LTD.Inventors: Byung-Woo AHN, Jong-Wook SHIN, Hyeoung-Geun OH, Hae Ri KIM
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Patent number: 9777151Abstract: A polymer resin composition capable of providing a synthetic resin showing physical properties of improved heat resistance or impact resistance is provided, in which the polymer resin composition includes a polyester tetrapolymer containing a residue of a dicarboxylic acid component containing terephthalic acid and a residue of a diol component containing dianhydrohexitol, and one or more terpolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer, an alkyl methacrylate-diene-based rubber-aromatic vinyl graft terpolymer, and an alkyl methacrylate-silicone/alkyl acrylate graft terpolymer.Type: GrantFiled: February 6, 2014Date of Patent: October 3, 2017Assignee: SK CHEMICAL CO., LTDInventors: Dong-Cheol Sohn, Byung-Woo Ahn, Jong-Wook Shin, Jong-Ryang Kim
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Publication number: 20150368460Abstract: A polymer resin composition capable of providing a synthetic resin showing physical properties of improved heat resistance or impact resistance is provided, in which the polymer resin composition includes a polyester tetrapolymer containing a residue of a dicarboxylic acid component containing terephthalic acid and a residue of a diol component containing dianhydrohexitol, and one or more terpolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer, an alkyl methacrylate-diene-based rubber-aromatic vinyl graft terpolymer, and an alkyl methacrylate-silicone/alkyl acrylate graft terpolymer.Type: ApplicationFiled: February 6, 2014Publication date: December 24, 2015Applicant: SK CHEMICALS CO., LTD.Inventors: Dong-Cheol SOHN, Byung-Woo AHN, Jong-Wook SHIN, Jong-Ryang KIM
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Patent number: 8367753Abstract: According to preferred aspects, the present invention provides a polypropylene resin composition for creating a fabric texture, the polypropylene resin composition comprising: a polypropylene resin containing at least two selected from the group consisting of a homopolypropylene, a propylene-ethylene copolymer, and a high crystalline polypropylene (HCPP); a polypropylene elastomer; an ethylene-?-olefin copolymer; an inorganic filler; a cellulose fiber; and a volcanic rock. A molded product prepared using the polypropylene resin composition of the present invention has matt properties, do not cause odor due to their excellent VOC adsorption capabilities, and have excellent properties such as low temperature impact resistance, scratch resistance, etc.Type: GrantFiled: September 27, 2010Date of Patent: February 5, 2013Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Engineering Plastics Co., Ltd.Inventors: Jung Gyun Noh, Dae Sik Kim, Kyeong Hoon Jang, Byung-Woo Ahn, Jeong-Yeol Yu
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Publication number: 20110130487Abstract: According to preferred aspects, the present invention provides a polypropylene resin composition for creating a fabric texture, the polypropylene resin composition comprising: a polypropylene resin containing at least two selected from the group consisting of a homopolypropylene, a propylene-ethylene copolymer, and a high crystalline polypropylene (HCPP); a polypropylene elastomer; an ethylene-?-olefin copolymer; an inorganic filler; a cellulose fiber; and a volcanic rock. A molded product prepared using the polypropylene resin composition of the present invention has matt properties, do not cause odor due to their excellent VOC adsorption capabilities, and have excellent properties such as low temperature impact resistance, scratch resistance, etc.Type: ApplicationFiled: September 27, 2010Publication date: June 2, 2011Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI ENGINEERING PLASTICS CO., LTD.Inventors: Jung Gyun Noh, Dae Sik Kim, Kyeong Hoon Jang, Byung-Woo Ahn, Jeong-Yeol Yu
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Publication number: 20100010142Abstract: The present invention relates to polypropylene-based composite resin composition for an automotive interior trim. The polypropylene-based composite resin composition herein has relatively high rigidity and surface impact and relatively low molding shrinkage and coefficient of linear expansion, thus having superior dimensional stability.Type: ApplicationFiled: February 10, 2009Publication date: January 14, 2010Applicant: Hyundai Motor CompanyInventors: Jung Gyun NOH, Chi Hoon CHOI, Beom Ho KIM, Byung Woo AHN, Hyeon Don KIM