Patents by Inventor Joong-Hoon Lee
Joong-Hoon Lee 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: 20240139934Abstract: The inventive concept provides a teaching method for teaching a transfer position of a transfer robot. The teaching method includes: searching for an object on which a target object to be transferred by the transfer robot is placed, based on a 3D position information acquired by a first sensor; and acquiring coordinates of a second direction and coordinates of a third direction of the object based on a data acquired from a second sensor which is a different type from the first sensor.Type: ApplicationFiled: March 8, 2023Publication date: May 2, 2024Applicant: SEMES CO., LTD.Inventors: Jong Min Lee, Kwang Sup Kim, Myeong Jun Lim, Young Ho Park, Yeon Chul Song, Sang Hyun Son, Jun Ho Oh, Ji Hoon Yoo, Joong Chol Shin
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Publication number: 20240117985Abstract: The present invention relates to an artificial intelligence air conditioning control system and method using interpolation. The present invention provides an artificial intelligence air conditioning control system and method using interpolation that is capable of driving an optimal control value by estimating the desired air conditioning target value through interpolation on the output values resulted from training on only minimal air conditioning data.Type: ApplicationFiled: March 8, 2022Publication date: April 11, 2024Inventors: Wonshick KO, Jeong Hoon LEE, Joong Jae KIM
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Patent number: 11952652Abstract: Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.Type: GrantFiled: March 7, 2018Date of Patent: April 9, 2024Assignee: POSCO CO., LTDInventors: Il-Ryoung Sohn, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh, Han-Gu Cho, Bong-Hoon Chung, Jong-Seog Lee
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Patent number: 11938781Abstract: A vehicular heat management system includes a refrigerant circulation line configured to generate hot energy or cold energy depending on a flow direction of a refrigerant, a heater core side coolant circulation line configured to transfer refrigerant heat generated in the refrigerant circulation line to a heater core to heat a passenger compartment, and a battery side coolant circulation line configured to receive coolant heat of the heater core side coolant circulation line via a coolant and then circulate the coolant through a battery to preheat the battery.Type: GrantFiled: August 27, 2019Date of Patent: March 26, 2024Assignee: Hanon SystemsInventors: Hyeon Gyu Kim, Doo Hoon Kim, Kyung Ju An, Byeong Ha Lee, Jin Jae Lee, Joong Man Han
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Patent number: 11936029Abstract: A vehicular heat management system for individually cooling and heating a plurality of air conditioning regions of a vehicle includes a plurality of refrigerant circulation lines configured to cool and heat the air conditioning regions individually shared by the refrigerant circulation lines. The refrigerant circulation lines are provided with one or more air conditioning units for individually cooling and heating the respective air conditioning regions, and are configured to supply a refrigerant to the corresponding air conditioning units to individually cool and heat the air conditioning regions corresponding to the air conditioning units.Type: GrantFiled: February 26, 2020Date of Patent: March 19, 2024Assignee: Hanon SystemsInventors: Doo Hoon Kim, Hyeon Gyu Kim, Kyung Ju An, Jin Jae Lee, Joong Man Han
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Patent number: 10816712Abstract: The optical film according to the present invention uses polymethylmethacrylate that does not comprise cyclic monomers, but has excellent dimensional stability and optical properties, and thus, can be usefully used as a protection film of a polarization plate.Type: GrantFiled: May 29, 2017Date of Patent: October 27, 2020Assignee: LG Chem, Ltd.Inventors: Byoung Jun Mun, Joong Hoon Lee, Sung Ho Hwang, Sei Jung Park, Heon-Sik Song
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Patent number: 10633530Abstract: The resin composition for an optical material according to the present invention has features that it can implement a low retardation value during the preparation of an optical film, by using a polycarbonate composition satisfying a specific condition as a retardation-adjusting agent while using polymethyl methacrylate not containing a monomer having a cyclic structure at the main chain of the polymer.Type: GrantFiled: August 8, 2017Date of Patent: April 28, 2020Assignee: LG Chem, Ltd.Inventors: Joong Hoon Lee, Sei Jung Park, Sung Ho Hwang, Byoung Jun Mun, Heon-Sik Song
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Publication number: 20190025489Abstract: The optical film according to the present invention uses polymethylmethacrylate that does not comprise cyclic monomers, but has excellent dimensional stability and optical properties, and thus, can be usefully used as a protection film of a polarization plate.Type: ApplicationFiled: May 29, 2017Publication date: January 24, 2019Applicant: LG Chem, Ltd.Inventors: Byoung Jun Mun, Joong Hoon Lee, Sung Ho Hwang, Sei Jung Park, Heon-Sik Song
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Publication number: 20180273742Abstract: The resin composition for an optical material according to the present invention has features that it can implement a low retardation value during the preparation of an optical film, by using a polycarbonate composition satisfying a specific condition as a retardation-adjusting agent while using polymethyl methacrylate not containing a monomer having a cyclic structure at the main chain of the polymer.Type: ApplicationFiled: August 8, 2017Publication date: September 27, 2018Applicant: LG Chem, Ltd.Inventors: Joong Hoon Lee, Sei Jung Park, Sung Ho Hwang, Byoung Jun Mun, Heon-Sik Song
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Patent number: 9429682Abstract: There is provided a method for preparing an acrylic copolymer resin for an optical film includes: suspension-polymerizing an acrylic monomer containing a benzene ring, an alkyl(meth)acrylate monomer, and a (meth)acrylic acid monomer to prepare a copolymer; and thermally treating the copolymer at a temperature ranging from 240° C. to 300° C. As the method for preparing an acrylic copolymer of the present invention, a resin having an effectively lowered CTE can be manufactured by inducing the formation of a glutaric anhydride structure by using suspension polymerization that facilitates adjustment of the molecular weight of a resin.Type: GrantFiled: February 7, 2012Date of Patent: August 30, 2016Assignee: LG CHEM, LTD.Inventors: Eun-Jung Choi, Chang-Hun Han, Jae-Bum Seo, Beom-Seok Kim, Byoung-Il Kang, Nam-Jeong Lee, Su-Kyung Kim, Jun-Geun Um, Da-Eun Sung, Joong-Hoon Lee
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Patent number: 9388995Abstract: A method and system for minimizing an incomplete closing phenomenon between an elevator hole and an interior section and a stack effect problem such as strong wind generated when opening an elevator door, which are inevitably generated at upper floors of high-rise office buildings, are provided. The method includes determining a degree of pressurization of the interior section in accordance with target pressure resistance and reduction in passing wind when opening the elevator door, and calculating a supply air volume required for the pressurization and an exhaust air volume from an elevator shaft based on the determined degree of the pressurization.Type: GrantFiled: August 19, 2008Date of Patent: July 12, 2016Assignee: Samsung C & T CorporationInventors: Joong-Hoon Lee, Doo-Sam Song
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Patent number: 9346225Abstract: Provided is a method of preparing a resin composition for an optical film. The method includes forming a four-component copolymer by reacting an alkyl(meth)acrylate-based monomer, an acrylate-based monomer containing a benzene ring, and a (meth)acrylic acid monomer by using a continuous bulk polymerization method; and forming a resin composition for an optical film by removing unreacted monomer and solvent from a reaction product in a devolatilizer.Type: GrantFiled: April 5, 2012Date of Patent: May 24, 2016Assignee: LG CHEM, LTD.Inventors: Jae-Bum Seo, Chang-Hun Han, Dae-Woo Lee, Jung-Tae Park, Eun-Jung Choi, Byoung-Il Kang, Joon-Sik Kim, Nam-Jeong Lee, Sang-Min Kwak, Joong-Hoon Lee
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Patent number: 8928976Abstract: Provided are a resin composition and an optical film formed by using the same, and more particularly, a resin composition including 85 to 95 parts by weight of a matrix copolymer resin including an alkyl(meth)acrylate-based unit, an acryl-based unit containing a benzene ring, and a (meth)acrylic acid unit, and 5 to 15 parts by weight of a polymer resin having a molecular weight range of 150,000 to 1,000,000 and an optical film formed by using the composition. A resin composition according to the present invention may provide a protective film for a polarizing plate having excellent heat resistance and toughness as well as excellent optical properties, and thus, an optical film formed by using the resin composition of the present invention may be used in information electronic devices such as display devices for various applications.Type: GrantFiled: July 30, 2013Date of Patent: January 6, 2015Assignee: LG Chem, Ltd.Inventors: Byoung-Il Kang, Chang-Hun Han, Dae-Woo Lee, Jae-Bum Seo, Jung-Tae Park, Eun-Jung Choi, Joon-Sik Kim, Beom-Suk Kim, Nam-Jeong Lee, Sang-Min Kwak, Jun-Geun Um, Suk-Il Youn, Joong-Hoon Lee
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Publication number: 20140015152Abstract: There is provided a method for preparing an acrylic copolymer resin for an optical film includes: suspension-polymerizing an acrylic monomer containing a benzene ring, an alkyl(meth)acrylate monomer, and a (meth)acrylic acid monomer to prepare a copolymer; and thermally treating the copolymer at a temperature ranging from 240° C. to 300° C. As the method for preparing an acrylic copolymer of the present invention, a resin having an effectively lowered CTE can be manufactured by inducing the formation of a glutaric anhydride structure by using suspension polymerization that facilitates adjustment of the molecular weight of a resin.Type: ApplicationFiled: February 2, 2012Publication date: January 16, 2014Applicant: LG Chem, LtdInventors: Eun Jung Choi, Chang- Hun Han, Jae-Bum Seo, Beom-Seok Kim, Byouung-Il Kang, Nam-Jeong Lee, Su-Kyung Kim, Jun-Geun Um, Da-Eun Sung, Joong-Hoon Lee
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Publication number: 20140000801Abstract: Provided is a method of preparing a resin composition for an optical film. The method includes forming a four-component copolymer by reacting an alkyl(meth)acrylate-based monomer, an acrylate-based monomer containing a benzene ring, and a (meth)acrylic acid monomer by using a continuous bulk polymerization method; and forming a resin composition for an optical film by removing unreacted monomer and solvent from a reaction product in a devolatilizer.Type: ApplicationFiled: April 5, 2012Publication date: January 2, 2014Inventors: Jae-Bum Seo, Chang-Hun Han, Dae-Woo Lee, Jung-Tae Park, Eun-Jung Choi, Byoung-II Kang, Joon-Sik Kim, Nam-Jeong Lee, Sang-Min Kwak, Joong-Hoon Lee
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Publication number: 20130314785Abstract: Provided are a resin composition and an optical film formed by using the same, and more particularly, a resin composition including 85 to 95 parts by weight of a matrix copolymer resin including an alkyl(meth)acrylate-based unit, an acryl-based unit containing a benzene ring, and a (meth)acrylic acid unit, and 5 to 15 parts by weight of a polymer resin having a molecular weight range of 150,000 to 1,000,000 and an optical film formed by using the composition. A resin composition according to the present invention may provide a protective film for a polarizing plate having excellent heat resistance and toughness as well as excellent optical properties, and thus, an optical film formed by using the resin composition of the present invention may be used in information electronic devices such as display devices for various applications.Type: ApplicationFiled: July 30, 2013Publication date: November 28, 2013Applicant: LG Chem, Ltd.Inventors: Byoung-Il KANG, Chang-Hun HAN, Dae-Woo LEE, Jae-Bum SEO, Jung-Tae PARK, Eun-Jung CHOI, Joon-Sik KIM, Beom-Suk KIM, Nam-Jeong LEE, Sang-Min KWAK, Jun-Geun UM, Suk-Il YOUN, Joong-Hoon LEE
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Publication number: 20100130118Abstract: A method and system for minimizing an incomplete closing phenomenon between an elevator hole and an interior section and a stack effect problem such as strong wind generated when opening an elevator door, which are inevitably generated at upper floors of high-rise office buildings, are provided. The method includes determining a degree of pressurization of the interior section in accordance with target pressure resistance and reduction in passing wind when opening the elevator door, and calculating a supply air volume required for the pressurization and an exhaust air volume from an elevator shaft based on the determined degree of the pressurization.Type: ApplicationFiled: August 18, 2008Publication date: May 27, 2010Applicant: Samsung C & T CorporationInventors: Joong-Hoon Lee, Doo-Sam Song