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1.发明申请公开(公告)号：US20200148829A1
公开(公告)日：2020-05-14
申请号：US16676879
申请日：2019-11-07
发明人： Jungha CHAE , Kyeong-sik JU
摘要： A poly(amide-imide) copolymer that is a reaction product of a diamine represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, a dicarbonyl compound represented by Chemical Formula 3, and a tetracarboxylic acid dianhydride represented by Chemical Formula 4, a composition for preparing the poly(amide-imide copolymer, and an article including the copolymer, e.g., a film are provided: wherein, in Chemical Formulae 1 to 4, Ra, L1, L2, n1, A, R3, X, R10, R12, R13, n7 and n8 are the same as defined in the specification.
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公开(公告)号：US20190009505A1
公开(公告)日：2019-01-10
申请号：US16027870
申请日：2018-07-05
发明人： Sun Jin SONG , Seoung Jin SEO , Kyeong-sik JU , Jungha CHAE
IPC分类号： B32B27/08 , B32B7/12 , C08G73/14 , G02F1/1333
摘要： A laminated film including a first film; and a second film disposed on the first film, wherein a tensile modulus of the second film is greater than or equal to a tensile modulus of the first film, and a transmittance of the first film is greater than or equal to a transmittance of the second film, provided that at least one of the tensile modulus of the first film and the tensile modulus of the second film are not equal or the transmittance of the first film and the transmittance of the second film are not equal.
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公开(公告)号：US20210237407A1
公开(公告)日：2021-08-05
申请号：US17236323
申请日：2021-04-21
发明人： Sun Jin SONG , Seoung Jin SEO , Kyeong-sik JU , Jungha CHAE
摘要： A laminated film including a first film; and a second film disposed on the first film, wherein a tensile modulus of the second film is greater than or equal to a tensile modulus of the first film, and a transmittance of the first film is greater than or equal to a transmittance of the second film, provided that at least one of the tensile modulus of the first film and the tensile modulus of the second film are not equal or the transmittance of the first film and the transmittance of the second film are not equal.
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4.发明申请公开(公告)号：US20180305545A1
公开(公告)日：2018-10-25
申请号：US15958549
申请日：2018-04-20
发明人： Chanjae AHN , Jungha CHAE , Won Suk CHANG , A Ra JO , Sang Soo JEE , Sungwon CHOI
CPC分类号： C08L79/08 , C08G73/1007 , C08G73/1039 , C08G73/1042 , C08G73/1078 , C08G73/14 , C08J5/18 , C08J2379/08 , C08L2203/16 , C08L2203/20
摘要： A poly(amide-imide) copolymer including a reaction product of at least one tetracarboxylic acid dianhydride, at least one diamine, and at least one dicarboxylic acid derivative, wherein the at least one tetracarboxylic acid dianhydride includes a tetracarboxylic acid dianhydride represented by Chemical Formula 1, the at least one diamine includes a diamine represented by Chemical Formula 2, and the at least one dicarboxylic acid derivative includes a dicarboxylic acid derivative represented by Chemical Formula 3: wherein, R1 to R3, X1 and X2 are the same as defined in the specification.
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公开(公告)号：US20160185926A1
公开(公告)日：2016-06-30
申请号：US14980699
申请日：2015-12-28
发明人： Sun Jin SONG , Chanjae AHN , Kyeong-sik JU , Jungha CHAE , Sungwoo HONG
IPC分类号： C08J7/04
CPC分类号： C08J7/047 , C08G73/14 , C08J2369/00 , C08J2379/08 , C08J2400/21 , C08J2433/06 , C08J2463/00 , C08J2467/04 , C08J2475/04 , C08J2483/04 , G02B1/04 , G02B1/14
摘要： A window for a display device including a plastic substrate having yield strain of greater than or equal to about 0.8% at about 85 degrees Celsius and 85% relative humidity and a hard coating layer disposed on at least one side of the plastic substrate.
摘要翻译： 一种用于显示装置的窗口，包括在约85摄氏度和85％相对湿度下具有大于或等于约0.8％的屈服应变的塑料基板和设置在塑料基板的至少一侧上的硬涂层。
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公开(公告)号：US20230173798A1
公开(公告)日：2023-06-08
申请号：US18162801
申请日：2023-02-01
发明人： Hyunjeong JEON , A Ra JO , Jungha CHAE , Sun Jin SONG , Boreum JEONG
CPC分类号： B32B27/08 , B32B27/281 , B32B2255/26 , B32B2307/412 , B32B2457/20 , B32B2307/418 , B32B2255/10 , B32B2250/03
摘要： Disclosed are a laminated film including a light transmitting substrate; a hard coating layer; and an optical enhancement layer disposed between the light transmitting substrate and the hard coating layer or at a position facing the hard coating layer with the light transmitting substrate therebetween, wherein the light transmitting substrate includes a polyimide, a poly(amide-imide) copolymer, or a combination thereof, and the optical enhancement layer includes a copolymer comprising a polyimide, and a display device including the laminated film.
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公开(公告)号：US20200377658A1
公开(公告)日：2020-12-03
申请号：US16994636
申请日：2020-08-16
发明人： Jungha CHAE , Kyeong-sik JU
摘要： A poly(amide-imide) copolymer that is a reaction product of a diamine represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, a dicarbonyl compound represented by Chemical Formula 3, and a tetracarboxylic acid dianhydride represented by Chemical Formula 4: wherein, in Chemical Formulae 1 to 4, L1, R1 to R3, R10, R12, R13, a, b, c, d, A, X, n7 and n8 are the same as defined in the specification.
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8.发明申请公开(公告)号：US20180148543A1
公开(公告)日：2018-05-31
申请号：US15816079
申请日：2017-11-17
发明人： Jungha CHAE , Chanjae AHN , Kyeong-sik JU
CPC分类号： C08G73/14 , C08J5/18 , C08J2379/08
摘要： A polyimide film having tensile modulus of greater than or equal to about 5 gigapascals, and yellowness index of less than 2.5, when measured at a thickness of the film between 50 micrometers to 100 micrometers, wherein the polyimide film is a reaction product of a combination including an aromatic dianhydride and an aromatic diamine, wherein the aromatic dianhydride includes 4,4′-oxydiphthalic anhydride.
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公开(公告)号：US20170342224A1
公开(公告)日：2017-11-30
申请号：US15602616
申请日：2017-05-23
发明人： Jungha CHAE , Chanjae AHN , Kyeong-sik JU
摘要： A poly(amide-imide) copolymer film having a tensile modulus of greater than or equal to 5.4 GPa, and a yellowness index of less than or equal to 3.6, wherein the poly(amide-imide) copolymer film is a reaction product of an aromatic dianhydride including biphenyl tetracarboxylic dianhydride and 4,4′-hexafluoroisopropylidene diphthalic dianhydride, an aliphatic dianhydride including 1,2,3,4-cyclobutane tetracarboxylic dianhydride, an aromatic diamine including 2,2-bis(trifluoromethyl) benzidine, and an aromatic dicarbonyl compound including terephthaloyl dichloride.
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公开(公告)号：US20190048145A1
公开(公告)日：2019-02-14
申请号：US16059541
申请日：2018-08-09
发明人： Jungha CHAE , Kyeong-sik JU
摘要： A poly(amide-imide) copolymer that is a reaction product of a diamine represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, a dicarbonyl compound represented by Chemical Formula 3, and a tetracarboxylic acid dianhydride represented by Chemical Formula 4: wherein, in Chemical Formulae 1 to 4, L1, R1 to R3, R10, R12 , R13, a, b, c, d, A, X, n7 and n8 are the same as defined in the specification.
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