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公开(公告)号：US11739183B2
公开(公告)日：2023-08-29
申请号：US16919353
申请日：2020-07-02
发明人： Hyunjeong Jeon , Sang Soo Jee , Kyeong-sik Ju
IPC分类号： C08G73/14 , C08G73/10 , C09D179/08 , C08J5/18 , C08G18/60 , C08G18/76 , C08G18/73 , C08G18/64 , C08G18/75 , G02F1/1333
CPC分类号： C08G73/14 , C08G18/603 , C08G18/6438 , C08G18/73 , C08G18/755 , C08G18/7621 , C08G73/1035 , C08J5/18 , C09D179/08 , G02F1/133308 , C08G2150/00 , C08J2379/08 , G02F1/133305 , G02F1/133331
摘要： A poly(amide-imide) copolymer including an amide structural unit having an amide bond in a polymer main chain and an imide structural unit having an imide bond in a polymer main chain, wherein at least one imide structural unit includes a moiety cross-linked to an adjacent polymer main chain through an amide bond.
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公开(公告)号：US10738164B2
公开(公告)日：2020-08-11
申请号：US15847063
申请日：2017-12-19
发明人： Hyunjeong Jeon , Sang Soo Jee , Kyeong-sik Ju
IPC分类号： C08G73/14 , C09D179/08 , C08J5/18 , C08G73/10 , C08G18/60 , C08G18/76 , C08G18/73 , C08G18/64 , C08G18/75 , G02F1/1333
摘要： A poly(amide-imide) copolymer including an amide structural unit having an amide bond in a polymer main chain and an imide structural unit having an imide bond in a polymer main chain, wherein at least one imide structural unit includes a moiety cross-linked to an adjacent polymer main chain through an amide bond.
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公开(公告)号：US10809421B2
公开(公告)日：2020-10-20
申请号：US15714436
申请日：2017-09-25
发明人： Sun Jin Song , Sang Soo Jee , Boreum Jeong , Hyunjeong Jeon , Chanjae Ahn
IPC分类号： G02B1/14 , C08G73/14 , C08G69/32 , C08G73/10 , C08G69/42 , C08G69/26 , C08G69/40 , C09D179/08 , C08J5/18 , C08J7/04 , G02B1/04 , G02F1/1333 , G02B5/20
摘要： A stacked transparent film includes a polymer film including at least one of an amide structural unit and an imide structural unit, wherein the polymer film has a refractive index of about 1.65 to about 1.75 at a 550 nanometer wavelength and an elastic modulus of greater than or equal to about 5.5 gigapascals; and at least one of a first coating layer on a first side of the polymer film and a second coating layer on a side opposite the first side of the polymer film.
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公开(公告)号：US10100153B2
公开(公告)日：2018-10-16
申请号：US15291603
申请日：2016-10-12
发明人： Sang Soo Jee , Hyunjeong Jeon , Sungwon Choi , Byunghee Sohn , Kyeong-sik Ju
摘要： A poly(imide-amide) copolymer includes: an imide structural unit which is a reaction product of a first diamine and a dianhydride, and an amide structural unit which is a reaction product of a second diamine and a diacyl halide, wherein each of the first diamine and the second diamine includes 2,2′-bis-trifluoromethyl-4,4′-biphenyldiamine, and at least one of the first diamine and the second diamine further includes a compound represented by Chemical Formula 1, wherein the dianhydride includes 3,3′,4,4′-biphenyltetracarboxylic dianhydride and 4,4′-hexafluoroisopropylidene diphthalic anhydride, wherein the diacyl halide includes terephthaloyl chloride (TPCl), and wherein an amount of the compound represented by Chemical Formula 1 is less than or equal to about 10 mole percent based on the total amount of the first diamine and the second diamine: NH2-A-NH2 Chemical Formula 1 wherein in Chemical Formula 1, A is the same as described in the detailed description.
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公开(公告)号：US11945199B2
公开(公告)日：2024-04-02
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 , B32B2250/03 , B32B2255/10 , B32B2255/26 , B32B2307/412 , B32B2307/418 , B32B2457/20
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：US11198762B2
公开(公告)日：2021-12-14
申请号：US16177937
申请日：2018-11-01
发明人： Hyunjeong Jeon , Sun Jin Song , Sunghyun Han , Won Suk Chang
IPC分类号： C08G73/10 , C08J5/18 , C09D179/08 , C08G73/14
摘要： A polyimide that is a reaction product of a diamine represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and a tetracarboxylic dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, L1, L2, Ra to Rf, m, R2, R10, R12, R13, n7, and n8 are the same as defined in the specification.
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公开(公告)号：US10508175B2
公开(公告)日：2019-12-17
申请号：US15720992
申请日：2017-09-29
发明人： Sungwon Choi , Chanjae Ahn , Hyunjeong Jeon , Sang Soo Jee , Byunghee Sohn , Won Suk Chang
IPC分类号： C08G77/445 , C08G77/455 , C08G77/04 , C08L83/12 , C08G73/14 , C08G73/10 , C08L79/08 , C09D179/08 , C08G77/00 , C08G77/16 , C08G77/18
摘要： A composition including a polyamideimide precursor modified with an alkoxysilane group and an oligosilica compound, wherein the oligosilica compound is a condensation reaction product of an organosilane diol and an alkoxysilane compound.
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公开(公告)号：US10240002B2
公开(公告)日：2019-03-26
申请号：US15346876
申请日：2016-11-09
发明人： Hongkyoon Choi , Chanjae Ahn , Hyunjeong Jeon , Sang Soo Jee , Sungwon Choi , Sung Woo Hong , Byunghee Sohn
IPC分类号： C08G73/14 , B32B27/00 , C09D179/08 , C09J179/08 , C08G73/10
摘要： A poly(imide-amide) copolymer including a structural unit represented by Chemical Formula 1; a structural unit represented by Chemical Formula 2; and any one of a structural unit represented by Chemical Formula 3, an amic acid precursor of the structural unit represented by Chemical Formula 3, and a combination thereof; wherein a cured material of the poly(imide-amide) copolymer may have a tensile modulus of greater than or equal to about 5.5 GPa, and a yellowness index of less than or equal to about 5: wherein, groups and variables in Chemical Formulae 1 and 3 are the same as described in the specification.
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公开(公告)号：US11602924B2
公开(公告)日：2023-03-14
申请号：US16594533
申请日：2019-10-07
发明人： Hyunjeong Jeon , A Ra Jo , Jungha Chae , Sun Jin Song , Boreum Jeong
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：US10072180B2
公开(公告)日：2018-09-11
申请号：US14744621
申请日：2015-06-19
发明人： Sungwon Choi , Chanjae Ahn , Sungwoo Hong , Byunghee Sohn , Hyunjeong Jeon , Kyeong-sik Ju
IPC分类号： C08G73/10 , C09D179/08 , B32B27/08 , C08G73/14
CPC分类号： C09D179/08 , C08G73/1028 , C08G73/1039 , C08G73/1042 , C08G73/1067 , C08G73/14
摘要： A composition for preparing an article including a poly(imide-amide) copolymer, the composition including (i) a copolymer obtained by reacting a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and a carboxylic acid dichloride to form a reaction product, followed by removing hydrochloric acid from the reaction product, (ii) an acid anhydride, and (iii) a solvent: Wherein group R1 in Chemical Formula 1 and group R2 in Chemical Formula 2 are the same as described in the specification.
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