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公开(公告)号：US11059954B2
公开(公告)日：2021-07-13
申请号：US15397180
申请日：2017-01-03
发明人： A Ra Jo , Chanjae Ahn , Byunghee Sohn , Kyeong-sik Ju
摘要： A composition for preparing an article including a polyimide or poly(imide-amide) copolymer, the composition including (1) at least one of (i) a polyimide, a polyamic acid, or a poly(imide-amic acid) including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2; and (ii) a poly(imide-amide) copolymer, a poly(amic acid-amide) copolymer, or a poly(imide and amic acid-amide) copolymer including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and a structural unit represented by Chemical Formula 3, and (2) a compound having a maximum absorption wavelength at about 570 nm or more in a visible radiation region: wherein in Chemical Formulae 1 to 3, A, B, D, and E are the same as defined 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：US10927218B2
公开(公告)日：2021-02-23
申请号：US16126270
申请日：2018-09-10
发明人： Boreum Jeong , Sang Soo Jee , Won Suk Chang , Kyeong-sik Ju , Chanjae Ahn , A Ra Jo , Sungwon Choi
摘要： A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted aromatic diamine having a maximum absorption wavelength in a range from 500 nanometers (nm) to 650 nm in a visible light region, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.
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公开(公告)号：US11926127B2
公开(公告)日：2024-03-12
申请号：US16929382
申请日：2020-07-15
发明人： Chanjae Ahn , Sun Jin Song , Won Suk Chang , Boreum Jeong , A Ra Jo , Kyeong-Sik Ju , Sungwon Choi
CPC分类号： B32B27/34 , B32B27/08 , B32B27/283 , C08G69/265 , C08G69/42 , C08J7/0427 , C08J7/046 , G02B1/14 , B32B2307/412 , B32B2307/536 , B32B2457/20 , C08J2377/06 , C08J2483/04
摘要： Disclosed is a window film for a display device including a light transmitting substrate including a polyamide including a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and a hard coating layer laminated on one surface of the light transmitting substrate:
in Chemical Formula 1 and Chemical Formula 2, each of A1, A2, B, and D is the same as defined in the detailed description.-
公开(公告)号：US11898012B2
公开(公告)日：2024-02-13
申请号：US17246926
申请日：2021-05-03
发明人： A Ra Jo , Chanjae Ahn , Sungwon Choi , Won Suk Chang , Boreum Jeong
CPC分类号： C08G73/14 , B29C41/003 , B29C41/46 , C08G73/1039 , C08G73/1042 , C08J5/18 , B29K2079/08 , B29L2007/008 , C08J2379/08
摘要： A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3:
NH2-A-NH2 Chemical Formula 1
wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.-
公开(公告)号：US11028227B2
公开(公告)日：2021-06-08
申请号：US16126250
申请日：2018-09-10
发明人： A Ra Jo , Chanjae Ahn , Sungwon Choi , Won Suk Chang , Boreum Jeong
摘要： A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.
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公开(公告)号：US10689513B2
公开(公告)日：2020-06-23
申请号：US15419019
申请日：2017-01-30
发明人： Chanjae Ahn , Sungwon Choi , Byunghee Sohn , A Ra Jo , Kyeong-sik Ju , Sang Soo Jee , Hongkyoon Choi
IPC分类号： C08L79/08 , C08G73/10 , C08K3/105 , C08G69/32 , C09D179/08 , C08G73/06 , C08K5/00 , C08K3/16 , C08K3/28 , C08G73/14
摘要： A composition for preparing an article including a polyimide or poly(imide-amide) copolymer, the composition including (1) a solution including at least one of (i) a polymer including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2; and (ii) a copolymer including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and a structural unit represented by Chemical Formula 3, and (2) a metallic salt soluble in the solution of the polymer and/or the copolymer, wherein the metallic salt is a salt of a metal selected from a Group 1 element, a Group 11 element, a Group 13 element, and a Group 14 element: wherein in Chemical Formulae 1 to 3, A, B, D, and E are the same as defined in the detailed description.
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公开(公告)号：US11851540B2
公开(公告)日：2023-12-26
申请号：US16943166
申请日：2020-07-30
发明人： Boreum Jeong , Chanjae Ahn , Hye Young Kong , Sun Jin Song , A Ra Jo , Kyeong-sik Ju
CPC分类号： C08J5/18 , B32B7/023 , B32B27/08 , B32B27/281 , B32B27/34 , B32B2250/02 , B32B2250/24 , B32B2255/10 , B32B2270/00 , B32B2307/418 , C08J2379/08
摘要： A laminated film which includes a first layer including a poly(amide-imide) copolymer, and a second layer laminated on at least one surface of the first layer. The second layer includes a poly(amide-imide) copolymer, polyimide, or a combination thereof, which has an amide content of less than or equal to about 30 mol %. The poly(amide-imide) copolymer included in the first layer has a weight average molecular weight of about 30,000 grams/mole to about 200,000 grams/mole, and the polyimide, the poly(amide-imide) copolymer, or the combination thereof, of the second layer has a weight average molecular weight of about 10,000 grams/mole to about 50,000 grams/mole, and the composition for preparing the laminated film.
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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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10.发明申请公开(公告)号：US20170371082A1
公开(公告)日：2017-12-28
申请号：US15540018
申请日：2015-05-13
发明人： A Ra Jo , Bae Wook Lee , Lee Hwa Song , Ki Ho Park , Boem Deok Lee
CPC分类号： G02B5/3033 , B29C55/02 , B29C55/12 , B29K2029/04 , G02B1/14 , G02B5/30
摘要： The present invention relates to an optical film including a polarizing film, and a manufacturing method therefor. The optical film of the present invention can include the polarizing film having an orthogonal transmittance of less than 0.5% in a wavelength of a range of 405-735 nm.
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