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公开(公告)号：US09649791B2
公开(公告)日：2017-05-16
申请号：US14251789
申请日：2014-04-14
发明人： Sung Woo Hong , Woo-Jin Bae , Chan Jae Ahn , Won Suk Chang , A ra Jo , Sung Won Choi
IPC分类号： B29C41/46 , C08G73/14 , B29D11/00 , B29C41/00 , C08L79/08 , B29C39/00 , C09D179/08 , C08G73/10 , B29K79/00
CPC分类号： B29C41/46 , B29C39/003 , B29C41/003 , B29D11/00788 , B29K2079/08 , C08G73/1039 , C08G73/1042 , C08G73/1067 , C08G73/14 , C08L79/08 , C09D179/08 , G02B1/041 , C08L33/24
摘要： A method of preparing an optical film, preparing a coating composition including an amic acid-containing polymer represented by Chemical Formula 1 and at least one polymerization aid selected from an alkyl phosphite, an aryl phosphite, an alkyl phosphate, and an aryl phosphate; providing the coating composition on a substrate to form a coating layer; and applying heat to the coating layer to prepare a cured film: wherein, in Chemical Formula 1, are the same or different in each repeating unit, and are each independently at least one selected from an aromatic organic group, an aliphatic organic group, and an alicyclic organic group, and 0≦x≦1.
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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：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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4.发明授权Polyimide precursor composition, method for preparing polyimide, polyimide prepared by using the method, and film including the polyimide 有权聚酰亚胺前体组合物，制备聚酰亚胺的方法，使用该方法制备的聚酰亚胺和包含聚酰亚胺的薄膜公开(公告)号：US09238751B2
公开(公告)日：2016-01-19
申请号：US14202182
申请日：2014-03-10
发明人： Woo-Jin Bae , Sung Woo Hong , Byung Hee Sohn , Won Suk Chang
IPC分类号： C09D179/08 , C08G73/10 , C08K9/04 , C08K3/36 , C08K3/22
CPC分类号： C09D179/08 , C08G73/1039 , C08G73/1042 , C08G73/1067 , C08K3/36 , C08K9/04 , C08K2003/221 , C08K2003/2241 , C08K2003/2244 , C08L79/08
摘要： A polyimide precursor composition, including a polyamic acid including a repeating unit represented by Chemical Formula 1 and transparent metal oxide nanoparticles coordinated to a ligand represented by RCOOH, wherein R is a linear or branched C1-C4 alkyl or a linear or branched C2-C4 alkenyl: wherein variables Cy, A3, R31, and n34 in Chemical Formula I are described in the specification.
摘要翻译： 一种聚酰亚胺前体组合物，包括包含由化学式1表示的重复单元的聚酰胺酸和与由RCOOH表示的配位体配位的透明金属氧化物纳米粒子，其中R是直链或支链C 1 -C 4烷基或直链或支链C 2 -C 4 烯基：其中在说明书中描述了化学式I中的变量Cy，A3，R31和n34。
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公开(公告)号：US11907345B2
公开(公告)日：2024-02-20
申请号：US16975106
申请日：2018-09-13
发明人： Hee Jun Lee , Hyeong Wook Yang , Ju Woan Yoo , Kwang Hyun Lee , Won Suk Chang , Tushar Balasaheb Sandhan , Yang Soo Lee , Ji Yoon Park , Da Som Lee
摘要： An electronic device is disclosed that includes a camera, a display, and a processor. The processor is configured to obtain a request associated with biometric authentication, obtain an image including at least one external object using the camera, display a specified image on the display, when displaying at least a portion of the obtained image on a specified area of the display, the at least a portion of the obtained image being as a portion of the specified image, in response to displaying a specified object associated with the biometric authentication among the at least one external object on the specified area, perform the biometric authentication using biometric information corresponding to the specific object, and when displaying another image different from the obtained image on the display, the other image being as a portion of the specified image, in response to obtaining an image including the specified object among the at least one external object, perform the biometric authentication using the biometric information corresponding to the specified object. In addition, various embodiments recognized through the specification are possible.
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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：US10156670B2
公开(公告)日：2018-12-18
申请号：US14972615
申请日：2015-12-17
发明人： Feifei Fang , Beom Seok Kim , Seong-Jun Yoon , Dong Yun Lee , Boreum Jeong , Myung Sup Jung , Won Suk Chang
摘要： A polarizing film includes a high-temperature elongation film of a polyolefin and a dichroic dye, and the polyolefin has zero shear viscosity (η0) ranging from about 2600 Pa·s to about 17400 Pa·s at a temperature of about 210° C. (±3° C.).
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公开(公告)号：US09448335B2
公开(公告)日：2016-09-20
申请号：US14563309
申请日：2014-12-08
发明人： Won Suk Chang , Myung Sup Jung , Myung Man Kim , Jong Hoon Won , Won Cheol Jung
IPC分类号： G02B1/08 , B29C43/00 , B29C55/04 , C08L23/08 , C08L23/10 , G02B5/30 , C08J5/18 , B29D11/00 , B29C43/02 , B29K23/00 , C08K5/00 , B29K105/00
CPC分类号： G02B1/08 , B29C43/003 , B29C43/021 , B29C55/04 , B29D11/00788 , B29K2023/10 , B29K2023/12 , B29K2023/16 , B29K2105/0032 , B29K2105/0088 , B29K2995/0034 , B29K2995/0051 , C08J5/18 , C08J2323/08 , C08J2323/10 , C08J2423/08 , C08J2423/10 , C08K5/0041 , C08L23/0815 , C08L23/10 , G02B5/3033 , Y10T428/1041
摘要： A composition for a polarization film including a polyolefin component including polypropylene and a polyethylene-polypropylene copolymer; and a dichroic dye.
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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.
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