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公开(公告)号：US11613658B2
公开(公告)日：2023-03-28
申请号：US17036125
申请日：2020-09-29
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Geo-San Lim , Min-Kyung Kang , Seung-Hee Kim , Hye-Lin Kim
Abstract: The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, in which the hard coating layer includes a cured product of a hard coating composition containing a fluorine-based UV-curable-functional-group-containing compound, dendritic acrylate, a conductive polymer, and a solvent, the conductive polymer being included in a specific amount, whereby the hard coating film is applicable to a flexible display device and can simultaneously exhibit hard coating performance and antifouling performance even in the form of a single layer that does not include a separate antifouling layer, and in particular, the high antifouling effect can be maintained even in the presence of variously changing environmental conditions, and to a window and an image display device using the same.
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Patent Agency Ranking
公开(公告)号：US20210096281A1
公开(公告)日：2021-04-01
申请号：US17036143
申请日：2020-09-29
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Seung-Hee Kim , Geo-San Lim , Min-Kyung Kang , Hye-Lin Kim
Abstract: The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, the hard coating layer including a cured product of a hard coating composition containing a fluorine-based UV-curable-functional-group-containing compound, a light-transmissive resin, and a fluorine-based solvent, and the fluorine-based solvent is contained in an amount of 0.1 to 40 wt % based on a total of 100 wt % of the hard coating composition, and to a window and an image display device using the same.
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公开(公告)号：US20210094266A1
公开(公告)日：2021-04-01
申请号：US17036154
申请日：2020-09-29
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Min-Kyung Kang , Geo-San Lim , Seung-Hee Kim , Hye-Lin Kim
IPC: B32B27/08 , B32B27/16 , B32B27/24 , B32B27/30 , B32B7/12 , C08F220/22 , C08F220/34 , C08F2/50 , C08K5/02 , C08K5/05 , C08K5/06
Abstract: The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, the hard coating layer having a surface resistance of 108 to 1012 Ω/□ and a water contact angle of 100° or more, and to a window and an image display device using the same.
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公开(公告)号：US11760898B2
公开(公告)日：2023-09-19
申请号：US17035922
申请日：2020-09-29
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Geo-San Lim , Min-Kyung Kang , Seung-Hee Kim , Hye-Lin Kim
IPC: C09D145/00 , C09D4/06 , C08L33/16 , C09D201/00 , C08L33/14
CPC classification number: C09D145/00 , C08L33/14 , C08L33/16 , C09D4/06 , C09D201/005 , C09D4/06 , C08F277/00 , C09D4/00 , C08F222/18
Abstract: The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, in which the hard coating layer includes a fluorine-based UV-curable-functional-group-containing compound, a conductive polymer, and a solvent, the conductive polymer being included in a specific amount, and the surface roughness (Ra) value of the hard coating layer is 1 nm or less, whereby the hard coating film can simultaneously exhibit hard coating performance and antifouling performance even in the form of a single layer not including a separate antifouling layer, and is remarkably improved in an antifouling effect based on the low surface roughness thereof due to the absence of inorganic fine particles, and the improved antifouling effect can be effectively maintained even in the presence of variously changing environmental conditions, and to a window and an image display device using the same.
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公开(公告)号：US20210095137A1
公开(公告)日：2021-04-01
申请号：US17036125
申请日：2020-09-29
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Geo-San Lim , Min-Kyung Kang , Seung-Hee Kim , Hye-Lin Kim
Abstract: The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, in which the hard coating layer includes a cured product of a hard coating composition containing a fluorine-based UV-curable-functional-group-containing compound, dendritic acrylate, a conductive polymer, and a solvent, the conductive polymer being included in a specific amount, whereby the hard coating film is applicable to a flexible display device and can simultaneously exhibit hard coating performance and antifouling performance even in the form of a single layer that does not include a separate antifouling layer, and in particular, the high antifouling effect can be maintained even in the presence of variously changing environmental conditions, and to a window and an image display device using the same.
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公开(公告)号：US20210139735A1
公开(公告)日：2021-05-13
申请号：US17035922
申请日：2020-09-29
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Geo-San Lim , Min-Kyung Kang , Seung-Hee Kim , Hye-Lin Kim
IPC: C09D145/00
Abstract: The present invention relates to a hard coating film including a substrate and a hard coating layer provided on at least one surface of the substrate, in which the hard coating layer includes a fluorine-based UV-curable-functional-group-containing compound, a conductive polymer, and a solvent, the conductive polymer being included in a specific amount, and the surface roughness (Ra) value of the hard coating layer is 1 nm or less, whereby the hard coating film can simultaneously exhibit hard coating performance and antifouling performance even in the form of a single layer not including a separate antifouling layer, and is remarkably improved in an antifouling effect based on the low surface roughness thereof due to the absence of inorganic fine particles, and the improved antifouling effect can be effectively maintained even in the presence of variously changing environmental conditions, and to a window and an image display device using the same.
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