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公开(公告)号：US11805616B2
公开(公告)日：2023-10-31
申请号：US16941709
申请日：2020-07-29
发明人： Sunhwan Kim , Jung Hee Ki , Jin Woo Lee , Dawoo Jeong , Seung Yong Pyun , Yun Hee Seo
IPC分类号： H05K5/03 , H05K5/00 , C08K3/36 , C08K3/30 , C08K3/26 , C08J5/18 , B29C39/14 , B29K79/00 , B29L31/34 , H10K50/84
CPC分类号： H05K5/03 , C08J5/18 , C08K3/26 , C08K3/30 , C08K3/36 , H05K5/0017 , B29C39/14 , B29K2079/08 , B29L2031/3475 , C08J2379/08 , C08K2003/265 , C08K2003/3045 , C08K2201/003 , H10K50/84
摘要： Embodiments relate to a polyimide-based composite film, which comprises a base film comprising a polyimide-based resin; and a functional layer disposed on the base film, wherein when the side of the functional layer located opposite to the side in contact with the base film is referred to as a first side and when the side of the base film in contact with the functional layer is referred to as a second side, the leveling index represented by Equation 1 is less than 0.75.
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公开(公告)号：US11840611B2
公开(公告)日：2023-12-12
申请号：US17407779
申请日：2021-08-20
发明人： Yun Hee Seo , Sang Hun Choi , Jin Woo Lee , Jung Hee Ki , Dae Seong Oh , Han Jun Kim , Sun Hwan Kim
CPC分类号： C08J5/18 , C08G69/28 , C08K3/36 , C08J2377/10
摘要： The embodiments relate to a polyamide-based composite film that not only has excellent curl characteristics, mechanical properties, and optical properties, but also exhibits a privacy protection effect at a wide angle of view and glossiness characteristics similar to those glass at a main angle of view, and to a display device comprising the same. There are provided a polyamide-based composite film that comprises a base film comprising a polyamide-based polymer; and a functional layer disposed on the base film, wherein a glossiness control value according to Equation 1 is 0 or more, and a displace device comprising the same.
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公开(公告)号：US12024605B2
公开(公告)日：2024-07-02
申请号：US17433978
申请日：2021-04-20
发明人： Sang Hun Choi , Dae Seong Oh , Han Jun Kim , Sun Hwan Kim , Jin Woo Lee , Heung Sik Kim , Jung Hee Ki , Yun Hee Seo
CPC分类号： C08J5/18 , C08K3/30 , G02B1/14 , C08J2377/06 , C08K2003/3045 , C08K2201/005 , C08K2201/011
摘要： The embodiments relate to a polyamide-based composite film with excellent curl characteristics, mechanical characteristics, and optical characteristics. The polyamide-based composite film comprises a base film comprising a polyamide-based polymer and a functional layer disposed on the base film, wherein when the polyamide-based composite film is placed on a surface light source such that the base film is in contact with the surface light source, light is irradiated from the surface light source, and the luminance value measured in the normal direction of the surface light source is 100%, the luminance value measured in the direction of 50° from the normal direction of the surface light source is 25% or more.
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