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1.发明申请公开(公告)号：US20210040282A1
公开(公告)日：2021-02-11
申请号：US16985562
申请日：2020-08-05
发明人： Min Sang Park , Jin Hyung Park , Seung Min Jeon , Yoo Seock Hwang
摘要： Provided are a transparent film, an optical material including the same, and a display device including the same.
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公开(公告)号：US11921546B2
公开(公告)日：2024-03-05
申请号：US17244033
申请日：2021-04-29
发明人： Jin Su Park , Hye Ri Kim , Jin Hyung Park , Yoo Seock Hwang
CPC分类号： G06F1/1652 , B32B27/281 , C08G73/14 , G02B1/04 , G02B1/14 , B32B2307/51 , B32B2457/206 , B32B2457/208 , C09K2323/03
摘要： The present invention relates to a polyimide-based film, a window cover film including the polyimide-based film, and a display panel including the polyimide-based film. More specifically, the present invention relates to a polyimide-based film of which a modulus measured according to ASTM D882 is 5 GPa or more and a rate of change of the modulus, after the polyimide-based film is maintained under a high-temperature and high-humidity condition of 60° C. and 90% RH for 500 hours, is 10% or less.
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3.发明授权公开(公告)号：US11814491B2
公开(公告)日：2023-11-14
申请号：US16985562
申请日：2020-08-05
发明人： Min Sang Park , Jin Hyung Park , Seung Min Jeon , Yoo Seock Hwang
CPC分类号： C08J5/18 , C08G73/10 , C08J2379/08
摘要： Provided are a transparent film, an optical material including the same, and a display device including the same.
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公开(公告)号：US20210341971A1
公开(公告)日：2021-11-04
申请号：US17244033
申请日：2021-04-29
发明人： Jin Su Park , Hye Ri Kim , Jin Hyung Park , Yoo Seock Hwang
摘要： The present invention relates to a polyimide-based film, a window cover film including the polyimide-based film, and a display panel including the polyimide-based film. More specifically, the present invention relates to a polyimide-based film of which a modulus measured according to ASTM D882 is 5 GPa or more and a rate of change of the modulus, after the polyimide-based film is maintained under a high-temperature and high-humidity condition of 60° C. and 90% RH for 500 hours, is 10% or less.
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公开(公告)号：US08905749B2
公开(公告)日：2014-12-09
申请号：US14183850
申请日：2014-02-19
发明人： Hyuk Jun Kim , Ki Yup Kim , Sung Ho Son , Yong Gyun Cho , Chol Ho Lee , Yoo Seock Hwang
摘要： Disclosed is a casting belt used for manufacturing an optical film by means of a solvent casting process, in more detail, a casting belt for producing a transcendental wide width film which is used to produce a film in a gel state by casting a dope when manufacturing a film that is used for a polarizer of liquid crystal displays or optical compensation films.
摘要翻译： 公开了一种用于通过溶剂浇铸工艺制造光学膜的铸造带，更详细地说，一种用于制造超越宽幅膜的铸造带，其用于在制造时通过铸造涂料来生产胶凝状态的膜 用于液晶显示器的偏振器或光学补偿膜的膜。
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