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公开(公告)号：US12038559B2
公开(公告)日：2024-07-16
申请号：US17237130
申请日：2021-04-22
发明人： Hye Jin Kim , Byoung Sun Ko , Min Sang Park
IPC分类号： G02B1/14 , B32B27/34 , G02B1/04 , G02F1/1333 , G06F1/16
CPC分类号： G02B1/14 , B32B27/34 , G02B1/04 , G02F1/133305 , G06F1/1652 , B32B2307/51 , B32B2457/202 , B32B2457/206 , C09K2323/03 , C09K2323/06
摘要： Provided are a window cover film and a display panel including the same. More specifically, a window cover film includes a polyimide-based film, and an inorganic thin film layer and a hard coating layer formed on at least one surface of the polyimide-based film. A light transmittance measured at 388 nm is 50% or less and a total light transmittance measured at 400 to 700 nm is 87% or more, is provided.
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公开(公告)号：US11531143B2
公开(公告)日：2022-12-20
申请号：US17034233
申请日：2020-09-28
发明人： Hye Jin Kim , Min Sang Park , Keon Hyeok Ko
摘要： Provided are a window cover film and a flexible display panel including the same. More preferably, a window cover film including a transparent film and a hard coating layer and a flexible display panel including the same are provided.
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公开(公告)号：US11495864B2
公开(公告)日：2022-11-08
申请号：US16857776
申请日：2020-04-24
发明人： Hye Jin Lee , Yun Bong Kim , Min Sang Park , Su Ji Lee
IPC分类号： H01M4/66 , H01M4/04 , H01M10/0525 , H01M50/431 , H01M4/02
摘要： Provided are a separator for a secondary battery and an electrochemical device using the same. More particularly, a composite separator which has a lower Gurley permeability after curing than that before curing when forming a heat-resistant coating layer having low resistance, does not have a Gurley permeability which is greatly increased as compared with the Gurley permeability of a porous substrate itself before forming a coating layer to have an overall low Gurley permeability, and has a high surface hardness to have penetration stability, is provided.
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公开(公告)号：US20210095120A1
公开(公告)日：2021-04-01
申请号：US17034278
申请日：2020-09-28
发明人： Seung Min Jeon , Min Sang Park , Je Seung Park , Yeong Min Jo
摘要： Provided are a polyimide-based film, a window cover film, and a display device including the same. More specifically, a polyimide-based film having different surface energies from each other on both surfaces, a window cover film having excellent optical properties such as a visibility, and a display panel including the same are provided.
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公开(公告)号：US20210095082A1
公开(公告)日：2021-04-01
申请号：US17034767
申请日：2020-09-28
发明人： Min Sang Park , Keon Hyeok Ko , Hye Jin Kim , Yeong Min Jo
IPC分类号： C08J5/18 , G02F1/1675
摘要： Provided are a polyimide-based film, a window cover film, and a display panel including the same. More specifically, a polyimide-based film having a micro flexural modulus of 10 GPa or more and a micro flexural strength of 150 MPa or more is provided.
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公开(公告)号：US20210024707A1
公开(公告)日：2021-01-28
申请号：US16937125
申请日：2020-07-23
发明人： Hye Ri Kim , Min Sang Park , Sang Yoon Park , Ji Sang Jeong
摘要： Provided is a polyamideimide film which has an excellent uniformity of a birefringence value and may provide excellent display quality.
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公开(公告)号：US11787941B2
公开(公告)日：2023-10-17
申请号：US17034278
申请日：2020-09-28
发明人： Seung Min Jeon , Min Sang Park , Je Seung Park , Yeong Min Jo
CPC分类号： C08L79/08 , C08G73/1039 , C08G73/1067 , C08G73/1078 , C08G73/14 , C08L2201/10 , C08L2203/16 , C08L2203/206
摘要： Provided are a polyimide-based film, a window cover film, and a display device including the same. More specifically, a polyimide-based film having different surface energies from each other on both surfaces, a window cover film having excellent optical properties such as a visibility, and a display panel including the same are provided.
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公开(公告)号：US11322800B2
公开(公告)日：2022-05-03
申请号：US16660406
申请日：2019-10-22
发明人： Won Sub Kwack , Min Sang Park , Yun Bong Kim , Dong Yeon Lee , Kyu Young Cho
IPC分类号： H01M50/449 , H01M50/411 , H01M50/46
摘要： Provided are a separator for a secondary battery and an electrochemical device using the same. More specifically, provided is a composite separator having a more excellent cycle life and including a coating layer which is not easily swollen in an electrolyte solution. In the composite separator for a secondary battery according to an aspect of the present invention, distortion or lifting phenomenon is suppressed even when the heat and pressure are applied without significant decrease in permeability of the separator.
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公开(公告)号：US20210333440A1
公开(公告)日：2021-10-28
申请号：US17237130
申请日：2021-04-22
发明人： Hye Jin Kim , Byoung Sun Ko , Min Sang Park
摘要： Provided are a window cover film and a display panel including the same. More specifically, a window cover film includes a polyimide-based film, and an inorganic thin film layer and a hard coating layer formed on at least one surface of the polyimide-based film. A light transmittance measured at 388 nm is 50% or less and a total light transmittance measured at 400 to 700 nm is 87% or more, is provided.
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公开(公告)号：US20210096280A1
公开(公告)日：2021-04-01
申请号：US17034233
申请日：2020-09-28
发明人： Hye Jin Kim , Min Sang Park , Keon Hyeok Ko
IPC分类号： G02B1/14
摘要： Provided are a window cover film and a flexible display panel including the same. More preferably, a window cover film including a transparent film and a hard coating layer and a flexible display panel including the same are provided.
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