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公开(公告)号：US11442201B2
公开(公告)日：2022-09-13
申请号：US16619089
申请日：2019-04-01
发明人： Bo-Hung Lai , Chih-Te Yen , Tang-Chieh Huang
IPC分类号： G02B1/14 , C08L79/08 , B82Y20/00 , B82Y30/00 , B82Y40/00 , C09D5/22 , C09D7/41 , C08F292/00 , H01L27/32 , H01L51/52 , C08J7/046 , G09F9/30
摘要： A flexible display cover substrate is provided, including a transparent polyimide film and a device protective layer. The device protective layer is formed by a hard coating layer disposed on at least one side of the transparent polyimide film, and the hard coating layer is composed of three or more reactive functional group compounds, an initiator, an elastic oligomer, a nano inorganic modified particle, and a fluorescent pigment. The flexible display cover substrate of the invention, after being folded by a radius of curvature of 1 mm, does not cause cracks on the surface of the hard coating layer or break the substrate, and the yellow index YI of the flexible display cover substrate is less than 2.0.
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公开(公告)号：US20210165132A1
公开(公告)日：2021-06-03
申请号：US16619089
申请日：2019-04-01
发明人： Bo-Hung Lai , Chih-Te Yen , Tang-Chieh Huang
摘要： A flexible display cover substrate is provided, including a transparent polyimide film and a device protective layer. The device protective layer is formed by a hard coating layer disposed on at least one side of the transparent polyimide film, and the hard coating layer is composed of three or more reactive functional group compounds, an initiator, an elastic oligomer, a nano inorganic modified particle, and a fluorescent pigment. The flexible display cover substrate of the invention, after being folded by a radius of curvature of 1 mm, does not cause cracks on the surface of the hard coating layer or break the substrate, and the yellow index YI of the flexible display cover substrate is less than 2.0.
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公开(公告)号：US11359093B2
公开(公告)日：2022-06-14
申请号：US16619093
申请日：2019-04-01
发明人： Bo-Hung Lai , Chih-Te Yen , Tang-Chieh Huang
摘要： A polyimide film and a flexible display device cover substrate using the same are provided, and the polyimide film includes a polyimide and a blue infrared absorbing agent. The blue infrared absorbing agent includes cesium tungsten oxide, tungsten oxide, Prussian blue, or antimony tin oxide. The blue infrared absorbing agent has infrared absorbing and photothermal conversion effects, and the surface temperature of the polyimide resin may be increased by infrared irradiation, so as to shorten the baking time.
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公开(公告)号：US20210171769A1
公开(公告)日：2021-06-10
申请号：US16619093
申请日：2019-04-01
发明人： Bo-Hung Lai , Chih-Te Yen , Tang-Chieh Huang
摘要： A polyimide film and a flexible display device cover substrate using the same are provided, and the polyimide film includes a polyimide and a blue infrared absorbing agent. The blue infrared absorbing agent includes cesium tungsten oxide, tungsten oxide, Prussian blue, or antimony tin oxide. The blue infrared absorbing agent has infrared absorbing and photothermal conversion effects, and the surface temperature of the polyimide resin may be increased by infrared irradiation, so as to shorten the baking time.
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