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公开(公告)号：US11939499B2
公开(公告)日：2024-03-26
申请号：US17614154
申请日：2020-05-14
申请人： TOYOBO CO., LTD.
发明人： Shotaro Nishio , Kiwamu Kawai , Akira Shimizu
CPC分类号： C09J7/255 , C08J7/046 , G02B1/14 , C08J2367/00 , C09J2203/318 , C09J2301/312 , G06F1/1652
摘要： Provided is a laminated film for a foldable display, the laminated film being free of occurrence of a fold mark or a crack at a folding portion thereof, in order to provide, for example, a foldable display excellent in mass productivity, and free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The laminated film for a foldable display includes: a polyester film having a thickness of from 10 μm to 100 μm; and an adhesive layer formed on at least one surface of the polyester film, wherein the polyester film satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.
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公开(公告)号：US11934226B2
公开(公告)日：2024-03-19
申请号：US17429147
申请日：2020-01-15
申请人： TOYOBO CO., LTD.
发明人： Shotaro Nishio , Kiwamu Kawai , Akira Shimizu , Katsuya Ito
CPC分类号： G06F1/1652 , G02B1/04 , G02B1/14 , G02B5/3033
摘要： Provided is a foldable display that is excellent in mass production applicability and unlikely to have image distortion at the folding portion of the display after repeated folding, as well as a mobile device equipped therewith. The foldable display contains a surface protection film and a polarizer. The surface protection film is composed of a polyester film, and the angle made by the slow axis of the polyester film with the absorption axis of the polarizer is 10 to 80°. The polyester film has a refractive index in the bending direction of 1.590 to 1.620, a refractive index in the direction of a folding portion of 1.670 to 1.700, a refractive index in the thickness direction of 1.520 or less, and a density of 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to the folding portion of the polyester film to be folded.
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公开(公告)号：US11926720B2
公开(公告)日：2024-03-12
申请号：US17614228
申请日：2020-05-14
申请人： TOYOBO CO., LTD.
发明人： Shotaro Nishio , Kiwamu Kawai , Akira Shimizu
CPC分类号： C08J5/18 , G02B3/0087 , G06F1/1652 , G06F3/0412 , C08J2367/00 , G06F2203/04102
摘要： Provided is a polyester film for a touchscreen module substrate of a foldable display which is free of occurrence of a crack at a folding portion thereof, in order to provide a foldable display excellent in mass productivity, and free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The polyester film for a touchscreen module substrate of a foldable display satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g/cm or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.
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公开(公告)号：US20230295421A1
公开(公告)日：2023-09-21
申请号：US18020533
申请日：2021-09-08
申请人： TOYOBO CO., LTD.
发明人： Mei Matsumura , Shotaro Nishio , Akira Shimizu
CPC分类号： C08L67/02 , C08K3/22 , C09J7/29 , B32B27/36 , B32B27/08 , B32B27/205 , G09F3/02 , C08K2003/2237 , B32B2272/00 , B32B2264/1022 , B32B2250/40 , B32B2250/244 , B32B2264/303 , B32B2250/03 , B32B2307/54 , B32B2307/72 , B32B2519/00 , B32B2307/4023 , G09F2003/0257 , G09F2003/0229
摘要： [Problem] To provide a cavity-containing polyester film which exhibits excellent concealability, degree of whiteness and printability, and which is still free from the occurrence of a wrinkle, distortion and the like in cases where, for example, the cavity-containing polyester film is used for a roll label, and a label is delivered therefrom or wound around a product.
[Solution] A cavity-containing polyester film which comprises a layer A that internally contains a cavity, and layers B that are arranged on both surfaces of the layer A, wherein: the layer A is formed of a composition A that contains a polyester resin A and a polypropylene resin; the layers B are formed of a composition B that contains inorganic particles and a polyester resin B; and the amount of self-weight deflection of the film is from 60 mm to 100 mm at least in one direction.-
公开(公告)号：US10896987B2
公开(公告)日：2021-01-19
申请号：US14385318
申请日：2013-03-11
申请人： TOYOBO CO., LTD.
发明人： Yoshitomo Ikehata , Akira Shimizu , Jun Inagaki , Shinji Sawasaki , Ken Jibiki
IPC分类号： H01L31/049 , B32B27/18 , B32B27/36 , B32B27/08 , B32B27/20 , C08L67/02 , C08L67/03 , C09D175/06 , C09D175/04 , C08K3/22 , C08K3/013
摘要： The present invention is a sealing sheet for a back surface of a solar cell comprising only one polyester film, wherein the polyester film is composed of at least the layer A and the layer B, or the layer A, the layer B and the layer C described below, wherein the polyester film has a given whiteness and a given average reflectance of the polyester film, a given acid value of the polyester, a given thickness of the whole polyester film, a given thickness of the A layer and the B layer, and a given content of the inorganic fine particles in the whole polyester film. Layer A: a polyester resin layer in which the content of the inorganic fine particles is 10 to 35% by mass Layer B: a polyester resin layer in which the content of the inorganic fine particles is 0 to 8% by mass, which is the smallest among the contents of the inorganic fine particles in the layer A, the layer B and the layer C Layer C: a polyester resin layer in which the content of the inorganic fine particles is 0.4 to 10% by mass.
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公开(公告)号：US10475943B2
公开(公告)日：2019-11-12
申请号：US15558555
申请日：2016-03-15
申请人： TOYOBO CO., LTD.
发明人： Shotaro Nishio , Akira Shimizu , Jun Inagaki , Shinji Sawasaki
IPC分类号： H01L31/048 , B32B27/18 , B32B27/36 , H01L31/049 , H01L31/054 , B32B27/08 , B32B27/20 , B32B7/12 , B32B27/30 , C08K3/013 , C08K3/36 , C08K3/22 , C08L67/02 , C08L67/03
摘要： The object of the present invention is to provide a white polyester film for a solar cell that is excellent in transfer-mark concealment properties (properties that transferred irregularities are hard to be seen) while having high whiteness, and exhibiting good light resistance and hydrolysis resistance, a sealing sheet for a back surface of a solar cell and a solar cell module using the same. The white polyester film for a solar cell of the present invention has whiteness of 50 or more, an average reflectance of 50 to 95% in a range of wavelength of 400 to 800 nm, an acid value of 1 to 50 eq/ton, and a thickness of 30 to 380 μm, and the film has a multilayer structure in which a polyester resin layer containing inorganic fine particles in an amount of 10 to 38% by mass is disposed as at least one outermost layer, and a half-value width of protrusion distribution on a surface of the polyester resin layer is 200 to 1000 nm, the protrusion distribution being obtained by plotting the number density of protrusions with respect to protrusion height.
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7.发明申请公开(公告)号：US20150068601A1
公开(公告)日：2015-03-12
申请号：US14385318
申请日：2013-03-11
申请人： TOYOBO CO., LTD.
发明人： Yoshitomo Ikehata , Akira Shimizu , Jun Inagaki , Shinji Sawasaki , Ken Jibiki
IPC分类号： H01L31/049
CPC分类号： H01L31/049 , B32B27/08 , B32B27/18 , B32B27/36 , B32B2250/244 , B32B2264/102 , B32B2272/00 , B32B2307/4026 , B32B2307/416 , B32B2307/71 , B32B2307/712 , B32B2307/732 , B32B2307/734 , B32B2457/12 , Y02E10/50
摘要： The present invention is a sealing sheet for a back surface of a solar cell comprising only one polyester film, wherein the polyester film is composed of at least the layer A and the layer B, or the layer A, the layer B and the layer C described below, wherein the polyester film has a given whiteness and a given average reflectance of the polyester film, a given acid value of the polyester, a given thickness of the whole polyester film, a given thickness of the A layer and the B layer, and a given content of the inorganic fine particles in the whole polyester film. Layer A: a polyester resin layer in which the content of the inorganic fine particles is 10 to 35% by mass Layer B: a polyester resin layer in which the content of the inorganic fine particles is 0 to 8% by mass, which is the smallest among the contents of the inorganic fine particles in the layer A, the layer B and the layer C Layer C: a polyester resin layer in which the content of the inorganic fine particles is 0.4 to 10% by mass
摘要翻译： 本发明是仅包含一个聚酯膜的太阳能电池的背面密封片，其中聚酯膜至少由A层和B层构成，或者A层，B层和C层 其中聚酯薄膜具有给定的白度和给定的聚酯薄膜平均反射率，给定的聚酯酸值，聚酯薄膜的给定厚度，A层和B层的给定厚度， 和整个聚酯膜中无机细颗粒的给定含量。 层A：无机微粒的含量为10〜35质量％的聚酯树脂层B：无机微粒的含量为0〜8质量％的聚酯树脂层， 层A，层B和层C层C中的无机微粒的含量中最小：无机微粒的含量为0.4〜10质量％的聚酯树脂层
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公开(公告)号：US11997916B2
公开(公告)日：2024-05-28
申请号：US17429119
申请日：2020-01-15
申请人： TOYOBO CO., LTD.
发明人： Shotaro Nishio , Kiwamu Kawai , Akira Shimizu , Katsuya Ito
IPC分类号： H10K77/10 , B32B7/023 , B32B7/12 , B32B27/34 , H10K102/00
CPC分类号： H10K77/111 , B32B7/023 , B32B7/12 , B32B27/34 , B32B2255/10 , B32B2457/20 , H10K2102/311
摘要： Provided is a polyester film for foldable displays that is unlikely to have cracks in the folding portion with the aim of providing a foldable display that is excellent in mass production applicability, and that does not have image distortion that may appear in the folding portion after the display is repeatedly folded. The polyester film has a thickness of 10 to 80 μm, a refractive index in the bending direction of 1.590 to 1.620, a refractive index in the direction of a folding portion of 1.670 to 1.700, a refractive index in the thickness direction of 1.520 or less, and a density of 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to the folding portion of the polyester film to be folded.
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公开(公告)号：US11899167B2
公开(公告)日：2024-02-13
申请号：US17614201
申请日：2020-05-14
申请人： TOYOBO CO., LTD.
发明人： Shotaro Nishio , Kiwamu Kawai , Akira Shimizu
CPC分类号： G02B1/14 , C09J7/255 , C09J7/29 , G02B1/04 , H04M1/0268 , H10K50/84 , C09J2203/326 , C09J2467/006 , H10K2102/311
摘要： Provided are a polyester film, a laminated film, and the like for protecting an organic EL module of a foldable display each of which is free of occurrence of a crack at a folding portion thereof, in order to provide a foldable display excellent in mass productivity, and free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The polyester film for protecting an organic EL module of a foldable display satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.
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