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1. 发明授权

US09048457B2 Organic EL display device 有权
标题翻译：有机EL显示装置
公开(公告)号：US09048457B2
公开(公告)日：2015-06-02
申请号：US14385315
申请日：2013-03-07
申请人： ZEON CORPORATION
发明人： Tomokazu Kinohira , Kohei Fujii , Takashi Morita , Shunsuke Yamanaka , Taku Hatano
IPC分类号： H01L51/52 , H01L27/32
CPC分类号： G02B5/3083 , G02B5/3025 , H01L27/3232 , H01L51/5281 , H01L51/5293 , H01L27/288 , H01L27/32 , H01L27/286 , H01L25/048
摘要： An organic EL display device including a substrate, a transparent electrode, a luminescent layer, and a metal electrode layer in this order from a light emission side, a circularly polarizing plate disposed on the light emission side of the substrate, the circularly polarizing plate including a polarizing film and phase difference films that stacked on each other. The phase difference film includes a resin composition (A) containing polystyrene-based polymer having a syndiotactic structure and polyarylene ether, a ratio of the polystyrene-based polymer having the syndiotactic structure with respect to the polyarylene ether in the resin composition (A) is 65:35 to 55:45, being a weight ratio of (the polystyrene-based polymer having the syndiotactic structure) with respect to (the polyarylene ether), the phase difference film satisfies a relation Re450
摘要翻译：从发光侧依次包括基板，透明电极，发光层和金属电极层的有机EL显示装置，设置在基板的发光侧的圆偏振片，所述圆偏振片包括彼此堆叠的偏振膜和相位差膜。相差膜包括含有间同立构结构的聚苯乙烯类聚合物和聚亚芳基醚的树脂组合物（A），树脂组合物（A）中具有间同立构结构的聚苯醚系聚合物相对于聚亚芳基醚的比例为 65:35〜55:45，相对于（聚亚芳基醚）的（具有间同立构结构的聚苯乙烯类聚合物）的重量比，相差膜满足关系Re450

2. 发明申请

US20150062702A1 PHASE DIFFERENCE FILM LAMINATE, METHOD FOR PRODUCING PHASE DIFFERENCE FILM LAMINATE, AND METHOD FOR PRODUCING PHASE DIFFERENCE FILM 审中-公开
标题翻译：相差膜片，生产相差膜片的方法和生产相差膜的方法
公开(公告)号：US20150062702A1
公开(公告)日：2015-03-05
申请号：US14385197
申请日：2013-02-26
申请人： ZEON CORPORATION
发明人： Takashi Morita , Kohei Fujii , Tomokazu Kinohira , Shunsuke Yamanaka , Taku Hatano
IPC分类号： G02B5/30 , B29C47/06 , B29D11/00 , G02B1/08
CPC分类号： G02B5/3083 , B29C47/0021 , B29C47/0057 , B29C47/06 , B29C47/065 , B29C55/00 , B29C55/023 , B29C55/045 , B29D11/0073 , B29K2025/08 , G02B1/04 , G02B1/08 , G02B5/3033 , G02B27/28
摘要： A phase difference film layered body is obtained by stretching a film before stretching, the film before stretching including: a P1 layer formed of a resin p1 containing polyphenylene ether having a positive intrinsic birefringence value and a polystyrene-based polymer having a negative intrinsic birefringence value and having a syndiotactic structure; and a P2 layer disposed in contact with the P1 layer and formed of a resin p2 containing an acrylic resin or an alicyclic structure-containing polymer. In the resin p1, the weight ratio of (the content of the polyphenylene ether)/(the content of the polystyrene-based polymer) is 35/65 to 45/55. A method for producing the phase difference film layered body and a method for producing a phase difference film using the phase difference film layered body are also provided.
摘要翻译：通过在拉伸前拉伸膜来获得相位差膜层叠体，拉伸前的膜包括：由含有正的固有双折射值的聚苯醚的树脂p1和具有负的固有双折射值的聚苯乙烯类聚合物形成的P1层并具有间同立构结构; 以及与P1层接触并由含有丙烯酸树脂或含脂环结构的聚合物的树脂p2形成的P2层。在树脂p1中，（聚苯醚含量）/（聚苯乙烯类聚合物的含量）的重量比为35/65〜45/55。还提供了一种用于制造相位差膜层叠体的方法和使用该相差膜层叠体制造相位差膜的方法。

3. 发明授权

US10386679B2 Multilayer film and method for manufacturing same, method for manufacturing optically anisotropic transfer body, optically anisotropic layer, optically anisotropic member, and optical layered body 有权
公开(公告)号：US10386679B2
公开(公告)日：2019-08-20
申请号：US15566862
申请日：2016-04-20
申请人： ZEON CORPORATION
发明人： Taku Hatano , Masakazu Saito , Hiromasa Hashimoto
IPC分类号： G02F1/13363 , H01L51/50 , G02F1/1335 , G02B5/30 , H01L51/52
摘要： A multilayer film including a first substrate and an optically anisotropic layer that is formed directly on the first substrate and contains cured liquid crystal molecules, wherein the first substrate has an orientation regulating force, and the first substrate has a tensile elastic modulus at 23° C. of 2,500 MPa or more.

4. 发明授权

US10261227B2 Method for producing retardation film 有权
公开(公告)号：US10261227B2
公开(公告)日：2019-04-16
申请号：US14702312
申请日：2015-05-01
申请人： ZEON CORPORATION
发明人： Taku Hatano , Kohei Arakawa , Shunsuke Yamanaka
IPC分类号： B29C55/14 , G02B5/30 , B29D11/00 , B29C47/06 , B29C47/00 , B29C55/02 , B29C55/04 , B29C59/12 , B29C59/14 , G02F1/13363 , B29L11/00 , B29L31/34 , B29K25/00 , B29K69/00
摘要： A method for producing a retardation film comprising the steps of: co-extruding or simultaneously casting a thermoplastic resin A and a thermoplastic resin B to obtain a laminated film comprising a layer of the thermoplastic resin A and a layer of the thermoplastic resin B; and uniaxially stretching the laminated film at least twice to cross a molecular orientation axis in the layer of the thermoplastic resin A and a molecular orientation axis in the layer of the thermoplastic resin B each other at almost right angles.

5. 发明授权

US10254459B2 Circular polarizing plate, wideband lambda/4 plate, and organic electroluminescence display device 有权
公开(公告)号：US10254459B2
公开(公告)日：2019-04-09
申请号：US15511641
申请日：2015-09-10
申请人： ZEON CORPORATION
发明人： Taku Hatano , Kazuhiro Oosato
IPC分类号： G02B5/30 , G02B27/28 , H01L51/52 , G02B1/08
摘要： A circularly polarizing plate includes: a polarizing film; a λ/2 plate having a slow axis in a direction forming an angle of 15°±5° with respect to an absorption axis of the polarizing film; and a λ/4 plate having a slow axis in a direction forming an angle of 75°±5° with respect to the absorption axis of the polarizing film, which are provided in this order. A wavelength dispersion of the λ/2 plate and a wavelength dispersion of the λ/4 plate approximately coincide with each other. A refractive index of one of the λ/2 plate and the λ/4 plate is nz≥nx>ny, and a refractive index of the other of the λ/2 plate and the λ/4 plate is nx>ny≥nz, where nx, ny and nz represent refractive indices in in-plane slow axis, in-plane fast axis, and thickness directions, respectively.

6. 发明授权

US10549514B2 Optical film 有权
公开(公告)号：US10549514B2
公开(公告)日：2020-02-04
申请号：US15560255
申请日：2016-03-22
申请人： ZEON CORPORATION
发明人： Kazuyuki Obuchi , Taku Hatano
IPC分类号： B32B27/32 , B32B25/04 , B32B25/14 , B32B27/22 , B32B25/16 , B32B27/24 , B32B25/08 , B32B7/04 , C08L53/02 , H05B33/02 , B32B27/28 , B32B27/20 , B32B15/06 , B32B27/30 , H01L51/52 , B32B7/02 , C08F8/04 , C08F297/04 , G02B5/30
摘要： An optical film including, in this order: a first layer containing a hydrogenated product of an aromatic vinyl compound-conjugated diene compound block copolymer; a second layer containing a norbornene-based polymer; and a third layer containing a hydrogenated product of an aromatic vinyl compound-conjugated diene compound block copolymer. Preferably, the hydrogenated product of the aromatic vinyl compound-conjugated diene compound block copolymer is a hydrogenated product of a styrene-isoprene copolymer. Preferably, a copolymerization ratio of styrene/isoprene in the hydrogenated product of the styrene-isoprene copolymer is 50/50 to 90/10.

7. 发明授权

US10464272B2 Phase difference plate manufacturing method, phase difference plate, and liquid crystal display device 有权
公开(公告)号：US10464272B2
公开(公告)日：2019-11-05
申请号：US15072213
申请日：2016-03-16
申请人： ZEON CORPORATION
发明人： Taku Hatano , Kenichi Harai
IPC分类号： B29D11/00 , G02B5/30 , G02F1/1335 , G02F1/13363 , B29L9/00
摘要： A step of forming a layered body including a resin layer (a) containing a resin A having positive intrinsic birefringence and a resin layer (b) containing a resin B having negative intrinsic birefringence, the resin layer (b) being provided on one side of the resin layer (a); a first stretching step of stretching the layered body in one direction at a temperature T1; and a second stretching step of, after the first stretching step, stretching the layered body in another direction that is approximately orthogonal to the previous stretching direction at a temperature T2 which is lower than the temperature T1 to obtain a phase difference plate are performed. By these steps, a phase difference plate wherein a slow axis of the resin layer (a) after the stretching treatment and a slow axis of the resin layer (b) after the stretching treatment are approximately parallel to each other, and in-plane retardation Rea and NZ coefficient NZa in the resin layer (a) after the stretching treatment, and in-plane retardation Reb and NZ coefficient NZb in the resin layer (b) after the stretching treatment satisfy specific relationship is obtained.

8. 发明授权

US10434733B2 Method for producing retardation film 有权
公开(公告)号：US10434733B2
公开(公告)日：2019-10-08
申请号：US15613893
申请日：2017-06-05
申请人： ZEON CORPORATION
发明人： Taku Hatano
IPC分类号： B29D11/00 , B29C55/02 , B29C55/14 , B32B7/02 , B32B27/08 , G02B5/30 , B32B23/08 , B32B23/20 , B32B27/18 , B32B27/20 , B32B27/22 , B32B27/28 , B32B27/30 , B32B27/32 , B32B27/36 , C08J5/18 , G02F1/13363 , B29K25/00 , B29K69/00
摘要： A method for producing a retardation film comprising the steps of: (a) uniaxially stretching an original film for producing retardation film in one direction at either a temperature T1 or T2; and then (b) uniaxially stretching the film stretched in the step (a) in a direction perpendicular to the above-mentioned direction of stretching at a temperature T2 or T1 different from the above-mentioned temperature, in which the original film for producing retardation film has a characteristic that a phase of linearly polarized light entering vertically into the film plane and having an oscillating surface of an electric vector in an X-Z plane against linearly polarized light entering vertically into the film plane and having an oscillating surface of an electric vector in a Y-Z plane lags by uniaxially stretching in the direction of the X axis at a temperature T1, and leads by uniaxially stretching in the direction of the X axis at a temperature T2 different from the above-mentioned temperature T1, in which the X axis is an uniaxially stretching direction, the Y axis is a direction perpendicular to the uniaxially stretching direction in the film plane, and the Z axis is a direction of a thickness of the film.

9. 发明授权

US10175402B2 Phase difference film layered body having layer with specified ratio of polyphenylene ether to polystyrene-based polymer and method for producing the same 有权
公开(公告)号：US10175402B2
公开(公告)日：2019-01-08
申请号：US14385197
申请日：2013-02-26
申请人： ZEON CORPORATION
发明人： Takashi Morita , Kohei Fujii , Tomokazu Kinohira , Shunsuke Yamanaka , Taku Hatano
IPC分类号： G02B5/30 , G02B1/08 , B29C47/06 , B29D11/00 , B29C55/00 , B29C55/02 , B29C55/04 , B29C47/00 , G02B27/28 , B29K25/00 , G02B1/04
摘要： A phase difference film layered body is obtained by stretching a film before stretching, the film before stretching including: a P1 layer formed of a resin p1 containing polyphenylene ether having a positive intrinsic birefringence value and a polystyrene-based polymer having a negative intrinsic birefringence value and having a syndiotactic structure; and a P2 layer disposed in contact with the P1 layer and formed of a resin p2 containing an acrylic resin or an alicyclic structure-containing polymer. In the resin p1, the weight ratio of (the content of the polyphenylene ether)/(the content of the polystyrene-based polymer) is 35/65 to 45/55. A method for producing the phase difference film layered body and a method for producing a phase difference film using the phase difference film layered body are also provided.

10. 发明授权

US09285525B2 Organic EL display device 有权
公开(公告)号：US09285525B2
公开(公告)日：2016-03-15
申请号：US14689837
申请日：2015-04-17
申请人： ZEON CORPORATION
发明人： Tomokazu Kinohira , Kohei Fujii , Takashi Morita , Shunsuke Yamanaka , Taku Hatano
IPC分类号： H01L29/08 , G02B5/30 , H01L51/52 , H01L27/32
CPC分类号： G02B5/3083 , G02B5/3025 , H01L27/3232 , H01L51/5281 , H01L51/5293 , H01L27/288 , H01L27/32 , H01L27/286 , H01L25/048
摘要： An organic EL display device including a substrate, a transparent electrode, a luminescent layer, and a metal electrode layer in this order from a light emission side, a circularly polarizing plate disposed on the light emission side of the substrate, the circularly polarizing plate including a polarizing film and phase difference films that stacked on each other. The phase difference film includes a resin composition (A) containing polystyrene-based polymer having a syndiotactic structure and polyarylene ether, a ratio of the polystyrene-based polymer having the syndiotactic structure with respect to the polyarylene ether in the resin composition (A) is 65:35 to 55:45, being a weight ratio of (the polystyrene-based polymer having the syndiotactic structure) with respect to (the polyarylene ether), the phase difference film satisfies a relation Re450

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