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1. 发明专利

JP2004264345A Retardation film and its manufacturing method 审中-公开
公开(公告)号：JP2004264345A
公开(公告)日：2004-09-24
申请号：JP2003025961
申请日：2003-02-03
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MATSUNAGA TAKUYA , SHUDO SHUNSUKE , KOBAYASHI HIROAKI
IPC分类号： B29C65/52 , B29L9/00 , G02B5/30 , G02F1/13363 , H01L51/50 , H05B33/02 , H05B33/14
CPC分类号： G02B5/3016
摘要： PROBLEM TO BE SOLVED: To provide a retardation film of which the orientation direction of the retardation layers are controlled with high precision and the manufacturing cost is low, and to provide the manufacturing method thereof. SOLUTION: First, a substrate-attached anisotropic layer 12 is prepared in which an optical anisotropic layer 11 is laminated on a transparent substrate 10. Next, the optical anisotropic layer 11 is coated with a solution which contains a polymer reactive to polarized ultraviolet rays and a liquid crystalline compound, and is then dried. By irradiation of polarized ultraviolet rays, the liquid crystalline compound is oriented. If necessary, by further irradiation of nonpolarized ultraviolet rays, the liquid crystalline compound is cross-linked. Thus, the retardation film 1 is prepared in which the phase contrast layer 13 is directly formed on the optical anisotropic layer 11. COPYRIGHT: (C)2004,JPO&NCIPI

2. 发明专利

JP2004029510A Light diffusing layer, light diffusing sheet, optical element and image display device 有权
公开(公告)号：JP2004029510A
公开(公告)日：2004-01-29
申请号：JP2002187498
申请日：2002-06-27
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MATSUNAGA TAKUYA , SHIGEMATSU TAKAYUKI
IPC分类号： G02B5/02 , G02B1/11 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a light diffusing layer which suppresses the glaring phenomenon of an image while maintaining an antiglare properties, even in the case of being applied to a high definition LCD, in particular a light diffusing layer with which white blurring due to surface scattering is hardly recognized. SOLUTION: The light diffusing layer is composed of a resin film layer where particulates are dispersed and where recessed and projected shapes by the particulates are formed on the surface. The material of the particulates is an organic high molecular compound containing sulfur. COPYRIGHT: (C)2004,JPO

3. 发明专利

JP2003075605A Antireflective hard coat sheet, antireflective polarizing plate and image display device 审中-公开
标题翻译：抗反射硬涂层，抗反射极化板和图像显示装置
公开(公告)号：JP2003075605A
公开(公告)日：2003-03-12
申请号：JP2001269318
申请日：2001-09-05
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SHIGEMATSU TAKAYUKI , MASUDA TOMOAKI , MATSUNAGA TAKUYA , SHIBATA HIROSHI , MATSUURA HIROTAKA , MIYATAKE MINORU , TAKAO HIROYUKI
IPC分类号： G02B5/02 , B32B7/02 , G02B1/11 , G02B1/111 , G02B1/14 , G02B5/30 , G02F1/1335 , G09F9/00
摘要： PROBLEM TO BE SOLVED: To provide an antireflective hard coat sheet which shows a high surface antireflective effect when used for a polarizing plate or the like, can prevent interference fringes by the reflected light and has an optical diffusion layer having a fine rugged pattern. SOLUTION: The antireflective hard coat sheet has layers of a medium refractive index layer having 1.5 to 1.7 refractive index, a high refractive index layer having 1.6 to 1.8 refractive index and a low refractive index layer made of a material having a lower refractive index than that of the high refractive index layer, successively deposited in this order on the surface of a transparent base film. The high refractive index layer contains dispersion of fine particles having 1.5 to 1.8 refractive index and within ±0.1 difference in the refractive index from the high refractive index layer and the layer has a fine rugged structure formed on its surface.
摘要翻译：要解决的问题：为了提供在用于偏振板等时表现出高的表面抗反射效果的抗反射硬涂层，可以防止被反射光的干涉条纹，并且具有细的凹凸图案的光学漫射层。解决方案：抗反射硬涂层具有折射率为1.5至1.7折射率的介质折射率层，折射率为1.6至1.8的高折射率层和由折射率低的材料制成的低折射率层的低折射率层。的高折射率层，依次沉积在透明基底膜的表面上。高折射率层包含折射率为1.5至1.8的细颗粒的分散体，并且折射率与高折射率层的折射率在±0.1差之内，并且该层在其表面上形成有细小的凹凸结构。

4. 发明专利

JP2003075604A Antireflective antidazzle film, method for manufacturing the same, optical element and image display device 审中-公开
标题翻译：抗反射胶片，其制造方法，光学元件和图像显示装置
公开(公告)号：JP2003075604A
公开(公告)日：2003-03-12
申请号：JP2001265683
申请日：2001-09-03
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MATSUURA HIROTAKA , SHIGEMATSU TAKAYUKI , MATSUNAGA TAKUYA , MASUDA TOMOAKI , TAKAO HIROYUKI , SHIBATA HIROSHI
IPC分类号： G02B5/02 , B32B7/02 , G02B1/04 , G02B1/11 , G02B1/111 , G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an antireflective antidazzle film with high display quality having an antidazzle layer having a surface rugged pattern and an antireflection layer thereon and in which the antireflection layer can be easily manufactured by an easy method. SOLUTION: The antireflective antidazzle film has an antidazzle layer having projections on the surface and recesses having flat faces and having 1 to 100 μm average interval of the projections on a transparent base film, and further has a low refractive index layer made of a material having a refractive index lower than that of the antidazzle layer.
摘要翻译：要解决的问题：提供具有高显示质量的抗反射防霉膜，其具有在其上具有表面凹凸图案和抗反射层的防紫外层，并且其中可以通过简单的方法容易地制造抗反射层。解决方案：抗反射防治膜具有在表面上具有突出部的防眩层和具有平坦表面的凹部，并且在透明基底膜上具有1至100μm的平均间隔的突起，并且还具有低折射率层，该折射率层由具有折射率低于安慰剂层的折射率。

5. 发明专利

JP2003075603A Antireflective hard coat sheet, optical element and image display device 审中-公开
标题翻译：防伪硬纸，光学元件和图像显示装置
公开(公告)号：JP2003075603A
公开(公告)日：2003-03-12
申请号：JP2001265678
申请日：2001-09-03
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SHIGEMATSU TAKAYUKI , MASUDA TOMOAKI , MATSUNAGA TAKUYA , SHIBATA HIROSHI , MATSUURA HIROTAKA , MIYATAKE MINORU , TAKAO HIROYUKI
IPC分类号： G02B5/30 , B32B7/02 , G02B1/10 , G02B1/11 , G02B1/111 , G02B1/14 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an antireflective hard coat sheet which shows a high surface antireflective effect when used for a polarizing plate or the like and which prevents interference fringes of the reflected light. SOLUTION: The antireflection hard coat sheet has layers on a transparent base film. The layers are, from the base film side, a medium refractive index layer having 1.5 to 1.7 refractive index, a high refractive index layer having 1.6 to 1.8 refractive index, and a low refractive index layer made of a material having a refractive index lower than that of the high refractive index layer.
摘要翻译：要解决的问题：提供一种当用于偏光板等时表现出高的抗反射效果并且防止反射光的干涉条纹的抗反射硬涂层。解决方案：抗反射硬涂层在透明基膜上具有层。这些层是从基膜侧的折射率为1.5〜1.7的介质折射率层，折射率为1.6〜1.8的高折射率层和折射率低于折射率的材料制成的低折射率层高折射率层。

6. 发明专利

JP2003307601A Antireflection film, optical element and image display device 审中-公开
标题翻译：抗反射膜，光学元件和图像显示装置
公开(公告)号：JP2003307601A
公开(公告)日：2003-10-31
申请号：JP2002116440
申请日：2002-04-18
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MATSUNAGA TAKUYA , MIYATAKE MINORU
IPC分类号： G02B5/30 , B32B7/02 , G02B1/10 , G02B1/11 , G02B1/111 , G02B1/14
摘要： PROBLEM TO BE SOLVED: To provide an antireflection film having an antireflection layer formed of a low refractive index material on a transparent base film and having an excellent antireflection property and dust wiping property. SOLUTION: In the antireflection film having the antireflection layer formed directly or via another layer onto at least one surface of a transparent base film, the antireflection layer is characterized in that it is provided with, from the transparent base film side, a low refractive index layer (A layer) containing fluorine and a low refractive index layer (B layer) containing no fluorine as the outermost surface. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种具有由低折射率材料形成的抗反射层的抗反射膜，在透明基底膜上具有优异的抗反射性和防尘性。解决方案：在具有抗反射层的防反射膜中，直接或通过另一层形成在透明基膜的至少一个表面上的防反射膜，其抗反射层的特征在于，从透明基膜侧，含有氟的低折射率层（A层）和不含氟的低折射率层（B层）作为最外表面。版权所有（C）2004，JPO

7. 发明专利

JP2005062765A Manufacturing method for optical film containing liquid crystal polymer in aligned condition 有权
标题翻译：含有液晶聚合物的光学膜的制备方法
公开(公告)号：JP2005062765A
公开(公告)日：2005-03-10
申请号：JP2003296392
申请日：2003-08-20
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MATSUNAGA TAKUYA
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for an optical film which contains a liquid crystal compound that is highly aligned and has a surface that is hardly scratched. SOLUTION: A film shaped molded body which is a mixture of liquid crystal polymer of a non-aligned condition and an photoreactive compound is prepared. Then, the film-shaped molded body is irradiated with light beams, the photoreactive compound is reacted, and thereby the molecular structure of the compound is changed so that the non-aligned condition liquid crystal polymer is aligned into a prescribed condition. Then, the film-shaped molded body is heated to the temperature which is equal to or higher than the temperature at which the liquid crystal polymer is put into a liquid crystal state, thereby the non-aligned condition liquid crystal polymer is aligned to the prescribed condition. Then, the film-shaped molded body is cooled to the temperature that is lower than the temperature at which the liquid crystal polymer is set into a liquid crystal state, and the aligned condition is fixed, to obtain the optical film that includes a highly aligned liquid crystal compound. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种含有液晶化合物的光学膜的制造方法，所述液晶化合物高度排列并具有难以划伤的表面。＆lt; P＆gt;解决方案：制备作为非对准状态的液晶聚合物与光反应性化合物的混合物的膜状成型体。然后，用光束照射薄膜状成型体，使光反应性化合物反应，由此改变化合物的分子结构，使非对准状态的液晶聚合物排列成规定的条件。然后，将该膜状成型体加热至液晶聚合物成为液晶状态的温度以上的温度，使非对准状态的液晶聚合物与规定的条件。然后，将薄膜状成型体冷却至低于液晶聚合物成为液晶状态的温度，并使其取向状态固定，得到包含高度排列的光学膜液晶复合物。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005062425A Phase difference plate and its manufacturing method 审中-公开
标题翻译：相位差板及其制造方法
公开(公告)号：JP2005062425A
公开(公告)日：2005-03-10
申请号：JP2003291697
申请日：2003-08-11
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： TSUJIUCHI NAOKI , MATSUNAGA TAKUYA , SHUDO SHUNSUKE , MIYAZAKI JUNZO
IPC分类号： G02B5/30 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a phase difference plate which is superior in adhesion between a transparent base material and an optical isotropic layer and has superior manufacture efficiency, and its manufacturing method. SOLUTION: The phase difference plate includes the optical isotropic layer 14 on the transparent base material 10, and is characterized in that the optical isotropic layer 14 is arranged on the transparent base material 10 through a surface improving layer 11, the optical isotropic layer 14 contains a regularly arranged liquid crystal compound, and the surface improving layer 11 is a layer stopping the liquid crystal alignment restricting force of the transparent base material 10 from extending to the optical isotropic layer 14. The phase difference plate has the improved adhesion between the transparent base material 10 and optical isotropic layer 14 since the surface improving layer 11 is provided. Further, a transparent base material having a liquid crystal alignment restricting force and a transparent base material having no liquid crystal alignment restricting force are both usable as the transparent base material 10, so that choices of transparent base materials increase and the manufacture efficiency is superior. The surface improving layer 11 preferably contains an organic silicon compound and resin. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种透明基材和光学各向同性层之间的粘合性优异并且制造效率优异的相位差板及其制造方法。解决方案：相位差板包括透明基材10上的光学各向同性层14，其特征在于，光学各向同性层14通过表面改性层11布置在透明基材10上，光学各向同性层14包含规则排列的液晶化合物，表面改性层11是使透明基材10的液晶取向限制力延伸到光学各向同性层14的层。相位差板具有改善的粘合力由于表面改性层11设置有透明基材10和光学各向同性层14。此外，具有液晶取向限制力的透明基材和不具有液晶取向限制力的透明基材都可用作透明基材10，使得透明基材的选择增加并且制造效率优异。表面改性层11优选含有有机硅化合物和树脂。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2003340983A Antistatic film, its manufacturing method, optical element and image display apparatus 审中-公开
标题翻译：防静电膜及其制造方法，光学元件和图像显示装置
公开(公告)号：JP2003340983A
公开(公告)日：2003-12-02
申请号：JP2002152196
申请日：2002-05-27
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KOBAYASHI SHIGEO , MATSUNAGA TAKUYA , SHIROMIZU KAORI
IPC分类号： G02F1/1335 , B32B5/14 , B32B27/18 , G02F1/1343
摘要： PROBLEM TO BE SOLVED: To provide an antistatic film, which has an excellent antistatic function and sufficient adhesion between layers. SOLUTION: The antistatic film has a transparent resin layer (A 1 ) and a transparent resin layer (B) laminated on a transparent base film in that order. Superfine particulates of metallic oxide are unevenly distributed in the transparent resin layer (A 1 ) so that the density of the superfine particulates of metallic oxide becomes thicker toward the transparent resin layer (B) side. An apparently transparent conductive layer is formed in the transparent resin layer (A 1 ). COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003066209A Light diffusing sheet, optical element and display device 审中-公开
标题翻译：光扩散片，光学元件和显示器件
公开(公告)号：JP2003066209A
公开(公告)日：2003-03-05
申请号：JP2001257437
申请日：2001-08-28
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MATSUNAGA TAKUYA , MATSUURA HIROTAKA , SHODA TAKAMORI
IPC分类号： G02B5/02 , B32B7/02 , B32B27/18 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a light diffusing sheet which can suppress glaring phenomenon on a screen while keeping antidazzle property even when the sheet is used for a display device such as a high-definition LCD or the like and which can form an image without having a yellowish hue on the display device.
SOLUTION: In the light diffusing sheet having a light diffusing layer made of a transparent resin film layer having a fine rugged shape on its surface and containing a transparent resin and fine particles formed on at least one surface of a transparent substrate, the sheet has such properties that the haze of the light diffusing sheet is ≥35% and that particles A and particles B having the following property are mixed in the sheet. The particles A have
摘要翻译：要解决的问题：提供一种即使当片材用于诸如高清晰度LCD等的显示装置并且可以形成图像而不具有图像的同时也可以在保持防眩光性的同时抑制屏幕上的眩光现象的光漫射片在显示装置上具有淡黄色的色调。解决方案：在具有由其表面上具有微细凹凸形状的透明树脂膜层制成的光扩散层的光漫射片中，并且包含透明树脂和形成在透明基板的至少一个表面上的细小颗粒，光漫射片的雾度> 35％的特性，具有以下特性的粒子A和粒子B在片材中混合。颗粒A在590nm波长处的485nm波长处的折射率（nf）与在590nm波长处的折射率（nd）之间具有<1.01的比率（nf / nd），而颗粒B具有≥1.01比率（nf / nd）。

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