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    • 1. 发明专利
    • Optical film, antireflection film, polarizing plate and image display device
    • 光学膜,抗反射膜,极化板和图像显示装置
    • JP2006209096A
    • 2006-08-10
    • JP2005368323
    • 2005-12-21
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • IBUKI SHUNTARO
    • G02B1/11B32B7/02B32B23/08G02B1/111G02B1/14G02B1/16G02B1/18G02B5/30G02F1/1335G09F9/00
    • PROBLEM TO BE SOLVED: To provide a high-quality optical film which can be produced, by spreading a coating solution containing an organic solvent over a cellulose acylate film with proper stability of the coating solution, and less harmfulness and environmental load of the coating solvent and coating defects, such as coating streaks and drying unevenness, and to provide an antireflection film, a polarizing plate and an image display device. SOLUTION: The optical film is formed by forming at least one functional layer, by direct application of the coating solution onto a transparent support and drying the same, wherein unevenness in the thickness of the transparent support is not greater than ±5% from the average thickness, and an unevenness in amount of surface plasticizer on the transparent support on the functional layer side thereof is not greater than ±20% from the average amount of surface plasticizer. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供可以生产的高质量光学膜,通过在涂覆溶液的适当稳定性下将含有有机溶剂的涂布溶液涂布在纤维素酰化物膜上,并且具有较小的有害性和环境负荷 涂层溶剂和涂层缺陷,如涂层条纹和干燥不均匀性,并提供防反射膜,偏振片和图像显示装置。 解决方案:光学膜通过形成至少一个功能层而形成,通过将涂布溶液直接涂布在透明支撑体上并对其进行干燥,其中透明支撑体的厚度不均匀度不大于±5% 平均厚度和表面增塑剂在其功能层一侧的透明支撑体上的不均匀度不大于表面增塑剂的平均量的±20%。 版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • Method for manufacturing light diffusing film, antireflection film, and polarizing plate using the same, and liquid crystal display device
    • 制造光扩散膜,抗反射膜和使用其的极化板的方法和液晶显示装置
    • JP2005309399A
    • 2005-11-04
    • JP2005073049
    • 2005-03-15
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • IBUKI SHUNTARONISHIMURA HIROKAZU
    • G02B5/02B05D7/04B05D7/24C08J7/04G02B1/11G02B5/30G02F1/1335
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a light diffusing film which is free from surface whitening in black display and from point defects by coarse particles without decreasing light diffusing performance to improve visibility and which shows high production yield, to provide an antireflection film having a low refractive index layer applied on the above light diffusing film, to provide a polarizing plate by using the antireflection film, and to provide an image display apparatus equipped with the antireflection film or the polarizing plate. SOLUTION: The light diffusing film has a coating layer of a light diffusing layer containing light transmitting fine particles in a light transmitting resin, wherein the light transmitting fine particles are preliminarily subjected to filtration in an emulsion state or a dispersion liquid state prior to compounding into the coating liquid for forming the light diffusing layer. The antireflection film uses the light diffusing film. The polarizing plate uses one of the films, and an image display device is equipped with the antireflection film or the polarizing plate. COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决问题的方案:提供一种制造在黑色显示器中没有表面发白的光漫射膜的方法和通过粗粒子的点缺陷,而不降低光散射性能以提高可见度并且显示出高的产量,至 提供一种在上述光扩散膜上施加低折射率层的抗反射膜,通过使用防反射膜提供偏振片,并提供一种配备有防反射膜或偏振片的图像显示装置。 解决方案:光漫射膜具有在透光树脂中含有透光微粒的光漫射层的涂层,其中透光微粒预先在乳液状态或分散液状态下进行过滤 以混合到用于形成光漫射层的涂布液中。 防反射膜使用光漫射膜。 偏光板使用一个膜,并且图像显示装置配备有抗反射膜或偏振片。 版权所有(C)2006,JPO&NCIPI
    • 3. 发明专利
    • Method for producing optically functional film, optically functional film, polarizing plate and image display device
    • 用于生产光学功能膜,光学功能膜,极化板和图像显示装置的方法
    • JP2006089566A
    • 2006-04-06
    • JP2004275416
    • 2004-09-22
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • INOUE KATSUMIIBUKI SHUNTARO
    • C08J7/04B32B27/30C08L1/02G02B1/11G02B5/30G02F1/1335
    • PROBLEM TO BE SOLVED: To provide an optically functional film having excellent interlaminar adhesion and an antireflection film improved not only in interlaminar adhesion but also in antireflection properties and scratch resistance; and to provide a polarizing plate using an optical compensation film or an antireflection film, and an image display device having the polarizing plate. SOLUTION: The method for producing the optically functional film containing a fluoroaliphatic group-containing copolymer having ≥10 mass% content of a polymerization unit of a fluoroaliphatic group-containing monomer, and having a functional layer containing the fluoroaliphatic group-containing copolymer unevenly distributed on the surface of the functional layer comprises coating a coating liquid from a slot of a tip lip on the surface of a transparent supporter continuously traveling by being supported by a back-up roll, by bringing a land of the tip lip of the slot die close, drying the solvent, and optionally curing the coated product with ionizing radiation or heat. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有优异的层间粘合性和抗反射膜的光学功能膜不仅改善了层间粘合性,而且改善了抗反射性和耐擦伤性; 并且提供使用光学补偿膜或抗反射膜的偏振片,以及具有偏振片的图像显示装置。 解决方案:含有含氟脂族基团的单体的聚合单元含量≥10质量%,含有含氟脂族基团的共聚物的官能层的含氟脂族基团共聚物的光学功能膜的制造方法 不均匀地分布在功能层的表面上的方法包括:通过由支撑辊支撑,连续行进的透明支撑体的表面上的尖端唇的槽涂布涂布液, 槽密封,干燥溶剂,并且可选地用电离辐射或热量固化涂覆的产品。 版权所有(C)2006,JPO&NCIPI
    • 7. 发明专利
    • Antireflection film and display device
    • 防反射膜和显示器件
    • JP2004163610A
    • 2004-06-10
    • JP2002328573
    • 2002-11-12
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • IBUKI SHUNTAROYASUDA TOMOKAZU
    • G02B5/30B32B27/30G02B1/11G02F1/1335G09F9/00
    • PROBLEM TO BE SOLVED: To provide an antireflection film which has high planar uniformity and which makes sufficient antireflection and scuffing-resistance compatible in performance. SOLUTION: The antireflection film is composed of a plurality of functional layers which are laminated on a transparent supporting body and which have different refractive indexes. In at least one layer of the functional layers, there is contained fluoro alphatic radical containing copolymer. The film is characterized in that this fluoro alphatic radical containing copolymer contains (i) a recurring unit equivalent to a specific fluoro alphatic radical containing monomer and (ii) a recurring unit equivalent to the monomer of poly (oxy-alkylene) acrylate and/or poly (oxy-alkylene) methacrylate. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供具有高平面均匀性并且具有足够的防反射和耐磨损性能兼容的抗反射膜。 解决方案:抗反射膜由层叠在透明支撑体上并具有不同折射率的多个功能层构成。 在至少一层功能层中,含有含氟基自由基的共聚物。 该膜的特征在于该含氟同基自由基共聚物含有(i)与特定含氟类基团的单体相当的重复单元和(ii)与聚(氧基 - 亚烷基)丙烯酸酯单体相当的重复单元和/或 聚(氧 - 亚烷基)甲基丙烯酸酯。 版权所有(C)2004,JPO