Dai Nippon Printing Co., Ltd.

Dexerials Corporation

Tomoyuki Horio

Kazuhiro Watanabe

Masataka Nakashima

Yuya Inomata

Takeshi Nishizono

Jun Sato

Mariko Hayashi

Kana Yamamoto

Kiyotaka Matsui

Mayu Youki

Takashi Kuroda

Toshio Yoshihara

Hiroomi Katagiri

Yoshihiro Nishimura

Seiichi Isojima

Seiji Shinohara

Sho Suzuki

Takahisa Nomura

Yoko Kinoshita

Tatsuya Kozakai

Atsushi Horii

Osamu Watanabe

Kiyoshi Itoh

Norinaga Nakamura

Masayuki Tsunekawa

Satoshi Kuboyama

Kenji Shirai

Michiaki Takei

Ryohei Miyata

Emi Shimano

Kentaro Oshima

Yukihiro Ono

Yoshinari Matsuda

Yusuke Hiruma

Hiroaki Omori

Makoto Nanaumi

Kana Horii

Jun Ueda

Keisuke Endou

Atsushi Washio

Keita Iwahara

Takanobu Tadaki

Kio Mizuno

Yoshiko Kiyohara

Keiko Tasaki

Provided is an optical film which can promise to be thinner and makes it possible to enhance adhesion between a first functional layer and a second functional layer; and a polarizing plate and an image display device both of which include such an optical film. One aspect of the present invention is to provide an optical filmincluding a light-transmitting base material, a first functional layer, and a second functional layerin this order, and further including a mixed layer; wherein at least one of the first functional layerand the second functional layercontains an ultraviolet absorber; wherein the mixed layeris provided between the first functional layerand the second functional layer, is adjacent to the first functional layerand the second functional layer, and contains a component of the first functional layerand a component of the second functional layer; wherein the total film thickness of the first functional layer, the second functional layer, and the mixed layeris 1 μm or more and 10 μm or less; and wherein the ratio of the film thickness of the mixed layerto the total film thickness of the first functional layer, the second functional layer, and the mixed layeris 0.6% or more and 40% or less.

Optical film, polarizer protective film, transfer body for polarizer protective film, polarization plate, image display device, and method for manufacturing polarizer protective film

To provide an antireflection member which not only has a low reflectance, but also is enhanced in scratch resistance, and an image display device comprising the antireflection member. An antireflection membercomprising a low refractive index layeron a transparent substrate, in which the low refractive index layerincludes a binder resin and silica particlesand, a ratio of Si element attributed to the silica particles, obtained by analysis of a surface region of the low refractive index layerby X-ray photoelectron spectroscopy, is 10.0 atomic percent or more and 18.0 atomic percent or less and a ratio of C element under the assumption that the ratio of Si element is defined to be 100 atomic percent is 180 atomic percent or more and 500 atomic percent or less.

Antireflective member, and polarizing plate, image display device and antireflective article each equipped with same

Provided is a method for manufacturing a transfer sheet which can impart a sufficient function to an adherend. The method for manufacturing a transfer sheet includes performing the following steps (1) and (2) in order: (1) applying a coating liquid for forming a transfer layer onto a release substrateto form a transfer layer comprising at least one functional layer; and (2) laminating a release substrateonto the transfer layer to obtain a transfer sheet A comprising the release substrate, the transfer layer and the release substratein the presented order and having a peel strengthbetween the release substrateand the transfer layer larger than a peel strengthbetween the release substrateand the transfer layer.

Transfer sheet and manufacturing method for same, method for manufacturing molded body using said transfer sheet and molded body, and front plate using said molded body and image display device

The present invention provides a layered body for organic electroluminescence which is excellent in the hardness, the transparency and the folding-durable performance. The present invention is a layered body for organic electroluminescence in which an optical layered body is laminated on one surface of an organic electroluminescence layer and which is not cracked or fractured when a test in which the entire area of the layered body for organic electroluminescence is folded 180 degrees at 20 mm intervals is repeated 100,000 times.

Layered body for optical member and image display device

Provided is an optical layered body which is extremely high in the stability of the antistatic performance, and has a stable surface resistance even after a durability test. The optical layered body includes an antistatic layer on one face of a light-transmitting substrate, wherein the antistatic layer is formed using a composition for an antistatic layer containing conductive fine particles, a resin component, and a solvent, and the resin component has no reactive functional groups in a molecule, and is soluble in the solvent and compatible with the conductive fine particles.

Optical layered body and image display device

The present invention provides a layered body having high hardness and excellent flexibility and useful as a substitute material for glass, and the layered body includes a substrate film, a hard coat layer on one face of the substrate film, and a resin-cured layer on the other face of the substrate film. The layered body is not cracked when wound on a 30 mm-diameter cylinder and has a hardness of 0.5 to 1.5 GPa when an indenter is pushed in 500 nm by a nano-indentation method and/or a hardness of 0.29 to 1.10 GPa at 500 mN load using a micro-hardness tester.

Layered body

The claimed invention provides an antistatic hard coat film that is extremely excellent in white muddiness resistance and antistatic properties and sufficiently prevents an interference fringe pattern. The claimed invention provides an antistatic hard coat film including a triacetyl cellulose substrate and a hard coat layer formed on the triacetyl cellulose substrate, the hard coat layer including an antistatic agent, a (meth)acrylate resin, and a polymer of a (meth)acrylate monomer, the triacetyl cellulose substrate including a permeation layer formed by permeation of the (meth)acrylate monomer from the hard coat layer side of the interface toward the opposite side of the hard coat layer, the antistatic hard coat film satisfying Formulas (1), (2), and (3):3 &#x3bc;m&#x2264;&#x2264;18 &#x3bc;m&#x2003;&#x2003;Formula (1)0.3&#x2264;0.9&#x2003;&#x2003;Formula (2)2 &#x3bc;m&#x2264;&#x2264;11 &#x3bc;m&#x2003;&#x2003;Formula (3)where T denotes the total thickness (&#x3bc;m) of the permeation layer and the hard coat layer, and t denotes the thickness (&#x3bc;m) of the permeation layer.

Antistatic hardcoat film, process for producing same, polarizer, and image display device

The present invention aims to provide an optical layered body that has excellent interlayer adhesiveness, particularly even in outdoor use, and also has highly excellent anti-blocking properties. The present invention relates to an optical layered body including: a substrate film; a hard coat layer containing silica fine particles on at least one surface of the substrate film; and a dry film layer on a surface of the hard coat layer opposite to the substrate film side surface of the hard coat layer, wherein the silica fine particles are exposed on the dry film layer side surface of the hard coat layer; the dry film layer is directly formed on the surface of the hard coat layer on which the silica fine particles are exposed; the hard coat layer before the formation of the dry film layer has projections and depressions on the surface on which the dry film layer is to be formed; the hard coat layer has an average silica fine particle abundance in ten 0.2 &#x3bc;m&#xd7;0.2 &#x3bc;m regions of 30 to 80% and a standard deviation of silica fine particle abundances in the 10 regions of 1 to 7, where the 10 regions are randomly selected from a cross section of the hard coat layer in the thickness direction within the range from the dry film layer side interface to 10% of the thickness in the thickness direction; and the hard coat layer has a silicon atom abundance A of 2 to 10% on the surface opposite to the substrate film side surface as determined by X-ray photoelectron spectroscopy.

Optical layered body

Provided are an optical laminate including a resin layer on an acrylic base material in which the generation of an interference pattern is suppressed and the adhesiveness between the acrylic base material and the resin layer improves and a method for efficiently manufacturing the optical laminate. In the optical laminate including the resin layer on one surface of the acrylic base material, in a cross-section of the optical laminate in a thickness direction, an interface between the acrylic base material and the resin layer exhibits a ridge having crests and troughs and a length of the ridge corresponding to a standard length of 30 &#x3bc;m set in a direction perpendicular to the thickness direction of the optical laminate is in a range of 31 &#x3bc;m to 45 &#x3bc;m.

Optical layered object, polarizer obtained using same, and image display device

The present invention provides an optical layered body having excellent antistatic properties, optical characteristics, hardness, adhesion, and interference fringe prevention performance, which can be produced at a low cost. An optical layered body having a hard coat layer provided on a triacetylcellulose substrate, wherein a resin composition used for forming the hard coat layer contains a quaternary ammonium salt-containing polymer, a binder resin, and a solvent; the quaternary ammonium salt-containing polymer has a higher hydrophilicity than the binder resin; and the binder resin contains two or more resin components having different hydrophilicities.

Optical layered body, polarizer and image display device

An optical layered body has a light-transmitting substrate and a hard coat layer formed on the light-transmitting substrate. The hard coat layer contains reactive irregularly shaped silica fine particles and a binder resin. The reactive irregularly shaped silica fine particles are unevenly distributed at the side of the light-transmitting substrate in the hard coat layer. The hard coat layer can be divided in its thickness direction into three equal regions (1)-(3), in an order from the interface on the side of the light-transmitting substrate. Ratios of reactive irregularly shaped silica fine particles in the regions (1)-(3) are 30 to 90% in area, 25 to 80% in area, and 10 to 35% in area, respectively. The ratios satisfy the following relationship: the ratio of the region (1)&#x3e;the ratio of the region (2)&#x3e;the ratio of the region (3).

Provided are an optical laminated body including a resin layer on an acrylic base material in which the generation of an interference pattern is suppressed and the adhesiveness between the acrylic base material and the resin layer is improved and a method for efficiently manufacturing the optical laminated body. Provided are an optical laminated body including a resin layer including a binder resin and organic fine particles B on one surface of an acrylic base material including organic fine particles A, in which, in a standard length of 30 &#x3bc;m taken in a direction perpendicular to a thickness direction of the optical laminated body on a cross-section of the optical laminated body in the thickness direction, when an average depth of three deepest troughs selected from plural troughs in an interface between the acrylic base material and the resin layer is considered as a standard depth and then an average height of three highest crests selected from plural crests in the interface is considered as a standard height, a vertical difference between the standard height and the standard depth is in a range of 150 nm to 500 nm, a polarization plate and a liquid-crystal display device using the optical laminated body, and a method for manufacturing the optical laminated body.

Optical laminated body, method for manufacturing same, and polarization plate and liquid-crystal display device using optical laminated body

An optical layered body, which has a high hardness and a fine external appearance without an interference fringe, and is excellent in optical properties and in an adhesion property between a substrate and a hard coat layer. An optical layered body includes a light-transmitting substrate; and a hard coat layer, wherein the light-transmitting substrate is made of triacetyl cellulose, the hard coat layer is a resin layer formed with a composition for forming a hard coat layer containing colloidal silica, a solvent, and pentaerythritol tri(meth)acrylate and/or dipentaerythritol hexa(meth)acrylate, an amount of the pentaerythritol tri(meth)acrylate and/or dipentaerythritol hexa(meth)acrylate is 25% by mass or more in 100% by mass of a resin solid content in the composition for forming a hard coat layer, an amount of the colloidal silica is 30 to 70% by mass in 100% by mass of a total of the colloidal silica and the resin solid content in the composition for forming a hard coat layer, and the solvent consists of solvents impermeable to the light-transmitting substrate.

Optical layered body, method of producing the same, polarizer and image display device

An optical layered body that can reduce the occurrence of curling and has excellent workability when being affixed to a polarizing element or a display panel is provided. In particular is provided an optical layered body having a hard coat layer on one side of a triacetylcellulose substrate, wherein a Martens hardness (N1) of the surface of the hard coat layer, a Martens hardness (N2) of the center of the cross-section of the hard coat layer, and a Martens hardness (N3) of the center of the cross-section of a triacetylcellulose substrate as measured by nanoindentation at a load of 10 mN are as follows: the Martens hardness (N1) is 200 to 450 N/mm; the Martens hardness (N2) is 100 to 300 N/mm; and the Martens hardness (N3) is 150 to 250 N/mm.

Optical layered body, polarizer, and image display device

Growing community of inventors

Tokyo, Japan

Tomoyuki Horio