Nitto-denko Corporation

Daisuke Hamamoto

Katsunori Takada

Hiroyuki Takao

Takayuki Shigematsu

Seiichi Kusumoto

Hiroki Kuramoto

Yuuichi Kimura

Naoki Tsuno

Tomonori Noguchi

Naoki Hashimoto

Hiroki Ozawa

Masaki Ninomiya

A hard-coated antiglare film that has superior antiglare properties, allow high definition to be provided even in the case of a low haze value, can prevent white blur in an oblique direction from occurring and, and can improve the depth of black in black display, as well as a polarizing plate, and the like. The hard-coated antiglare film includes a transparent plastic film substrate and a hard-coating antiglare layer containing fine particles, which is on at least one surface of the transparent plastic film substrate. The hard-coated antiglare film has a total haze value Ht in the range of 10% to 35%. The total haze value Ht and an internal haze value Hin satisfy a relationship of 0.5&#x2266;Hin/Ht&#x2266;0.9. The surface of the hard-coating antiglare layer has an uneven shape and an arithmetic average surface roughness Ra in the range of 0.1 to 0.3 &#x3bc;m.

Hard-coated antiglare film, polarizing plate and image display including the same, method for producing the same, and method for evaluating the same

The present invention provides a hard-coated antiglare film that has an extremely low haze value, superior anti-fluorescent lamp glare properties, and anti-face glare properties, and can improve the depth of black in black display by preventing white blur from occurring. The hard-coated antiglare film: including a transparent plastic film substrate; and a hard-coating antiglare layer containing fine particles, and has a total haze value in a range of 0% to 5%. The number Nof convexities and the number Nof convexities satisfy the relationship 0.4&#x2266;N/N&#x2266;0.8. And the number of convexities in which line segments of portions of the mean line that cross the convexities each have a length of 50 &#x3bc;m or shorter, among convexities the exceed a second standard line that is parallel with the mean line and is located at a height of 0.2 &#x3bc;m, is 10 or less.

Hard-coated antiglare film, polarizing plate and image display including the same, and method for producing the same

A hard-coated antiglare film, comprising a transparent plastic film substrate and a hard-coating antiglare layer containing fine particles on at least one surface of the transparent plastic film substrate, wherein an arithmetic average surface roughness Ra (&#x3bc;m) that is defined in JIS B 0601 (1994 version) is in the range of 0.05 to 0.15 &#x3bc;m in an uneven shape of a surface of the hard-coating antiglare layer, and the hard-coated antiglare film includes at least 80 convexities that exceed a roughness mean line of a surface roughness profile in a 4-mm long portion at an arbitrary location of the surface of the hard-coating antiglare layer.

Hard-coated antiglare film, and polarizing plate and image display including the same

A hard-coated antiglare film is provided that has high hardness, high scratch resistance, and good antiglare properties. In the hard-coated antiglare film of the present invention including a transparent plastic film substrate, a hard-coating layer containing fine particles is formed on at least one surface of the transparent plastic film substrate, the hard-coating layer has a thickness in the range of 15 to 30 &#x3bc;m, the fine particles have a weight average particle size of 30 to 75% of a thickness of the hard-coating layer, the average tilt angle &#x3b8;a of the unevenness of the hard-coating layer surface is in the range of 0.4&#xb0; to 1.5&#xb0;, and the hard-coating layer is formed using a resin for forming the hard-coating layer containing three specific resin components.

Hard-coated antiglare film, method of manufacturing the same, optical device, polarizing plate, and image display

A hard-coating layer is formed on at least one surface of a transparent plastic film substrate using a material for forming a hard-coating layer. The material contains Components A, B, and C. Component A is at least one of urethane acrylate and urethane methacrylate. Component B is at least one of polyol acrylate and polyol methacrylate. Component C is a polymer containing a repeating unit represented by General Formula 1 indicated below. 

Hard-coated film, method of manufacturing the same, optical device, and image display

There is provided an antiglare hard-coated film that can maintain antiglare properties and suppress a reduction in the display contrast of a display, when composed of a transparent plastic film substrate and an antiglare hard coat layer formed thereon. The antiglare hard-coated filmincludes a transparent film substrateand a hard coat layerthat is provided on at least one side of the transparent film substrate, contains fine particles, and has an irregular surface, wherein the fine particleshave an average particle size of 6 &#x3bc;m to 15 &#x3bc;m and form irregularities with an average slope angle &#x3b8;a of 0.4&#xb0; to 1.5&#xb0;, and the antiglare hard-coated film satisfies the relation: {(the contrast ratio)/(the contrast ratio of a hard-coated film without the fine particles)}&#xd7;100&#x2267;60%.

Antiglare hard-coated film

A transparent conductive film of the present invention comprises: a transparent film substrate; a hard-coating layer provided on one side of the transparent film substrate; and a transparent conductive thin layer provided on another side of the transparent film substrate, wherein the hard-coating layer is made from a material containing a urethane acrylate, a polyol (meth)acrylate and a (meth)acrylic polymer having an alkyl group containing two or more hydroxyl groups. The transparent conductive film of the present invention has good scratch resistance.

Transparent conductive film and touch panel

A hard-coated antiglare film that has excellent antiglare properties, prevents a glare phenomenon from occurring, and prevents white blur from occurring to have excellent display contrast in bright light. The hard-coated antiglare film includes a transparent plastic film substrate and a hard-coating antiglare layer containing fine particles. The hard-coating antiglare layer is formed on at least one surface of the transparent plastic film substrate. The hard-coating antiglare layer has a surface with an uneven structure. The hard-coated antiglare film has a total haze value ht in the range of 40 to 70%. The relationship between the total haze value ht and an inner haze value hi obtained due to scattering inside the hard-coating antiglare layer is a relationship of the total haze value ht&#x2266;the inner haze value hi.

Hard-coated antiglare film, polarizing plate, and image display

A hard coat film of the present invention comprises a hard coat layer, which is a cured coat layer, provided on at least one side of a transparent plastic film substrate, wherein a hard coat layer forming material comprises urethane acrylate (A); isocyanuric acid acrylate (B) and inorganic ultrafine particles (C), and has a high hardness and suppresses curling due to cracking and cure shrinkage.

Hard coat film, antireflection hard coat film, optical element and image display

There are provided a hard-coated antiglare film with high hardness, high scratch resistance and good antiglare properties, a method of manufacturing the film, an optical element using the film, and an image display including the film or the optical element. The hard-coated antiglare film of the invention includes a transparent film substrate and a hard-coating layer that contains fine particles and is formed on at least one side of the transparent film substrate, wherein the hard-coating layer has a thickness of 15 &#x3bc;m to 30 &#x3bc;m, the fine particles have an average particle size of 30% to 75% of the thickness of the hard-coating layer, and the fine particles form unevenness with a &#x3b8;a value of 0.4&#xb0; to 1.5&#xb0; according to JIS B 0601.

Growing community of inventors

Ibaraki, Japan

Daisuke Hamamoto