JP2017167560A5

JP2017167560A5 -

Info

Publication number: JP2017167560A5
Application number: JP2017108157A
Authority: JP
Filing date: 2017-05-31
Publication date: 2018-02-15
Anticipated expiration: 2032-12-27

Claims

It has an antiglare layer on at least one surface of the translucent substrate, and the antiglare layer is formed using an antiglare layer forming material containing a resin and particles,
The anti-glare layer has an agglomerated part that forms a convex part on the surface of the anti-glare layer as the particles aggregate.
In the agglomerated part forming the convex part, the particles exist in a state of being gathered in the surface direction of the antiglare layer,
And,
The antiglare film is characterized in that the surface shape of the antiglare layer satisfies the following mathematical formulas (A) to (C).

0.05 ≦ Sm ≦ 0.4 (A)
0.1 ≦ θa ≦ 1.5 (B)
0.01 ≦ Ra ≦ 0.3 (C)

  In the formula (A), Sm is the average distance between projections and depressions [mm] on the surface of the antiglare layer,
  In the mathematical formula (B), θa is an average inclination angle [°] of the surface of the antiglare layer,
  In the mathematical formula (C), Ra is the arithmetic average surface roughness [μm] of the antiglare layer.

The antiglare layer forming material, further characterized and-law contains a thixotropy-imparting agent, claim 1 Symbol placement antiglare fill beam of.

The thixotropy-imparting agent, an organic clay, and wherein the at least one selected from the group consisting of oxidized polyolefin and a modified urea, antiglare fill beam according to claim 2, wherein.

The thickness (d) of the antiglare layer is in the range of 3 to 12 μm, and the particle diameter (D) of the particles is in the range of 2.5 to 10 μm. antiglare fill beam according to any one of 3.

The relationship between the thickness (d) and the particle diameter (D), characterized in that in the range of 0.3 ≦ D / d ≦ 0.9, antiglare fill beam according to claim 4, wherein.

Height from the roughness mean line of the antiglare layer of the convex portion, wherein the less than 0.4 times the thickness of the antiglare layer, any one of claims 1 to 5 antiglare film according to.

The anti-glare property according to any one of claims 1 to 6 , wherein the anti-glare layer has one or less appearance defects with a maximum diameter of 200 µm or more per 1 m ^{2 of the} anti-glare layer. the film.

Wherein between the translucent substrate and the antiglare layer, characterized in that the resin has an osmotic layer formed to penetrate the translucent base, of claims 1 to 7 The anti-glare film as described in any one of these.

Polarizer, and a polarizing plate characterized by having an antiglare film according to any one of claims 1 to 8.

An image display device comprising the antiglare film according to any one of claims 1 to 8 .

An image display device comprising the polarizing plate according to claim 9 .

Having the antiglare film on the viewing side surface,
In addition, it has a black matrix pattern,
The antiglare layer of the antiglare film has an agglomerated portion that forms a convex portion on the surface of the antiglare layer by the aggregation of the particles,
In the agglomerated part forming the convex part, the particles exist in a state of being gathered in the surface direction of the antiglare layer,
Wherein the antiglare film, a unidirectional said particles gathered plurality, characterized in that arranged so that the long side direction coincides of the black matrix pattern, the image display apparatus according to claim 10 or 11 wherein.