Antiglare film

A technology of anti-glare film and anti-glare layer, which is applied in the direction of optics, instruments, optical components, etc., can solve the problems of ambiguity in the specific means of surface shape, and achieve the effects of not being dazzling, sufficient hardness, and improved anti-glare

Pending Publication Date: 2020-08-28
KIMOTO & CO LTD 2 7 1 SHINJUKU SHINJUKU KU TOKYO JAPAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in Patent Document 3, the specific means for achieving the desired haze value and surface shape are also unclear.

Method used

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Examples

Experimental program
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Effect test

experiment example 1

[0125] As the base film, a transparent TAC (triacetyl cellulose) film with a thickness of 80 μm was used, and the anti-glare layer forming liquid 1 of the following formulation was applied to the other surface, dried and irradiated with ultraviolet rays to form a film with an average thickness of 4.5 μm. Anti-glare layer, and make anti-glare film.

[0126] It should be noted that the density and the refractive index of the material composed of the liquid mean the density and the refractive index of the solid component, respectively, except for the solvent.

[0127]

[0128]

[0129]

[0130] First, the haze value of the produced antiglare film and the haze value of the base film (transparent TAC film) which did not form an antiglare layer were measured based on JISK7136.

[0131] The value obtained by subtracting the haze value of the base film (transparent TAC film) from the haze value of the prepared anti-glare film was taken as the total haze value.

[0132] Next, a...

experiment example 2

[0143] An antiglare film was prepared and evaluated in the same manner as in Experimental Example 1 except that the antiglare layer forming liquid 1 in Experimental Example 1 was changed to the antiglare layer forming liquid 2 of the following formulation.

[0144]

[0145]

[0146]

[0147]It should be noted that the UV curable organic-inorganic hybrid acrylic resin used in the antiglare layer forming liquid 2 is a type of organic-inorganic hybrid resin that contains reactive nano-silica and forms an organic-inorganic composite by UV irradiation.

experiment example 3

[0149] An antiglare film was prepared and evaluated in the same manner as in Experimental Example 1 except that the antiglare layer forming liquid 1 in Experimental Example 1 was changed to the antiglare layer forming liquid 3 of the following formulation.

[0150]

[0151]

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Abstract

The present invention addresses the problem of providing an antiglare film which has an excellent antiglare property, in which glare is less likely to occur, and which is able to cope with higher definition. The abovementioned problem is solved by an antiglare film 1 which has an antiglare layer 11 on at least one surface of a substrate film 10, and is characterized in that the antiglare layer 11contains a base resin 12, particles A having a refractive index difference of 0.02 or more from the base resin 12 and a density exceeding 0.90 times the density of the base resin 12, and particles B having a density being 0.90 times or less the density of the base resin 12. By using low-density polyolefin particles or the like as the particles B, precipitation of the particles B can be prevented,thereby making it easier to solve the abovementioned problem.

Description

technical field [0001] The present invention relates to an antiglare film, and more specifically, to an antiglare film in which glare and antiglare properties can be greatly improved by using two specific types of particles. Background technique [0002] Conventionally, for display devices such as liquid crystal displays, CRT displays, EL displays, and plasma displays, an antiglare film having a concave-convex structure on the surface is provided on the surface of the display in order to prevent background reflection (扬り込み) of fluorescent lamps, external light, etc. [0003] As such an antiglare film, various ones obtained by dispersing fine particles in a transparent base resin to form a concave-convex structure on the surface are known (for example, Patent Documents 1 to 3). [0004] By using an ultraviolet curable resin or the like as the base resin, the antiglare film exhibits hard coat properties, and can be used as a protective film of a polarizing plate or the like. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/02
CPCG02B5/02G02B5/0242G02B1/111G02B1/04
Inventor 金京春杉山靖典渡部洋一
Owner KIMOTO & CO LTD 2 7 1 SHINJUKU SHINJUKU KU TOKYO JAPAN
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