Anti-dazzle film, anti-dazzle polarizer and image display apparatus

An anti-glare polarizer and anti-glare film technology, which is applied in polarizing elements, nonlinear optics, electronic equipment, etc. The effect of lowering, excellent visibility and durability, and high anti-glare performance

Inactive Publication Date: 2010-06-09
SUMITOMO CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when such a conventional anti-glare film is arranged on the surface of an image display device, there are problems such as whitening of the entire display surface due to scattered light, displaying a cloudy color, and easy occurrence of cloudiness.
[0004] In addition, in the case of high-definition image display devices, the pixel of the image display device interferes with the surface unevenness of the anti-glare film. class questions
In order to eliminate the glare, it has also been tried to set a refractive index difference between the adhesive resin and the filler dispe

Method used

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  • Anti-dazzle film, anti-dazzle polarizer and image display apparatus
  • Anti-dazzle film, anti-dazzle polarizer and image display apparatus
  • Anti-dazzle film, anti-dazzle polarizer and image display apparatus

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0071]

[0072] (Preparation of coating solution A)

[0073] The following components were dissolved in ethyl acetate at a solid content concentration of 60% to prepare an ultraviolet curable resin composition A having a refractive index of 1.53 after curing.

[0074] 60 parts of pentaerythritol triacrylate

[0075] Multifunctional urethane acrylate (reaction product of hexamethylene diisocyanate and pentaerythritol triacrylate) 40 parts

[0076] Next, with respect to 100 parts by weight of the solid content of the ultraviolet curable resin composition A, methyl methacrylate / styrene copolymer resin beads (weight average particle diameter of 7.43 μm, refractive index of 1.55, and immersion at 23° C. The volume change rate at 48 hours in ethyl acetate was 11%) 40 parts by weight, and 5 parts by weight of "Lucirin TPO" (manufactured by BASF Corporation) as a photopolymerization initiator, diluted with ethyl acetate so that the solid content ratio was 60 %, thereby preparing coating liqu...

Example Embodiment

[0081]

[0082] With respect to 100 parts by weight of the solid content of the above-mentioned ultraviolet curable resin composition A, methyl methacrylate / styrene copolymer resin beads (weight-average particle diameter of 7.74 μm, refractive index of 1.55, and immersion at 23° C. The volume change rate in ethyl acetate at 48 hours was 15%) 40 parts by weight, and 5 parts by weight of "Lucirin TPO" (manufactured by BASF Corporation) as a photopolymerization initiator, diluted with ethyl acetate to give a solid content ratio of 60 %, a coating solution B was prepared.

[0083] Except for using this coating liquid B, as in Example 1, an anti-glare film B composed of a laminate of a hard coat layer having irregularities on the surface and a TAC film was obtained.

Example Embodiment

[0084]

[0085] With respect to 100 parts by weight of the solid content of the above-mentioned ultraviolet curable resin composition A, methyl methacrylate / styrene copolymer resin beads (weight average particle diameter of 7.63 μm, refractive index of 1.55, and immersion at 23° C. The volume change rate in ethyl acetate at 48 hours was 63%) 40 parts by weight, and 5 parts by weight of "Lucirin TPO" (manufactured by BASF Corporation) as a photopolymerization initiator, diluted with ethyl acetate to give a solid content ratio of 60 %,Prepare coating liquid C.

[0086] Except for using this coating liquid C, in the same manner as in Example 1, an anti-glare film C composed of a laminate of a hard coat layer having irregularities on the surface and a TAC film was obtained.

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Abstract

The invention provides an anti-dazzle which has a resin base material film and a hard coating layer laminated on the resin base material film surface and having micro concavo-convex shapes on the surface; the hard coating layer is made of a light transparent resin with at least one kind of resin particles dispersed therein; the hard coating layer has a surface haze of 1%-10% and an inside haze of 10%-20%; the volume change rate of the resin particles is above 10% when dipped in vinyl acetate for under 23 degrees centigrade for 48 hours. And the invention further provides an anti-dazzle polarizer and an image display apparatus using the anti-dazzle film.

Description

technical field [0001] The present invention relates to an antiglare (antiglare) film that exhibits excellent antiglare performance, does not cause white turbidity, does not cause glitter (glittering) when applied to an image display device, and has excellent durability, and an antiglare film using the antiglare film. Glare polarizer and image display device. Background technique [0002] In image display devices such as liquid crystal displays, plasma display panels, CRT displays, and organic electroluminescent (EL) displays, if external light is reflected on the display surface, the visibility is significantly impaired. In the past, in order to prevent the reflection of such external light, in terms of TVs, personal computers, video cameras used outdoors where the intensity of external light is strong, digital cameras, and mobile phones that use reflected light to display, image display devices The surface is provided with a film layer to prevent external light from being...

Claims

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Application Information

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IPC IPC(8): G02B1/11G02B5/30G02F1/1335
CPCB32B3/30B32B7/023B32B27/08B32B2457/202G02B5/02G02F1/1335
Inventor 古谷勉宫本浩史神野亨
Owner SUMITOMO CHEM CO LTD
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