Antiscraping optical film and use thereof

A technology of optical film and anti-scratch layer, applied in the field of optical film, can solve the problems of slow production speed, weak mechanical strength, poor light uniformity, etc., and achieve the effect of solving technical problems and low volume shrinkage rate

Inactive Publication Date: 2007-08-22
长兴光学材料(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, whether it is a traditional light guide plate with dot printing or a V-groove light guide plate, when used with a reflective film, since the optical structure on the reflective film directly rubs against the light guide plate, it is easy to cause fine scratches on the reflective film Or white spots, resulting in poor light uniformity and weak mechanical strength
Furthermore, at present, V-groove light guide plates are generally equipped with silver (Ag) reflectors, which not only requires the use of evaporation process, but the production speed is slow and the cost is high, and the metal silver is also easily scratched

Method used

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  • Antiscraping optical film and use thereof
  • Antiscraping optical film and use thereof
  • Antiscraping optical film and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0098] Take a 250 ml glass bottle, and add solvents: 16 grams of toluene and 13 grams of methyl ethyl ketone into the glass bottle. Under high-speed stirring, add UV curable resin in sequence: 8 grams of monomer mixture of 2-hydroxyethyl methacrylate, methyl methacrylate, butyl acrylate and pentaerythritol triacrylate, thermosetting resin: 16 grams of acrylate Resin [Eterac 7363-ts-50, Eternal company] (solid content about 50%), then add 1.6 grams of hardener [Desmodur 3390, Bayer company] (solid content about 75%), 1.6 grams of antistatic agent [GMB-36M -AS, Marubishi oil Chem.Co., Ltd] (solid content about 20%), photoinitiator: a total of 0.6 grams of benzophenone and 1-hydroxycyclohexyl phenyl ketone mixture, finally soaked into a solid content of about 30% and a total weight of approximately 57.6 grams of paint. Use RDS smear stick #6 to coat the paint on the surface of one side of the reflective sheet UX-188 [Teijin-Dupont Company], dry it at 100°C for 1 minute, and then...

Embodiment 2

[0100] Take a 250 ml glass bottle, and add solvents: 16 grams of toluene and 13 grams of methyl ethyl ketone into the glass bottle. Under high-speed stirring, add UV curable resin in sequence: 8 grams of monomer mixture of 2-hydroxyethyl methacrylate, methyl methacrylate, butyl acrylate and pentaerythritol triacrylate, thermosetting resin: 16 grams of acrylate Resin [Eterac 7363-ts-50, Eternal company] (solid content about 50%), then add 1.6 grams of hardener [Desmodur 3390, Bayer company] (solid content about 75%), 1.6 grams of antistatic agent [GMB-36M -AS, Marubishi oil Chem.Co., Ltd] (solid content about 20%), photoinitiator: a total of 0.6 grams of benzophenone and 1-hydroxycyclohexyl phenyl ketone mixture, finally soaked into a solid content of about 30% and a total weight of approximately 57.6 grams of paint. Use RDS smear stick #6 to coat the paint on the surface of one side of the reflective sheet UX-225 [Teijin-Dupont Company], dry it at 100°C for 1 minute, and then...

Embodiment 3

[0102] Take a 250 ml glass bottle, and add solvent: 30 grams of toluene and 30 grams of methyl ethyl ketone into the glass bottle. Add 1.36 grams of silicone resin microparticles [Tospearl 120E, GE-Toshiba Company] with an average particle diameter of 2 μm under high-speed stirring, UV-curable resin: 2-hydroxyethyl methacrylate, methyl methacrylate, A total of 36 grams of monomer mixture of butyl acrylate and pentaerythritol triacrylate, thermosetting resin: 30 grams of acrylate resin [Eterac 7363-ts-50, Eternal company] (about 50% of solid content), then add 3.0 grams of hardener [ Desmodur 3390, Bayer company] (about 75% of solid content), 6.0 grams of antistatic agent [GMB-36M-AS, Marubishi oil Chem.Co., Ltd] (about 20% of solid content), photoinitiator: diphenyl A total of 1.8 grams of the mixture of ketone and 1-hydroxycyclohexyl phenyl ketone was finally soaked into a coating with a solid content of about 41.7% and a total weight of about 138.16 grams. Use RDS smear sti...

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Abstract

The invention provides an anti-scratching optical film and its use. And its characters: at least a surface of its substrate is coated with antistatic anti-scratching layer whose surface resistivity is 108-1012 Ohm / sq and which has the hardness of pencil of 3H or above, according to the measurement by JIS K5400 standard method. And it has low volumetric shrinkage, unable to warp but having good antistatic performance and high hardness, applied to advertising lamp boxes or plane displays and other light source devices, especially applied to an LCD provided with ''V-channel'' light guide plate as anti-scratching reflective film at the bottom of the light guide plate.

Description

technical field [0001] The invention relates to an optical film, in particular to a scratch-resistant optical film with a hardened coating, in particular to a scratch-resistant reflective film applicable to light source devices such as liquid crystal displays. Background technique [0002] The liquid crystal panel itself does not emit light, so the backlight module as a source of brightness is an important component of the LCD display function, and the backlight module is very important for improving the brightness of the liquid crystal display. At present, the most economical and simple solution is to install various optical films in the backlight module. This method does not need to change any component design or consume extra energy, but it can improve the brightness of the LCD panel and make the light source the best. be utilized efficiently. FIG. 1 is a simple schematic diagram of various optical films contained in a backlight module. As shown in FIG. 1 , the optical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1335G02B1/04G02B1/00
Inventor 许龙麟
Owner 长兴光学材料(苏州)有限公司
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