Optical thin film with resin coating containing narrow particle size distributed organic particle

A technology of organic particles and optical films, applied in the field of diffusion films with organic particles with narrow particle size distribution, to achieve the effects of not easy aggregation or adhesion, good brightness, and avoiding unstable optical properties

Inactive Publication Date: 2008-04-02
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

For example, in the case of liquid crystal monitors, the design of two or three diffusion films is used to replace the previous design of the concentrator and the upper and lower diffusion films, but the brightness and other product performance of this method cannot be compared with the original design. compared to

Method used

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  • Optical thin film with resin coating containing narrow particle size distributed organic particle
  • Optical thin film with resin coating containing narrow particle size distributed organic particle
  • Optical thin film with resin coating containing narrow particle size distributed organic particle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0097] 1), preparation of resin coating

[0098] Take a 250 ml glass bottle, and add solvents: 22 grams of toluene and 12 grams of butyl acetate into the glass bottle. Under high-speed stirring, add 32 grams of acrylic particles [FH-15HY2F2 with an average particle size of 15 μm, produced by Toyobo Corporation in Japan, which are composed of methyl methacrylate and ethylene glycol dimethacrylate with a weight ratio of 60:40. Highly cross-linked organic particles made of monomers, the particle size distribution range is 15 μm ± 30%], 28 grams of polymethacrylic acid polyol resin [Eterac7361-ts-50, Eternal company] (about 50% of solid content), Then add 4 grams of hardener [Desmodur3390, Bayer Company] (about 75% of solid content), 2 grams of antistatic agent [GMB-36M-AS, Marubishi oil Chem.Co., Ltd] (about 20% of solid content), and finally Bubble into about 49% of solid content and about 100 gram coatings of total weight. The paint was coated on the surface of a PET substrat...

Embodiment 2

[0102] 1), preparation of resin coating

[0103] Take a 250 ml glass bottle, and add solvents: 22 grams of toluene and 12 grams of butyl acetate into the glass bottle. Under high-speed stirring, add 28 grams of acrylic particles [FH-8HY2F2 with an average particle size of 8 μm, produced by Toyobo Corporation in Japan, which are composed of methyl methacrylate and ethylene glycol dimethacrylate at a weight ratio of 60:40. Highly cross-linked organic particles made of monomers, the particle size distribution range is 8 μm ± 30%], 40 grams of polymethacrylic polyol resin [Eterac 7361-ts-50, Eternal company] (about 50% of solid content) , then add 5 grams of hardener [Desmodur 3390, Bayer company] (about 75% of solid content), 2 grams of antistatic agent [GMB-36M-AS, Marubishi oil Chem.Co., Ltd] (about 20% of solid content) , finally soaked into about 47% of solid content and about 109 grams of coating by total weight. The paint was coated on the surface of a PET substrate [U34,...

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Abstract

The invention provides an optics film, wherein, at least one surface of base material is provided with a resin coating with concave and convex structure. The coating comprises an organic grain and a cement, wherein, the organic grain is polyacrylic acid ester resin which is polymerized by an acrylic acid ester monomer with at least one single functional base and an acrylic acid ester monomer with at least one multiple functional base and the weight occupying 30 percent to 70 percent of total weight of polymerization monomer. The organic grain has single and average grain diameter. The grain diameter distribution fall within in around 30 percent of average grain diameter. Furthermore, the organic grain relative to solid shape part quantity of the cement is that each of 100 weight part of the solid shape part of the cement contains 110 to 360 weight part organic grain. The optics film has good light diffusion effect for ray and avoids extreme diffusion of scattering of light which complies with light diffusion efficiency requirement and has excellent brightness to use the light source effectively as the diffusion film of various LCD panel backlighting moulds.

Description

technical field [0001] The invention relates to an optical film, especially a diffusion film used in a LCD panel backlight module, especially a diffusion film with organic particles with narrow particle size distribution. Background technique [0002] A back light module (back light module) is one of the key components of the LCD panel. Since the liquid crystal itself cannot emit light by itself, the main function of the backlight module is to provide a light source with sufficient brightness and uniform distribution for the liquid crystal panel. The basic principle is to convert the commonly used point light source or linear light source into a high Surface light source products with uniform brightness and luminance can provide the backlight required by the product so that it can display images normally. [0003] Backlight modules can be broadly classified into direct-lit and side-lit types according to their structures. The direct-lit backlight module arranges the light ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/02G02B1/04G02B1/00G02F1/13357G02F1/1335
Inventor 许龙麟王君庭
Owner 长兴光学材料(苏州)有限公司
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