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Composition applied to optical diffusion membrane, optical diffusion membrane and liquid crystal display device

A technology of optical diffusion and composition, which is applied in the field of liquid crystal display devices and optical diffusion films, can solve the problems of ozone layer destruction, environmental pollution, physical injury of R&D and production personnel, etc., and achieve the effect of proper viscosity change and good dispersibility

Active Publication Date: 2012-10-10
NINGBO EXCITON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing compositions used in optical diffusion films are mainly composed of a main agent, a curing agent, spherical or ellipsoidal particle fillers, and a solvent, wherein the main agent is mixed with a curing agent to form an acrylic polymer, and the solvents are mostly toluene, xylene, A mixed solution of methyl ethyl ketone, although this commonly used composition can meet the market demand in terms of performance, the solvent toluene and xylene solutions used in it all belong to the second category of organic solvents in the classification of commonly used organic solvents, that is, they are non-genotoxic However, solvents that are carcinogenic to animals are likely to cause harm to the body of R&D and production personnel during the production process
Another research data shows that toluene and xylene will produce a certain photochemical reaction after entering the atmosphere, which will have a certain destructive effect on the ozone layer, thereby polluting the environment

Method used

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  • Composition applied to optical diffusion membrane, optical diffusion membrane and liquid crystal display device
  • Composition applied to optical diffusion membrane, optical diffusion membrane and liquid crystal display device
  • Composition applied to optical diffusion membrane, optical diffusion membrane and liquid crystal display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Embodiment 1: the preparation of composition 1

[0057] (1) Prepare 186.50 parts by weight of solvent, specifically adding 33.05 parts by weight of methyl ethyl ketone (Ningbo Chemical Materials Co., Ltd.), 54.85 parts by weight of butyl acetate (Ningbo Chemical Materials Co., Ltd.), 98.60 parts by weight of Ethyl acetate (Ningbo Chemical Raw Materials Co., Ltd.), cover the lid for subsequent use.

[0058] (2) Add 36.50 parts by weight of particle filler PMMA (MBX-20, Japan Sekisui Chemical Co., Ltd.) in container 002, the particle size is 1-100 microns, then the solvent in the above-mentioned container 001 is added to the container step by step In 002, use a stainless steel rod to slowly disperse the granular filler until all the solvent in the container 001 is added, and then put the container 002 on the stirrer (DJ660, Wuxi Deaosay Mixing Equipment Co., Ltd.) to stir, and the number of revolutions of the stirrer is 2000r / min, stop stirring after 10min.

[0059] (3)...

Embodiment 2

[0061] Embodiment 2: the preparation of composition 2

[0062] (1) Prepare 186.50 parts by weight of solvent, specifically adding 54.85 parts by weight of methyl ethyl ketone (Ningbo Chemical Materials Co., Ltd.), 33.05 parts by weight of butyl acetate (Ningbo Chemical Materials Co., Ltd.), 98.60 parts by weight of Ethyl acetate (Ningbo Chemical Raw Materials Co., Ltd.), cover the lid for subsequent use.

[0063] (2) Add 36.50 parts by weight of particle filler PMMA (MBX-20, Japan Sekisui Chemical Co., Ltd.) in container 002, the particle size is 1-100 microns, then the solvent in the above-mentioned container 001 is added to the container step by step In 002, use a stainless steel rod to slowly disperse the granular filler until all the solvent in the container 001 is added, and then put the container 002 on the stirrer (DJ660, Wuxi Deaosay Mixing Equipment Co., Ltd.) to stir, and the number of revolutions of the stirrer is 2000r / min, stop stirring after 10min.

[0064] (3)...

Embodiment 3

[0066] Embodiment 3: the preparation of composition 3

[0067] (1) Prepare 186.50 parts by weight of solvent, specifically adding 54.85 parts by weight of methyl ethyl ketone (Ningbo Chemical Materials Co., Ltd.), 54.85 parts by weight of butyl acetate (Ningbo Chemical Materials Co., Ltd.), 76.80 parts by weight of Ethyl acetate (Ningbo Chemical Raw Materials Co., Ltd.), cover the lid for subsequent use.

[0068] (2) Add 36.50 parts by weight of particle filler PMMA (MBX-20, Japan Sekisui Chemical Co., Ltd.) in container 002, the particle size is 1-100 microns, then the solvent in the above-mentioned container 001 is added to the container step by step In 002, use a stainless steel rod to slowly disperse the granular filler until all the solvent in the container 001 is added, and then put the container 002 on the stirrer (DJ660, Wuxi Deaosay Mixing Equipment Co., Ltd.) to stir, and the number of revolutions of the stirrer is 2000r / min, stop stirring after 10min.

[0069] (3)...

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Abstract

The invention provides a composition applied to an optical diffusion membrane, the optical diffusion membrane prepared from the composition and a liquid crystal display device using the membrane. The composition consists of the following components in part by weight: 15 to 80 parts of main agent, 1.5 to 16 parts of curing agent, 0.05 to 108 parts of particle filler and 20.1 to 500 parts of solvent, wherein the main agent is polyester polyol; and the solvent consists of 5.9 to 147 weight parts of methyl ethyl ketone, 5.9 to 147 weight parts of butyl acetate, and 8.3 to 206 weight parts of ethyl acetate. The solvent in the composition which is applied to the optical diffusion membrane is almost harmless to a human body and the environment, and meanwhile, luminance of the optical diffusion membrane can be increased.

Description

technical field [0001] The invention relates to an optical film, in particular to a composition applied to an optical diffusion film, an optical diffusion film made from the composition and a liquid crystal display device using the film. Background technique [0002] Optical films play an important role in the composition of liquid crystal displays, and each liquid crystal display generally uses 5 to 7 optical films, and optical diffusion film is one of the most important optical films. Optical diffusion films are widely used in liquid crystal display devices, advertising light boxes, lighting fixtures, mobile communication equipment keys and other devices that require light sources to provide uniform lighting. In recent years, liquid crystal display devices have developed rapidly and are widely used in mobile communication equipment display devices, notebook computers, desktop computers and large-size LCD TVs, which makes liquid crystal display devices have increasingly hig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/06C08L33/12C08L25/06C08L83/04C08K5/19C08K7/00C08K3/36C09D175/06C08G18/42G02B1/10G02B5/02G02F1/13357G02B1/16
Inventor 张彦金亚东
Owner NINGBO EXCITON TECH