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Preparation method of light diffusion sheet with random micro/nano hybrid structure

A technology of light diffusion sheet and hybrid structure, which is applied in the field of light diffusion sheet, can solve the problems of bad influence on product quality, difficult control of uniformity, high technical content, etc., achieve high production and application value, ensure high fidelity, and simple production process Effect

Inactive Publication Date: 2016-05-18
HUAIAN COLLEGE OF INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the uniformity of particle distribution is relatively difficult to control, it limits its transmittance and haze - the most important indicators of light diffusion sheets, which affects its uniformity, resulting in the agglomeration of light during the diffusion process, which affects the quality of the product. Cause adverse effects, so traditional conventional methods have technical drawbacks of high technical content and low productivity

Method used

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  • Preparation method of light diffusion sheet with random micro/nano hybrid structure
  • Preparation method of light diffusion sheet with random micro/nano hybrid structure
  • Preparation method of light diffusion sheet with random micro/nano hybrid structure

Examples

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Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: Prepare a light diffusion sheet with a random micro / nano hybrid structure according to the following specific steps

[0022] (1) The quartz glass plate was firstly cleaned by ultrasonic cleaning with acetone for 10 minutes, followed by ultrasonic cleaning with isopropanol for 10 minutes, then ultrasonic cleaning with Semicoclean (trade name) for 10 minutes, then ultrasonic cleaning with ultrapure water for 10 minutes, and then Use the ultraviolet ozone cleaning device to clean the surface for 10 minutes, and finally put the quartz glass plate in a drying oven (Jianqiao, JQ-9030) to dry at 100°C for 5 minutes;

[0023] (2) Move the pretreated quartz glass plate to the vacuum evaporation chamber (Liaoning Juzhi, JZZF-500-Ⅱ), and control the vacuum degree of the vacuum chamber at 2×10 -6 Torr evaporates an 800nm ​​Ag film at an evaporation rate of 0.08nm / sec;

[0024] (3) Move the quartz glass plate with the Ag film into a nitrogen-protected glove box (Lijia, L...

Embodiment 2

[0027] Example 2: Prepare a light diffusion sheet with a random micro / nano hybrid structure according to the following specific steps

[0028] (1) The quartz glass plate was firstly cleaned by ultrasonic cleaning with acetone for 10 minutes, followed by ultrasonic cleaning with isopropanol for 10 minutes, then ultrasonic cleaning with Semicoclean (trade name) for 10 minutes, then ultrasonic cleaning with ultrapure water for 10 minutes, and then Use the ultraviolet ozone cleaning device to clean the surface for 10 minutes, and finally put the quartz glass plate in a drying oven (Jianqiao, JQ-9030) to dry at 100°C for 5 minutes;

[0029] (2) Move the pretreated quartz glass plate to the vacuum evaporation chamber (Liaoning Juzhi, JZZF-500-Ⅱ), and control the vacuum degree of the vacuum chamber at 3×10 -6 Torr evaporates an 800nm ​​Ag film at an evaporation rate of 0.08nm / sec;

[0030] (3) Move the quartz glass plate with the Ag film into a nitrogen-protected glove box (Lijia, L...

Embodiment 3

[0033] Example 3: Prepare a light diffusion sheet with a random micro / nano hybrid structure according to the following specific steps

[0034](1) The quartz glass plate was firstly cleaned by ultrasonic cleaning with acetone for 10 minutes, followed by ultrasonic cleaning with isopropanol for 10 minutes, then ultrasonic cleaning with Semicoclean (trade name) for 10 minutes, then ultrasonic cleaning with ultrapure water for 10 minutes, and then Use the ultraviolet ozone cleaning device to clean the surface for 10 minutes, and finally put the quartz glass plate in a drying oven (Jianqiao, JQ-9030) to dry at 100°C for 5 minutes;

[0035] (2) Move the pretreated quartz glass plate to the vacuum evaporation chamber (Liaoning Juzhi, JZZF-500-Ⅱ), and control the vacuum degree of the vacuum chamber at 4×10 -6 Torr evaporates an 800nm ​​Ag film at an evaporation rate of 0.08nm / sec;

[0036] (3) Move the quartz glass plate with the Ag film into a nitrogen-protected glove box (Lijia, LJ...

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Abstract

The invention discloses a preparation method of a light diffusion sheet with a random micro / nano hybrid structure. The preparation method includes the following steps that: the surface of a substrate is provided with the light diffusion sheet composed of a light diffusion layer; and the light diffusion layer is provided with the concave-and-convex-alternately-arranged random micro / nano hybrid structure which is formed through ultraviolet nano imprinting. The preparation method of the invention is simple. With the preparation method adopted, the light diffusion sheet has the advantages of high haze, stable transmittance, fast formation, low cost and high market value.

Description

technical field [0001] The invention relates to a light diffusion sheet, in particular to a method for preparing a light diffusion sheet with a random micron / nano mixed structure, which is widely used in the field of flat panel display devices. Background technique [0002] The light diffusion sheet has the function of diffusing light, that is, the light will be reflected, refracted or diffracted on its surface, so that the light can be evenly and softly diffused, and the point and line light sources can be converted into line and surface light sources. Diffusers are widely used in LED lighting, LCD flat panel display, projection and other fields. The traditional light diffusion sheet is made by coating method, that is, the substrate is coated with fine particles (such as SiO 2 ) resin layer, and then the resin is cured or volatilized to obtain a light diffusion sheet. However, because the uniformity of particle distribution is relatively difficult to control, it limits it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/02
Inventor 吕广才周雷陈静李朝林吴大军
Owner HUAIAN COLLEGE OF INFORMATION TECH
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