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A fully laminating light-curing silicone liquid optical adhesive, a display panel containing it, and a preparation method thereof

A light-curing and silicone technology, which is applied in optics, nonlinear optics, adhesives, etc., can solve the problems of reducing production efficiency and achieve the effects of reducing production costs, high stability, and low energy consumption

Active Publication Date: 2022-03-22
DONGGUAN POWERBOND NEW MATERIALS TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The frame glue provided by the invention has good compatibility with the silicone liquid glue, and can prevent the problem of air bubbles and impurities in the silicone liquid optical glue after curing and lamination. will reduce production efficiency

Method used

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  • A fully laminating light-curing silicone liquid optical adhesive, a display panel containing it, and a preparation method thereof
  • A fully laminating light-curing silicone liquid optical adhesive, a display panel containing it, and a preparation method thereof
  • A fully laminating light-curing silicone liquid optical adhesive, a display panel containing it, and a preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0097] This preparation example provides a kind of hyperbranched mercapto-modified silicone oil, and its preparation method is as follows:

[0098] (1) Dilute 10 parts of inorganic acid into deionized water according to 1:4, stir evenly, and transfer to a constant pressure dropping funnel;

[0099] (2) Add 25 parts of dimethyldimethoxysilane, 5 parts of trimethoxymercaptosilane, 20 parts of hexamethyldisilane in the flask equipped with stirrer, thermometer, condenser tube and constant pressure dropping funnel, During the stirring process, add the mineral acid diluted with deionized water dropwise, and control the reaction temperature at 60°C until the dropwise addition is completed;

[0100] (3) Slowly drop 40 parts of tetramethoxysilane into the flask, control the reaction temperature at 60°C, and raise the temperature to 85°C for 4 hours after the dropwise addition;

[0101] (4) Wash with 500ml of a mixed solution of deionized water and toluene at a weight ratio of 4:1 unti...

Embodiment 1-4

[0121] According to the components shown in Table 1, the frame glue and surface glue of light-curing silicone liquid optical glue were prepared.

[0122] Table 1

[0123]

[0124]

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Abstract

The invention provides a fully laminating light-curing organic silicon liquid optical glue and a method for using the same, including frame glue and surface glue; wherein, the test is carried out according to the standard GB / T 614‑2006 general method for measuring the refractive index of chemical reagents, the said The refractive index difference between the frame glue and the surface glue is ≤0.005. The refractive index difference between the frame glue and the surface glue provided by the invention is extremely small, below 0.005, and the chemical compatibility is good. Therefore, in application, the technical effect of seamless lamination can be realized.

Description

technical field [0001] The invention belongs to the technical field of adhesives, and relates to a full lamination light-curing organic silicon liquid optical adhesive, a display panel containing it and a preparation method. Background technique [0002] From the perspective of the structure of the screen, the screen is roughly divided into three parts, from top to bottom are the protective glass, touch screen and display screen, and these three parts need to be bonded, divided into three parts according to the bonding method Full fit and frame stickers. [0003] Full lamination refers to the use of liquid optical glue to seamlessly bond the display module with the touch panel / cover to reduce light loss and glare, increase contrast, and improve display effects. It is also dustproof, waterproof, and stress buffering. technology with many effects. In the prior art and industrial production, the liquid crystal display screen usually uses a metal frame to seal the four sides o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J183/07C09J183/08C09J183/04G02F1/1333
CPCC09J183/04G02F1/133308G02F1/13338C08L2205/035C08L2205/025C08L2205/03C08L2203/206C08L83/04C08L83/08
Inventor 黎松陈富强成浩冠张小中綦俊杰刘兆辉
Owner DONGGUAN POWERBOND NEW MATERIALS TECH DEV
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