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Preparation method of flexible composite substrate film

A composite substrate, flexible technology, applied in semiconductor/solid-state device manufacturing, electrical components, circuits, etc., can solve problems such as lowering the yield of manufactured products, separation and detachment of organic-inorganic interfaces, limitations of high-temperature dimensional stability of water and oxygen barrier properties, etc. , to achieve the effect of being beneficial to flattening, improving water and oxygen barrier properties, improving flatness and smoothness

Inactive Publication Date: 2019-12-17
FUJIAN HUAJIACAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the application and production of flexible substrates are mainly based on polymer substrate materials with good flexibility and bendability, but the polymer film substrates produced have certain limitations in terms of water and oxygen barrier properties and high temperature dimensional stability.
At the same time, there is an invention that adds an inorganic barrier layer on the surface of the polymer substrate to improve the performance of the substrate, but the organic-inorganic interface is prone to separation and falling off during use, which reduces the yield of the product.

Method used

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  • Preparation method of flexible composite substrate film

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preparation example Construction

[0017] A method for preparing a flexible composite substrate film, comprising the following steps:

[0018] Step 1: adding the sheet-layer nanomaterials into an organic solvent and mixing uniformly to obtain a first mixed solution;

[0019] Step 2: Add the first mixed solution obtained in step 1 into the polymer solution and mix evenly to obtain a second mixed solution;

[0020] Step 3: providing a carrier substrate, coating the second mixed solution obtained in step 2 on the carrier substrate to obtain a semi-finished flexible composite substrate film;

[0021] Step 4: heating and baking the semi-finished flexible composite film obtained in step 3 to obtain a finished flexible composite substrate film.

[0022] As can be seen from the foregoing description, the beneficial effects of the present invention are:

[0023] Due to the characteristics of high temperature resistance and wear resistance of nanomaterials and their two-dimensional sheet structure, the electrical aging...

Embodiment 1

[0041] Please refer to figure 1 , Embodiment 1 of the present invention is:

[0042] A method for preparing a flexible composite substrate film, comprising the following steps:

[0043] Step 1: Add the sheet-layer nanomaterials into an organic solvent and mix evenly to obtain the first mixed solution; Step 1 is specifically:

[0044] Adding the sheet-layer nanomaterials into an organic solvent for ultrasonic treatment to obtain a first mixed solution;

[0045] The mass ratio of the nanomaterial to the organic solvent is 0.2, and the time for ultrasonic treatment is 30 minutes.

[0046] Step 2: Add the first mixed solution obtained in step 1 into the polymer solution and mix evenly to obtain the second mixed solution; step 2 is specifically:

[0047] adding the first mixed solution obtained in step 1 into the polymer solution for ultrasonic treatment to obtain a second mixed solution;

[0048] The mass ratio of the first mixed solution to the polymer solution is 0.1, and th...

Embodiment 2

[0057] A method for preparing a flexible composite substrate film, comprising the following steps:

[0058] Step 1: Add the sheet-layer nanomaterials into an organic solvent and mix evenly to obtain the first mixed solution; Step 1 is specifically:

[0059] Adding the sheet-layer nanomaterials into an organic solvent for ultrasonic treatment to obtain a first mixed solution;

[0060] The mass ratio of the nanomaterial to the organic solvent is 1.1, and the time for ultrasonic treatment is 45 minutes.

[0061] Step 2: Add the first mixed solution obtained in step 1 into the polymer solution and mix evenly to obtain the second mixed solution; step 2 is specifically:

[0062] adding the first mixed solution obtained in step 1 into the polymer solution for ultrasonic treatment to obtain a second mixed solution;

[0063] The mass ratio of the first mixed solution to the polymer solution was 0.55, and the time for ultrasonic treatment was 60 min.

[0064] Step 3: Provide a carrie...

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Abstract

The invention relates to the technical field of a flexible panel, and especially relates to a preparation method of a flexible composite substrate film. Due to the characteristics of high temperatureresistance and wear resistance of a nano material and the two-dimensional lamellar structure characteristics, by adopting the nano material for doping, resistance to electrical aging and thermal stability of a polymer dielectric can be greatly improved; tortuosity of a permeation path of water and oxygen in the flexible composite substrate film is increased by utilizing the lamellar structure characteristics of the doping material, so that the water and oxygen barrier property of the flexible substrate is improved; and compared with other granular and tubular inorganic materials, the nano material with a lamellar structure improves flatness and smoothness of the surface of the flexible composite substrate film, and the substrate has good wear resistance and scratch resistance, thereby facilitating planarization of circuit wiring, and reducing the cases of short circuit and the like.

Description

technical field [0001] The invention relates to the technical field of flexible panels, in particular to a method for preparing a flexible composite substrate film. Background technique [0002] With the continuous development of display technology, flexible organic light-emitting diodes (Organic Light-Emitting Diode, referred to as OLED) are widely used in smart electronic devices, automotive displays due to their remarkable bendability, low energy consumption, and light weight. and various wearable devices. And with the continuous development of personal intelligent terminal technology and the continuous increase of people's demand, flexible OLED will eventually become the display technology with the most development potential. In addition to being closely related to the development of design and manufacturing technology, the realization of flexible display technology also plays an important role in the development and industrialization of various key materials for the re...

Claims

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Application Information

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IPC IPC(8): H01L21/02
CPCH01L21/02104H01L21/02225
Inventor 孙玉俊
Owner FUJIAN HUAJIACAI CO LTD