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Flexible substrate used in opto electronic device and preparation method thereof

A technology of optoelectronic devices and substrates, which is applied in the fields of electric solid-state devices, semiconductor/solid-state device manufacturing, photovoltaic power generation, etc., can solve the problems of poor bonding force between the conductive layer and the flexible substrate, poor surface flatness of the conductive layer, etc., and achieve high strength , improve the flatness, improve the effect of barrier ability

Inactive Publication Date: 2013-07-10
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The problem to be solved by the present invention is: how to provide a substrate for flexible optoelectronic devices and its preparation method. The conductivity of the layer and the barrier ability of the substrate to water and oxygen

Method used

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  • Flexible substrate used in opto electronic device and preparation method thereof
  • Flexible substrate used in opto electronic device and preparation method thereof
  • Flexible substrate used in opto electronic device and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] Such as figure 1 As shown in the substrate structure, the flexible substrate 1 adopts a free radical type ultraviolet light curing adhesive, and the free radical type ultraviolet light curing adhesive includes 93% of base resin, 3% of monomer, 3% of photoinitiator and 1% of Photosensitizer and auxiliary agent, conductive layer 2 adopts graphene film.

[0093] The preparation method is as follows:

[0094] ①Clean the copper foil with surface roughness less than 1nm, and dry it with dry nitrogen after cleaning;

[0095] ② The graphene film is prepared on a clean rigid substrate by chemical vapor deposition; the preparation conditions include: methane is used as the carbon source, and the chemical vapor deposition growth environment of the graphene film is: a room temperature of 700°C to 1000°C. pressure or negative pressure;

[0096] ③ will be prepared with graphene film on the copper foil spraying free radical type ultraviolet light curing adhesive, said free radical ...

Embodiment 2

[0101] Such as figure 1 As shown in the substrate structure, the flexible substrate 1 adopts a free radical type ultraviolet light curing adhesive, and the free radical type ultraviolet light curing adhesive includes 99.5% of base resin, 0.2% of monomer, 0.2% of photoinitiator and 0.1% of Photosensitizer and auxiliary agent, conductive layer 2 adopts graphene film.

[0102] The preparation method is similar to Example 1.

Embodiment 3

[0104] Such as figure 1 As shown in the substrate structure, the flexible substrate 1 adopts a free radical type ultraviolet light curing adhesive, and the free radical type ultraviolet light curing adhesive includes 90% of the base resin, 2% of the monomer, 2% of the photoinitiator and 6% of the Photosensitizer and auxiliary agent, conductive layer 2 adopts graphene film.

[0105] The preparation method is similar to Example 1.

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Abstract

The invention discloses a flexible substrate used in an opto electronic device. The substrate comprises a flexible substrate base and a conducting layer and is characterized in that the conducting layer is a graphite alkene film, the flexible substrate base is an ultraviolet light solidification adhesive, and the ultraviolet light solidification adhesive comprises a free radical type ultraviolet light solidification adhesive, a cationoid ultraviolet light solidification adhesive and their mixing system. According to the substrate, the problems that the surface roughness of the conducting layer is too large and the bonding force between the conducting layer and the flexible substrate base is small are solved, the bonding force between the conducting layer and the flexible substrate base and the obstruction capability of the substrate against water and oxygen are improved.

Description

technical field [0001] The invention relates to the technical field of organic optoelectronics, in particular to a substrate for a flexible optoelectronic device and a preparation method thereof. Background technique [0002] Optoelectronics technology is a rapidly developing industry with high technological content after microelectronics technology. With the rapid development of optoelectronic technology, optoelectronic products such as solar cells, optical image sensors, flat panel displays, and thin film transistors have gradually matured, and they have greatly improved people's lives. At the same time, the wide application of optoelectronic information technology in various fields of social life has also created a huge growing market. Developed countries regard the optoelectronic information industry as one of the key development areas, and the competition in the optoelectronic information field is unfolding worldwide. [0003] The wide application of organic materials...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/44H01L51/46C09J167/06C09J4/00H01L51/48
CPCY02E10/549
Inventor 于军胜陈苏杰于欣格蒋亚东
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA