A preparation method and a product of a fatigue-resistant flexible electronic device

A flexible electronic device, fatigue resistance technology, applied in piezoelectric devices/electrostrictive devices, piezoelectric/electrostrictive/magnetostrictive devices, electrical components, etc., can solve waste, poor fatigue performance, and devices cannot Long-term use and other issues, to achieve the effect of easy operation, ultimate elongation and fatigue resistance, and reduce stress concentration

Active Publication Date: 2019-01-18
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to poor fatigue performance, most devices cann

Method used

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  • A preparation method and a product of a fatigue-resistant flexible electronic device
  • A preparation method and a product of a fatigue-resistant flexible electronic device
  • A preparation method and a product of a fatigue-resistant flexible electronic device

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0056] The embodiment of the present invention provides a method for preparing a fatigue-resistant flexible electronic device, which includes the following steps: including the following steps:

[0057] S1: Describe the shape and structure of the electrode material on the auxiliary substrate to obtain the electrode patterned film structure;

[0058] S2: using a dissolution method or an etching method to construct a movable channel of electrode material around the electrode patterned film structure;

[0059] S3: Inject a flexible material into the movable channel, and wrap the entrance and exit of the movable channel to obtain a fatigue-resistant flexible electronic device.

Example Embodiment

[0060] Example 1

[0061] Such as figure 1 , Such as 4 and Figure 5 As shown, the specific steps are as follows:

[0062] The electrode material is adhered to the auxiliary substrate for heating and curing, and the organic soluble film is adhered to the target substrate for heating and curing. The electrode material and the organic soluble film can be patterned by laser, cutting, and photolithography. In order to obtain the required electrode shape and the shape of the organic soluble film, the auxiliary substrate for the electrode patterned film structure and the target substrate for the organic soluble film are obtained. Among them, metal electrodes are mostly designed in a serpentine shape, while polymer electrodes are mostly linear, and the shape of the organic soluble film matches the shape of the electrode patterned film structure.

[0063] Wet the electrode patterned film structure placed on the auxiliary substrate and press against the organic soluble film target substrate,...

Example Embodiment

[0066] Example 2

[0067] Such as figure 2 , Such as 6 and Figure 7 As shown, the specific steps are as follows:

[0068] By controlling the heating and curing time for forming the auxiliary substrate 2 and the flexible polymer of the target substrate 4 to make them have a certain viscosity, the electrode material 1 is adhered to the auxiliary substrate 2. Use laser, cutting or etching to process the electrode material 1 into a predetermined electrode patterned film structure, such as Image 6 As shown, an auxiliary substrate with an electrode patterned thin film structure is obtained.

[0069] Construct a movable channel structure: With the help of transfer technology, the electrode patterned film structure auxiliary substrate and the target substrate are pressed against each other. Since the electrode patterned film structure 5 and the auxiliary substrate 2 have a low viscosity, the electrode patterned film can be formed The structure 5 is transferred onto the target substrate 4...

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Abstract

The invention belongs to the technical field of flexible electronic devices, and particularly discloses a preparation method and a product of a fatigue-resistant flexible electronic device. The methodcomprises the following steps: S1, engraving the shape structure of the electrode material on the auxiliary substrate to obtain the electrode patterned film structure; S2, constructing a movable channel of an electrode material around that electrode patterned film structure; S3, injecting a flexible material into that movable channel, and packaging the inlet and outlet of the movable channel to obtain a fatigue-resistant flexible electronic device. The product comprises a flexible cladding layer, a movable channel arranged inside the flexible cladding layer, a flexible material filled in themovable channel and an electrode material arranged inside the movable channel. The invention provides the movable space of the flexible electrode when stretching by embedding a channel when packaging,reduces the constraint of the packaging layer, improves the tensile property and fatigue resistance of the flexible electronic device, and has long service life.

Description

technical field [0001] The invention belongs to the technical field of flexible electronic devices, and more specifically relates to a preparation method and products of fatigue-resistant flexible electronic devices. Background technique [0002] Flexible electronics can be summarized as an emerging electronic technology that manufactures organic / inorganic material electronic devices on flexible / ductile plastic or thin metal substrates. , medical, national defense and other fields have broad application prospects, such as flexible electronic displays, organic light-emitting diodes (OLEDs), printed RFID, thin-film solar panels, and electronic skin patches (Skin Patches). Like traditional IC technology, manufacturing process and equipment are also the main driving force for the development of flexible electronic technology. The technical level indicators of flexible electronics manufacturing include chip feature size and substrate area size. The key is how to manufacture flex...

Claims

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Application Information

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IPC IPC(8): B81B3/00B81C1/00
CPCB81B3/0035B81C1/00166
Inventor 吴志刚冷康敏吴康
Owner HUAZHONG UNIV OF SCI & TECH
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