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2020-09-05

With the development of flexible electronic technology, various electronic products have emerged. Just as microelectronics technology provides a technology platform for large-scale integrated circuits and computer chip technology, flexible electronics technology provides a brand-new technology platform for the development of new products. Flexible electronic products are currently in the initial stage of research and development, and some products have been put on the market. Judging from the current R&D trend, flexible electronic technology has a wide range of applications in the following three aspects.

1. Flexible Electronic Display

Flexible electronic display (flexible electronic display) is a brand new product developed on a flexible electronic technology platform. Unlike traditional flat panel displays, this type of display can be repeatedly bent and folded, thus bringing great convenience to our lives.

For example, all visual materials, including various books, newspapers, magazines, and video files, can be presented through this display and can be viewed anytime, anywhere. Although MP4 players and personal digital assistants (PDAs) can also meet such use needs, their display screens cannot be bent or folded, and these texts and videos can only be read and viewed within a small screen area. , The visual effect is greatly restricted. In comparison, a flexible electronic display has unparalleled advantages. It is like a newspaper. It can be unfolded when needed, rolled or even folded after use, and it is easy to carry while taking into account the visual effects.

It is worth mentioning that flexible electronic displays use more lightweight organic materials instead of inorganic materials, so their weight is lighter than traditional displays. This feature is conducive to improving their portability. In addition, the use of high-molecular organic materials provides the possibility to reduce costs. In addition, the flexible electronic display has the characteristics of thin thickness, and its thickness can be much smaller than that of the currently popular liquid crystal display. Therefore, another name for the flexible electronic display is paper-like electronic display.

2. Thin film solar panels

Thin film solar cell is another specific application of flexible electronic technology. In today's world, energy has become a topic of global concern, and my country is not only facing energy shortages, but also environmental pollution. As a kind of clean energy, solar energy can effectively alleviate the contradiction of energy shortage under the premise of zero environmental pollution.

As the most common way to use solar energy, solar panels can cover a large area at the lowest cost to effectively use solar energy. Currently, amorphous silicon thin film solar panels have been successfully developed and sold in the market.

Thin-film solar panels based on flexible electronic technology can meet the needs of high-power power generation. For example, such thin-film solar panels can be used in solar power plants in sunny desert areas.

In addition, you can also make full use of its flexibility and lightness to integrate it on clothes. Wearing this kind of clothes to walk or exercise in the sun, the power of small electrical appliances (such as MP3 players and notebook computers) that you carry with you can be supplied by the thin-film solar panels on the clothes, so as to achieve the purpose of saving and environmental protection.

3. Application background of flexible electronics in the field of RFID

Radio frequency identification (RFID) technology is widely used in fields such as production, logistics, transportation, medical treatment, food and anti-counterfeiting because of its characteristics such as information input and processing without manual contact, fast and convenient operation, and rapid development. Radio frequency identification systems usually consist of transponders and readers.

The electronic tag is one of the many forms of transponders, and can be understood as a transponder with a thin-film structure, which is convenient to use, small in size, light and thin, and can be embedded in products. The future radio frequency identification system will use more and more electronic tags.

The structural form of the electronic label is developing towards light, thin, small and soft. In this regard, flexible electronic devices have incomparable advantages over other materials. Therefore, the future development of RFID system electronic tags is likely to be combined with flexible electronic manufacturing, making the use of RFID electronic tags more widespread and convenient. In addition, it can reduce costs to a large extent and bring higher benefits. This is also one of the future development directions of flexible electronics manufacturing.

Making low-cost flexible electronic tags has two meanings. On the one hand, it is a useful attempt to make flexible electronic devices. Electronic circuits and electronic devices are developing in the direction of "light, thin, small, and soft", and the development of flexible electronic circuits and electronic devices is more eye-catching.

For example, the flexible circuit board that can now be produced is a circuit that contains delicate wires and is made of thin, flexible polymer films. It can be applied to surface mount technology and can be bent into countless desired shapes.

The flexible circuit using SMT technology is very thin and lightweight, with an insulation thickness of less than 25 microns. This flexible circuit can be bent arbitrarily and can be placed in a cylinder after bending to make full use of the three-dimensional volume.

It breaks the traditional mindset of inherent use area, thereby forming the ability to make full use of the volume shape, which can greatly increase the effective use density on the current method, and form a high-density assembly form. It conforms to the development trend of "flexibility" of electronic products.

On the other hand, it can accelerate the process of recognition and development of radio frequency identification technology in our country. In the radio frequency identification system, the transponder is the key technology. Electronic tags are one of the many forms of RFID transponders, and flexible electronic tags are more suitable for more occasions. The reduction of the cost of electronic tags will vigorously promote the wide application of radio frequency identification technology.

4. Electronic skin

Another important application of flexible electronic technology is electronic skin. Electronic skin is also called skin-like electronics. Its basic feature is to integrate various electronic components on a flexible substrate to form a skin-like circuit board. It has high flexibility and elasticity like skin and can be used for many other electrical equipment.

For example, electronic skin can be widely used in robotics technology: electronic skin integrates various sensors and electrical conductors, converts external forces or heat conditions into electrical signals and transmits them to the robot’s computer for signal processing. Called sensitive skin.

The two most basic characteristics of electronic skin can be summarized as follows:

(1) It has flexibility and elasticity like human skin so that the robot can act as agile and agile like a real person.

(2) Sensors are distributed on the electronic skin so that the robot can keenly feel the changes in the external environment.

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Building 45, Hengkeng Industrial Zone, Genzhuyuan Community, Matian Street, Guangming District, Shenzhen, China

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SunzonTech is a leading SMT (surface mount technology) machine supplier and SMT machine manufacturers in China. We have 17 years experienced in SMT machine design, R&D, manufacture and export.

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