Printed electronic technology helps to open the era of "paper networking"

Computers, mobile phones, cars, televisions, refrigerators, washing machines, etc., etc., more and more electronic devices are equipped with functions that can be networked and operated intelligently. Now, even glass and paper can be networked!

Ericsson demonstrated glass networking at MWC in 2013, and at CES and MWC in 2014, Ericsson demonstrated paper networking. Connected paper can determine the unique identity based on printed electronics and use the human body as a line to connect to a connected smartphone .

In the live demonstration of the Paper Network, visitors touch the beverage cup with one hand and the “human body interconnection” sensor device connected to the tablet computer with one hand. The beverage composition, calorie value, beverage transportation method and transportation distance are intuitively visible.

According to reports, paper networking makes it easier for us to obtain information on all kinds of things. Any printed product can be identified as a user by touch. After recognition, I can process it and get the corresponding information, such as whether a drink is good for health. Is it good for health? How is this drink produced? How about quality? How is it transported? How long did it travel? These contents can be obtained through the interconnection of information in the paper.

In addition to being used for beverage packaging, obtaining food safety and nutrition and other related information, the paper network can also be used for the packaging of any item to display content related to the objects in the package.

The principle of paper networking is actually not difficult to understand. The printing contains identification information, such as media information. Touch it, you can get the identification information, and convert it into a variety of video, text and other forms, displayed on mobile phones and other terminals.

In the future, paper will also be part of the connected world, and will be digital and digital, not just a common piece of printing paper, the paper itself will also be part of the network.

It is understood that behind "paper networking", there are two key technologies: One is Printed Electronics (printed electronics technology), which refers to the manufacture of electronic devices by printing on the surface of various objects, and the so-called printing method , Refers to printing in the traditional sense, including lithography, inkjet printing and screen printing. At the end of the last century, scientists in the United States and Japan discovered that polymer materials doped with iodine can conduct electricity, and in 2000 won the Nobel Prize, which opened the door to printed electronics.

Printed electronics technology is suitable for those application scenarios with wide spread, low cost and low performance requirements. Currently, things that can be printed include antennas, sensors, batteries, solar cell modules, simple displays, diodes, storage, and a small number of transistors. Although the current transmission capability cannot be compared with traditional communication methods, it can already carry hundreds of bits of transmission and some simple sensor processing.

The second is Connected Me ("I am the network" human body interconnection technology), the concept of human body communication, capable of demonstrating capacitive coupling technology and touch transmission at speeds up to 10Mbps. The human body is equivalent to a circuit with both resistance and capacitance. Through capacitive coupling, we can use the human body as a network cable to transmit data to or receive data from mobile devices.

From the Internet to the mobile Internet, from the Internet of Vehicles to the Internet of Paper, we have reason to believe that now any unremarkable ordinary device like paper can be connected to the Internet and can be intelligently controlled like a smartphone. Function. To be sure, although the concepts of the Internet of Things, network society, and mobile 2.0 are expressed differently, they all point to a vision, that is, the Internet of Everything, and this vision is actually not very far away from us.

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