Optical fax technology is said to be the savior of LEDs to get online?

At the end of September 2012, European innovation and technology institutions led 13 start-up technology industries with strong development potential, and traveled to Silicon Valley, Boston and other places in the United States to make a tour, including pure Li-Fi (invented by PureVLC). Light Fidelity (Light Fax) technology is not only referred to as the next-generation Wi-Fi network, but also shows the savior of the LED industry.

The inventor of Li-Fi is Dr. Harald Haas of the University of Edinburgh, who specializes in the innovative application of a large number of objects, taking Li-Fi as an example, based on 14 billion lamps worldwide, using chips to control LED light sources. Data is transmitted at a frequency of one million switching sources per second.

With the proliferation of mobile data traffic around the world, the emergence of Li-Fi based on the wave band of radio wave transmission is likely to solve the urgent needs of global telecom operators. The US Cable Network (CNN) further estimates that if the 14 billion lamps in the world are completely replaced by LED bulbs, it will not only be of great significance to the promotion of the LED industry, but also transform the streetlight into a hotspot that can provide wireless networks, and remove the high power consumption and space. Base stations also contribute a lot to environmental protection.

Intel is also actively researching and developing

Haas and purely visible light communication are not the only pioneers in the development of spectrum to replace the spectrum of radio waves. According to the technology authoritative magazine Wired, in recent years, Japanese and American manufacturers have announced that they have developed submarine communication equipment. Mass production products, and major international companies such as Casio, Intel, Samsung, and Boing have launched more extensive R&D programs.

Intel assumes that this technology will be applied to intelligent transportation systems, such as: Li-Fi devices are equipped with cars and traffic signs to improve driving safety; in addition, there are many Germans specializing in optical technology. Companies in Norway, Israel and the United States have jointly established the Li-Fi Consortium, a multinational platform, to accelerate the pace of research and development.

Scholar criticism is unrealistic

There are some people who are arrogant, but many scholars have criticized that "there is light to communicate on the Internet" is just an unrealistic dream, because when the light is blocked by objects, or the mobile phone and the computer itself are not equipped with LED light source transmission function, There is nothing to be done.

In response to these criticisms, Haas accepted CNN's interview and argued: "The purpose of developing Li-Fi is not to replace Wi-Fi, but to complement each other and share the amount of transmission; as for the shortcomings of communication when the light cannot penetrate, sometimes it can be Protect the security of signal transmission."


(This article is reproduced on the Internet. The texts and opinions expressed in this article have not been confirmed by this site, nor do they represent the position of Gaogong LED. Readers need to verify the relevant content by themselves.)

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