WIFI "LIFI LED light can surf the Internet

Last week, the most high-profile high-end industry trends, rather than Dongguan and Tsinghua University signed a series of cooperation. The KingSun signed with Tsinghua University LED wireless optical communication project, a new term will be thrown into the public. What is optical communication? Dongguan LED industry will have what kind of impact?

LIFI instead of WIFI

Want to go online, want bright. Such a life may not be far away from us, but what is the relationship between the Internet and light? This is the need to address the content of optical communications, LED as a core of the lighting, lighting and transmission in the design space.

"LED wireless optical communication is the transmission of data through the LED lighting, transmits the location information containing position signal, solve the problem of the spread spectrum wireless communication to communication and positioning services in the area of microwave transmission limited. KingSun responsible person said, "it is through the LED emitting light instead of WIFI to achieve data transmission, video image. "

HaraldHaas, a professor at University of Edinburgh in the United Kingdom, in more than a year of TED global open class, the use of a LED table lamp to send a video of the flowers bloom, the world to show the possibility of visible light transmission. The traditional use of radio waves to transmit data, HaraldHaas compared to the visible light spectrum, in the transmission of data can be used in the range of radio waves ten thousand times.

So how can we apply this part of the visible light to the transmission? The answer is LED, HaraldHaas introduction, because LED than ordinary incandescent lamp, fluorescent lamp, has a more sensitive characteristics, can adjust the brightness of high speed. He further introduced in the open class, the remote control application of the infrared in the transmission of simple, low speed data flow, 100 thousand data transmission per second, which is not enough for the internet.

What he has done is to develop a new technology that uses visible light to transmit a much larger flow of data, such as the video he shows, which has only a very slight effect on the brightness of a desk lamp. Let the optical transmission has become possible LIFI. Imagine, all put on the LED street lamp, home use LED more and more, in addition to energy-saving lighting in addition to this, but also allow people to enjoy the information service in the light of Dongguan.

Tsinghua R & D in Dongguan industrialization

Visible light communication using the LED chip, it should be the same as the pure lighting of the chip is not the same, the need for re design and modification. "Deep Wright photoelectric deputy general manager Shi Guangdian expects the new demands of the new situation and the market may also bring visible light communication LED.

In fact, such a mode of communication, as early as 2000, when the Japanese scientists have been analyzed and studied. But according to the Chinese Semiconductor Industry Association branch chairman, IC of Institute of microelectronics Tsinghua University director Wei Shaojun introduction, this project belongs to a new field in the world, China is also developing stage from industrialization and time, on the other hand, there are many hills for occupation.

This project used in the municipal industry, LED optical communication products can be used for traffic control, positioning; in the automotive industry, LED optical communication products can be used in car car lights between auxiliary communication, vehicle collision avoidance, driving; in the communications industry, LIFI can be used instead of WIFI wireless communication and so on.

KingSun responsible person said, "LED wireless optical communication technology will greatly enhance the added value of LED lighting industry. Conservative estimates, each industry will pull at least billions of dollars in the market. "The ground and Tsinghua has carried out technical research and development and research cooperation LED visible light positioning system and communication system, and to form a joint body to declare a special fund of cooperative projects in Guangdong Province in 2013.

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Eccentric, LED or a new world

At the beginning of the month in Shenzhen abolished LED industry planning, the move to the original LED lighting industry overcapacity, it is a bad news. Dongguan at this time not only adhere to the LED industry, but KingSun signed with Tsinghua University "to further carry out research cooperation in the field of optical communication industry that does not lose the memo", is a new measure by way of the battlefield.

"LED chip technology is mastered by foreign countries, so many domestic LED manufacturing industry, just a simple reproduction, packaging, low level repetitive labor profit is very low. "Wei Shaojun believes that the research team and entrepreneurs are looking for differences in brain development," the way, or a new world. "

Optical communication will be a new field of LED chip. Wei Shaojun learned that the country has the ability and practice of the optical communication mechanism is not much. The ground and Tsinghua University cooperation technology research, product development and many consensus, strive to become the field of optical communication industry base 973 Plan, 863 plan national science and technology projects. However, any new technology has the development of risk, such as poor industrialization results, such as the photovoltaic industry as a result of the rush around the country, resulting in the end of support, overcapacity. Wei Shaojun believes that the LED optical communication must also prevent Dongguan in like a swarm of bees, but this industry has just at the initiation of the see the prospect of it, and build the research framework to do research, this point of view: "Dongguan have a good eye. "