The development of science and technology is a thousand miles, and there is no end to innovation and application. Visible light communication has been expected for so long, and finally it is a bit new, it is said that this time the real-time communication rate is increased to 50Gbps (bits per second); the green light material's light-emitting spectrum is converted to blue light, breaking the organic blue light-emitting material life is too short The bottleneck has also broken through a major bottleneck in the development of O
LED ; can the
LED lamp also relieve pain? It sounds incredible, but it has a scientific basis, how does it block the pain from passing to the brain? ...... Today, Zhiku Jun has summarized some new technological achievements and applications of recent
LED lighting development for everyone.
1 visible light communication: 0.2 seconds on the next HD movie
God said that there must be light, so that human beings can connect to the Internet. Visible light communication has been expected for so long, and finally it is a bit new. A few days ago, it was reported that China’s “Key Technology Research of Visible Light Communication System†lived up to expectations and achieved major breakthroughs, and it was tested and certified by the Ministry of Industry and Information Technology. It is said that this time the real-time communication rate is increased to 50Gbps (bits per second), what is the concept? It is equivalent to downloading a high-definition movie in 0.2 seconds, with an average of 5 in 1 second and 300 in one minute. This speed can't be seen, it is definitely the 21st century gospel of the house man. Of course, such a sophisticated technology can't be used in such a big way. In addition to green and low-carbon, visible light communication technology can achieve near-zero energy-consuming communication, and can effectively avoid weaknesses such as radio communication electromagnetic signal leakage, and can quickly construct a safety information space for anti-interference and anti-interception.
According to experts in the field of information in China, at present, there are about 44 billion lamps and lanterns in the world, and tens of billions of
LED lighting equipment and other equipment will form a huge visible light communication network. After the conceivable future large-scale visible light communication, each lamp can be used as a high-speed network hot spot, then, standing under the
street light speed in seconds to download the movie has not a thing, on the plane, it can draw high-speed rail
led light Wireless high-speed Internet access, fully meet the wireless communication needs of indoor network, Internet of Things, Internet of Vehicles, Industry 4.0, secure payment, smart city, defense communications, weaponry, electromagnetic sensitive areas, etc., will provide a new and cheap Internet + Access method. As one of the next-generation wireless communication technologies with broad application prospects, it is expected to form a strategic emerging industry with a trillion-year output value. Really think about it is a little excited.
2 emit blue light with green light material
White light is known as the "star of tomorrow" for lighting technology. The O
led luminescent layer is mainly composed of red fluorescent material, green light material and blue phosphor material mixed into white light. Although the US Department of Energy predicts that the cost, efficiency and longevity indicators of OLED lighting will be inconsistent with LEDs by 2020, the industry is currently facing the dilemma of short-lived organic light-emitting blue phosphorous materials. Due to the above-mentioned three-color material mixed with white light, as long as one of the lifetimes is attenuated, the entire OLED will be ineffective. Therefore, the life span of the three materials has become a key issue that the industry needs to solve urgently. This developed by Taiwan's Industrial Technology Research Institute "O
led the gain coupled plasma
surface technology", on the success of the green light-emitting material is converted to blue light spectrum, broke through the bottleneck of organic blue light-emitting material is too short life.
According to reports, the solution of the "Blu-ray" of the Taiwan Institute of Technology is to use the technology to make the green light material a source of blue light, and to develop the OLED surface plasma coupling gain technology PCOLED. White light OLEDs use green light materials to replace the traditional blue light material layer, which not only solves the problem of short life, but also extends 20 times more than traditional OLEDs. In terms of efficiency, through continuous research and development and component optimization, DML blue light emission efficiency can exceed the level of existing blue fluorescent materials and most known blue phosphorescent materials, reaching 35cd/A. OLED DML white light technology has been proven to emit white light with a color rendering (CRI) of 77 and a color temperature of 2039 K, which can be applied to indoor lighting. Moreover, ITRI has successfully illuminated a large white light module of 10 cm x 10 cm.
3LED lamp implanted in the body "pain relief"
LED lights can also relieve pain? It sounds incredible, but it has a scientific basis. A few days ago, according to a study published in a foreign authoritative biotechnology publication, American scientists have developed a flexible, implantable device that can drive the pain signals in the body and the spine, so that the pain can be transmitted to the brain. unit. The ultimate goal of the researchers is to use this technology to treat pain in specific areas, using a concept like "switch" to block the pain signal before it is transmitted to the brain. That is, the implanted device is used in different parts of the human body to provide an alternative method for pain that cannot be effectively treated - blocking pain transmission to the brain.
It is understood that in previous studies, such devices had to be implanted and fixed on bones, and this new device, because it is soft and malleable, can be implanted in the active part of the body and can be fixed with surgical sutures. a place. As with the previous device, this extensible device is equipped with a miniature LED that can drive specific nerve cells. The researchers of the project said that they hope to use this implant device in the future to pass on the pain signal and block the pain that the general therapy can't solve, thus benefiting humanity.
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