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National cooling to open the "quick-frozen" mode technology innovation but hot LED industry
India's Ministry of Information and Communication (MeitY) is now working with the Indian Institute of Technology (ITT) and Philips in India to research LiFi technology, hoping to complement the fiber-optic network, using it in a fiber-free network but with a power-up area, and in hospitals. Or diving equipment. According to their research, within 1 km, the speed of LiFi can reach the winter, after several times of cooling, the autumn trousers are put on, the socks are elongated, and the southern friends are no longer noisy, but instead Started to collectively request heating. All this shows that winter has really come. The cooling is far from over, and a new wave of strong cold air is coming. However, this cold air does not seem to affect the enthusiasm of the LED industry, and the news of technological innovations that have been sent out successively makes this winter not too cold. Combining LED and IoT, LiFi or will be used in smart cities and information security. The Ministry of Information and Communication (MeitY) is now working with Indian Institute of Technology (ITT) and Philips in India to research LiFi technology, hoping to complement the fiber network. This technology is used in fiber-free networks but has areas that are energized and used in hospitals or diving equipment. According to their research, LiFi can reach 10GB per second in a range of 1 km. Neena Pahuja, managing director of the Network Education Research Department (ERNET) of the Ministry of Information and Communications, said that LiFi can be used in smart cities. These communication technologies will become India's main infrastructure, and they hope that these devices can be combined with the Internet of Things (IoT). LED bulb connection. A new breakthrough in LED heat sinks Li Kuanan, a senior engineer at China National Light Industry Association, introduced an innovative LED cooling technology with independent intellectual property rights. These companies are able to successfully eliminate all obstacles and use the wire form and fan forced way to dissipate heat and achieve good heat dissipation. The inventor Zhang Yixing pointed out that the design solves the heat dissipation problem and satisfies the requirements of high-efficiency, high-reliability and low-cost LED driving power supply, which fundamentally solves the two major problems of LED development. US developed a monolithic integrated tri-color LED that will include more color combinations. Indium-based gallium nitride (InGaN) multiple quantum well strain engineering, the University of Michigan has developed a monolithically integrated amber-green-blue LED. The strain engineering is achieved by etching nano-pillars of different diameters. Researchers hope to produce red-green-blue LEDs with 635nm photoluminescence quantum wells in the future, providing a viable method for microdisplays based on such pixel LEDs. Other potential applications include lighting, biosensors, and optogenetics. In addition to support from the National Science Foundation (NSF), Samsung also provides support for manufacturing and equipment design. Researchers hope to develop a chip-scale multi-color LED platform based on existing manufacturing infrastructure. UK's new LED pavements alert drivers and cyclists A new type of embedded LED light pavement was unveiled in London to help detect pedestrians and warn drivers and cyclists about the dangers on the road. The new road was developed by a company called Umbrellium for the insurance company Direct Line and embedded HD cameras and LEDs on the road. Two cameras on the road were able to record hundreds of variables and detect pedestrians or other road users within 22 meters of the intersection. Information can be sent from the camera to the computer, which reacts in less than a hundredth of a second to allow the LED to display a variety of colors and patterns. Roads use machine learning to predict pedestrian movements and create a crossroads for them. The road surface is made of high impact plastic that can be embedded in asphalt. According to the designer's requirements, the plastic surface can withstand a lot of traffic. The plastic surface of the road has more than 660 LED lights that can be programmed to change colors and patterns to provide pedestrian crossing warnings for cyclists or drivers. The prototype road is waterproof, can keep the weight of the vehicle and people, and can distinguish the difference between people, vehicles or bicycles. Researchers Successfully Develop Ultra-Pure Green LEDs Researchers at the Chemical Engineering Laboratory of the Federal Institute of Technology in Zurich recently invented an ultra-thin, flexible light-emitting diode (LED) that emits ultra-pure green light that researchers use. The fine tones show the three letters ETH. Professor Chih-Jen Shih, the head of the research team, is very satisfied with his research breakthrough: So far, no one has succeeded in producing pure green light like ours. Professor Shih pointed out that the research will help the next generation of ultra-high-resolution displays for televisions and smartphones. Electronic device screens must be capable of producing ultra-pure red, blue, and green light to allow the display to produce sharper, richer detail and finer color range adjustment images. Previous technical research has already achieved the purity production of red and blue light. However, solid color green light seems to encounter technical bottlenecks, and it is difficult to achieve technological breakthroughs. The main reason is that it is limited by vision. Compared to red and blue light, it is difficult for the naked eye to distinguish the change in green color, which makes ultra-pure green very complicated in technical production. New lighting achievements! New carbon nanotube yarn stretches to light the LED. Simply put, you take a yarn and stretch it to generate electricity. Sew them into the top, no external power supply is required, and people can generate electrical signals when they breathe normally. Dr. Carter Haynes, a researcher at the University of Texas at Dallas, said in an interview with a Sino-foreign cooperative research project published in the journal Science. The yarn, called Twistron, is spun from a number of carbon nanotubes, and the diameter of a single carbon nanotube is 10,000 times smaller than the diameter of a human hair. In order to make the yarn highly elastic, researchers have continuously increased the twist to form a spring-like structure.