First, the ultra-fast LED light-emitting device <br> <br> Duke University researchers have recently developed a retractable 90 billion times in one second LED light-emitting device can be applied as a basis for optical computing technology .
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扒一扒: Nowadays, every day, you can’t leave your smartphone, you need to charge every day, but not many people know that a small battery has billions of transistors inside, and it can be used to open and close billions per second. The second electron is used to supply power. Recently, researchers at Duke University in the United States have developed an LED illuminating device that can open and close 90 billion times in one second, which can be used as the basis for the application of optical computing technology. Next, as long as researchers continue to work hard to develop a light source that can be quickly turned on and off, allowing the microchip to use photons instead of electrons to process and transmit data, the speed of the computer can be greatly improved. According to reports, although the laser can meet this requirement, it is not suitable for working inside the computer due to the problem of excessive energy consumption and excessive volume of the launching device. Now, the fast-lighting device developed by Duke University indicates that researchers are one step closer to making a light source suitable for optical computers. Although the revolution has not yet succeeded, it is a step closer to success, and it is really gratifying.
Second, phospholene-emitting material <br> <br> Australian National University scientists have recently discovered the luminescence characteristics of the study phosphorus thin, slim and lightweight for the expected solar (PV) cells and the light emitting diode The (LED) application turns on a line of light.
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扒一扒: Compared to the graphene that fired a while ago, the name "phosphorene" may be a bit strange. Compared with graphene, phosphoenene is a silicon-like semiconductor. As we all know, silicon is the foundation of current electronic technology. The phosphonene created by the team of scientists this time uses the same method as the discovery of graphene to win the Nobel Prize in Physics, which uses tape to re-peel the thinner crystal layer in the black crystalline form of phosphorus. According to the researchers, because the surface state of phosphoenene can be minimized, it is different from silicon in which the surface state is heavy and cannot be used in a thin state. Phosphenes perform better in silicon than in silicon. In addition to creating thinner semiconductors than silicon, phosphonene also has a luminescent structure and a laminate of varying thicknesses for more flexible manufacturing. Phosphorene is both light and thin, creating opportunities for many interesting devices, such as LEDs or solar cells, which exhibit very promising luminescent properties.
Third, can emit white light laser <br> <br> American scientists first developed a laser capable of emitting white light. Researchers say white lasers are brighter and more energy efficient than light-emitting diodes (LEDs) and will play an important role in lighting and wireless communications in the future.
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扒一扒: A wide range of lasers have been used in many fields, and there has always been a short board: only a single wavelength of light can be emitted. In order to solve this problem, a laser capable of emitting white light appeared. A research team at Arizona State University recently developed a novel nanosheet. This slender semiconductor is only one-fifth the size of the hair, and is only one-thousandth the thickness of the hair. It has three parallel parts, each of which emits a laser of one of red, blue and green. . When the three primary colors "meet", a white laser appears. This latest research has made laser replacement LED a mainstream light source and has taken a step forward. Another important application of the research, or will include the field of visible light communication (LiFi), looking to the future, indoor lighting systems or also for communication. The current "WiFi" is using radio waves, and the speed of LiFi can reach 10 times that of WiFi. However, Qianzhong has a strong middle hand, a mountain and a mountain high. It is said that the speed of white laser WiFi may be 10 to 100 times that of LED-based LiFi. Unfortunately, the application of this white-emitting laser to real-life lighting or display systems has significant obstacles to await. Still the sentence, "revolution..."
Fourth, the tintable graphene LED
Tsinghua University has recently produced a tunable graphene LED, which breaks through the color synthesis of existing display devices and is expected to revolutionize display screens, lighting fixtures and communication technologies.
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扒一扒: The above mentioned so many foreign scientific and technological researchers, domestic scientists are not fuel-efficient lamps. It is understood that the color and wavelength of the light-emitting diodes (LEDs) are determined by the luminescent material. Once the preparation is completed, the two properties are determined. At present, the idea of ​​using one LED to change the color of the light is difficult to achieve. Recently, Tsinghua University research team has produced new luminescent materials from two different forms of graphene. For the first time in graphene-based luminescence systems, it has been proved that only one LED can be used to adjust different colors of light. The color-coded graphene LED developed by this research team covers all the colors of the entire visible spectrum except dark blue and violet. It is also reported that this new type of LED breaks through the color synthesis of existing display devices and is expected to have a revolutionary impact on displays, lighting fixtures and communication technologies. Since the color of light varies with specific chemicals, such devices may also be used to make special sensors. It is no wonder that the experts highly praised this: "This work is expected to open up new research directions in the field of light-emitting devices." "This work is exciting and influential."
Fifth, the world's most powerful laser device <br> <br> Osaka University scientists said that "rapid ignition Laser (LFEX)" can be used to generate 20 million gigawatts of laser beam, the laser is now able to launch the world's strongest energy bundle.
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A glimpse: "Star Wars 7 · The Force Awakens" is about to make a comeback. Friends who are familiar with this series of sci-fi movies will be exposed to age. In any case, the "Star Wars fans" must also be impressed by the "Dead Star Weapons". Recently, the "Fast Ignition Laser (LFEX)" used by researchers at Osaka University in Japan has been able to generate a 2 mega-watt laser beam, which is said to be very similar to the "dead star weapon" laser beam in science fiction movies. The researchers made high-energy outputs from low-energy devices, emitting laser beams only through 1 picosecond (one trillionth of a second). In order to amplify the laser beam power, the energy will be applied to the glass panel of a 100 meter long LFEX device for step-by-step amplification. It is understood that the 50,000 watt laser beam can shoot down drones 1.6 kilometers away. Before that, only the 1 million megawatt laser was manufactured by the University of Texas, and the latest laser equipment from Osaka University in Japan was able to manufacture 2 megawatts of laser. The research team also said that laser equipment will be manufactured in the future. Wa laser. LFEX laser equipment is currently mainly scientific research value, and has not yet been put into practical use.
The off-grid inverter is an inverter used in off-grid solar power generation systems. Its main function is to convert the direct current generated by solar panels into alternating current to meet the power demand in off-grid environments, such as in remote areas, In camping, boats, or moving vehicles.
Main effect:
Converts the direct current generated by solar panels into alternating current to supply the power needs of homes, mobile devices, or other electrical appliances.
Off-grid inverters are usually equipped with battery energy storage systems, which store excess power so that they can continue to supply power when the solar panels cannot generate enough power.
Differences from On-Grid Inverter:
Connection method: Off-grid inverter is an inverter used in the off-grid system and does not need to be connected to the grid. They are often used in places where there is no access to the grid, such as remote areas, wild camping, or outlying islands.
Grid requirements: Unlike on-grid inverters, off-grid inverters do not need to meet grid requirements and standards because they are not connected to the grid. They can operate independently and can be adapted to different off-grid environments.
Self-sufficiency: The off-grid inverter is equipped with a battery energy storage system, which can store excess electricity so that it can continue to supply electricity when the solar panels are unable to generate electricity. This makes the off-grid system self-sufficient and not dependent on an external grid for power.
Application scenarios: Off-grid inverters are widely used in remote areas, camping, ships, mobile vehicles, and some special-purpose scenarios. On the other hand, grid-connected inverters are mainly used in home, commercial, and industrial photovoltaic power generation systems connected to the grid.
In general, the main function of the off-grid inverter is to convert the direct current generated by the solar panels into alternating current to meet the power demand in the off-grid environment and achieve self-sufficiency by being equipped with a battery energy storage system. In contrast, on-grid inverters connected to the grid are mainly used to integrate solar power into the grid, realize the interaction between solar power and the grid, and comply with the requirements and standards of the grid.
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