LED industry, "price war" is becoming increasingly fierce, how to find a way out of business? This forces us to do some technical thinking. Summary of 12 kinds of new LED technology and application to see which is your food?
Can be completely covered with the visible wavelength "standard LED"
Japan Industrial Technology Research Institute announced that with the Nichia Chemical Industry jointly developed to cover the entire visible light range of LED light source. The two agencies use a plurality of LED elements with different center wavelengths and a variety of fluorescent materials to develop a light source with sufficient light intensity over the entire visible range (380nm ~ 720nm). Since this light source can be used as a standard light source for evaluating solid element lighting fixtures, the results of this development are named "standard LEDs". It was revealed that there was no standard light source that could be used for high-precision spectroscopic measurements of solid element lighting fixtures and covered the entire visible range.
In view of the use of the "standard LED" at the LED manufacturing and development site, high-precision characterization of solid element lighting fixtures can be made and is expected to contribute to accelerating product development and improving performance. In this regard, Nichia Chemical Industry said that since then will promote the "standard LED" production ready. Japan Industrial Research Institute, said it will further improve the "standard LED" in the development of the spectrum of precision measurement technology used to study the development of surface light source and ultraviolet light and infrared light range of light source evaluation technology.
Single layered columnar LEDs produce a single pixel white light
Production of white LED, not using white phosphor (phosphor) coating coated on the monochrome LED, is the red, green and blue LED mixed together? Researchers at the University of Taiwan do not think that they are developing a technology that produces a single pixel (pix) of white light from a single tiered-column LED. The basic concept is that quantumwells are embedded in gallium nitride (GaN) and indium gallium nitride (In GaN) nano-rods grown on the same substrate.
According to the researchers, those LED arrays are based on organometallic chemical vapor deposition (MOCVD) pulse growth method, can achieve better than the use of traditional process technology luminescence performance. They have grown in multi-section nanocolumns with different cross-sectional sizes to develop a wider range of emission spectra compared to single nanocolumns, Exempt white light from the phosphor. At the same time, the research team is also developing the surface plasma to enhance the luminous, improve efficiency and avoid the damping effect (droopeffect), and by increasing the bandwidth of the transmission of visible high-speed communication.
Newly designed polymer OLED lighting products
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UV LED technology solar charging water purification device
Lund University Water Resources Engineering Professor Kenneth? "At present, 750 million people worldwide are unable to obtain clean water and provide a huge challenge for safe drinking water and one of the most important goals of mankind." In view of this, he was co-founded with an engineer in 2013 Of the environmental company Watersprint, and developed a use of solar charging and UV LED technology, water purification equipment, the equipment provided by the clean water far more than the smart grid can cover the area.
It is understood that the technology is through UV LED technology and intelligent software and Wi-Fi combination to purify water quality. The 12 volt system is very effective and can be run in a single solar panel. Solar cells can also be self-charging, so the portable device can also be used in rural areas without electricity. This compact and portable solar cell station has been housed in rural areas of Bangladesh. Last year in October has installed the first water purification device, there are nine water purification equipment has been delivered to the Bangladesh project.
Apple VR head or will use micro LED display
Last May, Apple acquired the mini-LED display technology industry leader in the LuxVue company, the outside world generally believe that LuxVue will achieve a breakthrough in the display technology. Apple will be how to use this technology has become a topic of public relish, but the current position is no clue. Apple has announced that the 2017 iPhone mobile phone screen supply chain will be replaced by OLED, AppleWatch screen also changed to the use of OLED. Micro LED display in the Apple Empire's territory where, no doubt even more complicated and confusing.
It is speculated that the micro-LED technology is likely to be used for "direct-type display", including applications in the field of enhanced reality and virtual reality, such as head show. EXALOS CEO said that for the next generation of display, micro-LED will be to improve the performance and brightness of the key components. LED micro-display is ideal for use is to wear systems, because the LED mini-display has a small footprint, low energy consumption, high contrast and high brightness characteristics. Although the current advanced technology into the fans, but in the near future, will appear in a consumer version and professional version of the product.
Ski suit with 7,000 Philips LED decorative lights
In a recent video, a team of skiers dressed in 7,000 LED lights decorated clothing, from the color spotlight under the slope of the slide, it was directed, this is the high-tech lighting to the gorgeous skiing. It is reported that this 12-minute micro-film shot in British Columbia and Alaska Golden Alps resort. In order to illuminate the entire huge mountain slope, the staff used eight 4000-watt headlamps and other small lights. Using unmanned aerial vehicles and fixed camera photographed the skiers slide down from the scene.
In fact, this is a micro-film to promote Philips Ambilight TV. Among them, each piece of golf shoes on the ski dress are sewn thousands of LED lights, this fabric is waterproof material and connect the candy-sized battery. The film's film took five weeks, costing £ 9,000, at minus 15 degrees Fahrenheit. Although the cost is not small, but Philips hopes in this way to promote its overflow color stream TV lighting technology superiority, and to show the world how to completely change the human experience.
Silicon Substrate Project won the National Technology Invention Award
It is understood that the current international LED lighting technology line a total of three: sapphire substrate, silicon carbide substrate and silicon substrate gallium nitride-based LED technology ("silicon substrate LED technology") line. The first two routes are called the industry's mainstream technical route and the "nobility" route, the core invention patents were Japan, the United States monopoly. Silicon substrate LED technology is the meaning of the birth of a new path, so that China has the third international LED lighting technology line to a new light source of the posture breakthrough barriers to get rid of patent disputes.
Preparation of high light efficiency on the silicon gan-based LED, has always been the goal of academic efforts. However, due to silicon and gan huge lattice mismatch and thermal mismatch caused by the epitaxial film cracking, poor crystal quality, and substrate opacity caused by low efficiency of light and other issues have long been resolved, the silicon substrate gan-based LED route Almost sentenced to "death". In fact, as early as 30 years ago, the United States IBM in the development of silicon substrate LED technology, but "halfway" announced to give up. Chinese researchers are in this situation to the technology "pick up". After thousands of experiments, continuous technical research, since 2003, the R & D team has finally made a breakthrough, thus developing a silicon substrate gallium nitride-based LED materials and device technology.
American Museum of Art installs transformational lighting fixtures
In 2016, American tourists will soon be able to visit the Brandy River Museum in the new lighting device. According to reports, in order to enhance the visitors experience, the museum's all six pavilions will be installed on the new energy-saving LED lighting tracking lighting system. Lighting is a key factor in creating a pavilion atmosphere in welcoming and delivering the best viewing of artwork. The new LED lighting system will help to improve the flexibility of the different works of art in the exhibitions of the Brandy River Museum, including the classic paintings by the Wise artist family and the American painter Winslow Holmes Slim paper works.
It is said that the new LED lighting system can significantly improve the brightness of light, and even let visitors like the first time to see these paintings. With the LED lights to provide better color reproduction, visitors can really appreciate the subtleties of each art and color range. In addition, this lamp also helps to significantly reduce energy consumption, can help the museum to reduce carbon emissions. The entire lighting project work from January 4 to mid-March this year. This transformative project is funded by CrystalTrust. With this subsidy, the museum will also create a new voice navigation system.
Chinese students design LED lights two - way lane model
Recently, by a Huizhou high school students invented to create LED lights two-way lane model, by virtue of creativity as the school science and technology festival star. In this design, the use of a few LED lights instead of double yellow line to distinguish between the two sides of the opposite direction of travel, making the peak period can be free to control the width of both sides of the reverse road, so as to make full use of road resources. The model has a total of six lanes, the middle two lanes with three LED lights separate. Under normal circumstances, the middle of the LED light source to open, two-way each three lanes. During the peak period, the reverse lane lane becomes part of the positive crowded lane by widening the crowded road by increasing the load capacity of the forward lane.
According to reports, the lane, the first lane on the side of the lantern lights up, through the signs to remind the driver as soon as possible, will be close to the original double yellow line of the road empty, after a period of time, the original center of the light Close, let the crowded road vehicle lane into the empty lane. The school general technical teacher said that the students with very little cost of transformation to replace the huge amount of capital investment, to achieve road widening and re-planning to ease the peak of the road congestion problem. And praised the design is very creative, theoretically feasible.
Plant plant cantaloupe yield up to 8 times the greenhouse
Changhua University, Department of Molecular Biotechnology, teachers and students, research and development plant plants to LED light source technology with environmental temperature control, try to grow all kinds of vegetables and fruits. And recently announced the results: the plant plant cultivation of melon, tomato and other crops, which planted out of the melon juicy and sweet and high yield of up to 8 times the greenhouse planting. Da Ye University President said that the future hope to transfer technology to farmers, to create new agriculture, while the school also for each crop growth characteristics of research and development, and LED as a light source, cost savings.
Associate Professor, Department of Molecular Bioscience and Biology, said that the cantaloupe is traditionally cultivated in the form of open-air or greenhouse, although skilled, but not affected by the weather can not be produced throughout the year, with more melon pests and diseases, good quality, more pesticide residues Problem, so try planting with plant plant. The use of LED light source technology with environmental temperature control, out of the cantaloupe not only completely without pesticides, each average weight can reach more than 2 kg, sugar 16 degrees or more, one can keep three fruits, plant life can reach 1 year, Can be harvested 5 consecutive.
Intelligent ceiling fan support for Apple HomeKit protocol
Recently, HunterFan company in the CES launched two smart ceiling fans, in addition to control through the smart phone, but also support Apple's HomeKit protocol. These two intelligent doors, which are named Symphony and Signal, respectively, support Wi-Fi connectivity and HomeKit platform, through the Sir Sir voice assistant voice control. In addition to App remote control, but also through the HomeKit geographical fence or scene
In addition, these two products can also be supported with other HomeKit platform intelligent home products integration, including thermostats, including intelligent home complete control platform. For example, when the smoke detector detects the smoke, the ceiling fan will automatically start to help air circulation, and activate the built-in LED lighting system. It is reported that Symphony and Signal are 54 inches in diameter, built-in high-quality motor and LED lighting.
Both with an alarm clock and a smart "pad"
This is a practical and interesting invention of the application, called Ruggie's "alarm clock pad", when the foot pedal pad, the mat on the light will be lit up as a night light to use, and show the current time. After 20 seconds, the light will turn off automatically. With this feature, at night when the toilet on the foot pad, you can provide a weak lighting. At the same time, for most people worry about the bed, the mat will be issued a cry, only really sit up, and feet on the mat on the foot three seconds to stop.
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