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Replace the LED? Read the path of the laser lighting

Time:2017-07-29 Views:262
On the morning of December 13, a "shenzhen zhongguang industrial technology research institute and zhongcun laser lighting laboratory" was officially inaugurated. It is understood that the lab is in the construction of international science and technology, and industry innovation center in shenzhen, 10 Nobel Prize scientists actively planning and construction of the laboratory and the ten basic research institutions, constantly promote original innovation ability, in the process of the birth of the second major innovation platform led by Nobel Prize winner. 
 
Zhongcun xiuii has established a laser lighting laboratory in shenzhen, China 
 
Nakamura to fix two is who, maybe small make up does not need to introduce to the personage inside course of study to do more, though the early in October 2014 for invention "efficient blue light emitting diode (LED)" won the Nobel Prize in physics "father" of blu-ray, depend on the LED and a night, but he has repeatedly mentioned in public the advantages of laser light, and said on laser illumination in the future, even used to make predictions, bold claim that LED lighting in the next decade will be replaced by laser illumination. In the opening ceremony of the day, on the ground of the village to fix two and again showed that laser technology will be an important development trend of future display industry, blue LED represents the laser lighting the future. 
 
According to the introduction, the laser lighting technology is the world class, disruptive new generation of lighting technology, the impact and drive industry is expected to scale up to a trillion. Sounds like a whole new field of tech tips and moneymaking. What is laser lighting? The original laser light is divided into visible light laser illumination, infrared laser lighting. 
 
Visible light laser lighting is divided into two types: blue light activated phosphor powder to realize white light (such as the laser car headlight of a BMW in 2014); Red and green blue laser synthesizes white laser or true color lighting (such as the laser light of the central branch of Qingdao). Infrared laser lighting is applied to night vision and night cameras to monitor lighting. 
 
The laser light source is based on the semi-polar GaN laser diode and combines advanced fluorescent powder technology. Due to the laser focus on phosphor emission light translates into a tiny point on the white light, the light source can output the safe and highly collimating light, coupled with the use of tiny optical lens and reflectors, excellent control light to achieve better lighting effect. Compared with blue-ray LED, there is no problem with the light effect of the laser. In lighting, laser illumination can achieve very high efficiency. This is also the important reason why zhongcun has made a lot of comments on the future of laser lighting. 
 
LD laser and LED light, in fact, from the point of view of excitation source not big difference, YAG laser is a more by laser radiation, the LED is added a fluorescence after semiconductor exciting light conversion, the main difference is that the laser on the vision of good monochromaticity, LED to a wider spectrum a few, suitable for display, lighting, etc. In addition, the brightness of the two can‘t be compared, because the laser is straight line and has a strong direction. if you don‘t deal with it, it will be much brighter than the LED. The laser is not yet mature for RGB vision, it is only in the state of the laboratory. Laser projection and laser TV are currently only a concept. 
 
Nakamura to fix two once described the merits of the laser lighting and LED lighting to make comparison, he thinks, laser illumination light emitting area is smaller, higher luminous efficiency, sensory easier to focus and further irradiation distance, can be widely used in automobile headlights and other areas. The world‘s best-known car brands, such as BMW and Audi, are making efforts to apply the technology to new products in automotive lighting applications. At the same time, laser lighting is a "point light source" and the future is expected to be set up with the optical fiber technology, which can lead to more promising applications. 
 
About in the next 10 years laser lighting will replace the LED lighting this kind of problem, anecdotal discussions have different opinions, based on the laser lighting a smaller, more compact structure, the projection distance etc, the personage inside course of study thinks, in some areas is likely to replace the LED lighting, such as light and display technology. In the field of general lighting, someone has expressed doubt that laser lighting will replace LED lighting in a decade. However, the development trend of any kind of innovative technology deserves the attention. 
 
Let‘s take a look at the application of lights. According to the test, the advantages of laser as can control the direction of the laser beam through a lens, realize the flexible lighting, can have directivity of exposure to the front, twice the distance is LED high beam. In early January 2014, the opening of the United States at the consumer electronics show in Las Vegas, audi has issued SportLaserlightconcept concept car, which is audi‘s first pick up the models of laser headlight, augur well for the audi laser lamps are put into use. 
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