As soon as the news came out, companies or experts and scholars in the entire LED industry felt extremely proud of this. There are so many inventions in the world. What kind of charm does blue-light LED win the Nobel Prize in Physics? Even the winner of the award, Shuji Nakamura, told reporters: "This is simply unbelievable."
Although the development time of blue LED is only a short 20 years, its impact on mankind is increasing day by day, causing changes in lighting life. In the award speech, the Nobel Prize Committee also stated: "Incandescent lamps illuminated the 20th century, and LED lamps will illuminate the 21st century. These three scientists derived blue light beams through semiconductors in the early 1990s, but they brought fundamental changes to the development of the field of lighting." This may indicate that the Nobel Prize in Physics in recent years seems to be increasingly favoring applied research that can bring huge changes to human life.
Wang Haibo, vice chairman of the China Lighting Appliances Association and director of the Institute of Electro-Light Source Materials of Nanjing University of Technology, told reporters in an interview: "There is a passage in the Nobel Prize speech: Physics can be so close to people's lives. This is how I understand this sentence. In the past, everyone thought physics was very abstract, but there is something closely related to life, connected with the 'qi of the earth'."
"Blue LED truly embodies the criteria of the Nobel Prize judges: profound changes to human society, changing the theory of understanding the world, or practical applications that change life are the key factors for winning the award." Qi Xiaoming, CTO of Opple Lighting, told reporters.
"Although blue LED does not sound so mysterious or fancy, it is an achievement that can have a great impact on human society." said Ji Xiangdong, professor of the Department of Physics at Shanghai Jiao Tong University.
Sir Colin Humphreys, a professor at the University of Cambridge in the UK who is also committed to researching gallium nitride technology, pointed out: "This is a great achievement. This is not only good science but also useful science. It has greatly changed the way of energy saving and electricity saving. Some of the Nobel Prize-winning inventions in recent years may take several years to better apply science to practice."
Professor Ian Walmsley, a physicist at the University of Oxford in the United Kingdom, said that the Nobel Prize jury made a "remarkable choice." "These ideas originate from some important basic science developed over many years. This technology will make certain new devices possible, and they will have a huge impact on society, especially displays and imaging." It should be said that before the invention of LED blue light chips, white light could not be specifically applied to the lighting field. The emergence of blue light has enabled LEDs to truly enter the stage of large-scale application in homes, roads, outdoors, and landscapes. It has overturned the era of incandescent lamps and energy-saving lamps. The world has reduced carbon emissions, saved energy, and is more conducive to environmental protection. This is a very remarkable achievement. It has truly lived up to the claims of the Nobel Prize and made outstanding contributions.
Chen Yansheng, Vice Chairman of the China Lighting Electrical Appliances Association, affirmed the contributions of these three inventors to mankind, "They mainly conducted research 20 years ago and succeeded 20 years ago. The success of blue LED has benefited mankind. Now LED lighting has emerged around the world. It has made a great contribution to human civilization and lighting. Very huge, I think they deserve the award. ”
Development trend: the impact of the rapid development of the LED industry
With the acceleration of the elimination of incandescent lamps and the imminent end of the energy-saving lamp subsidy policy, LED lighting products are gradually becoming popular and fully replacing traditional lighting products. It is this development background that makes LED's impact on human life more profound, and the role of LED on people has increasingly attracted global attention.
Qi Xiaoming, CTO of Opple Lighting Co., Ltd., said frankly in an interview with reporters that in addition to the well-known importance of white light produced by blue LEDs in the industry and the expectations of energy saving and emission reduction brought about by its high efficiency, I think the most important thing is that the industrial process is much faster than early assumptions, making a variety of LED applications have greatly changed human life in just a dozen years, such as the application promotion of LED lighting in recent years (from outdoor lighting to energy-saving replacement), and the application of LED as backlight, etc.
Professor Wen Shangsheng of South China University of Technology also said that "blue LED" won the Nobel Prize this time, largely due to the booming LED lighting industry, and the scientific community has gradually realized the significance of the invention of "blue LED". Some netizens left messages on social media jokingly saying that this time "blue LED" won the Nobel Prize, the Chinese LED industry should be the fourth person to win the award.
Inventor: Perseverance and not taking the usual path
On the 7th, when it was announced that the three inventors of blue light LED won the Nobel Prize in Physics, Professor Zheng Lirong, Dean of the School of Information at Fudan University, immediately sent congratulations to Professor Shuji Nakamura. He said, "The biggest feature of Professor Nakamura's award-winning work is that he has both academic and industrial experience, and his persistence in applying theory to technology to achieve application. This is probably the biggest reason for him to win the award." Professor Chen Liangyao, who has been engaged in optical device research at Fudan University for a long time, said: "Shuji Nakamura was researching blue light diodes in the company. He personally transformed the MOCVD long film and had a deep understanding of the long film mechanism. The quality of the GaN films made by others was very poor, and many people gave up. What he made was good, and he succeeded little by little. This can not but be said to be a technological breakthrough for him."
Another winner, Isamu Akasaki, also emphasized in an interview that the perseverance of the research team is the secret to success. He admitted that many people had told him before that his research would not yield results by the end of the 20th century, "but I never thought so. I just kept doing what I hoped to do."
CREE China CTO Dr. Shao Jiaping also said that in short, don’t think that they have done something awesome out of inspiration. The fact is that they persisted in doing research (calculated in more than ten years), and they were very smart, and only with good luck did they achieve great results.
Find another way in the field that everyone "abandons", and work unremittingly, and "those who are determined" will eventually reap the fruits of success. Professor Per Delsing from Chalmers University of Technology in Sweden, chairman of the Nobel Prize Committee, emphasized the persistence and perseverance of the winners. "What's interesting is that a lot of big companies have tried to do this and failed," Delsin said. "But these scientists persisted in repeated experiments and finally succeeded."
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