Did the laser light replace the LED light in ten years?

Energy-saving lamps, color-screen mobile phones, large-screen full-color displays... These technologies have long been integrated into our lives. The foundation is actually the blue-light diodes invented by the Japanese-American scientist Nakamura Shuji in the 1990s. He was therefore labeled as “21”. Century Edison, won the 2014 Nobel Prize in Physics.

The 62-year-old Japanese physicist Nakamura Shuji appeared in the guest visit area of the Chengdu Chuanghui Fair. He predicted that within 10 years, laser lighting technology will replace the existing LED lights, and it is recommended that companies do unique products that are not identical, reducing competition pressure.

Laser light replaces LED lights in ten years

The blue light diode invented by Nakamura Shuji has been widely used in our daily lives. But the blue laser at the forefront of technology is only used in disc recording, which is the familiar "Blu-ray disc". Nakamura Shuji introduced, "Blue laser can also be used in many aspects such as medical treatment and detection. For example, blue laser can detect DNA for the benefit of human beings." In addition, there is already blue laser illumination, and one light can be illuminated. Bright range of one hundred square meters. However, because of the high cost, it has not been widely used. Within ten years, laser lighting should replace LED lights.

Unique is the key to survival of start-ups

Talking about the impression of Chengdu, Nakamura said, "The biggest change in Chengdu in recent years is that more and more young people are joining the tide of entrepreneurship, which is worth learning from young people in Japan. In Japan, After graduating from young people, they want to go to work in big companies and lack entrepreneurial awareness. The young people in Chengdu are willing to try and be willing to create their own company. This is the mental outlook that young people should have."

Nakamura Shuji shared his own research story. In the 1980s, red and green diodes were developed, and only a high-efficiency blue-light diode was used to obtain a white diode source that could be used for illumination. However, most researchers at the time chose zinc oxide and zinc selenide as luminescent materials. However, Nakamura chose another material, gallium nitride. "If everyone goes to the right, you can change your mind and take the risk of trying to get to the left of a handful of people. Maybe you will have something new."

He also suggested that new and innovative companies, unique products that are not identical, can reduce the pressure of competition and survive in the market.

Joined hands to study blue lasers in Chengdu

In March of this year, Nakamura made a special trip to Rong, and went to university lectures to encourage students to focus on scientific research. He is also an honorary professor of Electronic Science and Technology University, and is expected to cooperate with the Institute's Foundation and Frontier Research Institute to conduct research and development in the field of blue laser.

Wang Zhiming, dean of the Institute of Basic and Frontier Studies at the University of Electronic Science and Technology, said that he hopes that Nakamura will lead the front-line team to conduct blue laser research and train a group of academic talents. The school is willing to establish relevant research institutes, form teams, introduce new people, and even cooperate with enterprises to cultivate new technology products.

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