Professor Yun Feng returned: creating a new era of the third generation semiconductor lighting chip technology

"If the Chinese 1/3 lighting to replace LED semiconductor lighting, power generation per year can save one of the Three Gorges project." Hanging on the office wall board, 51 year old Xi'an Jiao Tong University School of electronic and Information Engineering Professor Yunfeng while writing and drawing, while told reporters.

"Always want what to do for the motherland, I will put the rest of my life dedicated here." 7 years ago, academic accumulation and core technology of Yunfeng with their years of returning from the United states. In recent years, he and his team for the first time in the world to solve the vertical structure of LED technology and industrialization, creating a new era of the third generation semiconductor lighting chip technology, but also fills up the blank in the field of technology.

Yunfeng (left two) under the guidance of scientific research

Who is the call of the soul

In 2005, Yunfeng employed by the Massachusetts Institute of Technology founded the high-tech company, served as chief engineer device. "I want to put their own expertise and accumulate all contribute to nurture my motherland. The fate of individuals only with the fate of the nation are closely linked, can realize the real value." Yunfeng countless times with the idea of returning.

In August 2010, as in the United States Yunfeng company's duty, returned to his hometown of Xi'an, then selected the national people plan distinguished experts ".

Yunfeng earlier in the United States and Japan for many years of scientific research work, undertake the major project of wide band gap semiconductor materials and devices a number of international level, with core technology and intellectual property rights, has made great achievements in basic research of GaN and optoelectronics, was first proposed in the international buried AlGaN layer assisted laser sapphire stripping structure and manufacturing method, is internationally renowned semiconductor optoelectronic experts.

Although many years later, but on 2011 the Central Party School in Yunfeng or special training to remember the scene, "when the leaders talked about" the motherland needs you, welcome you to the motherland, the motherland hope you "," a lot of people plan to present scholars' eyes are moist. This is our return to countless students, but also to our heart."

Technology concept has gradually become reality

Home early, Yunfeng began to establish solid state lighting engineering research center of Xi'an Jiaotong university. Through unremitting efforts, Yunfeng led the team using advanced micro nano manufacturing technology, to solve the large size and high power density LED chip heat dissipation problem, a breakthrough in the core technology, to achieve a major innovation in the field of high-end chip forward-looking technology.

Just a few years time, the team published SCI (Science Citation Index) and more than 50 papers have been accepted and authorized by the international and domestic more than 30 patents and related research and continuous to assume a number of national "863" major projects and national key project. At the same time, the team also focus on promoting a number of industrial technology research and achievement transformation project.

"The third generation of micro nano photonic crystal vertical structure of LED semiconductor lighting materials and chip technology manufactured products, power consumption less than 1/10 of incandescent lamp." By Yunfeng China's "863" hosted by the new material research project has the independent intellectual property rights, several times the light output power of this technology can make the single LED chip provides to the traditional chip or even hundreds of times, at the same time, chip life up to twenty thousand hours or more.

To have a clearer understanding of the semiconductor lighting industry in the west, Yunfeng for semiconductor lighting industry in the west the lack of international competitiveness and anxious: "improve the luminous efficiency and light power density, providing market need cost-effective products, is the power and the inevitable trend of the development of semiconductor lighting technology." At the time of the international companies has achieved mass production, the domestic is still at the stage of research and development, industrialization is still blank.

In the multi joint promotion, China's first with independent intellectual property rights, the first of the third generation semiconductor lighting industry of chip technology high-tech enterprises to achieve mass production in the near future, but also the domestic and foreign technical level of narrow gap LED at least 10 years.

"This is all thanks to the country's talent policy, thanks to the improvement of scientific research and industry environment, there is a career on the stage." Yunfeng said. From the tens of millions of dollars to hundred million yuan level discipline platform, the enterprise platform, then is the development of the whole industry chain has become the leading enterprises one billion yuan level of the industry, the third generation semiconductor lighting chip technology in Shaanxi Road of industrialization from the vision into reality.

"The choice" more dry

"Here not only need the talented person, also provides a broad platform for talent, we have to show the world here, more dry." From the first day, returned into the construction of the platform, Yunfeng put the introduction and cultivation of talents, the formation of a high level of R & D team as its important task.

"Professor Yunfeng to talent from overseas to the west, he is a good example." High level talents Research Center Dr. Li Yufeng Yunfeng is personally imported from the United states.

Two or three people from the beginning to now, from home and abroad more than 30 high level teachers, full-time research staff and postgraduate team, Yunfeng led the rapid growth of the team, R & D work progress more quickly. "Professor Yunfeng encourages us to think independently, learn from each other and jointly improve. Everyone in a happy atmosphere of the team, to fully tap the potential of each person, inspire greater creativity." Research Center Associate Professor Ding Wen said.

It is in this