Gaogong LED Zhang Xiaofei predicts that LED light efficiency will reach 200 lm/w in half a year.

Cree has announced that its white light high-power LED light efficiency has reached 186 lm / W, which is the highest luminous efficiency announced by the industry. According to Zhang Xiaofei, CEO of Gaogong LED, CREE raised the 161 lm/w light efficiency announced at the end of last year to 186 lm/w in less than a year, and increased it by 25 lm/w. This is a very exciting industry. The positive numbers show that CREE is progressing smoothly in improving light efficiency.

    Just last November, US CREE held a press conference in Huizhou to announce the construction of an LED chip factory in Huizhou. At the press conference, a brilliant conversation between Gao Guang LED CEO Zhang Xiaofei and CREE CEO Chuck Swoboda mentioned the topic of when CREE LED light efficiency reached 200 lm/w. Mr. Swoboda told Zhang Xiaofei very modestly that he "considered that CREE will achieve a luminous efficacy of 200 lm/w within one to one and a half years."

    Zhang Xiaofei said that CREE will have no problem in adding 14 lm/w in the next six months. I believe CREE will announce its high-power white LED light efficiency of 200 lm/w within six months. Because 200 lm/w is an iconic number, it represents a significant milestone in LED luminous efficiency. Based on his years of experience with CEOs of US listed companies, CEOs of listed companies generally adopt the most conservative approach to the announcement of key figures.

    The Gaogong LED reporter organized the recording of this dialogue to readers (Mr. Shi Yucan, Managing Director of CREE Hong Kong Co., Ltd.) as a live translator.

After the meeting, Mr. Shi Yucan, Managing Director and CEO of Cree Hong Kong Co., Ltd., Chuck Swoboda, President and CEO of Cree, and Mr. Zhang Xiaofei, CEO of Gaogong LED, Tang Guoqing, General Manager of Cree China Source: Gaogong LED

    Zhang Xiaofei : Before CREE released the world's most efficient LED chip, we believe that CREE will also be in the forefront of the world in the future. How long do you think CREE's chips can achieve 200 lm/W?

Chuck : At present, CREE has achieved 161 lm/W. I think CREE can achieve 200 lm/W after one and a half years. A production chip between 150 and 200 lm/W appears one to one and a half years later.

    Zhang Xiaofei : We usually say that the efficiency of the chip is about 15 lm/W per year. In this case, will CREE go faster than other companies?

Chuck : Light efficiency is not necessarily the most important factor. Current density per unit area and price are also important factors. How to make the chip still perform high efficiency at very high current is also very important. We also discussed this concept at a seminar in Shenzhen a few weeks ago. At present, how many lumens per watt does not represent all. If it is 180 lm/W, it is already very efficient, but we still have other problems such as power supply and optics to solve.

    Zhang Xiaofei : At present, there are already 50 or 60 LED chip companies in China. What impact do you think CREE will have on them? We know that Nichia also claims to enter China. What kind of strategic considerations does CREE enter into China?

    Chuck : I will answer the second question first. CREE decided to move the chip factory to China. It was decided three years ago. It was not decided today. We are different from other companies. We are not coming to China to create a US company. When we acquired Huagang two years ago, we did not turn Huagang into a US company. Now it is still a Chinese company. At present, more than half of CREE employees work in China. As the project progresses, more talents will join the company in the future. We will move the best products with the highest efficiency products to China. We see China as an important platform and market.

    For the first question, the LED industry now faces many challenges. CREE's entry into China will raise the benchmark for Chinese LED chips and improve the overall quality of Chinese LED chips.

    Zhang Xiaofei : What is the difference between the system efficiency of CREE lamps and Osram and Philips? What kind of situation will arise in the competition between LED companies?

    Chuck : CREE has also built some LED luminaires. The current system efficiency is 100 lm/W, and the efficiency of LED light sources is 130 lm/W (production). We are ahead of Lumileds in both respects.

    The main problem facing LED companies is not the competition between who and who, but the competition with traditional lighting. LED companies should compete with traditional lighting, and there is still a very large market in this industry that has not yet been developed.

    Zhang Xiaofei : Many people say that the life of LED lamps is affected by many factors, such as power supply life, so the life of the whole lamp is very difficult to achieve, how do you think?

Chuck : CREE's LED luminaires have been tested for three years. Now, it is estimated that the lamp life can reach 120,000 hours. The idea that LEDs can't make long-life lamps is wrong. A luminaire is a system that must be a good system at the beginning. This is not a part problem, but an overall problem.

Zhang Xiaofei : Gaogong LED found in the industry survey that CREE has a considerable market share in the domestic chip market. CREE has established a very good brand, what kind of measures will CREE have in the market promotion in the future? Will CREE lamps enter the domestic retail market or channels? Will it increase the output and variety of lamps?

Chuck : Our biggest competitor is the traditional light source company. Our focus is not to spend more money on advertising, but to make great efforts to make after-sales support and let the customers do the lighting.

    I wonder if CREE will enter the Chinese lighting market. The lighting market is a very fragmented market, and different countries have different standards and different living habits. No company can do global LED lighting promotion.

    Why does CREE have to do some lighting? The reason is that CREE has a very good light source, but few people can use it well. We prove it to the industry through our own luminaires. As long as we do design and development, we can do LED lamps. It is our aim to guide thousands of lighting companies to become our customers.

    CREE is a professional light source company. We want to see computer products like their customers say "Intel Inside", saying that their fixtures are "CREE Inside" because the CREE light source increases the value of the fixture. 

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