Guo Wenjun: "Yes and No" under the LED

Under the background of low-carbon economy, energy conservation and environmental protection, the Chinese government has vigorously promoted the development of LED energy-saving lighting industry, the promotion of national policies and the trend of market rules, making the development prospects of LED lighting industry optimistic. Driven by huge potential benefits, many companies have formulated industrial development policies to promote the rapid growth of the LED lighting industry. Recently, Guo Wenjun, director and chief engineer of the Lighting Planning Office of the Urban Planning Institute of China Urban Construction Research Institute, expressed his views and views on the development of the increasingly hot LED lighting industry in recent years.

Improve people's lives with meaningful lighting innovation

As far as I think, this topic has always been and is being done. Different environments require different lighting environments, but the same purpose is comfort and health. This topic may be changed to "improve the combination of technology and lighting to enhance people's quality of life." The progress of lighting has been innovating for more than 100 years. At this stage, more technologies and methods have been applied to life. In the 1980s, there would be no intelligent control of lighting. Don't limit yourself to lighting here, and more ways will be combined with lighting to improve. Like today's intelligent control systems, stage lighting, computer software systems and intelligent control lighting, you can control light and color in your mobile phone, not just lighting innovation. Many manufacturers have introduced me in the near future, their products can be color temperature, most of them are from 2800K-5000K, and I have already seen the light source module that can color temperature from 1700K-4500K, which can bring people From the light environment that enjoys candlelight dinner to the modern office environment. Isn't this lighting to improve people's quality of life?

LED lighting has replaced traditional lighting?

Traditional lighting and LED lighting have never been in conflict. In the United States, Germany, Japan and other countries I visited, there is no such saying, because the means of artificial intelligence lighting is always to improve people's living water, without natural light or Enjoy the comfort of artificial intelligence lighting when the clouds are dense. LED is just called the fourth-generation light source. It is a high-tech like PC, which exists to improve people's quality of life. What our lighting practitioners need is how to apply her scientifically and reasonably. So we can't talk about what to replace. The incandescent lamp has been invented for so many years. We are not using him. In the future, there will be incandescent lamps and halogen lamps in some places. We don’t have to think about substitution, science is step by step. Progress and development.

About the technical problems of LED lighting that everyone cares about

The COB source package is more like a "surface-like source" than a single-source package. She is better able to facilitate secondary or tertiary optical design without tangling the overall luminaire performance. What's more important is how much useful light is shining on the object being illuminated. The shadow COB source of the object is clearer than the single-crystal package or combined lamp, and the spot is free of noise and noise.

The lens controls the glare better than the reflector. Don't let extra light shine directly into the human eye, causing problems for people's health. There are suitable means to control the light loss rate.

The packaging process and material improvement and improvement of the light source can improve the reduction of the light source area, the reduction of the thermal resistance, the smaller color tolerance, and the elimination of the color floating phenomenon. Thereby changing the heat dissipation mode and volume of the lamp. If you want to cure the disease, there will be no problems such as lobby lighting, high pole lighting, and what can't replace the halogen lamp from 70W to 300W (to modify the original lamp hole size specification). In this way, the overall lighting problem of the Capital Airport T3 terminal can be solved.

Don't always ask questions based on surface phenomena, such as "blue light hazard", color decay color drift and other issues, still entangled in that. Quantum dot illumination technology and phosphor process control can effectively solve these light source problems.

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