The six basic points that should be known when entering LED grow Lighting Industry. 

1 what is the biggest difficulty? 

LED grow light is the product of the interdisciplinary and organic development of biology, facility horticulture, vegetable science, plant physiology, plant nutrition, biological environmental engineering, LED lighting, intelligent control technology and so on. Therefore, it is not enough to only be good at semiconductors, plants, intelligent systems or both. Full collaboration and cross-research applications are very important. The biggest difficulty in entering the LED grow light market is to develop and produce high-yield and high-quality ecological LED plant light sources or lamps, so it is necessary to solve the problem of how to integrate and integrate the intelligent regulation of light environment, plant photobiology and LED semiconductor technology at the same time. 

2 what does plant photobiology refer to? 

The study of plant photobiology is an important basis for LED plant lighting, including the quantitative properties of light environment (light intensity and photoperiod), quality properties (light quality and spectrum), electroluminescent properties (duty cycle, frequency) and so on. Plant photobiology has high complexity and systematicness. 

Light quality refers to the type of light quality that has an effect on organisms, including visible light, UV and far red light. In terms of photoqualitative biology, we need to be clear about the following problems: 

First, the biological function of light quality, to study the physiological metabolism, molecular biology and proteomic mechanism of the effects of single light quality and compound light quality on plant growth, yield and quality. 

Second, the mechanism of light quality adaptability and utilization difference among plant species and varieties. 

Third, the biological mechanism of the interaction between light quality and other environmental factors. 

Fourth, the effective threshold and reference value of the light quality quantity attribute of lighting facilities. 

In addition, the response mechanism of photosynthetic efficiency under low light, strong light and continuous light also needs to be studied. 

3. Why are the lighting formulations of the same plant different in different enterprises? 

The establishment of lighting formula for the growth and development of various plants, high quality and high yield is the basis for the development of LED plant lighting industry. 

The light formula is a parameter set of light quality and quantitative attributes needed for each stage of plant species and variety growth and development according to the goal of high quality and high yield.The suitable light formula for each plant and different growth stages is different. 

The lighting formulations for the same plant in different enterprises will be different, even very different, which is mainly related to the plant growth goals of the enterprises. To put it simply, according to the market demand and the needs of their own development, enterprises can reduce their requirements. If they only need to exceed the minimum light formula requirements for plant growth, and relax the requirements for other environments for biological growth, not only the lighting formula will be different, but also the environmental control system will be very different. 

On the contrary, enterprises can also be strict requirements, as far as possible to create the best growth environment and conditions for plants, so that the research and development of the lighting formula is good. In the future, with the introduction of relevant standards and requirements in the field of LED plant lighting in China, the lighting formula will be gradually unified or maintain the consistency of the basic conditions. 

4 .what principles should be paid attention to in the R & D and production of LED grow light sources and lamps and lanterns? 

LED plant growth light sources and lamps are the core of LED plant lighting industry. Enterprises need to develop light sources and lamps for plant growth according to the lighting formula. 

The following four principles should be noted: 

First, according to the principle of high light energy utilization, we should formulate reasonable spectral components to maximize the luminous efficiency of the LED light source, reduce the distance between the light source and the irradiated plant, reduce the light loss, and improve the light energy utilization efficiency. 

Second, the principle of low cost, cost is one of the most important factors that determine the development of LED plant lighting industrialization. 

Third, the principle of ecological security is to add a small amount or a small amount of green light to the red and blue spectrum to improve visual health. 

Fourth, give priority to the development of high value-added plant-specific LED light sources and lamps. 

5. what is the control of the plant light environment and what aspects does it include? 

The light environment control aims at high quality and high yield, based on the plant species cultivated in each production system and the light formula at each stage of variety growth, and directly controls and switches the space-time management of light environment parameters by computer. 

For example, greenhouse light supplement needs to consider natural light diurnal variation parameters, environmental parameters, plant photosynthetic physiological parameters, plant growth stages and lamp properties, and implement economical and effective light supplement methods to meet the needs of light intensity, light quality and photoperiod, energy saving and high efficiency. 

Plant light environment control mainly refers to the control of light quality, light intensity, photoperiod, spatial position and movement rate of LED lamps and lanterns. Light environment control has obvious time and space characteristics, so it is very important to establish dynamic real-time control. It is a general trend to realize the automation and intelligence of LED plant lighting environment control. 

6. What are the main indicators and performance of LED grow light design? 

LED grow light designers need to pay attention to the following indicators and performance: 1. The uniformity of light; 2. The rationality of light quality combination; 3. The reliability of heat dissipation; the suitability of 4.LED chip power; 5. The high efficiency of luminous surface; 6. Visual comfort.

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