With the continuous development of modern agriculture, the demand and energy consumption of plant lighting is constantly expanding, and new challenges are also raised for traditional plant lighting technology. As a new generation of light source, LED is not only environmentally friendly and energy-saving, but also has the characteristics of adjustable light quantity, adjustable light quality, low cooling load and the possibility of increasing the cultivation amount per unit area. It is a very suitable artificial light source for closed agricultural production environments, such as plant tissue culture rooms.
Under the influence of the objective environment with fierce competition in the general lighting market and increasingly prominent environmental health problems, plant lighting applications have gradually become one of the directions of LED development. Lighting giants have already begun to deploy LED plant lighting business. Following the establishment of the plant lighting factory by Philips LED, companies such as OSRAM and Everlight have also taken action in this field. In addition, many domestic companies have also set foot in the market. Recently, Guangmingyuan's subsidiary, Green Love, opened the largest plant factory in South China, developing and producing plant growth lamps with different needs; Qinshang Optoelectronics also launched intelligent new products with plant lighting functions. It can be seen that the development of LED plant lighting has broad market prospects.
As a special type of semiconductor material, the wavelength of light emitted by the LED can range from ultraviolet C (~250 nm) to infrared (~1000 nm), and the wavelength range of light emitted by each LED can be narrow. Thus, it is a very efficient plant illumination source with true spectrum control capabilities.
Unlike metal halide light sources, fluorescent lamps, and high pressure sodium lamps, the solid state lighting systems used in LEDs have some unique advantages. They are not only light in weight, small in size, long in service life, but also have the advantages of controllable wavelength and spectral composition, narrow bandwidth, low luminous surface temperature, low heat generation, high brightness, low radiation and high efficiency. In addition, LEDs also have the characteristics of spectral control. With the continuous advancement of technology and the continuous improvement of the technological level, the spectral control of LEDs will be more flexible in the future, and the manufacturing and use costs will be lower and lower, and its superiority will be more fully reflected.
These advantages also make LEDs gradually replace the status of traditional lighting sources. In plant lighting, LEDs can match the appropriate range of light waves to the plant's light receiver and affect the shape and composition of the plant. For plants grown in a controlled environment, the superiority of LEDs also makes them the preferred source of light.
It is understood that the global LED application plant lighting output value has started to show rapid growth since 2013. The preliminary statistics reached US$100 million in 2014 and is expected to reach US$500 million in 2017. With the increase in the penetration rate of global LED application agricultural lighting, the Chinese market is slowly emerging, and the future market prospect is broad.
The new blue ocean of LED plant lighting has also attracted the development of a large number of international giants. After the establishment of plant lighting factory by Philips LED, international giants such as Osram, Mitsubishi, GE and Siemens have also made some moves in this field; Taiwan factory Yiguang is also early There is involvement, and with the rise of Taiwan’s agricultural gold boom, there are reports that “Taiwan’s technology giants Hon Hai, Delta, Jinrenbao Group, Xinxing Electronics and the old Datong Group have also started to grow vegetables across the lineâ€; In terms of manufacturers, Qinshang Optoelectronics, Hongli Optoelectronics, and Guangmingyuan have been conducting research and development of related products.
When it comes to plant lighting, most of the accompanying words are “foregroundâ€, “money scene†and “futureâ€. However, what problems exist in the current development of plant lighting? At present, the development of domestic plant lighting is slow, and the market development space is still limited. Domestic LED plant lighting is also facing the problems of lack of comprehensive talents, high cost investment, lack of patents, and low output rate of enterprises. When the development of plant lighting in China enters the fast lane is still a problem.
As an emerging market, plant lighting has a low market penetration rate. Compared with the output value of hundreds of billions of ordinary lighting, it can only be described as “a small houseâ€. At present, the sales market of LED plant lights in China is mainly concentrated in countries and regions with less agricultural personnel such as Japan, South Korea, Central America and Europe.
It is understood that plant lighting is mainly used in three areas of plant factories, plant landscapes and breeding lighting. At present, the most important market for plant lighting is the plant factory. It is reported that American scientists plan to build a plant factory skyscraper. It is said that this plant factory building can meet the needs of millions of people with only five buildings. It is incredible.
Although the potential of the breeding lighting market is huge, the market has not been developed. Breeding lighting mainly uses LED fluorescent tubes, but the biggest difficulty in promotion is the change in cognition.
It is understood that in addition to Philips, Osram, Mitsubishi, Yiguang and other international lighting manufacturers are still concerned about this market, most small and medium-sized lighting companies in China rarely get involved. At the same time, at this stage, the investment and output of plant lighting are not directly proportional, which also makes a large number of enterprises in this market segment “hurry to closeâ€. It is understood that Mitsubishi's investment in LED plant lighting is about 10 times that of ordinary plant lighting, but the price of such vegetables on the market is four times that of ordinary vegetables.
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